Cheap Flights from Seattle (SEA) to Belfast (BFS)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Belfast International Airport (BFS)

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Find the cheapest month to fly from Seattle (SEA) to Belfast (BFS)

January is typically the cheapest month to fly

From CA $872 - CA $1,518 per traveller.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Belfast Intl. Airport (BFS)?
Start packing your bags, because round-trip flights from SEA to Belfast International Airport start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to BFS?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Sea-Tac Airport to Belfast Intl. Airport (BFS) that have flexible change policies?
Flights from SEA to Belfast Intl. Airport (BFS) with flexible change policies are available with many carriers. Simply use our "No change fees" filter during your search. You'll only need to cover the fare difference, with no additional fees to worry about.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to BFS?
SeaTac to Crumlin is around 7,200 kilometres, so be prepared to spend quite a while in the air. Don't forget to pack all the essentials, from your earplugs to your eye mask. Throw in some snacks to munch on throughout your flight too.
Which airlines fly direct from Sea-Tac Airport to Belfast International Airport?
Right now, no airlines offer direct flights from SEA to BFS. You'll need to book a flight with at least one stop. To score the best connections and price, lock in your airfare ahead of time.
Are Seattle - Tacoma Intl. Airport (SEA) to BFS flight tickets cheaper when they're purchased at the last minute?
It is possible to nab an awesome last-minute deal from SEA to Belfast Intl. Airport (BFS), but it's also possible to miss out entirely! As many airlines advertise prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares air carrier prices and updates flight deals often, so you can rest assured you're always getting the latest offers.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Belfast Intl.
Distance
7141 km

Book with confidence

Seattle to Crumlin Flights

The easy way to book your flights from Seattle to Belfast 

With Expedia, it’s simple to find and book flights to Belfast from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Belfast Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Belfast today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Belfast Intl., BFS 

Sort your search results by price to find great deals on your flight from Seattle to Belfast—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Belfast from Seattle currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Belfast  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Belfast from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Belfast with Expedia today.

Seattle to Crumlin Flights
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