Find flights
When to book
FAQs

Cheap flights from District of Columbia to Belfast from £462

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BHD
17 10月 — 24 10月1
1 adult
1 adult, Economy

Cheap flight deals from District of Columbia to Belfast

Keep the following information in mind while searching for District of Columbia to Belfast flight deals. Data was last updated 17 9月 2025.

Round-trip from

£461

Popular in

June

Cheapest in

February

Average price

£474
British Airways
  • British Airways
  • 16/3-22/3
  • 2 total stops
  • 22h 55m total
  • District of Columbia to Belfast
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from District of Columbia to Belfast

Cheapest flights from District of Columbia to Belfast
Explore the most affordable flight options available from District of Columbia to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 9月 2025.

週五 3/1022:45IAD - BHD
1 stop14h 30mAmerican Airlines
週五 10/1011:55BHD - IAD
1 stop13h 20mAmerican Airlines
Deal found 15/9£462
週一 13/1017:45IAD - BFS
3 stops25h 00mMultiple Airlines
週一 20/1021:00BFS - IAD
3 stops47h 20mMultiple Airlines
Deal found 15/9£473
週五 3/1019:45DCA - BHD
2 stops17h 30mAmerican Airlines
週五 10/1006:35BHD - DCA
2 stops16h 21mAmerican Airlines
Deal found 15/9£473
週二 28/1018:30IAD - BFS
3 stops23h 00mMultiple Airlines
週二 4/1107:05BFS - IAD
3 stops42h 55mMultiple Airlines
Deal found 16/9£493
週二 28/1019:20IAD - BHD
1 stop12h 10mBritish Airways
週二 4/1111:25BHD - IAD
1 stop13h 30mBritish Airways
Deal found 16/9£505
週一 6/1017:25IAD - BHD
1 stop18h 30mDelta
週一 20/1006:30BHD - IAD
1 stop14h 05mDelta
Deal found 16/9£519
週一 6/1019:35IAD - BHD
2 stops16h 20mKLM
週一 20/1006:30BHD - IAD
1 stop14h 05mKLM
Deal found 16/9£520
週三 12/1112:11IAD - BHD
2 stops27h 49mDelta
週日 16/1117:20BHD - IAD
1 stop27h 45mDelta
Deal found 14/9£522
週二 28/1013:00IAD - BHD
2 stops23h 50mDelta
週二 4/1106:30BHD - IAD
1 stop14h 35mDelta
Deal found 16/9£523
週五 31/1022:00IAD - BFS
2 stops20h 00mMultiple Airlines
週五 7/1108:05BFS - IAD
2 stops16h 25mMultiple Airlines
Deal found 16/9£523
週一 13/1012:19DCA - BHD
2 stops19h 36mBritish Airways
週一 20/1006:40BHD - DCA
2 stops18h 36mBritish Airways
Deal found 15/9£529
週三 12/1112:11IAD - BHD
2 stops27h 49mVirgin Atlantic
週日 16/1117:20BHD - IAD
2 stops34h 43mVirgin Atlantic
Deal found 15/9£529

Cheapflights Fare Finder

 
Customise your flight search to find flights from District of Columbia to Belfast 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 17 9月 2025.
Use the filters below to find and compare flights from District of Columbia to Belfast that are best for you.

Fly from

District of Columbia

Fly to

Belfast

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

週五 3/10

22:45-18:15

1 stop14h 30m

Belfast City

週五 10/10

11:55-20:15

1 stop13h 20m

£462

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

週二 6/1

18:20-10:30

1 stop11h 10m

Belfast City

週三 14/1

12:25-19:55

1 stop12h 30m

£465

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

週一 13/10

17:45-23:45

3 stops25h 00m

Belfast Intl

週一 20/10

21:00-15:20

3 stops47h 20m

£473

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

週五 3/10

19:45-18:15

2 stops17h 30m

Belfast City

週五 10/10

06:35-17:56

2 stops16h 21m

£473

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

週二 6/1

16:30-11:30

2 stops14h 00m

Belfast City

週三 14/1

06:35-16:27

2 stops14h 52m

£474

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

週一 16/3

16:12-10:40

2 stops14h 28m

Belfast City

週日 22/3

10:40-22:46

2 stops16h 06m

£477

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

週二 28/10

19:20-11:30

1 stop12h 10m

Belfast City

週二 4/11

11:25-19:55

1 stop13h 30m

£505

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

週一 6/10

17:25-16:55

1 stop18h 30m

Belfast City

週一 20/10

06:30-15:35

1 stop14h 05m

£519

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

週一 13/10

17:25-16:55

1 stop18h 30m

Belfast City

週一 20/10

17:25-15:35

1 stop27h 10m

£519

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

週三 12/11

17:03-21:00

2 stops22h 57m

Belfast City

週日 16/11

06:30-16:05

1 stop14h 35m

£522

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from District of Columbia to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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 Belfast
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 Belfast. 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 Belfast?

    There are many flights that can get you from District of Columbia to Belfast in 11h 10m. Fly via American Airlines, British Airways, or Delta to get the fastest option. The distance between District of Columbia and Belfast is about 3390 mi. This flight may include one or multiple stops.

  • What are the most popular routes from District of Columbia to Belfast?

    Most travelers choose Washington, D.C. Dulles Intl - Belfast Intl, Washington, D.C. Dulles Intl - Belfast City or Washington, D.C. Reagan-National - Belfast City when deciding on the best route from District of Columbia to Belfast.

  • Can I find deals for flights from District of Columbia to Belfast that include hotel bookings?

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

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

    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 Belfast.

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

    Yes. Cheapflights offers flight deals from District of Columbia to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Belfast?

    Currently, January is the cheapest month in which you can book a flight from District of Columbia to Belfast (average of £67). Flying from District of Columbia to Belfast in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Belfast Intl flights
John F Kennedy Intl to Belfast Intl flights
O'Hare Intl to Belfast Intl flights
Los Angeles to Belfast Intl flights
John F Kennedy Intl to Belfast City flights
Seattle to Belfast City flights
Los Angeles to Belfast City flights
Boston to Belfast Intl flights
Newark to Belfast Intl flights
Atlanta to Belfast Intl flights
Boston to Belfast City flights
Hobby to Belfast City flights
LaGuardia to Belfast City flights
Orlando to Belfast Intl flights
Philadelphia to Belfast City flights
San Francisco to Belfast City flights
George Bush Intcntl to Belfast City flights
Portland to Belfast Intl flights
State College to Belfast City flights
Orlando to Belfast City flights
Minneapolis to Belfast Intl flights
San Francisco to Belfast Intl flights
Portland to Belfast City flights
Buffalo to Belfast City flights
Denver to Belfast Intl flights
Miami to Belfast Intl flights
Denver to Belfast City flights
Minneapolis to Belfast City flights

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 District of Columbia to Belfast?

When you search for this flight from District of Columbia to Belfast, 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 Belfast?

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 District of Columbia to Belfast.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from District of Columbia to Belfast, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.