Cheapest return flights from Bangkok to London in April from $718

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

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

Return flights

09 Apr - 23 Apr Royal Brunei
15 Apr - 20 Apr Royal Brunei
23 Apr - 18 May Royal Brunei
23 Apr - 04 May Royal Brunei
05 Apr - 21 Apr Vietnam Airlines
29 Apr - 13 May Vietnam Airlines
02 Apr - 05 May Vietnam Airlines
29 Apr - 15 May Vietnam Airlines
12 Apr - 20 Apr Royal Brunei
28 Apr - 13 May Vietnam Airlines
28 Apr - 12 May Vietnam Airlines
01 Apr - 21 Apr Vietnam Airlines
05 Apr - 20 Apr Vietnam Airlines
05 Apr - 23 Apr Vietnam Airlines
02 Apr - 20 Apr Vietnam Airlines
06 Apr - 14 Apr Vietnam Airlines
08 Apr - 23 Apr Vietnam Airlines
30 Apr - 10 May Finnair
04 Apr - 09 May Kuwait Airways
30 Apr - 14 May Kuwait Airways

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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