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Cheap flights from Northern Ireland to District of Columbia from £308

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — IAD
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 11 November 2025.

Round-trip from

£689

One-way from

£308
British Airways
  • British Airways
  • 4/3-11/3
  • 2 total stops
  • 29h 15m total
  • Northern Ireland to District of Columbia
Search Deals
1/12
  • 1/12
  • 3 total stops
  • 53h 00m total
  • Northern Ireland to District of Columbia
Search Deals

Find 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 11 November 2025.

Thu 4/1206:35BHD - DCA
2 stops19h 23mAmerican Airlines
Mon 8/1215:54DCA - BHD
2 stops17h 21mAmerican Airlines
Deal found 8/11£749
Thu 20/1109:05BHD - IAD
1 stop11h 30mAmerican Airlines
Mon 24/1107:59IAD - BHD
2 stops21h 41mAmerican Airlines
Deal found 9/11£962
Mon 10/1108:20BHD - IAD
2 stops16h 10mAer Lingus
Tue 11/1117:05IAD - BHD
2 stops15h 45mAer Lingus
Deal found 9/11£983
Mon 10/1120:55BFS - IAD
2 stops26h 35mMultiple Airlines
Tue 11/1122:20IAD - BFS
1 stop13h 40mMultiple Airlines
Deal found 9/11£1,100
Thu 20/1112:00BHD - IAD
2 stops12h 55mBritish Airways
Mon 24/1121:45IAD - BHD
2 stops13h 35mBritish Airways
Deal found 9/11£1,104
Mon 10/1106:30BHD - IAD
3 stops34h 15mMultiple Airlines
Tue 11/1118:05IAD - BHD
1 stop21h 55mMultiple Airlines
Deal found 9/11£1,113
Mon 10/1106:30BHD - DCA
2 stops15h 30mMultiple Airlines
Tue 11/1117:45DCA - BHD
2 stops39h 30mMultiple Airlines
Deal found 9/11£1,814

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 11 November 2025.
Use the filters below to find and compare flights from Northern Ireland to District of Columbia that are best for you.

Fly from

Northern Ireland

Fly to

District of Columbia

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 4/3

06:35-19:55

1 stop18h 20m

Washington, D.C. Dulles Intl

Wed 11/3

19:20-10:15

1 stop10h 55m

£689

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 4/3

06:30-16:30

2 stops15h 00m

Washington, D.C. Dulles Intl

Wed 11/3

19:59-21:00

2 stops21h 01m

£732

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 4/12

06:35-20:58

2 stops19h 23m

Washington, D.C. Reagan-National

Mon 8/12

15:54-14:15

2 stops17h 21m

£749

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 1/1

21:25-15:35

2 stops23h 10m

Washington, D.C. Dulles Intl

Mon 12/1

17:30-19:05

2 stops20h 35m

£938

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 20/11

09:05-19:55

1 stop15h 50m

Washington, D.C. Dulles Intl

Mon 24/11

21:45-16:05

1 stop13h 20m

£962

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 1/1

06:30-22:50

2 stops21h 20m

Washington, D.C. Reagan-National

Mon 12/1

12:55-16:50

2 stops22h 55m

£1,007

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 1/4

16:05-15:50

1 stop28h 45m

Washington, D.C. Dulles Intl

Sun 5/4

17:40-13:05

1 stop14h 25m

£1,068

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 1/4

11:05-20:20

2 stops14h 15m

Washington, D.C. Dulles Intl

Sun 5/4

17:40-11:30

1 stop12h 50m

£1,089

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 20/11

12:00-19:55

2 stops12h 55m

Washington, D.C. Dulles Intl

Mon 24/11

21:45-16:20

2 stops13h 35m

£1,104

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 1/4

06:30-17:27

2 stops15h 57m

Washington, D.C. Reagan-National

Sun 5/4

17:00-21:20

2 stops23h 20m

£1,271

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 26 results
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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

What is the cheapest time of day to fly from NIR to DC?

Find hourly flight availability from Northern Ireland to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 November 2025.

A simple way to save on the total cost of your ticket is to fly from Northern Ireland to District of Columbia in the evening. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the afternoon.

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 15h. 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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