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Cheap flights from Washington, D.C. to Belfast from $574

This is the cheapest round-trip 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 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Sun 6/9

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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
British Airways
Oct 2
IAD5:55 pmWashington, D.C. Dulles Intl
14h 30m
1 stop
BHD1:25 pmBelfast City
Oct 9
BHD6:50 amBelfast City
13h 45m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
American Airlines
Oct 12
DCA8:24 pmWashington, D.C. Reagan-National
13h 41m
2 stops
BHD3:05 pmBelfast City
Oct 20
BHD1:10 pmBelfast City
15h 09m
2 stops
DCA11:19 pmWashington, D.C. Reagan-National
Delta
Oct 12
IAD12:30 pmWashington, D.C. Dulles Intl
23h 20m
2 stops
BHD4:50 pmBelfast City
Oct 20
BHD5:20 pmBelfast City
30h 23m
2 stops
IAD6:43 pmWashington, D.C. Dulles Intl
Multiple Airlines
Aug 18
BWI6:50 pmBaltimore/Washington
23h 40m
2 stops
BFS11:30 pmBelfast Intl
Aug 21
BFS6:15 amBelfast Intl
21h 36m
3 stops
BWI10:51 pmBaltimore/Washington
Iberia
Oct 2
IAD5:55 pmWashington, D.C. Dulles Intl
12h 55m
1 stop
BHD11:50 amBelfast City
Oct 9
BHD4:05 pmBelfast City
32h 10m
2 stops
IAD7:15 pmWashington, D.C. Dulles Intl
KLM
Oct 12
BWI6:25 pmBaltimore/Washington
17h 25m
2 stops
BHD4:50 pmBelfast City
Oct 20
BHD5:20 pmBelfast City
27h 05m
2 stops
BWI3:25 pmBaltimore/Washington

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 Aer Lingus and Delta
Aer Lingus
Jul 2
IAD8:40 pmWashington, D.C. Dulles Intl
19h 10m
2 stops
BHD8:50 pmBelfast City
Multiple Airlines
Jul 2
IAD11:15 pmWashington, D.C. Dulles Intl
57h 25m
3 stops
BHD1:40 pmBelfast City
Delta
Jul 2
IAD5:50 pmWashington, D.C. Dulles Intl
18h 00m
1 stop
BHD4:50 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
Multiple Airlines
Jun 4
IAD1:00 pmWashington, D.C. Dulles Intl
19h 40m
3 stops
BHD1:40 pmBelfast City
Jun 6
BHD6:55 amBelfast City
18h 20m
2 stops
IAD8:15 pmWashington, D.C. Dulles Intl
Delta
Jun 2
IAD5:25 pmWashington, D.C. Dulles Intl
18h 25m
1 stop
BHD4:50 pmBelfast City
Jun 8
BHD5:20 pmBelfast City
27h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
British Airways
Jun 3
IAD5:55 pmWashington, D.C. Dulles Intl
10h 00m
1 stop
BHD8:55 amBelfast City
Jun 5
BHD9:50 amBelfast City
10h 50m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
American Airlines
Jun 4
BWI9:20 pmBaltimore/Washington
10h 35m
1 stop
BHD12:55 pmBelfast City
Jun 6
BHD6:35 amBelfast City
18h 00m
1 stop
BWI7:35 pmBaltimore/Washington
KLM
Jun 2
IAD5:25 pmWashington, D.C. Dulles Intl
18h 25m
1 stop
BHD4:50 pmBelfast City
Jun 5
BHD5:20 pmBelfast City
28h 05m
2 stops
IAD4:25 pmWashington, D.C. Dulles Intl
Multiple Airlines
Jun 4
IAD10:30 pmWashington, D.C. Dulles Intl
16h 30m
2 stops
BHD8:00 pmBelfast City
Jun 6
BHD6:55 amBelfast City
18h 20m
2 stops
IAD8:15 pmWashington, D.C. Dulles Intl

Delta flights from Washington, D.C. to Belfast

Our best Delta deals on Washington, D.C. to Belfast flight tickets
Delta
Oct 13
DCA5:00 pmWashington, D.C. Reagan-National
18h 50m
2 stops
BHD4:50 pmBelfast City
Oct 19
BHD5:20 pmBelfast City
32h 55m
2 stops
DCA9:15 pmWashington, D.C. Reagan-National
Delta
Oct 13
DCA5:30 pmWashington, D.C. Reagan-National
18h 20m
2 stops
BHD4:50 pmBelfast City
Oct 19
BHD5:20 pmBelfast City
31h 54m
2 stops
DCA8:14 pmWashington, D.C. Reagan-National
Delta
Jul 5
IAD5:25 pmWashington, D.C. Dulles Intl
18h 25m
1 stop
BHD4:50 pmBelfast City
Sep 6
BHD5:20 pmBelfast City
29h 04m
2 stops
IAD5:24 pmWashington, D.C. Dulles Intl

British Airways flights from Washington, D.C. to Belfast

Our best British Airways deals on Washington, D.C. to Belfast flight tickets
British Airways
Oct 2
IAD5:55 pmWashington, D.C. Dulles Intl
14h 30m
1 stop
BHD1:25 pmBelfast City
Oct 9
BHD6:50 amBelfast City
13h 45m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
British Airways
Oct 12
BWI9:25 pmBaltimore/Washington
9h 55m
1 stop
BHD12:20 pmBelfast City
Oct 20
BHD3:50 pmBelfast City
32h 50m
1 stop
BWI7:40 pmBaltimore/Washington
British Airways
Oct 2
IAD5:55 pmWashington, D.C. Dulles Intl
14h 30m
1 stop
BHD1:25 pmBelfast City
Oct 9
BHD7:40 pmBelfast City
28h 35m
2 stops
IAD7:15 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?

Baltimore/Washington - Belfast Intl. Fly from Baltimore/Washington 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

$669

Fastest flight time

9h 55m

Direct flights

None

Airports in Belfast

1 airport
The best one-way flight to Belfast from Washington, D.C. in the past 72 hours is $669. The best round-trip flight deal from Washington, D.C. to Belfast found on momondo in the last 72 hours is $574.
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 City Airport and Washington, D.C. Reagan-National Airport - Belfast City Airport.
There is 1 airport near Belfast: 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 $598Free CancellationRating
7.3
14,316 reviews
Search American Airlines flights
British AirwaysPriceFrom $618Free CancellationRating
6.8
6,766 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