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Cheap flights from Washington, D.C. to Belfast from $402

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Belfast departing on 6/23. 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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Tue 5/21
Tue 5/28

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Easily compare round-trip flights from Washington, D.C. to Belfast

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Washington, D.C. to Belfast by changing tabs
American Airlines
Sep 20
IAD10:45 pmWashington, D.C. Dulles Intl
14h 25m
1 stop
BHD6:10 pmBelfast City
Sep 28
BHD6:50 amBelfast City
18h 40m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
British Airways
Oct 13
IAD10:50 pmWashington, D.C. Dulles Intl
13h 45m
1 stop
BHD5:35 pmBelfast City
Oct 19
BHD6:55 pmBelfast City
30h 40m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
Delta
Oct 13
DCA2:30 pmWashington, D.C. Reagan-National
21h 20m
2 stops
BHD4:50 pmBelfast City
Oct 19
BHD5:20 pmBelfast City
29h 54m
2 stops
DCA6:14 pmWashington, D.C. Reagan-National
KLM
Jun 11
IAD5:50 pmWashington, D.C. Dulles Intl
18h 00m
1 stop
BHD4:50 pmBelfast City
Jun 19
BHD5:20 pmBelfast City
27h 39m
2 stops
IAD3:59 pmWashington, D.C. Dulles Intl
Multiple Airlines
Sep 20
IAD8:30 pmWashington, D.C. Dulles Intl
14h 15m
2 stops
BFS3:45 pmBelfast Intl
Sep 28
BFS7:50 pmBelfast Intl
26h 50m
2 stops
IAD5:40 pmWashington, D.C. Dulles Intl
Lufthansa
Jun 6
IAD10:20 pmWashington, D.C. Dulles Intl
54h 05m
2 stops
BHD9:25 amBelfast City
Jun 11
BHD3:35 pmBelfast City
56h 50m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl

Find the cheapest one-way flights from Washington, D.C. to Belfast

If you're looking for one-way flights from Washington, D.C. to Belfast, view some of our deals below provided by American Airlines, British Airways and Delta
Multiple Airlines
Jun 23
IAD8:45 pmWashington, D.C. Dulles Intl
35h 20m
2 stops
BFS1:05 pmBelfast Intl
Delta
Jul 2
IAD5:00 pmWashington, D.C. Dulles Intl
18h 50m
2 stops
BHD4:50 pmBelfast City
American Airlines
Jul 2
IAD10:45 pmWashington, D.C. Dulles Intl
13h 40m
1 stop
BHD5:25 pmBelfast City

Search last-minute flights to Belfast from Washington, D.C.

Find and compare round-trip flight prices for your last-minute flight from Washington, D.C. to Belfast
British Airways
May 24
IAD10:45 pmWashington, D.C. Dulles Intl
14h 25m
1 stop
BHD6:10 pmBelfast City
May 27
BHD1:50 pmBelfast City
11h 40m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
Delta
May 23
IAD5:25 pmWashington, D.C. Dulles Intl
18h 25m
1 stop
BHD4:50 pmBelfast City
May 27
BHD5:20 pmBelfast City
27h 40m
1 stop
IAD4:00 pmWashington, D.C. Dulles Intl
Multiple Airlines
May 23
IAD8:19 amWashington, D.C. Dulles Intl
22h 51m
3 stops
BFS12:10 pmBelfast Intl
May 27
BFS8:55 pmBelfast Intl
30h 15m
3 stops
IAD10:10 pmWashington, D.C. Dulles Intl
British Airways
May 24
IAD10:45 pmWashington, D.C. Dulles Intl
14h 25m
1 stop
BHD6:10 pmBelfast City
May 27
BHD6:35 amBelfast City
22h 26m
2 stops
IAD12:01 amWashington, D.C. Dulles Intl
Delta
May 23
IAD4:59 pmWashington, D.C. Dulles Intl
18h 51m
2 stops
BHD4:50 pmBelfast City
May 27
BHD5:20 pmBelfast City
27h 40m
1 stop
IAD4:00 pmWashington, D.C. Dulles Intl
Delta
May 23
IAD4:59 pmWashington, D.C. Dulles Intl
18h 51m
2 stops
BHD4:50 pmBelfast City
May 27
BHD5:20 pmBelfast City
29h 01m
2 stops
IAD5:21 pmWashington, D.C. Dulles Intl

