Earn point on your loyalty program!arrow arc left

Cheap flights from Chicago (CHI) to Chiang Rai (CEI)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Chicago (CHI) to Chiang Rai (CEI)

How to find the cheapest flight from Chicago (CHI) to Chiang Rai (CEI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Chiang Rai (CEI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Chiang Rai (CEI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Chicago to Chiang Rai in September , October 2026

29 Sep - 06 Oct $ 1,048.00
CHI
Chicago
Etihad Airways
2 STOPS
CEI
Chiang Rai
CEI
Chiang Rai
Etihad Airways
2 STOPS
CHI
Chicago
Pick dates
15 Sep - 02 Oct $ 1,376.00
CHI
Chicago
Air Canada
2 STOPS
CEI
Chiang Rai
CEI
Chiang Rai
Air Canada
2 STOPS
CHI
Chicago
Pick dates
13 Sep - 02 Oct $ 1,425.00
CHI
Chicago
Air Canada
2 STOPS
CEI
Chiang Rai
CEI
Chiang Rai
Air Canada
2 STOPS
CHI
Chicago
Pick dates

Last minute flights from Chicago to Chiang Rai

20 Sep - 01 Oct $ 1,064.00
CHI
Chicago
Etihad Airways
2 STOPS
CEI
Chiang Rai
CEI
Chiang Rai
Etihad Airways
2 STOPS
CHI
Chicago
Pick dates
15 Sep - 01 Oct $ 1,697.00
CHI
Chicago
EVA Air
2 STOPS
CEI
Chiang Rai
CEI
Chiang Rai
EVA Air
2 STOPS
CHI
Chicago
Pick dates
15 Sep - 01 Oct $ 10,887.00
CHI
Chicago
Etihad Airways
2 STOPS
CEI
Chiang Rai
CEI
Chiang Rai
Etihad Airways
2 STOPS
CHI
Chicago
Pick dates

One-way flights to Chiang Rai from Chicago

4:15 PM - 6:30 AM
Thai Vietjet
2 Stops
27h 40m
CHI - CEI
$ 539
Kiwi
Pick dates
12:30 AM - 8:05 AM
EVA Air
2 Stops
45h 10m
CHI - CEI
$ 661
Kiwi
Pick dates
4:20 PM - 11:35 AM
EVA Air
2 Stops
32h 50m
CHI - CEI
$ 5,769
Kiwi
Pick dates

How to find the cheapest flight from Chicago (CHI) to Chiang Rai (CEI)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Chiang Rai (CEI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Chiang Rai (CEI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.