Cheap flights from District of Columbia to Belfast from £314

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Belfast departing on 25/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:40 - 19:20IAD-BFS
18h 40m2 stops
Multiple Airlines Logo
07:20 - 18:30BFS-IAD
16h 10m2 stops
£501Multiple Airlines
Find Deal
Wed, 19 Nov - Wed, 26 Nov
Multiple Airlines Logo
17:30 - 15:25IAD-BFS
16h 55m2 stops
Multiple Airlines Logo
22:25 - 21:00BFS-IAD
27h 35m3 stops
£526Multiple Airlines
Find Deal
Sat, 15 Nov - Sat, 22 Nov
Multiple Airlines Logo
09:40 - 13:35DCA-BFS
22h 55m3 stops
Multiple Airlines Logo
06:00 - 21:56BFS-DCA
20h 56m3 stops
£536Multiple Airlines
Find Deal
Wed, 19 Nov - Wed, 26 Nov
Multiple Airlines Logo
19:40 - 22:40IAD-BFS
22h 00m2 stops
Multiple Airlines Logo
06:00 - 18:30BFS-IAD
17h 30m2 stops
£544Multiple Airlines
Find Deal
Sat, 15 Nov - Sat, 22 Nov
Multiple Airlines Logo
20:45 - 23:55IAD-BFS
22h 10m2 stops
Multiple Airlines Logo
08:10 - 15:15BFS-IAD
36h 05m3 stops
£560Multiple Airlines
Find Deal
Wed, 19 Nov - Wed, 26 Nov
Multiple Airlines Logo
06:59 - 17:00DCA-BFS
29h 01m3 stops
Multiple Airlines Logo
07:30 - 08:55BFS-DCA
30h 25m3 stops
£569Multiple Airlines
Find Deal
Thu, 20 Nov - Thu, 27 Nov
Multiple Airlines Logo
19:40 - 22:20IAD-BFS
21h 40m2 stops
Multiple Airlines Logo
06:30 - 18:30BFS-IAD
17h 00m2 stops
£610Multiple Airlines
Find Deal
Thu, 20 Nov - Thu, 27 Nov
Multiple Airlines Logo
17:30 - 21:05IAD-BFS
22h 35m3 stops
Multiple Airlines Logo
08:15 - 21:00BFS-IAD
41h 45m3 stops
£674Multiple Airlines
Find Deal
Thu, 20 Nov - Thu, 27 Nov
Multiple Airlines Logo
17:30 - 23:45IAD-BFS
25h 15m3 stops
Multiple Airlines Logo
21:05 - 15:35BFS-IAD
23h 30m2 stops
£690Multiple Airlines
Find Deal
Thu, 20 Nov - Thu, 27 Nov
Multiple Airlines Logo
14:30 - 14:40IAD-BFS
20h 10m2 stops
Multiple Airlines Logo
08:20 - 15:15BFS-IAD
35h 55m3 stops
£795Multiple Airlines
Find Deal
Sat, 1 Nov - Wed, 12 Nov

momondo Fare Finder

 
Customise your flight search to find flights from District of Columbia to Belfast Intl Airport 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, momondo users made 279,928 searches. Data last updated 7 October 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

Fly to

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 19/11

19:40-19:20

2 stops18h 40m

Belfast Intl

Wed 26/11

07:20-18:30

2 stops16h 10m

£501

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sat 15/11

17:30-15:25

2 stops16h 55m

Belfast Intl

Sat 22/11

22:25-21:00

3 stops27h 35m

£526

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Wed 19/11

09:40-13:35

3 stops22h 55m

Belfast Intl

Wed 26/11

06:00-21:56

3 stops20h 56m

£536

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sat 15/11

19:40-22:40

2 stops22h 00m

Belfast Intl

Sat 22/11

06:00-18:30

2 stops17h 30m

£544

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 19/11

20:45-23:55

2 stops22h 10m

Belfast Intl

Wed 26/11

08:10-15:15

3 stops36h 05m

£560

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Thu 20/11

06:59-17:00

3 stops29h 01m

Belfast Intl

Thu 27/11

07:30-08:55

3 stops30h 25m

£569

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 20/11

19:40-22:20

2 stops21h 40m

Belfast Intl

Thu 27/11

06:30-18:30

2 stops17h 00m

£610

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 20/11

17:30-21:05

3 stops22h 35m

Belfast Intl

Thu 27/11

08:15-21:00

3 stops41h 45m

£674

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 20/11

17:30-23:45

3 stops25h 15m

Belfast Intl

Thu 27/11

21:05-15:35

2 stops23h 30m

£690

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sat 1/11

14:30-14:40

2 stops20h 10m

Belfast Intl

Wed 12/11

08:20-15:15

3 stops35h 55m

£795

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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Cheap District of Columbia to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Belfast Intl Airport

Direct flights

None
There are no direct flights from District of Columbia to Belfast Intl Airport. There are no popular flight routes from District of Columbia to Belfast Intl Airport.
  • When did momondo last update prices for flights from District of Columbia to Belfast Intl Airport?

    Prices for flights from District of Columbia to Belfast Intl Airport were last updated today.

  • How old do you have to be to fly from District of Columbia to Belfast Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The necessary travel and health documents for your Belfast Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from District of Columbia to Belfast Intl Airport?

    Confirm your travel details to search for the latest offers for flights from District of Columbia to Belfast Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from District of Columbia to Belfast Intl Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Travelling to a place near Belfast?

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

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Belfast?

It is quick and easy to find District of Columbia to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

Can I find flights from District of Columbia to Belfast with flexible booking policies on momondo?

All flight searches from District of Columbia to Belfast on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to Belfast?

Once all potential District of Columbia to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from District of Columbia to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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1 adult
Thu 6/11
Thu 13/11

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