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Cheap flights from Chicago to Chiang Mai from $431

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Chiang Mai departing on 9/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago to Chiang Mai (CHI-CNX)

Cheap round-trip flights

Logo
4:25 pm - 9:25 amORD-CNX
28h 00m2 stops
Logo
7:45 pm - 7:20 amCNX-ORD
24h 35m2 stops
$696
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Wed, Jan 21 - Wed, Feb 4
Cathay Pacific Logo
2:40 pm - 6:50 pmORD-CNX
39h 10m1 stop
Cathay Pacific Logo
10:35 am - 1:00 pmCNX-ORD
39h 25m1 stop
$717Cathay Pacific
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Tue, Nov 11 - Tue, Nov 25
Logo
4:25 pm - 9:25 amORD-CNX
28h 00m2 stops
Logo
7:45 pm - 7:20 amCNX-ORD
24h 35m2 stops
$725
Find Deal
Tue, Jan 20 - Tue, Feb 3
Logo
5:35 pm - 9:25 amORD-CNX
27h 50m2 stops
Logo
8:00 pm - 3:10 pmCNX-ORD
55h 10m2 stops
$734
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Tue, Oct 28 - Tue, Apr 28
Logo
4:25 pm - 9:25 amORD-CNX
28h 00m2 stops
Logo
7:45 pm - 7:20 amCNX-ORD
24h 35m2 stops
$746
Find Deal
Thu, Jan 22 - Thu, Feb 5
EVA Air Logo
12:30 am - 10:35 amORD-CNX
22h 05m1 stop
EVA Air Logo
11:35 am - 9:00 pmCNX-ORD
21h 25m1 stop
$974EVA Air
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Mon, Oct 27 - Tue, Apr 28
EVA Air Logo
11:30 pm - 10:35 amORD-CNX
22h 05m1 stop
EVA Air Logo
11:50 am - 7:35 pmCNX-ORD
20h 45m1 stop
$982EVA Air
Find Deal
Tue, Jan 20 - Thu, Feb 5
Delta Logo
7:30 am - 11:05 pmORD-CNX
26h 35m2 stops
Delta Logo
12:15 am - 8:40 amCNX-ORD
21h 25m1 stop
$1,018Delta
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Thu, Jan 22 - Wed, Feb 4
Delta Logo
11:25 am - 11:05 pmORD-CNX
22h 40m1 stop
Delta Logo
12:15 am - 11:44 pmCNX-ORD
36h 29m2 stops
$1,024Delta
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Thu, Jan 22 - Mon, Feb 2
Korean Air Logo
11:05 am - 11:05 pmORD-CNX
23h 00m1 stop
Korean Air Logo
12:15 am - 8:30 amCNX-ORD
21h 15m1 stop
$1,047Korean Air
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Mon, Nov 10 - Wed, Nov 19

EVA Air flights from Chicago to Chiang Mai

Our best EVA Air deals on Chicago to Chiang Mai flight tickets
EVA Air
Oct 27
ORD12:30 amChicago O'Hare Intl
22h 05m
1 stop
CNX10:35 amChiang Mai
Apr 28
CNX11:35 amChiang Mai
21h 25m
1 stop
ORD9:00 pmChicago O'Hare Intl
$974
Find similar
EVA Air
Jan 20
ORD11:30 pmChicago O'Hare Intl
22h 05m
1 stop
CNX10:35 amChiang Mai
Feb 5
CNX11:50 amChiang Mai
20h 45m
1 stop
ORD7:35 pmChicago O'Hare Intl
$982
Find similar
EVA Air
Oct 27
ORD12:30 amChicago O'Hare Intl
22h 05m
1 stop
CNX10:35 amChiang Mai
Apr 27
CNX11:35 amChiang Mai
21h 25m
1 stop
ORD9:00 pmChicago O'Hare Intl
$1,001
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Cathay Pacific flights from Chicago to Chiang Mai

Our best Cathay Pacific deals on Chicago to Chiang Mai flight tickets
Cathay Pacific
Nov 11
ORD2:40 pmChicago O'Hare Intl
39h 10m
1 stop
CNX6:50 pmChiang Mai
Nov 25
CNX10:35 amChiang Mai
39h 25m
1 stop
ORD1:00 pmChicago O'Hare Intl
$717
Find similar
Cathay Pacific
Jan 21
ORD2:40 pmChicago O'Hare Intl
30h 10m
1 stop
CNX9:50 amChiang Mai
Feb 4
CNX7:40 pmChiang Mai
30h 20m
1 stop
ORD1:00 pmChicago O'Hare Intl
$793
Find similar
Cathay Pacific
Jan 23
ORD2:40 pmChicago O'Hare Intl
30h 10m
1 stop
CNX9:50 amChiang Mai
Feb 4
CNX10:35 amChiang Mai
39h 25m
1 stop
ORD1:00 pmChicago O'Hare Intl
$859
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Chicago to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 1/21

