Cheapest return flights from London to Bangkok in January from $542

AirHint found the following cheapest return flights from London (LHR) to Bangkok (BKK) in January 2026 (see full year).

Return flights

05 Jan - 01 Feb Hainan Airlines
19 Jan - 26 Jan Hainan Airlines
26 Jan - 02 Feb Hainan Airlines
12 Jan - 19 Jan Hainan Airlines
19 Jan - 09 Feb Hainan Airlines
05 Jan - 25 Jan Hainan Airlines
05 Jan - 26 Jan Hainan Airlines
05 Jan - 09 Feb Hainan Airlines
12 Jan - 02 Feb Hainan Airlines
12 Jan - 09 Feb Hainan Airlines
05 Jan - 18 Jan Hainan Airlines
16 Jan - 30 Jan Air China
09 Jan - 16 Jan Air China
17 Jan - 24 Jan Air China
18 Jan - 25 Jan Air China
20 Jan - 27 Jan Air China
08 Jan - 05 Feb Air China
10 Jan - 07 Feb Air China
11 Jan - 07 Feb Air China
11 Jan - 05 Feb Air China

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

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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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