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Cheap flights from Chiang Mai to Chicago from $620

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chiang Mai to Chicago departing on 11/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chiang Mai to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:35 am - 8:45 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
26h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:30 am - 11:25 pmORD  Chicago O'Hare Intl-CNX Chiang Mai
34h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
$974Multiple Airlines
Mon, Sep 21 - Sun, Sep 27
Multiple Airlines Logo
6:35 am - 8:45 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
26h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:30 am - 11:20 amORD  Chicago O'Hare Intl-CNX Chiang Mai
46h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
$983Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
8:00 am - 8:45 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
48h 45m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:30 am - 7:25 amORD  Chicago O'Hare Intl-CNX Chiang Mai
42h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
$1,000Multiple Airlines
Tue, Sep 1 - Tue, Sep 29
Multiple Airlines Logo
9:35 am - 8:45 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
23h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
4:15 pm - 6:40 pmORD  Chicago O'Hare Intl-CNX Chiang Mai
38h 25m1 stop Hong Kong Intl
$1,162Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
8:00 am - 8:45 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
24h 45m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
5:45 pm - 9:20 amORD  Chicago O'Hare Intl-CNX Chiang Mai
27h 35m2 stops Tokyo Haneda Bangkok Suvarnabhumi
$1,193Multiple Airlines
Tue, Sep 1 - Wed, Sep 30
Air Canada Logo
11:30 am - 2:43 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
39h 13m2 stops Singapore Changi Vancouver Intl
Air Canada Logo
3:40 pm - 8:45 amORD  Chicago O'Hare Intl-CNX Chiang Mai
29h 05m2 stops Vancouver Intl Bangkok Suvarnabhumi
$1,198Air Canada
Wed, Sep 16 - Sat, Sep 19
Air Canada Logo
11:30 am - 2:43 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
39h 13m2 stops Singapore Changi Vancouver Intl
Air Canada Logo
3:40 pm - 8:45 amORD  Chicago O'Hare Intl-CNX Chiang Mai
29h 05m2 stops Vancouver Intl Bangkok Suvarnabhumi
$1,201Air Canada
Wed, Sep 16 - Sat, Sep 19
Air Canada Logo
11:30 am - 2:43 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
39h 13m2 stops Singapore Changi Vancouver Intl
Air Canada Logo
3:40 pm - 8:45 amORD  Chicago O'Hare Intl-CNX Chiang Mai
29h 05m2 stops Vancouver Intl Bangkok Suvarnabhumi
$1,203Air Canada
Wed, Sep 16 - Sat, Sep 19
EVA Air Logo
11:35 am - 8:45 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
21h 10m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:30 pm - 10:35 amORD  Chicago O'Hare Intl-CNX Chiang Mai
22h 05m1 stop Taipei City Taiwan Taoyuan Intl
$1,247EVA Air
Tue, Oct 6 - Tue, Nov 3
EVA Air Logo
11:35 am - 8:45 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
21h 10m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:30 pm - 10:35 amORD  Chicago O'Hare Intl-CNX Chiang Mai
22h 05m1 stop Taipei City Taiwan Taoyuan Intl
$1,248EVA Air
Tue, Oct 6 - Tue, Nov 3

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Korean Air flights from Chiang Mai to Chicago O'Hare Intl Airport

Our best Korean Air deals on Chiang Mai to Chicago O'Hare Intl Airport flight tickets
Korean Air
Oct 6
CNX9:45 pmChiang Mai
23h 45m
1 stop
ORD9:30 amChicago O'Hare Intl
Nov 3
ORD11:15 amChicago O'Hare Intl
22h 40m
1 stop
CNX10:55 pmChiang Mai
$1,359
Korean Air
Oct 30
CNX12:15 amChiang Mai
21h 15m
1 stop
ORD9:30 amChicago O'Hare Intl
Oct 31
ORD12:15 pmChicago O'Hare Intl
22h 40m
1 stop
CNX10:55 pmChiang Mai
$1,405
Korean Air
Oct 6
CNX9:45 pmChiang Mai
37h 49m
2 stops
ORD11:34 pmChicago O'Hare Intl
Nov 3
ORD11:15 amChicago O'Hare Intl
22h 40m
1 stop
CNX10:55 pmChiang Mai
$1,411

