How much is a flight from Belfast to Seattle?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Belfast and Seattle.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Belfast - Seattle route.

Which airports serve Belfast and Seattle?

When planning a trip of about 7184 km, it's a good idea to check flights from surrounding airports too.

• Airports in Belfast: City is also an option alongside Belfast - International.
• Airports in Seattle: Seattle offers flights from 2 airports - Boeing Field, Lake Union.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Filter and compare flights from Belfast to Seattle

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Other popular destinations

Want more ideas for your trip to United States? Check these: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.