Cheapest return flights from London to Chiang Mai in April from $473

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

Return flights

20 Apr - 12 May Air China
22 Apr - 12 May Air China
08 Apr - 02 May Air China
09 Apr - 20 May China Eastern
14 Apr - 12 May China Eastern
25 Apr - 24 May China Eastern
26 Apr - 10 May China Eastern
17 Apr - 20 May China Eastern
17 Apr - 21 May China Eastern
15 Apr - 21 May China Eastern
06 Apr - 20 Apr Air China
09 Apr - 23 Apr China Eastern
15 Apr - 28 Apr China Eastern
14 Apr - 28 Apr China Eastern
20 Apr - 27 Apr China Eastern
16 Apr - 30 Apr China Eastern
16 Apr - 29 Apr China Eastern
22 Apr - 29 Apr China Eastern
17 Apr - 27 Apr China Eastern
08 Apr - 29 Apr Air China

Also check the deals for one-way flights from London to Chiang Mai in April.

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