Cheapest return flights from Chiang Mai to London in December from $747

AirHint found the following cheapest return flights from Chiang Mai (CNX) to London (STN) in December 2025 (see full year).

Return flights

21 Dec - 03 Jan Etihad Airways
23 Dec - 30 Dec Etihad Airways
20 Dec - 04 Jan Nok Air
27 Dec - 05 Jan Thai AirAsia
28 Dec - 01 Jan Etihad Airways
26 Dec - 05 Jan Thai AirAsia
15 Dec - 24 Dec Thai VietJet Air
24 Dec - 07 Jan Thai VietJet Air
23 Dec - 07 Jan Thai AirAsia
25 Dec - 05 Jan Thai AirAsia
11 Dec - 06 Jan Thai VietJet Air
11 Dec - 18 Dec T'way Air

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

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.