What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Dublin to Washington, D.C.?

TAP AIR PORTUGAL and British Airways are the most popular carriers operating from Dublin to Washington, D.C.

Which airline has the best punctuality record on Dublin to Washington, D.C. flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

How many flights depart from Dublin to Washington, D.C. on average per day?

12 flights are operational daily from Dublin to Washington, D.C. as of December 2025. The most popular departure time for this route is 12:00, with 100% of flights per day taking off in the afternoon.

How often are flights from Dublin to Washington, D.C. delayed?

Historically, on average around 14% of flights between Dublin and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 152 minutes.

What is the most punctual flight time for Dublin to Washington, D.C. flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

How many flights depart from Dublin to Washington, D.C. on average per week?

As of December 2025, there are 84 flights per week flying from Dublin to Washington, D.C.. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Which airlines fly to Washington, D.C.?

Aer Lingus, Icelandair and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Dublin according to our data. Aer Lingus is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 6 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Dublin Airport to Washington, D.C.?

Prices for flights from Dublin Airport to Washington, D.C. were last updated today.

How many operators does momondo search for flights from Dublin Airport to Washington, D.C.?

As of December 2025, there are 6 operators available to choose from for flights from Dublin Airport to Washington, D.C..

How old do you have to be to fly from Dublin Airport to Washington, D.C.?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£339 Cheap Flights from Dublin to Washington, D.C. in 2025/26

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11:30 - 18:40

DUB

BWI

12h 10m1 stop

19:40 - 10:15

BWI

DUB

9h 35m1 stop

£339Icelandair

Fri, 16 Jan - Tue, 20 Jan

11:30 - 18:40

DUB

BWI

12h 10m1 stop

19:40 - 10:15

BWI

DUB

9h 35m1 stop

£340Icelandair

Fri, 16 Jan - Tue, 20 Jan

11:30 - 18:30

DUB

IAD

12h 00m1 stop

19:40 - 10:15

IAD

DUB

9h 35m1 stop

£340Icelandair

Thu, 15 Jan - Mon, 19 Jan

11:30 - 17:15

DUB

IAD

34h 45m2 stops

21:30 - 18:20

IAD

DUB

16h 50m1 stop

£341Scandinavian Airlines

Wed, 4 Mar - Wed, 11 Mar

19:05 - 17:15

DUB

IAD

27h 10m1 stop

21:30 - 18:20

IAD

DUB

16h 50m1 stop

£344Scandinavian Airlines

Wed, 4 Mar - Wed, 11 Mar

08:50 - 15:35

DUB

IAD

11h 45m1 stop

19:20 - 09:40

IAD

DUB

10h 20m1 stop

£348British Airways

Mon, 2 Mar - Wed, 18 Mar

08:50 - 18:45

DUB

BWI

14h 55m1 stop

20:35 - 19:45

BWI

DUB

18h 10m1 stop

£366British Airways

Thu, 15 Jan - Wed, 21 Jan

10:55 - 19:40

DUB

BWI

13h 45m1 stop

21:30 - 14:40

BWI

DUB

12h 10m1 stop

£368American Airlines

Wed, 13 May - Mon, 25 May

11:30 - 22:04

DUB

DCA

15h 34m2 stops

13:59 - 08:40

DCA

DUB

13h 41m2 stops

£385Multiple Airlines

Mon, 12 Jan - Sun, 25 Jan

11:30 - 22:57

DUB

BWI

16h 27m2 stops

12:16 - 08:40

BWI

DUB

16h 24m2 stops

£387Multiple Airlines

Wed, 4 Mar - Wed, 11 Mar

Scandinavian Airlines flights from Dublin to Washington, D.C.

Our best Scandinavian Airlines deals on Dublin to Washington, D.C. flight tickets

Scandinavian Airlines

4 Mar

DUB11:30Dublin

34h 45m

2 stops

IAD17:15Washington, D.C. Dulles Intl

11 Mar

IAD21:30Washington, D.C. Dulles Intl

16h 50m

1 stop

DUB18:20Dublin

£341

Find similar

Scandinavian Airlines

4 Mar

DUB19:05Dublin

27h 10m

1 stop

IAD17:15Washington, D.C. Dulles Intl

11 Mar

IAD21:30Washington, D.C. Dulles Intl

16h 50m

1 stop

DUB18:20Dublin

£344

Find similar

Scandinavian Airlines

4 Mar

DUB11:30Dublin

34h 45m

2 stops

IAD17:15Washington, D.C. Dulles Intl

11 Mar

IAD21:30Washington, D.C. Dulles Intl

16h 50m

1 stop

DUB18:20Dublin

£347

Find similar

Aer Lingus flights from Dublin to Washington, D.C.

