Cheapest return flights from London to Bangkok in April from $651

Best time to book flights for London (LHR) to Bangkok (BKK) flights at AirHint

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

Return flights

19 Apr - 28 Apr Air China
24 Apr - 06 May Austrian Airlines
06 Apr - 16 Apr Austrian Airlines
06 Apr - 22 Apr Austrian Airlines
18 Apr - 28 Apr Saudia
24 Apr - 04 May Austrian Airlines
24 Apr - 07 May Austrian Airlines
06 Apr - 28 Apr Austrian Airlines
22 Apr - 13 May KLM
30 Apr - 17 May Saudia
10 Apr - 22 Apr Austrian Airlines
10 Apr - 30 Apr Austrian Airlines
10 Apr - 23 Apr Austrian Airlines
14 Apr - 24 Apr Saudia
16 Apr - 26 Apr Saudia
21 Apr - 03 May Saudia
30 Apr - 03 May Saudia
24 Apr - 01 May Saudia
23 Apr - 01 May Saudia
23 Apr - 03 May Saudia

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

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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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