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Cheap flights from Washington, D.C. to Belfast from $645

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 3/4. 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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Find the cheapest flights from Washington, D.C. to Belfast

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to Belfast that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. to Belfast.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. to Belfast? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Belfast, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. to Belfast

Find recent round-trip train or bus tickets from Washington, D.C. to Belfast.

All round-trip flight deals to Belfast

The cheapest plane tickets to Belfast found on KAYAK recently.
5:30 pm - 5:00 pmIAD-BFS
18h 30m2 stops
11:00 am - 2:00 pmBFS-IAD
31h 00m2 stops
Tue, Mar 4 - Sun, Mar 9
10:55 pm - 2:00 pmIAD-BHD
11h 05m1 stop
7:30 pm - 8:45 pmBHD-IAD
29h 15m1 stop
$647British Airways
Find Deal
Thu, Mar 13 - Mon, Mar 17
6:00 pm - 10:30 amIAD-BHD
11h 30m1 stop
7:25 pm - 3:35 pmBHD-IAD
25h 10m1 stop
$648British Airways
Find Deal
Fri, Jan 17 - Tue, Jan 21
6:00 pm - 10:30 amIAD-BHD
11h 30m1 stop
9:10 am - 4:35 pmBHD-IAD
11h 25m1 stop
$650Iberia
Find Deal
Tue, Mar 4 - Sun, Mar 9
9:55 pm - 4:45 pmIAD-BHD
13h 50m1 stop
9:10 am - 3:35 pmBHD-IAD
11h 25m1 stop
$652American Airlines
Find Deal
Tue, Jan 21 - Mon, Jan 27
5:26 pm - 1:35 pmIAD-BHD
15h 09m2 stops
9:10 am - 4:35 pmBHD-IAD
11h 25m1 stop
$655American Airlines
Find Deal
Tue, Mar 4 - Sun, Mar 9
7:59 pm - 9:00 pmIAD-BHD
21h 01m2 stops
6:30 am - 4:45 pmBHD-IAD
14h 15m1 stop
$690Delta
Find Deal
Thu, Mar 13 - Mon, Mar 17
5:16 pm - 4:50 pmIAD-BHD
18h 34m2 stops
6:30 am - 3:45 pmBHD-IAD
14h 15m1 stop
$691Delta
Find Deal
Thu, Jan 16 - Mon, Jan 20
5:25 pm - 9:20 pmIAD-BHD
22h 55m1 stop
5:20 pm - 3:35 pmBHD-IAD
27h 15m1 stop
$787KLM
Find Deal
Mon, May 19 - Mon, Jun 2
7:50 pm - 4:55 pmIAD-BHD
16h 05m2 stops
5:20 pm - 3:35 pmBHD-IAD
27h 15m1 stop
$976KLM
Find Deal
Mon, May 19 - Mon, Jun 2
WAS-BF1
3374 mimulti-stop
Multiple Airlines
Find Deal

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

Our best British Airways deals on Washington, D.C. to Belfast flight tickets
British Airways
Mar 13
IAD10:55 pmWashington, D.C. Dulles Intl
11h 05m
1 stop
BHD2:00 pmBelfast City
Mar 17
BHD7:30 pmBelfast City
29h 15m
1 stop
IAD8:45 pmWashington, D.C. Dulles Intl
British Airways
Jan 17
IAD6:00 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
BHD10:30 amBelfast City
Jan 21
BHD7:25 pmBelfast City
25h 10m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
British Airways
Jan 9
IAD9:55 pmWashington, D.C. Dulles Intl
11h 05m
1 stop
BHD2:00 pmBelfast City
Jan 13
BHD6:35 amBelfast City
14h 00m
1 stop
IAD3:35 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
Mar 13
IAD7:59 pmWashington, D.C. Dulles Intl
21h 01m
2 stops
BHD9:00 pmBelfast City
Mar 17
BHD6:30 amBelfast City
14h 15m
1 stop
IAD4:45 pmWashington, D.C. Dulles Intl
Delta
Jan 16
IAD5:16 pmWashington, D.C. Dulles Intl
18h 34m
2 stops
BHD4:50 pmBelfast City
Jan 20
BHD6:30 amBelfast City
14h 15m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
Delta
Jan 9
IAD5:35 pmWashington, D.C. Dulles Intl
22h 25m
1 stop
BHD9:00 pmBelfast City
Jan 13
BHD6:30 amBelfast City
21h 46m
2 stops
IAD11:16 pmWashington, D.C. Dulles Intl

See travel insights to Belfast from

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 typical price of a round-trip flight between Washington, D.C. and Belfast?

What is the cheapest month to fly to Belfast?

In general, October is the cheapest month to fly from Washington, D.C. to Belfast. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $621. If you don’t want to visit Belfast in October, then you should wait until September to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $650.

What is the cheapest day to depart on your flight to Belfast?

The cheapest day to depart from Washington, D.C. to Belfast is on a Tuesday when prices can be found for as low as $680. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Belfast for around $884.

What is the cheapest time of day to depart on your flight to Belfast?

Our data shows that the cheapest Washington, D.C. to Belfast flights are usually those with departure times in the evening. Our users have found flights to Belfast in the evening for as low as $683. Try not to purchase tickets in the afternoon because they tend to be around $762. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

$645

Fastest flight time

10h 45m

Direct flights

None

Airports in Belfast

2 airports
The best flight deal from Washington, D.C. to Belfast found on momondo in the last 72 hours is $645
The fastest flight from Washington, D.C. to Belfast takes 10h 45m
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. 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 10h 45m.

  • 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
British AirwaysPriceFrom $557Free CancellationRating
6.6
6,820 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