Cheapest return flights from Bangkok to London in June from $606

AirHint found the following cheapest return flights from Bangkok (BKK) to London (LHR) in June 2025 (see full year).

Return flights

26 Jun - 02 Jul SWISS
15 Jun - 25 Jun Thai Lion Air
20 Jun - 30 Jun Shenzhen Airlines
30 Jun - 07 Jul Shenzhen Airlines
21 Jun - 25 Jun Shenzhen Airlines
18 Jun - 25 Jun Shenzhen Airlines
14 Jun - 20 Jun Thai AirAsia
17 Jun - 25 Jun Thai VietJet Air
15 Jun - 28 Jun Air China
17 Jun - 24 Jun Saudia
20 Jun - 24 Jun Shenzhen Airlines
16 Jun - 23 Jun Thai VietJet Air
27 Jun - 04 Jul Shenzhen Airlines
25 Jun - 02 Jul Shenzhen Airlines
18 Jun - 02 Jul Shenzhen Airlines
21 Jun - 05 Jul Shenzhen Airlines
18 Jun - 09 Jul Shenzhen Airlines
20 Jun - 04 Jul Shenzhen Airlines
17 Jun - 01 Jul China Eastern
15 Jun - 05 Jul Thai AirAsia

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

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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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