Latest deals
FAQs
Price Alerts

Cheap flights from Northern Ireland to Washington, D.C. from £728

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Washington, D.C. departing on 18/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Northern Ireland to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
06:35 - 16:25
BHD
-
DCA
14h 50m
2 stops
British Airways Logo
22:45 - 10:40
DCA
-
BHD
30h 55m
2 stops
£728British Airways
Wed, 18 Feb - Sun, 22 Feb
British Airways Logo
20:00 - 19:55
BHD
-
IAD
28h 55m
1 stop
British Airways Logo
22:45 - 14:15
IAD
-
BHD
11h 30m
1 stop
£733British Airways
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
06:35 - 15:35
BHD
-
IAD
14h 00m
1 stop
British Airways Logo
22:45 - 14:15
IAD
-
BHD
11h 30m
1 stop
£733British Airways
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
11:05 - 18:45
BHD
-
BWI
12h 40m
1 stop
British Airways Logo
12:16 - 10:40
BWI
-
BHD
18h 24m
2 stops
£743British Airways
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
10:40 - 19:55
BHD
-
IAD
14h 15m
1 stop
British Airways Logo
16:46 - 10:40
IAD
-
BHD
13h 54m
2 stops
£743British Airways
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
09:05 - 18:45
BHD
-
BWI
14h 40m
1 stop
British Airways Logo
19:54 - 10:30
BWI
-
BHD
34h 36m
2 stops
£747British Airways
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
06:35 - 17:04
BHD
-
BWI
15h 29m
2 stops
British Airways Logo
12:16 - 10:40
BWI
-
BHD
18h 24m
2 stops
£757British Airways
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
06:35 - 15:35
BHD
-
IAD
14h 00m
1 stop
British Airways Logo
16:46 - 10:40
IAD
-
BHD
13h 54m
2 stops
£758British Airways
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
10:40 - 22:26
BHD
-
BWI
16h 46m
2 stops
British Airways Logo
12:16 - 14:15
BWI
-
BHD
21h 59m
2 stops
£768British Airways
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
09:05 - 19:30
BHD
-
IAD
15h 25m
2 stops
British Airways Logo
16:46 - 10:40
IAD
-
BHD
13h 54m
2 stops
£867British Airways
Thu, 5 Mar - Mon, 9 Mar

British Airways flights from Northern Ireland to Washington, D.C.

Our best British Airways deals on Northern Ireland to Washington, D.C. flight tickets
British Airways
18 Feb
BHD11:25Belfast City
15h 05m
2 stops
DCA21:30Washington, D.C. Reagan-National
22 Feb
DCA22:45Washington, D.C. Reagan-National
30h 55m
2 stops
BHD10:40Belfast City
£728
British Airways
5 Mar
BHD20:00Belfast City
28h 55m
1 stop
IAD19:55Washington, D.C. Dulles Intl
9 Mar
IAD22:45Washington, D.C. Dulles Intl
11h 30m
1 stop
BHD14:15Belfast City
£733
British Airways
5 Mar
BHD17:45Belfast City
26h 50m
1 stop
IAD15:35Washington, D.C. Dulles Intl
9 Mar
IAD22:45Washington, D.C. Dulles Intl
11h 30m
1 stop
BHD14:15Belfast City
£733

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 3 February 2026.
Use the filters below to find and compare flights from Northern Ireland to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 18/2

06:35-16:25

2 stops14h 50m

Washington, D.C. Reagan-National

Sun 22/2

22:45-10:40

2 stops30h 55m

£728

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 5/3

20:00-19:55

1 stop28h 55m

Washington, D.C. Dulles Intl

Mon 9/3

22:45-14:15

1 stop11h 30m

£733

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 5/3

06:35-15:35

1 stop14h 00m

Washington, D.C. Dulles Intl

Mon 9/3

22:45-14:15

1 stop11h 30m

£733

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 5/3

11:05-18:45

1 stop12h 40m

Baltimore/Washington

Mon 9/3

12:16-10:40

2 stops18h 24m

£743

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 5/3

10:40-19:55

1 stop14h 15m

Washington, D.C. Dulles Intl

Mon 9/3

16:46-10:40

2 stops13h 54m

£743

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 5/3

09:05-18:45

1 stop14h 40m

Baltimore/Washington

Mon 9/3

19:54-10:30

2 stops34h 36m

£747

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 5/3

06:35-17:04

2 stops15h 29m

Baltimore/Washington

Mon 9/3

12:16-10:40

2 stops18h 24m

£757

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 5/3

06:35-15:35

1 stop14h 00m

Washington, D.C. Dulles Intl

Mon 9/3

16:46-10:40

2 stops13h 54m

£758

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 5/3

10:40-22:26

2 stops16h 46m

Baltimore/Washington

Mon 9/3

12:16-14:15

2 stops21h 59m

£768

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 5/3

09:05-19:30

2 stops15h 25m

Washington, D.C. Dulles Intl

Mon 9/3

16:46-10:40

2 stops13h 54m

£867

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Northern Ireland to Washington, D.C. flight deals and tips

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

Fastest flight time

12h 40m

Direct flights

None
The fastest flight from Northern Ireland to Washington, D.C. takes 12h 40m
There are no direct flights from Northern Ireland to Washington, D.C.. There are no popular flight routes from Northern Ireland to Washington, D.C..
Search flight deals

  • When did momondo last update prices for flights from Northern Ireland to Washington, D.C.?

    Prices for flights from Northern Ireland to Washington, D.C. are refreshed on a daily basis.

  • How old do you have to be to fly from Northern Ireland to Washington, D.C.?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Northern Ireland 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.

  • How do I get Price Alerts for flights from Northern Ireland to Washington, D.C.?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Northern Ireland from Washington, D.C.. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Northern Ireland to Washington, D.C. with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
College Park
Fairfax
Arlington
Linthicum Heights
Alexandria
Glen Burnie
Lutherville Timonium
Ellicott City
Cambridge
Lexington Park
Westminster
Woodbridge
Bethesda
Rockville
Silver Spring
Owings Mills
Landover
National Harbor

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Northern Ireland to Washington, D.C. for you.

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

momondo does allow users to show only those flights to Washington, D.C. from Northern Ireland which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Northern Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Northern Ireland to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 5/3
Thu 12/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

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

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport