Cheapest one-way flights from Chiang Mai to London in April from $340

AirHint found the following cheapest one-way flights from Chiang Mai (CNX) to London (LGW) in April 2026 (see full year).

One-Way flights

25 Apr Etihad Airways
21 Apr Etihad Airways
26 Apr Etihad Airways
12 Apr Etihad Airways
11 Apr Etihad Airways
06 Apr Nok Air

Also check the deals for return flights from Chiang Mai 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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