Cheapest return flights from Bangkok to London in April from $662

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

Return flights

30 Apr - 06 May Hainan Airlines
26 Apr - 14 May Hainan Airlines
15 Apr - 28 Apr Hainan Airlines
02 Apr - 24 Apr Hainan Airlines
02 Apr - 07 Apr IndiGo
02 Apr - 25 Apr IndiGo
02 Apr - 19 Apr Hainan Airlines
03 Apr - 07 Apr IndiGo
01 Apr - 10 Apr IndiGo
21 Apr - 05 May Thai AirAsia
02 Apr - 15 Apr IndiGo
26 Apr - 10 May Hainan Airlines
19 Apr - 11 May Hainan Airlines
02 Apr - 10 May Hainan Airlines
03 Apr - 08 Apr Thai VietJet Air
02 Apr - 23 Apr Hainan Airlines
01 Apr - 04 May IndiGo
03 Apr - 10 May IndiGo
29 Apr - 05 May Vietnam Airlines
28 Apr - 14 May Malaysia Airlines

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