Cheapest return flights from Seattle to London in June from 882€

Best time to book flights for Seattle (SEA) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to London (LGW) in June 2025 (see full year).

Return flights

13 Jun - 15 Jun Icelandair
12 Jun - 19 Jun Icelandair
25 Jun - 30 Jun Icelandair
22 Jun - 04 Jul Icelandair
21 Jun - 05 Jul Icelandair
20 Jun - 07 Jul Icelandair
20 Jun - 06 Jul Icelandair

Also check the deals for one-way flights from Seattle to London in June.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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