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Cheap flights from Belfast to Seattle from £612

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Seattle departing on 9/5. 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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0 bags
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Find the cheapest flights from Belfast to Seattle

Cheap return flights

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

Cheap last-minute flights

Planning a quick getaway from Belfast to Seattle? 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 Seattle, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Belfast to Seattle

Find recent round-trip train or bus tickets from Belfast to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
07:00 - 20:40BHD-SEA
21h 40m2 stops
19:00 - 20:25SEA-BHD
17h 25m2 stops
Fri, 9 May - Fri, 30 May
09:05 - 20:40BFS-SEA
19h 35m2 stops
19:00 - 09:20SEA-BFS
30h 20m2 stops
Fri, 9 May - Fri, 30 May
06:30 - 15:55BHD-SEA
17h 25m1 stop
17:35 - 21:15SEA-BHD
19h 40m1 stop
£678KLM
Find Deal
Thu, 8 May - Thu, 29 May
06:30 - 11:40BHD-SEA
13h 10m1 stop
17:30 - 16:55SEA-BHD
15h 25m1 stop
£680KLM
Find Deal
Thu, 8 May - Thu, 29 May
06:30 - 23:25BHD-SEA
24h 55m2 stops
17:35 - 21:20SEA-BHD
19h 45m1 stop
£689Air France
Find Deal
Thu, 8 May - Thu, 29 May
06:30 - 23:25BHD-SEA
24h 55m2 stops
17:35 - 21:20SEA-BHD
19h 45m1 stop
£699Virgin Atlantic
Find Deal
Thu, 8 May - Thu, 29 May
06:30 - 23:25BHD-SEA
24h 55m2 stops
17:35 - 21:20SEA-BHD
19h 45m1 stop
£700Virgin Atlantic
Find Deal
Thu, 8 May - Thu, 29 May
06:30 - 11:40BHD-SEA
13h 10m1 stop
09:50 - 16:55SEA-BHD
23h 05m2 stops
£702Delta
Find Deal
Thu, 8 May - Thu, 29 May
06:30 - 18:34BHD-SEA
20h 04m2 stops
09:50 - 16:55SEA-BHD
23h 05m2 stops
£710Delta
Find Deal
Thu, 8 May - Thu, 29 May
06:30 - 15:55BHD-SEA
17h 25m1 stop
17:35 - 16:50SEA-BHD
15h 15m1 stop
£713Air France
Find Deal
Fri, 9 May - Fri, 30 May
BF1-SEA
4471 mimulti-stop
Multiple Airlines
Find Deal

KLM flights from Belfast to Seattle

Our best KLM deals on Belfast to Seattle flight tickets
KLM
8 May
BHD06:30Belfast City
17h 25m
1 stop
SEA15:55Seattle/Tacoma Intl
29 May
SEA17:35Seattle/Tacoma Intl
19h 40m
1 stop
BHD21:15Belfast City
KLM
8 May
BHD06:30Belfast City
13h 10m
1 stop
SEA11:40Seattle/Tacoma Intl
29 May
SEA17:30Seattle/Tacoma Intl
15h 25m
1 stop
BHD16:55Belfast City
KLM
9 May
BHD17:20Belfast City
26h 20m
1 stop
SEA11:40Seattle/Tacoma Intl
30 May
SEA17:30Seattle/Tacoma Intl
19h 50m
1 stop
BHD21:20Belfast City

Virgin Atlantic flights from Belfast to Seattle

Our best Virgin Atlantic deals on Belfast to Seattle flight tickets
Virgin Atlantic
8 May
BHD06:30Belfast City
24h 55m
2 stops
SEA23:25Seattle/Tacoma Intl
29 May
SEA17:35Seattle/Tacoma Intl
19h 45m
1 stop
BHD21:20Belfast City
Virgin Atlantic
8 May
BHD06:30Belfast City
24h 55m
2 stops
SEA23:25Seattle/Tacoma Intl
29 May
SEA17:35Seattle/Tacoma Intl
19h 45m
1 stop
BHD21:20Belfast City
Virgin Atlantic
9 May
BHD06:30Belfast City
13h 10m
1 stop
SEA11:40Seattle/Tacoma Intl
30 May
SEA17:35Seattle/Tacoma Intl
15h 15m
1 stop
BHD16:50Belfast City

See travel insights to Seattle from

How to get the cheapest flight ticket from Belfast to Seattle

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 time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from Belfast to Seattle at midday for as low as £0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive, with an average ticket price of £687.

Cheap Belfast to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Seattle

Best price found

£612

Fastest flight time

12h 45m

Direct flights

None

Airports in Seattle

1 airport
The best flight deal from Belfast to Seattle found on momondo in the last 72 hours is £612
The fastest flight from Belfast to Seattle takes 12h 45m
There are no direct flights from Belfast to Seattle. Popular non-direct routes for this connection are Belfast City Airport - Seattle/Tacoma Intl Airport and Belfast Intl Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Belfast to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 4463.0 mi away from Belfast. By plane, this route typically takes 12h 45m.

  • When did momondo last update prices for flights from Belfast to Seattle/Tacoma Intl Airport?

    Prices for flights from Belfast to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Belfast to Seattle/Tacoma Intl Airport?

    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 Belfast to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma 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 Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Belfast to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Belfast which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Seattle from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Seattle from Belfast. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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