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Cheap flights from Northern Ireland to District of Columbia from £479

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — IAD
28 Apr — 5 May1
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 29 March 2026.

Wed 24/606:10
BFS
-
IAD
2 stops21h 05m
Multiple Airlines
Sun 28/623:20
IAD
-
BFS
2 stops15h 55m
Multiple Airlines
Deal found 24/3£590
Tue 20/1009:40
BHD
-
IAD
1 stop12h 45m
British Airways
Tue 3/1121:45
IAD
-
BHD
1 stop14h 00m
British Airways
Deal found 26/3£603
Thu 23/420:35
BHD
-
IAD
1 stop24h 20m
British Airways
Mon 27/419:05
IAD
-
BHD
1 stop12h 50m
British Airways
Deal found 25/3£609
Wed 24/607:00
BHD
-
IAD
2 stops20h 15m
Multiple Airlines
Sun 28/623:20
IAD
-
BHD
2 stops16h 15m
Multiple Airlines
Deal found 29/3£617
Thu 3/1211:05
BHD
-
IAD
1 stop33h 30m
British Airways
Mon 7/1214:06
IAD
-
BHD
2 stops19h 09m
British Airways
Deal found 26/3£629
Thu 3/1206:35
BHD
-
DCA
2 stops16h 20m
British Airways
Mon 7/1218:30
DCA
-
BHD
2 stops14h 45m
British Airways
Deal found 26/3£633
Wed 24/610:05
BHD
-
IAD
1 stop15h 15m
British Airways
Sun 28/622:25
IAD
-
BHD
1 stop14h 15m
British Airways
Deal found 29/3£656
Tue 12/508:50
BFS
-
IAD
3 stops40h 45m
Multiple Airlines
Tue 19/515:45
IAD
-
BFS
3 stops19h 35m
Multiple Airlines
Deal found 27/3£719
Wed 24/607:00
BHD
-
DCA
2 stops20h 31m
Multiple Airlines
Sun 28/606:59
DCA
-
BHD
2 stops26h 56m
Multiple Airlines
Deal found 28/3£867
Sun 5/715:50
BHD
-
DCA
2 stops21h 29m
British Airways
Wed 16/1214:54
DCA
-
BHD
2 stops14h 21m
British Airways
Deal found 26/3£935

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 29 March 2026.

Round-trip from

£577

One-way from

£479
24/6-28/6
  • 24/6-28/6
  • 4 total stops
  • 36h 30m total
  • Northern Ireland to District of Columbia
Search Deals
26/7
  • 26/7
  • 3 total stops
  • 36h 05m 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 29 March 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.

BFS - IAD

BFSIAD

Belfast Intl

Wed 24/6

06:10-22:15

2 stops21h 05m

Washington, D.C. Dulles Intl

Sun 28/6

23:20-20:15

2 stops15h 55m

£590

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 23/4

20:35-15:55

1 stop24h 20m

Washington, D.C. Dulles Intl

Mon 27/4

19:05-12:55

1 stop12h 50m

£609

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 24/6

07:00-22:15

2 stops20h 15m

Washington, D.C. Dulles Intl

Sun 28/6

23:20-20:35

2 stops16h 15m

£620
Fastest return journey

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 24/6

10:05-20:20

1 stop15h 15m

Washington, D.C. Dulles Intl

Sun 28/6

22:25-17:40

1 stop14h 15m

£656

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 30/4

06:30-17:15

1 stop15h 45m

Washington, D.C. Dulles Intl

Mon 4/5

15:26-15:30

2 stops19h 04m

£670

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Tue 12/5

08:50-20:35

3 stops40h 45m

Washington, D.C. Dulles Intl

Tue 19/5

15:45-16:20

3 stops19h 35m

£719

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 24/6

07:00-22:31

2 stops20h 31m

Washington, D.C. Reagan-National

Sun 28/6

06:59-14:55

2 stops26h 56m

£867

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 5/7

15:50-08:19

2 stops21h 29m

Washington, D.C. Reagan-National

Wed 16/12

14:54-10:15

2 stops14h 21m

£935
Cheapest one-way

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Sun 26/7

08:25-15:30

3 stops36h 05m

£479
Fastest single journey

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sun 26/7

20:10-15:10

3 stops24h 00m

£588

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 24h 20m. The distance from Northern Ireland to District of Columbia is about 3390 mi.

  • 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

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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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