Cheap flights from Dublin to Washington, D.C. from £219
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 22/10. 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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Delta flights from Dublin to Washington, D.C.
Our best Delta deals on Dublin to Washington, D.C. flight tickets
Lufthansa flights from Dublin to Washington, D.C.
Our best Lufthansa deals on Dublin to Washington, D.C. flight tickets
See travel insights to Washington, D.C. from
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
What is the typical price of a round-trip flight between Dublin and Washington, D.C.?
What is the cheapest month to fly to Washington, D.C.?
The cheapest month to fly to Washington, D.C. from Dublin is in January. Flight prices, which tend to average around £348, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in January, then you should wait until November to fly from Dublin, when ticket prices are also cheap, with an average price of £370.
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 Wednesday. momondo users have found tickets for Wednesday departures for as low as £523. 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 £598.
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 £572. 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 16 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £434 when searching 16 weeks out.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 £364 on momondo.
What cabin class options are available on Dublin to Washington, D.C. flights?
There are 3 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.
What is the cheapest airline that flies from Dublin to Washington, D.C.?
PLAY, Icelandair, and British Airways are the most popular carriers operating from Dublin to Washington, D.C.
Which airlines fly to Washington, D.C.?
Aer Lingus, PLAY and Icelandair 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 47% 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.
How many flights depart from Dublin to Washington, D.C. on average per day?
10 flights are operational daily from Dublin to Washington, D.C. as of May 2025. The most popular departure time for this route is 12:00, with 82% 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 May 2025, there are 73 flights per week flying from Dublin to Washington, D.C.. The most common day of the week flights depart is Mon, with 15% 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 | £228 |
|---|---|
Fastest flight time | 8h 00m |
Direct flights | Every day |
Airports in Washington, D.C. | 3 airports |
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 May 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 Boeing 757-200 (32.00% of total bookings). The next most popular plane models are Airbus A321neo (26.02%), Airbus A330-300 (12.42%), and Airbus A321-100/200 (8.57%).
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 (45% of total bookings). The next most popular airlines are PLAY (21%), Lufthansa (11%), and United Airlines (10%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom £210 | Free Cancellation | Rating 6.9 101 reviews | |||
| PriceFrom £296 | Free Cancellation | Rating 7.0 487 reviews | |||
| PriceFrom £309 | Free Cancellation | Rating 6.6 6,842 reviews | |||
| PriceFrom £322 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom £340 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom £428 | Free Cancellation | Rating 6.7 7,045 reviews |
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 14 flights/week on average for this route. A good United Airlines flight deal for Dublin to Washington, D.C. starts from £431 round-trip, up to an average price of £724. 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 £454 round-trip, depending on your selected dates, with average Aer Lingus deals seen on momondo around £550. Aer Lingus operates 14 flights to Washington, D.C. from Dublin in an average week. Users have rated it 7.0/10 across 1,076 reviews.
Travelling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy 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.