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Cheap flights from Northern Ireland to District of Columbia from £537

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — IAD
11 Sep — 18 Sep1
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 12 August 2026.

Fri 4/906:05 -
2 stops21h 10m
Tue 8/920:30 -
2 stops19h 35m
Deal found 7/8£537
Fri 4/907:00 -
2 stops20h 15m
Tue 8/920:30 -
2 stops16h 20m
Deal found 7/8£558
Thu 24/906:10 -
2 stops18h 25m
Thu 1/1021:45 -
2 stops16h 35m
Deal found 10/8£586
Sun 20/921:10 -
2 stops29h 14m
Sun 27/923:20 -
2 stops16h 40m
Deal found 7/8£652
Fri 4/909:35 -
1 stop12h 50m
Tue 8/917:45 -
1 stop12h 00m
Deal found 7/8£657
Sun 6/907:00 -
3 stops36h 22m
Sun 13/920:30 -
2 stops19h 35m
Deal found 9/8£663
Thu 24/916:00 -
2 stops30h 00m
Thu 1/1020:20 -
2 stops19h 45m
Deal found 10/8£663
Sun 6/907:00 -
3 stops37h 55m
Sun 13/920:30 -
2 stops20h 00m
Deal found 9/8£672
Fri 4/909:50 -
1 stop10h 45m
Tue 8/911:10 -
2 stops17h 10m
Deal found 7/8£672
Sun 6/909:45 -
1 stop10h 50m
Sun 13/917:30 -
1 stop10h 50m
Deal found 9/8£673
Thu 24/909:50 -
1 stop10h 45m
Thu 1/1011:10 -
2 stops17h 10m
Deal found 10/8£674
Fri 4/909:50 -
2 stops17h 15m
Tue 8/919:25 -
2 stops16h 30m
Deal found 7/8£676

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 12 August 2026.

Round-trip from

£537
4/9-8/9
  • 4/9-8/9
  • 4 total stops
  • 40h 45m 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 12 August 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 Belfast Intl - IAD Washington, D.C. Dulles Intl

BFSIAD

Belfast Intl

Fri 4/9

06:05-22:15

2 stops21h 10m

Washington, D.C. Dulles Intl

Tue 8/9

20:30-21:05

2 stops19h 35m

£537

BelfastWashington, D.C.

BFS Belfast Intl - IAD Washington, D.C. Dulles Intl

BFSIAD

Belfast Intl

Thu 24/9

06:10-19:35

2 stops18h 25m

Washington, D.C. Dulles Intl

Thu 1/10

21:45-19:20

2 stops16h 35m

£586

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Fri 4/9

09:35-17:25

1 stop12h 50m

Washington, D.C. Dulles Intl

Tue 8/9

17:45-10:45

1 stop12h 00m

£657

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 24/9

16:00-17:00

2 stops30h 00m

Washington, D.C. Dulles Intl

Thu 1/10

20:20-21:05

2 stops19h 45m

£663

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Fri 4/9

09:50-15:35

1 stop10h 45m

Washington, D.C. Dulles Intl

Tue 8/9

11:10-09:20

2 stops17h 10m

£672
Fastest return journey

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Sun 6/9

09:45-15:35

1 stop10h 50m

Washington, D.C. Dulles Intl

Sun 13/9

17:30-09:20

1 stop10h 50m

£673

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 24/9

17:30-15:35

1 stop27h 05m

Washington, D.C. Dulles Intl

Thu 1/10

17:30-16:55

1 stop18h 25m

£673

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 24/9

09:50-15:35

1 stop10h 45m

Washington, D.C. Dulles Intl

Thu 1/10

11:10-09:20

2 stops17h 10m

£674

BelfastWashington, D.C.

BHD Belfast City - DCA Washington, D.C. Reagan-National

BHDDCA

Belfast City

Fri 4/9

09:50-22:05

2 stops17h 15m

Washington, D.C. Reagan-National

Tue 8/9

19:25-16:55

2 stops16h 30m

£676

BelfastWashington, D.C.

BHD Belfast City - DCA Washington, D.C. Reagan-National

BHDDCA

Belfast City

Sun 6/9

09:45-22:59

2 stops18h 14m

Washington, D.C. Reagan-National

Sun 13/9

11:10-09:20

2 stops17h 10m

£678

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 21 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 10h 45m. The distance from Northern Ireland to District of Columbia is about 3390 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

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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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