AirHint found the following cheapest return flights from Chiang Mai (CNX) to London (LHR) in April 2026 (see full year).
Return flights
| 02 Apr - 09 Apr | Thai AirAsia | ||
| 07 Apr - 23 Apr | Thai AirAsia | ||
| 07 Apr - 18 Apr | Malaysia Airlines | ||
| 07 Apr - 01 May | Malaysia Airlines |
Also check the deals for one-way flights from Chiang Mai to London in April.
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