Cheapest one-way flights from London to Bangkok in April from $420

AirHint found the following cheapest one-way flights from London (LCY) to Bangkok (BKK) in April 2026 (see full year).

One-Way flights

21 Apr ITA Airways
16 Apr ITA Airways
11 Apr ITA Airways
14 Apr ITA Airways
03 Apr Lufthansa
29 Apr SWISS
22 Apr SWISS
07 Apr SWISS
28 Apr SWISS
09 Apr ITA Airways

Also check the deals for return 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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