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Cheap flights from Belfast to District of Columbia from £335

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 21/11. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — IAD
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Belfast to District of Columbia

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to District of Columbia
Explore the most affordable flight options available from Belfast to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2025.

Wed 3/1207:10BFS - IAD
3 stops37h 05mMultiple Airlines
Wed 10/1222:30IAD - BFS
2 stops16h 50mMultiple Airlines
Deal found 5/11£542
Wed 3/1214:15BHD - IAD
3 stops30h 00mMultiple Airlines
Wed 10/1222:30IAD - BHD
2 stops17h 20mMultiple Airlines
Deal found 5/11£548
Thu 11/1221:00BFS - IAD
3 stops47h 15mMultiple Airlines
Sun 14/1222:30IAD - BFS
2 stops15h 25mMultiple Airlines
Deal found 4/11£580
Thu 13/1107:05BFS - IAD
2 stops16h 25mMultiple Airlines
Mon 17/1119:40IAD - BFS
2 stops18h 25mMultiple Airlines
Deal found 3/11£608
Thu 13/1107:00BHD - IAD
2 stops16h 30mMultiple Airlines
Mon 17/1119:40IAD - BHD
2 stops20h 10mMultiple Airlines
Deal found 3/11£646
Thu 11/1207:25BHD - IAD
2 stops16h 05mMultiple Airlines
Sun 14/1219:40IAD - BHD
2 stops19h 50mMultiple Airlines
Deal found 4/11£661
Wed 3/1206:30BHD - IAD
1 stop14h 35mVirgin Atlantic
Wed 10/1218:05IAD - BHD
1 stop21h 55mVirgin Atlantic
Deal found 5/11£702
Wed 3/1206:30BHD - DCA
2 stops21h 27mDelta
Wed 10/1212:32DCA - BHD
2 stops23h 18mDelta
Deal found 5/11£707
Thu 4/1206:35BHD - DCA
2 stops16h 08mAmerican Airlines
Mon 8/1215:54DCA - BHD
2 stops17h 21mAmerican Airlines
Deal found 4/11£731
Thu 20/1111:05BHD - IAD
1 stop13h 50mAmerican Airlines
Mon 24/1117:29IAD - BHD
2 stops15h 46mAmerican Airlines
Deal found 5/11£745
Wed 19/1106:35BHD - IAD
1 stop18h 20mBritish Airways
Sun 23/1113:58IAD - BHD
2 stops15h 22mBritish Airways
Deal found 5/11£749
Mon 24/1106:35BHD - DCA
2 stops16h 51mAmerican Airlines
Mon 1/1216:47DCA - BHD
2 stops16h 28mAmerican Airlines
Deal found 3/11£750

Cheap flight deals from Belfast to District of Columbia

Keep the following information in mind while searching for Belfast to District of Columbia flight deals. Data was last updated 6 November 2025.

Round-trip from

£542

One-way from

£335
3/12-10/12
  • 3/12-10/12
  • 5 total stops
  • 53h 55m total
  • Belfast to District of Columbia
Search Deals
21/11
  • 21/11
  • 2 total stops
  • 29h 25m total
  • Belfast to District of Columbia
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast 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 6 November 2025.
Use the filters below to find and compare flights from Belfast to District of Columbia that are best for you.

Fly from

Belfast

Fly to

District of Columbia

Route

Depart

Return

Price

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Wed 3/12

07:10-15:15

3 stops37h 05m

Washington, D.C. Dulles Intl

Wed 10/12

22:30-20:20

2 stops16h 50m

£542

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 11/12

21:00-15:15

3 stops47h 15m

Washington, D.C. Dulles Intl

Sun 14/12

22:30-18:55

2 stops15h 25m

£580

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 3/12

14:15-15:15

3 stops30h 00m

Washington, D.C. Dulles Intl

Wed 10/12

21:45-19:20

1 stop16h 35m

£645

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 11/12

07:25-18:30

2 stops16h 05m

Washington, D.C. Dulles Intl

Sun 14/12

19:40-20:30

2 stops19h 50m

£661

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 3/12

06:30-16:05

1 stop14h 35m

Washington, D.C. Dulles Intl

Wed 10/12

17:03-16:50

2 stops18h 47m

£702

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 3/12

06:30-16:05

1 stop14h 35m

Washington, D.C. Dulles Intl

Wed 10/12

18:05-21:00

1 stop21h 55m

£702

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 4/12

06:35-17:43

2 stops16h 08m

Washington, D.C. Reagan-National

Mon 8/12

15:54-14:15

2 stops17h 21m

£731

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 20/11

06:35-15:35

1 stop14h 00m

Washington, D.C. Dulles Intl

Mon 24/11

21:45-16:05

1 stop13h 20m

£745

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 19/11

06:35-19:55

1 stop18h 20m

Washington, D.C. Dulles Intl

Sun 23/11

13:58-10:20

2 stops15h 22m

£749

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 20/11

11:05-19:55

1 stop13h 50m

Washington, D.C. Dulles Intl

Mon 24/11

21:45-14:15

1 stop11h 30m

£749

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 35 results
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Best time to book a flight from Belfast to District of Columbia

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

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

Find hourly flight availability from Belfast 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 6 November 2025.

A simple way to save on the total cost of your ticket is to fly from Belfast 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 Belfast 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 Belfast to District of Columbia?

    Airlines like Delta, Virgin Atlantic, and American Airlines fly from Belfast to District of Columbia in about 14h 35m. The time it takes to get you to your destination can typically vary by up to 1h 33m. The distance between Belfast and 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 Belfast to District of Columbia that include hotel bookings?

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

  • How can I find direct flights from Belfast 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 Belfast to District of Columbia.

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

    Yes. Cheapflights offers flight deals from Belfast 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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Fly with Cheapflights

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

Cheapflights makes it easy to find Belfast 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 Belfast to District of Columbia?

Cheapflights helps you find that perfect flight to District of Columbia from Belfast by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Belfast to District of Columbia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Belfast 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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