Latest deals
FAQs
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Belfast from £439

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Belfast departing on 6/9. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Belfast

Cheap return flights

These are some of the best return flight deals from Washington, D.C. Dulles Intl Airport to Belfast that have been recently found on momondo from popular airlines, departing in the coming months.
American Airlines Logo
22:45 - 15:05IAD-BHD
11h 20m1 stop
American Airlines Logo
06:30 - 15:35BHD-IAD
14h 05m1 stop
£439American Airlines
Find Deal
Sat, 6 Sep - Sat, 20 Dec
British Airways Logo
19:25 - 10:35IAD-BHD
10h 10m1 stop
British Airways Logo
06:35 - 17:35BHD-IAD
16h 00m1 stop
£441British Airways
Find Deal
Tue, 2 Sep - Tue, 9 Sep
British Airways Logo
14:09 - 15:05IAD-BHD
19h 56m2 stops
British Airways Logo
18:00 - 15:58BHD-IAD
26h 58m2 stops
£451British Airways
Find Deal
Sat, 6 Sep - Sat, 20 Dec
British Airways Logo
17:50 - 09:00IAD-BHD
10h 10m1 stop
British Airways Logo
20:20 - 15:00BHD-IAD
23h 40m2 stops
£454British Airways
Find Deal
Tue, 2 Sep - Tue, 9 Sep
KLM Logo
20:30 - 16:55IAD-BHD
15h 25m2 stops
KLM Logo
06:30 - 15:35BHD-IAD
14h 05m1 stop
£561KLM
Find Deal
Sun, 6 Jul - Sun, 24 Aug
Delta Logo
12:13 - 21:15IAD-BHD
28h 02m2 stops
Delta Logo
17:25 - 19:37BHD-IAD
31h 12m2 stops
£569Delta
Find Deal
Sun, 6 Jul - Sun, 24 Aug
Delta Logo
20:30 - 16:55IAD-BHD
39h 25m2 stops
Delta Logo
17:25 - 15:35BHD-IAD
27h 10m1 stop
£570Delta
Find Deal
Sat, 5 Jul - Sun, 24 Aug
Aer Lingus Logo
17:20 - 14:10IAD-BHD
15h 50m2 stops
Aer Lingus Logo
06:35 - 15:50BHD-IAD
14h 15m2 stops
£668Aer Lingus
Find Deal
Fri, 19 Sep - Fri, 26 Sep
 Logo
11:35 - 20:05IAD-BFS
27h 30m3 stops
 Logo
07:25 - 20:50BFS-IAD
42h 25m2 stops
Fri, 13 Jun - Wed, 25 Jun
 Logo
11:35 - 20:05IAD-BFS
27h 30m3 stops
 Logo
07:25 - 20:50BFS-IAD
42h 25m3 stops
Fri, 13 Jun - Wed, 25 Jun

British Airways flights from Washington, D.C. Dulles Intl Airport to Belfast

Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Belfast flight tickets
British Airways
3 May
IAD19:25Washington, D.C. Dulles Intl
11h 50m
1 stop
BHD12:15Belfast City
16 May
BHD14:00Belfast City
11h 05m
1 stop
IAD20:05Washington, D.C. Dulles Intl
British Airways
2 Sept
IAD19:25Washington, D.C. Dulles Intl
10h 10m
1 stop
BHD10:35Belfast City
9 Sept
BHD06:35Belfast City
16h 00m
1 stop
IAD17:35Washington, D.C. Dulles Intl
British Airways
3 May
IAD19:25Washington, D.C. Dulles Intl
11h 50m
1 stop
BHD12:15Belfast City
16 May
BHD06:35Belfast City
17h 57m
2 stops
IAD19:32Washington, D.C. Dulles Intl

American Airlines flights from Washington, D.C. Dulles Intl Airport to Belfast

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Belfast flight tickets
American Airlines
6 Sept
IAD22:45Washington, D.C. Dulles Intl
11h 20m
1 stop
BHD15:05Belfast City
20 Dec
BHD06:30Belfast City
14h 05m
1 stop
IAD15:35Washington, D.C. Dulles Intl
American Airlines
6 Jul
IAD19:25Washington, D.C. Dulles Intl
12h 40m
1 stop
BHD13:05Belfast City
24 Aug
BHD11:00Belfast City
11h 30m
1 stop
IAD17:30Washington, D.C. Dulles Intl
American Airlines
30 Jul
IAD22:40Washington, D.C. Dulles Intl
11h 55m
1 stop
BHD15:35Belfast City
16 Aug
BHD07:05Belfast City
18h 10m
1 stop
IAD20:15Washington, D.C. Dulles Intl

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

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

Best price found

£439

Fastest flight time

10h 10m

Direct flights

None

Airports in Belfast

2 airports
The best flight deal from Washington, D.C. Dulles Intl Airport to Belfast found on momondo in the last 72 hours is £439
The fastest flight from Washington, D.C. Dulles Intl Airport to Belfast takes 10h 10m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Belfast. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Belfast City 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. Dulles Intl to Belfast by plane?

    Washington, D.C. Dulles Intl and Belfast are 3387.7 mi apart from one another. By plane, this route typically takes 10h 10m.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Belfast are refreshed on a daily basis.

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

    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 Washington, D.C. Dulles Intl Airport to Belfast.

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

    The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Belfast?

    Search flight deals from Washington, D.C. Dulles Intl Airport to Belfast. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Belfast with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.


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. momondo enables you to select and highlight flights to Belfast from Washington, D.C. with this policy.

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

Once you have performed a search for Washington, D.C. to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Belfast from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your Belfast trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/5
Tue 13/5

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