AirHint found the following cheapest return flights from Xi'an (XIY) to Chiang Mai (CNX) in December 2025 (see full year).

Return flights

19 Dec - 07 Jan	Spring Airlines	direct
24 Dec - 07 Jan	Spring Airlines	direct
24 Dec - 09 Jan	Spring Airlines	direct
12 Dec - 19 Dec	Spring Airlines	direct
12 Dec - 24 Dec	Spring Airlines	direct
19 Dec - 24 Dec	Spring Airlines	direct
12 Dec - 01 Jan	Spring Airlines	direct
19 Dec - 01 Jan	Spring Airlines	direct
24 Dec - 01 Jan	Spring Airlines	direct
19 Dec - 09 Jan	Spring Airlines
24 Dec - 24 Dec	AirAsia X

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

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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Cheapest return flights from Xi'an to Chiang Mai in December from $144

Return flights