Cheapest return flights from Chiang Mai to London in December from 513€

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

Return flights

15 Dec - 06 Jan China Eastern
01 Dec - 06 Dec China Eastern
15 Dec - 05 Jan Thai Airways
08 Dec - 05 Jan Thai VietJet Air
13 Dec - 03 Jan Thai AirAsia
15 Dec - 15 Jan China Eastern
17 Dec - 01 Jan Thai AirAsia
01 Dec - 31 Dec Thai Airways
15 Dec - 30 Dec China Eastern
18 Dec - 05 Jan China Eastern
10 Dec - 05 Jan China Eastern
01 Dec - 03 Jan China Eastern
30 Dec - 20 Jan Thai AirAsia
12 Dec - 21 Dec China Eastern
01 Dec - 29 Dec China Eastern

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.