Cheapest return flights from London to Bangkok in April from $813

AirHint found the following cheapest return flights from London (LCY) to Bangkok (DMK) in April 2026 (see full year).

Return flights

21 Apr - 24 May SWISS
22 Apr - 19 May SWISS
17 Apr - 18 May Lufthansa
06 Apr - 08 May ITA Airways
08 Apr - 23 Apr SWISS
13 Apr - 17 May KLM
06 Apr - 20 Apr KLM
08 Apr - 20 Apr KLM
05 Apr - 01 May SWISS
10 Apr - 26 Apr SWISS
06 Apr - 14 Apr KLM
08 Apr - 14 Apr KLM
05 Apr - 14 Apr KLM
09 Apr - 16 Apr SWISS
05 Apr - 12 Apr KLM
12 Apr - 17 Apr SWISS

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

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