Cheapest return flights from Newark to Chiang Mai in September from $1139

AirHint found the following cheapest return flights from Newark (EWR) to Chiang Mai (CNX) in September 2025 (see full year).

Return flights

14 Sep - 29 Sep EVA Air

Also check the deals for one-way flights from Newark to Chiang Mai in September.

Skyscanner

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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