Cathay Pacific flights from Chiang Mai to Chicago O'Hare Intl Airport

Our best Cathay Pacific deals on Chiang Mai to Chicago O'Hare Intl Airport flight tickets
Cathay Pacific
Sep 21
CNX7:25 pmChiang Mai
30h 30m
1 stop
ORD1:55 pmChicago O'Hare Intl
Sep 23
ORD4:15 pmChicago O'Hare Intl
29h 30m
1 stop
CNX9:45 amChiang Mai
$1,884
Cathay Pacific
Sep 21
CNX7:25 pmChiang Mai
30h 30m
1 stop
ORD1:55 pmChicago O'Hare Intl
Sep 23
ORD4:15 pmChicago O'Hare Intl
29h 05m
2 stops
CNX9:20 amChiang Mai
$2,181
Cathay Pacific
Nov 3
CNX7:40 pmChiang Mai
30h 15m
1 stop
ORD12:55 pmChicago O'Hare Intl
Nov 17
ORD2:35 pmChicago O'Hare Intl
39h 20m
1 stop
CNX6:55 pmChiang Mai
$4,170

momondo Fare Finder

 
Customize your flight search to find flights from Chiang Mai to Chicago O'Hare Intl Airport 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 9, 2026.
Use the filters below to find and compare flights from Chiang Mai to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Mon 9/21

6:35 am-8:45 pm

2 stops26h 10m

Chicago O'Hare Intl

Sun 9/27

12:30 am-11:25 pm

2 stops34h 55m

$974

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Thu 9/10

6:35 am-8:45 pm

2 stops26h 10m

Chicago O'Hare Intl

Wed 9/16

12:30 am-11:20 am

2 stops46h 50m

$983

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Tue 9/1

8:00 am-8:45 pm

2 stops48h 45m

Chicago O'Hare Intl

Tue 9/29

12:30 am-7:25 am

2 stops42h 55m

$1,000

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Thu 9/10

9:35 am-8:45 pm

2 stops23h 10m

Chicago O'Hare Intl

Thu 9/17

4:15 pm-6:40 pm

1 stop38h 25m

$1,162

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Tue 9/1

8:00 am-8:45 pm

2 stops24h 45m

Chicago O'Hare Intl

Wed 9/30

5:45 pm-9:20 am

2 stops27h 35m

$1,193

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Wed 9/16

11:30 am-2:43 pm

2 stops39h 13m

Chicago O'Hare Intl

Sat 9/19

3:40 pm-8:45 am

2 stops29h 05m

$1,198

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Wed 9/16

11:30 am-2:43 pm

2 stops39h 13m

Chicago O'Hare Intl

Sat 9/19

3:40 pm-8:45 am

2 stops29h 05m

$1,201

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Wed 9/16

11:30 am-2:43 pm

2 stops39h 13m

Chicago O'Hare Intl

Sat 9/19

3:40 pm-8:45 am

2 stops29h 05m

$1,203
Quickest round-trip

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Tue 10/6

11:35 am-8:45 pm

1 stop21h 10m

Chicago O'Hare Intl

Tue 11/3

11:30 pm-10:35 am

1 stop22h 05m

$1,247

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Tue 10/6

11:35 am-8:45 pm

1 stop21h 10m

Chicago O'Hare Intl

Tue 11/3

11:30 pm-10:35 am

1 stop22h 05m

$1,248

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chiang Mai to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Chiang Mai averaging around $0.

Can stopping save me money on Chiang Mai to Chicago O'Hare Intl Airport flights?

You could potentially save up to 26% on your flight if you consider stops on a Chiang Mai to Chicago O'Hare Intl Airport flight.

When to book flights from Chiang Mai to Chicago O'Hare Intl Airport

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

Cheap Chiang Mai to Chicago O'Hare Intl Airport (CNX to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chiang Mai to Chicago O'Hare Intl Airport

Fastest flight time

21h 10m

Direct flights

None
The fastest flight from Chiang Mai to Chicago O'Hare Intl Airport takes 21h 10m
There are no direct flights from Chiang Mai to Chicago O'Hare Intl Airport. There are no popular flight routes from Chiang Mai to Chicago O'Hare Intl Airport.
Search flight deals

Frequently asked questions about flying from Chiang Mai to Chicago O'Hare Intl Airport

  • How far is Chiang Mai to Chicago O'Hare Intl by plane?

    There are 8209.5 mi between Chiang Mai and Chicago O'Hare Intl. In terms of flight time, this usually takes a little over 21h 10m.

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

    Prices for flights from Chiang Mai Airport to Chicago O'Hare Intl Airport are updated daily.

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

  • How old do you have to be to fly from Chiang Mai Airport to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chiang Mai Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Chiang Mai to Chicago O'Hare Intl Airport?

Best airlines flying from Chiang Mai to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Chiang Mai to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
EVA AirPriceFrom $993Free CancellationRating
8.5
1,515 reviews
Search EVA Air flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
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Rockford
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Rosemont
Oak Brook
Orland Park
Naperville
Joliet
New Buffalo
Kenosha
Hammond
Racine
Aurora
Janesville
Elgin
South Holland
Evanston

Why use momondo?

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

It is quick and easy to find Chiang Mai to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

momondo does allow users to show only those flights to Chicago from Chiang Mai which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Chiang Mai and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Chiang Mai and alert you when they change.

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