€567 Find Cheap Flights from Seattle to Belfast

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Find cheap flights from Seattle to Belfast starting at €567.

Book one-way or return flights from Seattle to Belfast from as little as €567. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Seattle to Belfast? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Seattle to Belfast. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from Seattle to Belfast

View airlines operating flights from Seattle to Belfast. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

WestJet

From €281

Icelandair

From €421

Delta Air Lines

From €562

British Airways

From €567

Lufthansa

From €572

Virgin Atlantic

From €602

Iberia

From €606

United Airlines

From €619

Air Tahiti Nui

From €642

Finnair

From €650

ANA airlines

Find more flights and airlines

Find cheap flights from Seattle to Belfast by different airports

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Seattle to Belfast.

Cheapest
SEA
07:00
40h 45m
2 transfer
BFS
07:45
Seattle-Tacoma International Airport - Belfast International Airport
Sat, May 25WestJet
€281
SEA
07:00
42h 5m
2 transfer
BHD
09:05
Seattle-Tacoma International Airport - George Best Belfast City Airport
Sat, May 25WestJet
€294
SEA
07:00
42h 5m
2 transfer
BHD
09:05
Seattle-Tacoma International Airport - George Best Belfast City Airport
Sat, May 25WestJet
€294
Find More Flights

Frequently Asked Questions

When are flight tickets from Seattle (SEA) to Belfast (BFS) the cheapest?
Airlines adjust prices for flights from Seattle to Belfast based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Seattle (SEA) to Belfast (BFS) cost?
According to Trip.com's data, the lowest price is around €1,591.
What is the transportation method from the main airport to downtown in Belfast?
- The distance from Belfast International Airport to downtown is about 19km. It takes about 30 minutes by taxi.
- The distance from George Best Belfast City Airport to downtown is about 4km. It takes about 20 minutes by taxi.

How to find a cheap flight from Seattle to Belfast

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Belfast. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

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