4:25 pm-9:25 am

2 stops28h 00m

Chiang Mai

Wed 2/4

7:45 pm-7:20 am

2 stops24h 35m

$696

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 11/11

2:40 pm-6:50 pm

1 stop39h 10m

Chiang Mai

Tue 11/25

10:35 am-1:00 pm

1 stop39h 25m

$717

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 1/20

4:25 pm-9:25 am

2 stops28h 00m

Chiang Mai

Tue 2/3

7:45 pm-7:20 am

2 stops24h 35m

$725

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 10/28

5:35 pm-9:25 am

2 stops27h 50m

Chiang Mai

Tue 4/28

8:00 pm-3:10 pm

2 stops55h 10m

$734

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 1/22

4:25 pm-9:25 am

2 stops28h 00m

Chiang Mai

Thu 2/5

7:45 pm-7:20 am

2 stops24h 35m

$746

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 10/27

12:30 am-10:35 am

1 stop22h 05m

Chiang Mai

Tue 4/28

11:35 am-9:00 pm

1 stop21h 25m

$974

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 1/20

11:30 pm-10:35 am

1 stop22h 05m

Chiang Mai

Thu 2/5

11:50 am-7:35 pm

1 stop20h 45m

$982

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 1/22

7:30 am-11:05 pm

2 stops26h 35m

Chiang Mai

Wed 2/4

12:15 am-8:40 am

1 stop21h 25m

$1,018

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 1/22

11:25 am-11:05 pm

1 stop22h 40m

Chiang Mai

Mon 2/2

12:15 am-11:44 pm

2 stops36h 29m

$1,024

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 11/10

11:05 am-11:05 pm

1 stop23h 00m

Chiang Mai

Wed 11/19

12:15 am-8:30 am

1 stop21h 15m

$1,047

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chiang Mai from

How to get the cheapest flight ticket from Chicago to Chiang Mai

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in April, then you should wait until September to fly from Chicago, when ticket prices are also cheap, with an average price of $1,021.

What is the cheapest day to depart on your flight to Chiang Mai?

The cheapest day to depart from Chicago to Chiang Mai is on a Tuesday. Travelers who choose to depart for Chiang Mai on a Tuesday will often find tickets for as low as $1,108. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Chiang Mai for around $1,515.

What is the cheapest time of day to depart on your flight to Chiang Mai?

Flying to Chiang Mai from Chicago in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,231 when looking at flights departing in the evening. Flights to Chiang Mai are more costly in the morning, with an average ticket price of $1,392. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Chiang Mai?

You are more likely to see cheaper flights to Chiang Mai from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Chiang Mai for around $1,328 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chiang Mai from Chicago for as low as $1,034 on momondo.

When to book flights from Chicago to Chiang Mai

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Chiang Mai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Chiang Mai (CHI to CNX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Chiang Mai

Direct flights

None
There are no direct flights from Chicago to Chiang Mai. There are no popular flight routes from Chicago to Chiang Mai.
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  • How far is Chicago to Chiang Mai by plane?

    There are 8218.4 mi between Chicago and Chiang Mai. 22h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago to Chiang Mai Airport?

    Prices for flights from Chicago to Chiang Mai Airport are updated daily.

  • How many operators does momondo search for flights from Chicago to Chiang Mai Airport?

  • How old do you have to be to fly from Chicago to Chiang Mai Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Chiang Mai Airport.

  • What documentation or ID do you need to fly to Chiang Mai Airport?

    The necessary travel and health documents for your Chiang Mai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chicago to Chiang Mai?

Best airlines flying from Chicago to Chiang Mai

Compare and see reviews for airlines that fly from Chicago to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
Cathay PacificPriceFrom $933Free CancellationRating
7.6
974 reviews
Search Cathay Pacific flights
Korean AirPriceFrom $965Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights
EVA AirPriceFrom $982Free CancellationRating
8.4
1,232 reviews
Search EVA Air flights
DeltaPriceFrom $1,059Free CancellationRating
7.9
7,981 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Chiang Mai?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Chiang Mai for you.

Can I find flights from Chicago to Chiang Mai with flexible booking policies on momondo?

Yes. All flights to Chiang Mai from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Chiang Mai?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chiang Mai from Chicago.

I’m not ready to book a flight from Chicago to Chiang Mai right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chiang Mai from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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