Our best Aer Lingus deals on Dublin to Washington, D.C. flight tickets

Aer Lingus

30 Jan

DUB12:15Dublin

8h 20m

IAD15:35Washington, D.C. Dulles Intl

6 Feb

IAD17:05Washington, D.C. Dulles Intl

6h 50m

DUB04:55Dublin

£370

Find similar

Aer Lingus

2 Mar

DUB16:20Dublin

8h 10m

IAD19:30Washington, D.C. Dulles Intl

18 Mar

IAD18:05Washington, D.C. Dulles Intl

6h 50m

DUB04:55Dublin

£381

Find similar

Aer Lingus

30 Jan

DUB12:15Dublin

8h 20m

IAD15:35Washington, D.C. Dulles Intl

6 Feb

IAD21:45Washington, D.C. Dulles Intl

10h 50m

1 stop

DUB13:35Dublin

£416

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Fly from

Fly to

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Fri 16/1

11:30-18:40

1 stop12h 10m

Baltimore/Washington

Tue 20/1

19:40-10:15

1 stop9h 35m

£339

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Fri 16/1

11:30-18:40

1 stop12h 10m

Baltimore/Washington

Tue 20/1

19:40-10:15

1 stop9h 35m

£340

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 15/1

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 19/1

19:40-10:15

1 stop9h 35m

£340

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 4/3

11:30-17:15

2 stops34h 45m

Washington, D.C. Dulles Intl

Wed 11/3

21:30-18:20

1 stop16h 50m

£341

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 4/3

19:05-17:15

1 stop27h 10m

Washington, D.C. Dulles Intl

Wed 11/3

21:30-18:20

1 stop16h 50m

£344

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 2/3

08:50-15:35

1 stop11h 45m

Washington, D.C. Dulles Intl

Wed 18/3

19:20-09:40

1 stop10h 20m

£348

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Thu 15/1

08:50-18:45

1 stop14h 55m

Baltimore/Washington

Wed 21/1

20:35-19:45

1 stop18h 10m

£366

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 13/5

10:55-19:40

1 stop13h 45m

Baltimore/Washington

Mon 25/5

21:30-14:40

1 stop12h 10m

£368

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 12/1

11:30-22:04

2 stops15h 34m

Washington, D.C. Reagan-National

Sun 25/1

13:59-08:40

2 stops13h 41m

£385

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 4/3

11:30-22:57

2 stops16h 27m

Baltimore/Washington

Wed 11/3

12:16-08:40

2 stops16h 24m

£387

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Dublin to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Washington, D.C.?

The cheapest month to fly to Washington, D.C. from Dublin is in February. Flight prices, which tend to average around £369, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in February, then you should wait until January to fly from Dublin, when ticket prices are also cheap, with an average price of £374.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Dublin is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £558. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £629.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At midday is the cheapest time of day to fly from Dublin to Washington, D.C. when you can find flight prices for as low as £420. Flying to Washington, D.C. at midday is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the morning, with an average ticket price of £592. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Dublin to Washington, D.C. flight route?

Fly from Dublin to Washington, D.C. Dulles Intl for the best Dublin - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £445 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Dublin for as low as £375 on momondo.

What cabin class options are available on Dublin to Washington, D.C. flights?

There are 2 cabin classes available to choose from on Dublin to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dublin to Washington, D.C. flights?

No. A direct flight is the cheapest option for a flight between Dublin to Washington, D.C..

How have Dublin to Washington, D.C. flight prices changed over time?

As of December 2025, prices for Dublin to Washington, D.C. flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Dublin to Washington, D.C. (DUB to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Washington, D.C.

Best price found	£381
Fastest flight time	8h 00m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Dublin in the past 72 hours is £381. The best return flight deal from Dublin to Washington, D.C. found on momondo in the last 72 hours is £530.

The fastest flight from Dublin to Washington, D.C. takes 8h 00m

Direct flights go from Dublin to Washington, D.C. on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airline offering direct flights is Aer Lingus..

There are 2 airports in Washington, D.C.. From Dublin there are direct flights to Washington, D.C. Dulles Intl (IAD).

Search flight deals

How far is Dublin to Washington, D.C. by plane?
Washington, D.C. is 3379.2 mi away from Dublin. In terms of flight time, this usually takes a little over 8h 00m.
When did momondo last update prices for flights from Dublin Airport to Washington, D.C.?
Prices for flights from Dublin Airport to Washington, D.C. were last updated today.
How many operators does momondo search for flights from Dublin Airport to Washington, D.C.?
As of December 2025, there are 6 operators available to choose from for flights from Dublin Airport to Washington, D.C..
How old do you have to be to fly from Dublin Airport to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Dublin to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Dublin to Washington, D.C. is Airbus A321neo (34.00% of total bookings). The next most popular plane models are Boeing 757-200 (26.13%), Airbus A321-100/200 (12.60%), and Airbus A330-300 (9.95%).
What is the most popular airline from Dublin to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Dublin to Washington, D.C. is Aer Lingus (57% of total bookings). The next most popular airlines are PLAY (16%), United Airlines (13%), and Lufthansa (8%).

