Cheapest return flights from Seattle to London in June from 806€

AirHint found the following cheapest return flights from Seattle (SEA) to London (LHR) in June 2026 (see full year).

Return flights

30 Jun - 07 Jul Scandinavian Airlines
07 Jun - 21 Jun Scandinavian Airlines
24 Jun - 01 Jul Scandinavian Airlines
15 Jun - 23 Jun British Airways direct
24 Jun - 01 Jul British Airways direct
22 Jun - 03 Jul British Airways direct
30 Jun - 07 Jul British Airways direct
25 Jun - 08 Jul Scandinavian Airlines
12 Jun - 26 Jun Scandinavian Airlines
25 Jun - 08 Jul British Airways direct
15 Jun - 29 Jun British Airways direct
12 Jun - 26 Jun British Airways direct
11 Jun - 30 Jun British Airways direct
24 Jun - 09 Jul Air France
24 Jun - 09 Jul Delta direct

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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