Cheap flights from London, UK to Seattle, USA for only £339 roundtrip with Icelandair
- Route
- London, UK → Seattle, USA
- Price
- £339 roundtrip
- Airline
- Icelandair
- Cabin
- Economy
- Stops
- Reykjavik
- Availability
- November 2026 to March 2027, excluding Christmas/New Year
- Posted
- Oct 4, 2026
Cheap flights from London, UK to Seattle, USA for only £339 roundtrip with Icelandair via Reykjavik. November 2026 to March 2027, excluding Christmas/New Year.