Cheapest return flights from Bangkok to London in April from 481€

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

Return flights

02 Apr - 22 Apr Hainan Airlines
05 Apr - 19 Apr Hainan Airlines
02 Apr - 09 Apr Hainan Airlines
05 Apr - 08 Apr Hainan Airlines
02 Apr - 29 Apr Hainan Airlines
30 Apr - 12 May Hainan Airlines
02 Apr - 20 Apr Hainan Airlines
05 Apr - 20 Apr Hainan Airlines
05 Apr - 28 May Hainan Airlines
30 Apr - 31 May Hainan Airlines
30 Apr - 04 May Hainan Airlines
26 Apr - 02 May Hainan Airlines
30 Apr - 27 May Hainan Airlines
02 Apr - 25 Apr Hainan Airlines
21 Apr - 05 May Thai VietJet Air
02 Apr - 16 Apr Hainan Airlines
24 Apr - 04 May Oman Air
20 Apr - 30 Apr Thai VietJet Air
01 Apr - 08 May Thai AirAsia
27 Apr - 26 May Thai VietJet Air

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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