American Airlines flights from Washington, D.C. to Belfast

Our best American Airlines deals on Washington, D.C. to Belfast flight tickets
American Airlines
Sep 20
IAD10:45 pmWashington, D.C. Dulles Intl
14h 25m
1 stop
BHD6:10 pmBelfast City
Sep 28
BHD6:50 amBelfast City
18h 40m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
American Airlines
Sep 20
IAD10:45 pmWashington, D.C. Dulles Intl
11h 40m
1 stop
BHD3:25 pmBelfast City
Sep 28
BHD6:50 amBelfast City
21h 57m
2 stops
IAD11:47 pmWashington, D.C. Dulles Intl
American Airlines
Sep 17
BWI8:17 pmBaltimore/Washington
14h 03m
2 stops
BHD3:20 pmBelfast City
Sep 27
BHD10:10 amBelfast City
14h 30m
1 stop
BWI7:40 pmBaltimore/Washington

Delta flights from Washington, D.C. to Belfast

Our best Delta deals on Washington, D.C. to Belfast flight tickets
Delta
Oct 13
DCA2:30 pmWashington, D.C. Reagan-National
21h 20m
2 stops
BHD4:50 pmBelfast City
Oct 19
BHD5:20 pmBelfast City
29h 54m
2 stops
DCA6:14 pmWashington, D.C. Reagan-National
Delta
Sep 2
IAD5:25 pmWashington, D.C. Dulles Intl
18h 25m
1 stop
BHD4:50 pmBelfast City
Dec 17
BHD5:20 pmBelfast City
34h 23m
2 stops
IAD10:43 pmWashington, D.C. Dulles Intl
Delta
Aug 27
IAD2:15 pmWashington, D.C. Dulles Intl
21h 35m
2 stops
BHD4:50 pmBelfast City
Sep 11
BHD5:20 pmBelfast City
34h 23m
2 stops
IAD10:43 pmWashington, D.C. Dulles Intl

How to get the cheapest flight ticket from Washington, D.C. to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Washington, D.C. to Belfast?

September. The cheapest time of year to fly to Belfast from Washington, D.C. is September. Most expensive is December

What is the cheapest day to depart Washington, D.C. for Belfast?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Monday

When is the cheapest time to fly from Washington, D.C. to Belfast?

In the afternoon. Washington, D.C. to Belfast flights are approximately 16% more expensive in the evening than in the afternoon

What is the cheapest airline that flies to Belfast from Washington, D.C.?

American Airlines. American Airlines and British Airways are the most popular carriers operating from Washington, D.C. to Belfast

What is the cheapest Washington, D.C. to Belfast flight route?

Washington, D.C. Dulles Intl - Belfast Intl. Fly from Washington, D.C. Dulles Intl to Belfast Intl for the best Washington, D.C. - Belfast flight prices

Cheap Washington, D.C. to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Belfast

Best Price Found

$402

Fastest flight time

9h 55m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from Washington, D.C. in the past 72 hours is $402. The best round-trip flight deal from Washington, D.C. to Belfast found on momondo in the last 72 hours is $571.
The fastest flight from Washington, D.C. to Belfast takes 9h 55m
There are no direct flights from Washington, D.C. to Belfast. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Belfast City Airport, Baltimore/Washington Airport - Belfast Intl Airport and Washington, D.C. Dulles Intl Airport - Belfast Intl Airport.
There are 2 airports near Belfast: Belfast Intl (BFS), Belfast City (BHD)

  • How far is Washington, D.C. to Belfast by plane?

    Washington, D.C. and Belfast are 3373.5 mi apart from one another. In terms of flight time, this usually takes a little over 9h 55m.

  • When did momondo last update prices for flights from Washington, D.C. to Belfast?

    Prices for flights from Washington, D.C. to Belfast refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. to Belfast?

  • How old do you have to be to fly from Washington, D.C. to Belfast?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Belfast.

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

    The necessary travel and health documents for your Belfast 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.


Best airlines flying from Washington, D.C. to Belfast

Compare and see reviews for airlines that fly from Washington, D.C. to Belfast with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $626Free CancellationRating
7.3
14,514 reviews
Search American Airlines flights
British AirwaysPriceFrom $626Free CancellationRating
6.8
6,829 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Belfast?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Belfast for you.

Can I find flights from Washington, D.C. to Belfast with flexible booking policies on momondo?

Yes. All flights to Belfast from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Belfast?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Belfast right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast
Airports listed have a maximum distance of 12.2 mi from Belfast