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Cheap flights from District of Columbia to Belfast Intl Airport from £188

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BFS
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from District of Columbia to Belfast Intl

Enter your travel dates to find the best prices.

Best flights from District of Columbia to Belfast Intl
Discover carefully curated flight deals from District of Columbia to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.

Mon 26/117:30IAD - BFS
2 stops21h 45mMultiple Airlines
Mon 2/206:00BFS - IAD
3 stops37h 35mMultiple Airlines
Deal found 11/12£521
Mon 26/106:00DCA - BFS
3 stops33h 15mMultiple Airlines
Mon 2/219:20BFS - DCA
3 stops25h 13mMultiple Airlines
Deal found 11/12£528
Sun 25/119:40IAD - BFS
2 stops18h 15mMultiple Airlines
Sun 1/207:10BFS - IAD
2 stops16h 20mMultiple Airlines
Deal found 11/12£535
Sun 25/116:15DCA - BFS
2 stops16h 35mMultiple Airlines
Sun 1/206:30BFS - DCA
3 stops21h 05mMultiple Airlines
Deal found 10/12£701
Thu 8/122:20IAD - BFS
1 stop17h 45mMultiple Airlines
Thu 22/106:15BFS - IAD
2 stops31h 25mMultiple Airlines
Deal found 10/12£725

Find flight deals from District of Columbia to Belfast Intl

Keep the following information in mind while searching for District of Columbia to Belfast Intl flight deals. Data was last updated 12 December 2025.

Round-trip from

£521

One-way from

£188
26/1-2/2
  • 26/1-2/2
  • 5 total stops
  • 59h 20m total
  • District of Columbia to Belfast
Search Deals
4/2
  • 4/2
  • 3 total stops
  • 41h 35m total
  • District of Columbia to Belfast
Search Deals

Cheapflights Fare Finder

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

Fly from

District of Columbia

Fly to

Belfast Intl

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 26/1

17:30-20:15

2 stops21h 45m

Belfast Intl

Mon 2/2

06:00-14:35

3 stops37h 35m

£521

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Mon 26/1

06:00-20:15

3 stops33h 15m

Belfast Intl

Mon 2/2

19:20-15:33

3 stops25h 13m

£528

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 25/1

19:40-18:55

2 stops18h 15m

Belfast Intl

Sun 1/2

07:10-18:30

2 stops16h 20m

£535

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sun 25/1

16:15-13:50

2 stops16h 35m

Belfast Intl

Sun 1/2

06:30-22:35

3 stops21h 05m

£701

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 8/1

22:20-21:05

1 stop17h 45m

Belfast Intl

Thu 22/1

06:15-08:40

2 stops31h 25m

£725

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 4/2

22:30-21:05

3 stops41h 35m

£188

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Fri 13/2

22:30-06:45

2 stops27h 15m

£221

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 17/12

17:05-23:55

3 stops25h 50m

£512

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Wed 17/12

17:54-09:10

3 stops34h 16m

£850

Flights are sorted by cheapest return flights first.

Deals found on 11/12

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

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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 Intl 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 Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

    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 Intl.

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

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

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

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Alternative routes for District of Columbia to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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Why should you use Cheapflights to find cheap flight tickets from District of Columbia to Belfast Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast Intl from District of Columbia.

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

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

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