Best airlines flying from Dublin to Washington, D.C.

Compare and see reviews for airlines that fly from Dublin to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
PLAY	PriceFrom £219	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Icelandair	PriceFrom £280	Free Cancellation	Rating 7.0 591 reviews	Search Icelandair flights
Lufthansa	PriceFrom £297	Free Cancellation	Rating 6.8 7,637 reviews	Search Lufthansa flights
British Airways	PriceFrom £311	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights
United Airlines	PriceFrom £335	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Aer Lingus	PriceFrom £335	Free Cancellation	Rating 7.2 1,399 reviews	Search Aer Lingus flights

United Airlines Flights From Dublin to Washington, D.C.
United Airlines is one of the most popular airlines flying from Dublin to Washington, D.C., operating 7 flights/week on average for this route. A good United Airlines flight deal for Dublin to Washington, D.C. starts from £335 round-trip, up to an average price of £541. Our users have rated United Airlines at 7.4/10.
Aer Lingus Flights From Dublin to Washington, D.C.
Aer Lingus is also a popular choice for this route. Aer Lingus flight deals for Dublin to Washington, D.C. start from as low as £335 round-trip, depending on your selected dates, with average Aer Lingus deals seen on momondo around £447. Aer Lingus operates 14 flights to Washington, D.C. from Dublin in an average week. Users have rated it 7.2/10 across 1,399 reviews.

Laurel

College Park

Alexandria

Fairfax

Arlington

Linthicum Heights

Bethesda

Glen Burnie

Lutherville Timonium

Ellicott City

Cambridge

Westminster

Woodbridge

Silver Spring

Owings Mills

National Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Washington, D.C.?

It is quick and easy to find Dublin to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Dublin to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Dublin on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Dublin to Washington, D.C.?

Once you have performed a search for Dublin to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Dublin to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Dublin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

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Cheap flights from Dublin to Washington, D.C. from £339

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Washington, D.C. departing on 16/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Scandinavian Airlines flights from Dublin to Washington, D.C.

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Our best Aer Lingus deals on Dublin to Washington, D.C. flight tickets

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How to get the cheapest flight ticket from Dublin to Washington, D.C.

What is the cheapest month to fly to Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

What is the cheapest Dublin to Washington, D.C. flight route?

Fly from Dublin to Washington, D.C. Dulles Intl for the best Dublin - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

What cabin class options are available on Dublin to Washington, D.C. flights?

There are 2 cabin classes available to choose from on Dublin to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dublin to Washington, D.C. flights?

No. A direct flight is the cheapest option for a flight between Dublin to Washington, D.C..

How have Dublin to Washington, D.C. flight prices changed over time?

As of December 2025, prices for Dublin to Washington, D.C. flights are approximately 2% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Dublin to Washington, D.C.?

TAP AIR PORTUGAL and British Airways are the most popular carriers operating from Dublin to Washington, D.C.

Which airlines fly to Washington, D.C.?

How often are flights from Dublin to Washington, D.C. delayed?

Historically, on average around 14% of flights between Dublin and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 152 minutes.

What is the most punctual flight time for Dublin to Washington, D.C. flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Dublin to Washington, D.C. flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

How many flights depart from Dublin to Washington, D.C. on average per day?

12 flights are operational daily from Dublin to Washington, D.C. as of December 2025. The most popular departure time for this route is 12:00, with 100% of flights per day taking off in the afternoon.

How many flights depart from Dublin to Washington, D.C. on average per week?

As of December 2025, there are 84 flights per week flying from Dublin to Washington, D.C.. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

When to book flights from Dublin to Washington, D.C.

Cheap Dublin to Washington, D.C. (DUB to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Washington, D.C.

Best price found

Fastest flight time

Direct flights

Airports in Washington, D.C.

How far is Dublin to Washington, D.C. by plane?

When did momondo last update prices for flights from Dublin Airport to Washington, D.C.?

How many operators does momondo search for flights from Dublin Airport to Washington, D.C.?

How old do you have to be to fly from Dublin Airport to Washington, D.C.?

What documentation or ID do you need to fly to Washington, D.C.?

What is the most popular plane model from Dublin to Washington, D.C.?

What is the most popular airline from Dublin to Washington, D.C.?

Best airlines flying from Dublin to Washington, D.C.

Compare and see reviews for airlines that fly from Dublin to Washington, D.C. with momondo

United Airlines Flights From Dublin to Washington, D.C.

Aer Lingus Flights From Dublin to Washington, D.C.

Travelling to a place near Washington, D.C.?

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Washington, D.C.?

Can I find flights from Dublin to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights from Dublin to Washington, D.C.?

I’m not ready to book a flight from Dublin to Washington, D.C. right now. Can momondo alert me if prices change?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.