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Cheap flights from Northern Ireland to District of Columbia from £341

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — IAD
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to District of Columbia

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to District of Columbia
Explore the most affordable flight options available from Northern Ireland to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 May 2026.

Sat 26/1211:35
BHD
-
IAD
1 stop13h 20m
British Airways
Sat 2/121:45
IAD
-
BHD
1 stop14h 00m
British Airways
Deal found 10/5£732
Wed 11/1112:25
BHD
-
DCA
2 stops16h 31m
British Airways
Sun 15/1122:15
DCA
-
BHD
2 stops31h 25m
British Airways
Deal found 7/5£741
Fri 22/507:00
BHD
-
IAD
2 stops13h 45m
Aer Lingus
Mon 25/517:15
IAD
-
BHD
2 stops16h 45m
Aer Lingus
Deal found 9/5£741
Tue 23/616:25
BHD
-
IAD
1 stop30h 05m
American Airlines
Tue 11/817:34
IAD
-
BHD
2 stops16h 46m
American Airlines
Deal found 9/5£767
Thu 12/1106:35
BHD
-
DCA
2 stops17h 16m
British Airways
Sun 15/1122:15
DCA
-
BHD
2 stops31h 25m
British Airways
Deal found 7/5£771
Fri 22/508:20
BFS
-
IAD
2 stops16h 05m
Multiple Airlines
Mon 25/517:15
IAD
-
BFS
2 stops13h 00m
Multiple Airlines
Deal found 9/5£771
Wed 11/1106:35
BHD
-
IAD
1 stop18h 20m
British Airways
Sun 15/1118:20
IAD
-
BHD
1 stop14h 35m
British Airways
Deal found 5/5£800
Sat 26/1209:15
BHD
-
DCA
2 stops14h 25m
British Airways
Sat 2/114:35
DCA
-
BHD
2 stops15h 35m
British Airways
Deal found 10/5£848
Tue 23/613:45
BHD
-
DCA
2 stops14h 29m
British Airways
Tue 11/814:59
DCA
-
BHD
2 stops14h 46m
British Airways
Deal found 9/5£858
Tue 23/613:45
BHD
-
DCA
2 stops14h 29m
American Airlines
Tue 11/814:59
DCA
-
BHD
2 stops14h 46m
American Airlines
Deal found 6/5£886
Fri 22/507:00
BHD
-
IAD
3 stops18h 29m
Multiple Airlines
Mon 25/517:15
IAD
-
BHD
2 stops18h 15m
Multiple Airlines
Deal found 9/5£936
Fri 22/508:20
BFS
-
DCA
2 stops14h 53m
Multiple Airlines
Mon 25/518:55
DCA
-
BFS
2 stops15h 40m
Multiple Airlines
Deal found 9/5£1,092

Find flight deals from Northern Ireland to District of Columbia

Keep the following information in mind while searching for Northern Ireland to District of Columbia flight deals. Data was last updated 10 May 2026.

Round-trip from

£741

One-way from

£341
Aer Lingus
  • Aer Lingus
  • 22/5-25/5
  • 4 total stops
  • 30h 30m total
  • Northern Ireland to District of Columbia
Search Deals
24/8
  • 24/8
  • 3 total stops
  • 50h 55m total
  • Northern Ireland to District of Columbia
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to District of Columbia 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, Cheapflights users made 858,174 searches. Data last updated 10 May 2026.
Use the filters below to find and compare flights from Northern Ireland to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 23/6

16:25-20:20

1 stop32h 55m

Washington, D.C. Dulles Intl

Tue 11/8

22:25-17:35

1 stop14h 10m

£767

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 22/5

08:20-19:25

2 stops16h 05m

Washington, D.C. Dulles Intl

Mon 25/5

17:15-11:15

2 stops13h 00m

£771

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 23/6

13:45-23:14

2 stops14h 29m

Washington, D.C. Reagan-National

Tue 11/8

14:59-10:45

2 stops14h 46m

£858

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 23/6

13:45-23:14

2 stops14h 29m

Washington, D.C. Reagan-National

Tue 11/8

14:59-10:45

2 stops14h 46m

£886

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 22/5

07:00-18:13

3 stops16h 13m

Washington, D.C. Reagan-National

Mon 25/5

18:55-20:50

2 stops20h 55m

£902

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Fri 22/5

08:20-18:13

2 stops14h 53m

Washington, D.C. Reagan-National

Mon 25/5

18:55-15:35

2 stops15h 40m

£1,092
Fastest return journey

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Fri 22/5

06:30-15:45

1 stop14h 15m

Washington, D.C. Dulles Intl

Mon 25/5

22:25-17:30

1 stop14h 05m

£1,159

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 23/6

09:50-19:35

2 stops14h 45m

Washington, D.C. Dulles Intl

Tue 11/8

12:29-09:20

2 stops15h 51m

£1,247
Cheapest one-way

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Sun 18/10

07:10-19:00

3 stops40h 50m

£353

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Sun 21/6

22:10-19:00

3 stops49h 50m

£357

Flights are sorted by cheapest return flights first.

Deals found on 9/5

Showing 1-10 of 38 resultsSorted by cheapest first
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Best time to book a flight from Northern Ireland to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Northern Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to District of Columbia
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Northern Ireland to District of Columbia?

    Departing from Northern Ireland to District of Columbia will take you 14h 29m. The distance from Northern Ireland to District of Columbia is about 3378 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Northern Ireland to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to District of Columbia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to District of Columbia.

  • Can I find deals for business class flights from Northern Ireland to District of Columbia?

    Yes. Cheapflights offers flight deals from Northern Ireland to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Northern Ireland to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Northern Ireland to District of Columbia?

Cheapflights makes it easy to find Northern Ireland to District of Columbia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to District of Columbia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Northern Ireland to District of Columbia.

Can Cheapflights find flights from Northern Ireland to District of Columbia with no change fees?

Certainly. Search results for flights to District of Columbia from Northern Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Northern Ireland to District of Columbia become cheaper?

Yes, Cheapflights offers price alerts on Northern Ireland to District of Columbia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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