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Cheap flights from District of Columbia to Belfast City Airport from £265

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BHD
1 Jan — 8 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from District of Columbia to Belfast City

Enter your travel dates to find the best prices.

Cheapest flights from District of Columbia to Belfast City
Explore the most affordable flight options available from District of Columbia to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 December 2025.

Fri 5/1218:05IAD - BHD
1 stop21h 55mKLM
Thu 11/1206:30BHD - IAD
1 stop14h 35mKLM
Deal found 30/11£494
Mon 1/1217:59IAD - BHD
2 stops22h 01mDelta
Mon 8/1206:30BHD - IAD
1 stop14h 35mDelta
Deal found 30/11£497
Mon 1/1219:35DCA - BHD
2 stops20h 25mDelta
Mon 8/1206:30BHD - DCA
2 stops15h 06mDelta
Deal found 30/11£505
Fri 5/1217:02DCA - BHD
2 stops18h 48mDelta
Wed 10/1206:30BHD - DCA
2 stops15h 06mDelta
Deal found 30/11£595
Fri 5/1218:05IAD - BHD
1 stop17h 45mMultiple Airlines
Fri 12/1206:30BHD - IAD
2 stops14h 53mMultiple Airlines
Deal found 30/11£628
Sat 6/1218:20IAD - BHD
1 stop9h 50mBritish Airways
Thu 11/1210:40BHD - IAD
1 stop14h 15mBritish Airways
Deal found 30/11£695
Fri 5/1217:05IAD - BHD
2 stops14h 45mAer Lingus
Wed 10/1210:20BHD - IAD
2 stops14h 10mAer Lingus
Deal found 30/11£696
Sat 6/1218:20IAD - BHD
1 stop9h 50mBritish Airways
Wed 10/1206:35BHD - IAD
1 stop14h 00mBritish Airways
Deal found 30/11£731
Sat 6/1219:55DCA - BHD
2 stops33h 25mBritish Airways
Thu 11/1206:35BHD - DCA
2 stops16h 08mBritish Airways
Deal found 30/11£735
Sat 6/1214:54DCA - BHD
2 stops13h 16mAmerican Airlines
Thu 11/1210:40BHD - DCA
2 stops15h 50mAmerican Airlines
Deal found 30/11£740
Sun 7/1218:05IAD - BHD
1 stop17h 45mMultiple Airlines
Thu 11/1206:30BHD - IAD
1 stop14h 35mMultiple Airlines
Deal found 30/11£746
Sun 7/1219:35IAD - BHD
2 stops16h 15mKLM
Wed 10/1206:30BHD - IAD
1 stop14h 35mKLM
Deal found 30/11£749

Cheap flight deals from District of Columbia to Belfast City

Keep the following information in mind while searching for District of Columbia to Belfast City flight deals. Data was last updated 2 December 2025.

Round-trip from

£415

One-way from

£265

Popular in

June

Cheapest in

February

Average price

£522
British Airways
  • British Airways
  • 21/1-28/1
  • 2 total stops
  • 25h 10m total
  • District of Columbia to Belfast
Search Deals
British Airways
  • British Airways
  • 14/1
  • 1 total stop
  • 9h 50m total
  • District of Columbia to Belfast
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£112 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from District of Columbia to Belfast City 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 2 December 2025.
Use the filters below to find and compare flights from District of Columbia to Belfast City Airport that are best for you.

Fly from

District of Columbia

Fly to

Belfast City

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 1/3

18:20-13:55

1 stop14h 35m

Belfast City

Mon 9/3

14:40-16:35

1 stop29h 55m

£432

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 2/3

21:45-14:15

1 stop11h 30m

Belfast City

Tue 10/3

11:25-20:55

1 stop13h 30m

£432

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 3/3

21:45-14:50

1 stop12h 05m

Belfast City

Wed 11/3

09:15-16:35

1 stop11h 20m

£432

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 3/3

18:20-10:30

1 stop11h 10m

Belfast City

Tue 10/3

10:00-20:55

1 stop14h 55m

£432

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 2/3

18:20-10:40

1 stop11h 20m

Belfast City

Wed 11/3

09:15-16:35

1 stop11h 20m

£432

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/3

21:45-14:15

1 stop11h 30m

Belfast City

Mon 9/3

19:25-16:35

1 stop25h 10m

£432

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/3

21:45-14:15

1 stop11h 30m

Belfast City

Wed 11/3

11:25-20:55

1 stop13h 30m

£432

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 21/1

13:35-10:15

2 stops15h 40m

Belfast City

Wed 28/1

12:25-23:59

2 stops16h 34m

£433

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 1/3

18:20-10:20

1 stop11h 00m

Belfast City

Sun 8/3

06:30-15:35

1 stop14h 05m

£441

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 16/3

19:20-10:40

1 stop11h 20m

Belfast City

Sun 22/3

17:35-16:35

1 stop27h 00m

£441

Flights are sorted by cheapest return flights first.

Deals found on 29/11

Showing 1-10 of 26 results
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Best time to book a flight from District of Columbia to Belfast City

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

    Departing from District of Columbia to Belfast City Airport will take you 14h 35m. District of Columbia and Belfast City Airport are separated by a distance of 3390 mi.

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

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

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

    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 City.

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

    Yes. Cheapflights offers flight deals from District of Columbia to Belfast City 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

Travelling to a place near Belfast City Airport?

Book flights to Belfast City Airport if you plan to visit one of these locations
Bangor
Carrickfergus
Newcastle

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Fly with Cheapflights

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

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

Cheapflights helps you find that perfect flight to Belfast City from District of Columbia 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 District of Columbia to Belfast City with no change fees?

Certainly. Search results for flights to Belfast City from District of Columbia 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 District of Columbia to Belfast City become cheaper?

Yes! Start tracking prices for District of Columbia to Belfast City flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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