How much is a ticket from Seattle to Londonderry?

Depending on when you travel and how far in advance you book, fares between Seattle and Londonderry can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Which airports serve Seattle and Londonderry?

When planning a trip of about 4419 mi, it's a good idea to check flights from surrounding airports too.

• Airports in Seattle: Seattle is connected to 2 airports - Boeing Field, Lake Union.
• Airports in Londonderry: The only active airport in Londonderry is Londonderry.

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.

Find the best flight from Seattle to Londonderry

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from Ryanair, Easyjet, British Airways, and more.

Other popular destinations

Searching for flights to United Kingdom? Travelers also looked at: Edinburgh, Glasgow, London, Manchester, Newquay.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Seattle – Londonderry flights.