Cheapest return flights from Chiang Mai to London in May from 644€

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

Return flights

24 May - 15 Jun Thai AirAsia
18 May - 01 Jun Thai AirAsia
22 May - 05 Jun Thai AirAsia
26 May - 09 Jun China Eastern
24 May - 07 Jun Thai AirAsia
17 May - 07 Jun Air China
31 May - 14 Jun Air China
29 May - 12 Jun Air China
23 May - 06 Jun China Eastern
10 May - 23 May Condor

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

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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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