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 March , April 2025

25 Mar - 09 Apr $ 1,065.00
CHI
Chicago
Cathay Pacific
2 STOPS
CEI
Chiang Rai
CEI
Chiang Rai
Cathay Pacific
2 STOPS
CHI
Chicago
Pick dates
15 Mar - 09 Apr $ 3,969.00
CHI
Chicago
Qatar Airways
2 STOPS
CEI
Chiang Rai
CEI
Chiang Rai
Qatar Airways
2 STOPS
CHI
Chicago
Pick dates
14 Mar - 09 Apr $ 3,973.00
CHI
Chicago
Qatar Airways
2 STOPS
CEI
Chiang Rai
CEI
Chiang Rai
Qatar Airways
2 STOPS
CHI
Chicago
Pick dates

Last minute flights from Chicago to Chiang Rai

24 Mar - 01 Apr $ 1,090.00
CHI
Chicago
Cathay Pacific
2 STOPS
CEI
Chiang Rai
CEI
Chiang Rai
Cathay Pacific
2 STOPS
CHI
Chicago
Pick dates
24 Mar - 01 Apr $ 1,100.00
CHI
Chicago
Cathay Pacific
2 STOPS
CEI
Chiang Rai
CEI
Chiang Rai
Cathay Pacific
2 STOPS
CHI
Chicago
Pick dates
24 Mar - 01 Apr $ 1,121.00
CHI
Chicago
Cathay Pacific
2 STOPS
CEI
Chiang Rai
CEI
Chiang Rai
Cathay Pacific
2 STOPS
CHI
Chicago
Pick dates

One-way flights to Chiang Rai from Chicago

12:00 PM - 6:10 AM
Nok Air
2 Stops
31h 25m
CHI - CEI
$ 566
Kiwi
Pick dates
7:50 PM - 8:10 AM
Thai Airways
2 Stops
25h 50m
CHI - CEI
$ 2,687
Kiwi
Pick dates
7:50 PM - 8:10 AM
Thai Airways
2 Stops
25h 50m
CHI - CEI
$ 2,690
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.