Find out what a flight from Seattle to Belfast might cost

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

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Which airports are most convenient between Seattle and Belfast?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Seattle: There are 2 airports in Seattle - Boeing Field, Lake Union.
• Airports in Belfast: City is also worth considering.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Find flights from Seattle to Belfast that suit your schedule

Use Jetcost to sort and filter results based on your preferred flight time, number of stops, price range, or airline. View deals from the best airlines and travel agencies.

Other popular destinations

Interested in United Kingdom? These cities are also in demand: Edinburgh, Glasgow, London, Manchester, Newquay.

Connecting flights can be cheaper but often mean longer layovers. You can easily select either direct or connecting flights with a single click using the filters.