Cheapest one-way flights from Chiang Mai to London in September from $164

AirHint found the following cheapest one-way flights from Chiang Mai (CNX) to London (LGW) in September 2026 (see full year).

One-Way flights

08 Sep Thai VietJet Air
20 Sep Thai AirAsia
29 Sep Thai VietJet Air
09 Sep Thai VietJet Air
06 Sep Malaysia Airlines

Also check the deals for return flights from Chiang Mai to London in September.

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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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