Cheapest return flights from Chiang Mai to London in January from 640€

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

Return flights

27 Jan - 10 Feb Thai VietJet Air
23 Jan - 30 Jan Thai VietJet Air
25 Jan - 02 Feb China Eastern

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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