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Cheap flights from Washington to Belfast Intl Airport from £357

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 to Belfast Intl Airport departing on 30/12. 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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Find the cheapest flights from Washington to Belfast

Cheap return flights

These are some of the best return flight deals from Washington 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 to Belfast.

Cheap last-minute flights

Planning a quick getaway from Washington 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 stopovers.

Cheap bus & train deals from Washington to Belfast

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All round-trip flight deals to Belfast

The cheapest plane tickets to Belfast found on KAYAK recently.
14:35 - 17:50SEA-BFS
19h 15m2 stops
06:30 - 17:00BFS-SEA
18h 30m2 stops
Thu, 30 Jan - Fri, 7 Feb
14:35 - 22:40SEA-BFS
24h 05m3 stops
06:00 - 14:21BFS-SEA
40h 21m3 stops
Sat, 18 Jan - Sun, 26 Jan
18:50 - 20:10SEA-BFS
17h 20m1 stop
06:35 - 14:21BFS-SEA
39h 46m2 stops
Tue, 21 Jan - Sun, 26 Jan
05:45 - 22:05SEA-BFS
32h 20m3 stops
07:05 - 10:00BFS-SEA
34h 55m3 stops
Thu, 30 Jan - Fri, 7 Feb
05:30 - 22:20SEA-BFS
32h 50m2 stops
07:05 - 10:00BFS-SEA
34h 55m3 stops
Thu, 30 Jan - Fri, 7 Feb
18:50 - 19:15SEA-BFS
16h 25m1 stop
06:00 - 16:55BFS-SEA
18h 55m1 stop
Thu, 30 Jan - Fri, 7 Feb
18:50 - 17:55SEA-BFS
15h 05m1 stop
08:50 - 17:00BFS-SEA
16h 10m2 stops
Tue, 21 Jan - Tue, 28 Jan
18:50 - 17:55SEA-BFS
15h 05m1 stop
08:50 - 17:00BFS-SEA
16h 10m2 stops
Wed, 15 Jan - Tue, 28 Jan
14:35 - 16:40SEA-BFS
18h 05m3 stops
07:35 - 17:00BFS-SEA
17h 25m2 stops
Sat, 18 Jan - Sun, 26 Jan
21:21 - 20:35SEA-BFS
39h 14m2 stops
09:55 - 12:15BFS-SEA
34h 20m1 stop
Sat, 14 Dec - Sat, 21 Dec
21:36 - 21:50SEA-BFS
40h 14m3 stops
Mon, 30 Dec
18:50 - 07:30SEA-BFS
28h 40m2 stops
Mon, 30 Dec

Cheap State of Washington to Belfast Intl Airport flight deals and tips

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

Best price found

£357

Fastest flight time

15h 05m

Direct flights

None
The best one-way flight to Belfast Intl Airport from State of Washington in the past 72 hours is £357. The best return flight deal from State of Washington to Belfast Intl Airport found on momondo in the last 72 hours is £521.
The fastest flight from State of Washington to Belfast Intl Airport takes 15h 05m
There are no direct flights from State of Washington to Belfast Intl Airport. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Belfast Intl Airport and Portland Airport - Belfast Intl Airport.

  • When did momondo last update prices for flights from Washington to Belfast Intl Airport?

    Prices for flights from Washington to Belfast Intl Airport refresh daily.

  • How old do you have to be to fly from Washington to Belfast Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Belfast Intl Airport.

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

    The travel and health documents required for your trip to Belfast Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to State of Washington from Belfast Intl Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from State of Washington to Belfast Intl Airport 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 compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.


Why use momondo?

Why should I use momondo to find a flight deal from Washington to Belfast?

It is quick and easy to find Washington 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 Washington to Belfast with flexible booking policies on momondo?

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

How can momondo help me find flights from Washington to Belfast?

momondo helps you find the best flight between Washington and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Washington and alert you when they change.


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