Icelandair offers competitive solutions from the United Kingdom to Seattle with just one short layover in Reykjavik on the way. The cheapest flights are available from London for just £320 but you may also consider fairly priced return flights from Glasgow or Manchester. Icelandair is known for offering up to 3 days of free layover in Reykjavik (More details here) so it is a good choice to fly this carrier for those of you who are interested also in multi-city options from the UK to North America with a stop in Iceland…
Flying from: London Gatwick
Flying to: Seattle
Airline(s): Icelandair
Luggage: Handbag
Outbound travel dates: January to early May 2025
Max stay: You must complete all travel by the 15th of May 2025
Book by: Unknown
Booking sample
UK to Seattle from £345 (booking with the airline)
London to Iceland to Seattle from £404
Booking sample of cheap return Icelandair flights from the UK to Seattle for £320! In this case, you will book roundtrip tickets from London Gatwick to Seattle via Keflavik/Reykjavik. You will depart from the United Kingdom to the USA on the 10th of February. Your inbound flight from Seattle to the United Kingdom will be on the 17th of February 2025.
