Cheapest return flights from Chiang Mai to London in January from $703

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

Return flights

24 Jan - 19 Feb Thai AirAsia
24 Jan - 31 Jan Thai AirAsia
29 Jan - 18 Feb Etihad Airways
29 Jan - 23 Feb Etihad Airways
11 Jan - 25 Jan Cathay Pacific
17 Jan - 24 Jan China Southern
03 Jan - 10 Jan Etihad Airways

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

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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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