Cheapest return flights from Chiang Mai to London in March from 617€

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

Return flights

05 Mar - 12 Mar Thai Lion Air
28 Mar - 17 Apr Air China
15 Mar - 31 Mar Thai AirAsia
02 Mar - 09 Mar Malaysia Airlines
02 Mar - 17 Mar Cathay Pacific
01 Mar - 17 Mar Malaysia Airlines
04 Mar - 18 Mar Cathay Pacific
05 Mar - 11 Apr China Southern
02 Mar - 20 Mar Thai Airways
01 Mar - 20 Mar Thai Airways
02 Mar - 09 Apr China Southern
01 Mar - 09 Apr China Southern

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

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