Cheap flights from District of Columbia to Northern Ireland from £319

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BFS
27 Mar — 3 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from District of Columbia to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from District of Columbia to Northern Ireland
Explore the most affordable flight options available from District of Columbia to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 February 2026.

Wed 8/420:30
IAD
-
BFS
2 stops15h 35m
Multiple Airlines
Wed 15/420:15
BFS
-
IAD
3 stops29h 20m
Multiple Airlines
Deal found 22/2£470
Mon 23/319:20
IAD
-
BHD
1 stop11h 20m
British Airways
Mon 30/319:35
BHD
-
IAD
1 stop26h 40m
British Airways
Deal found 23/2£476
Tue 24/319:20
IAD
-
BHD
1 stop11h 10m
British Airways
Tue 31/320:25
BHD
-
IAD
1 stop26h 00m
British Airways
Deal found 22/2£479
Tue 25/821:30
IAD
-
BHD
1 stop12h 50m
British Airways
Tue 1/913:45
BHD
-
IAD
1 stop10h 55m
British Airways
Deal found 21/2£487
Tue 7/417:40
IAD
-
BHD
1 stop10h 20m
British Airways
Wed 15/420:35
BHD
-
IAD
1 stop24h 15m
British Airways
Deal found 21/2£488
Mon 23/216:46
IAD
-
BHD
2 stops16h 29m
American Airlines
Mon 2/306:35
BHD
-
IAD
2 stops18h 55m
American Airlines
Deal found 21/2£489
Thu 30/422:25
IAD
-
BHD
1 stop16h 00m
British Airways
Tue 12/509:40
BHD
-
IAD
1 stop12h 45m
British Airways
Deal found 25/2£495
Thu 19/319:05
IAD
-
BHD
1 stop17h 35m
Multiple Airlines
Thu 26/317:20
BHD
-
IAD
1 stop27h 45m
Multiple Airlines
Deal found 23/2£496
Thu 5/312:24
IAD
-
BHD
2 stops23h 26m
Delta
Thu 12/306:30
BHD
-
IAD
1 stop14h 35m
Delta
Deal found 23/2£499
Tue 7/417:25
DCA
-
BHD
2 stops12h 20m
American Airlines
Wed 15/410:05
BHD
-
DCA
2 stops16h 15m
American Airlines
Deal found 21/2£501
Tue 25/819:59
IAD
-
BHD
2 stops15h 56m
Multiple Airlines
Mon 31/817:30
BHD
-
IAD
1 stop27h 05m
Multiple Airlines
Deal found 21/2£510
Tue 7/420:30
IAD
-
BHD
2 stops14h 30m
Multiple Airlines
Wed 15/407:00
BHD
-
IAD
2 stops17h 20m
Multiple Airlines
Deal found 21/2£515

Find flight deals from District of Columbia to Northern Ireland

Keep the following information in mind while searching for District of Columbia to Northern Ireland flight deals. Data was last updated 25 February 2026.

Round-trip from

£470

One-way from

£319
8/4-15/4
  • 8/4-15/4
  • 5 total stops
  • 44h 55m total
  • District of Columbia to Northern Ireland
Aer Lingus
  • Aer Lingus
  • 7/3
  • 2 total stops
  • 16h 20m total
  • District of Columbia to Northern Ireland

Cheapflights Fare Finder

 
Customise your flight search to find flights from District of Columbia to Northern Ireland 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 25 February 2026.
Use the filters below to find and compare flights from District of Columbia to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 8/4

20:30-17:05

2 stops15h 35m

Belfast Intl

Wed 15/4

20:15-20:35

3 stops29h 20m

£470

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 16/4

22:25-18:45

1 stop15h 20m

Belfast City

Mon 20/4

09:40-17:25

1 stop12h 45m

£496

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 19/3

19:05-16:40

1 stop17h 35m

Belfast City

Thu 26/3

17:20-17:05

1 stop27h 45m

£496

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 23/3

13:19-16:45

2 stops23h 26m

Belfast City

Mon 30/3

09:50-15:35

1 stop10h 45m

£499

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 7/4

17:25-10:45

2 stops12h 20m

Belfast City

Wed 15/4

10:05-21:20

2 stops16h 15m

£501

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 7/4

20:30-16:00

2 stops14h 30m

Belfast City

Wed 15/4

07:00-19:20

2 stops17h 20m

£515

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 16/4

20:30-23:00

3 stops21h 30m

Belfast Intl

Mon 20/4

09:10-15:10

2 stops35h 00m

£519

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 24/3

16:28-10:30

2 stops14h 02m

Belfast City

Tue 31/3

09:40-20:37

2 stops15h 57m

£548

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 2/4

19:15-20:35

1 stop20h 20m

Belfast City

Tue 7/4

20:25-17:25

1 stop26h 00m

£553

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 30/4

17:40-16:55

1 stop18h 15m

Belfast City

Tue 12/5

09:50-00:46

2 stops19h 56m

£597

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 36 resultsSorted by cheapest first
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Best time to book a flight from District of Columbia to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from District of Columbia 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 District of Columbia to Northern Ireland
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 District of Columbia to Northern Ireland. 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 District of Columbia to Northern Ireland?

    A quick flight from District of Columbia to Northern Ireland can take about 12h 20m. British Airways provides one of the quickest options available for as low as £501. The distance from District of Columbia to Northern Ireland 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 District of Columbia to Northern Ireland that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from District of Columbia to Northern Ireland 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 District of Columbia to Northern Ireland

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When you search for this flight from District of Columbia to Northern Ireland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from District of Columbia to Northern Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Northern Ireland from District of Columbia 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 District of Columbia to Northern Ireland become cheaper?

Yes, Cheapflights offers price alerts on District of Columbia to Northern Ireland 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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