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$750+ Cheap flights from Chiang Mai (CNX) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ORD
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Find flight deals from Chiang Mai to Illinois

Cheapest flights from Chiang Mai to Illinois
Explore the most affordable flight options available from Chiang Mai to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

This SmartFares deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:50 amCNX - ORD
1 stop20h 45mMultiple Airlines
Wed 1/146:06 pmORD - CNX
2 stops27h 29mMultiple Airlines
Deal found 10/21$997
This oojo deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:35 pmCNX - ORD
2 stops41h 55mChina Airlines
Thu 1/158:00 amORD - CNX
2 stops37h 25mChina Airlines
Deal found 10/22$1,027
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:45 pmCNX - ORD
2 stops34h 56mAir Canada
Tue 1/133:40 pmORD - CNX
2 stops35h 05mAir Canada
Deal found 10/21$1,035
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:45 pmCNX - ORD
2 stops34h 56mAir Canada
Sun 1/113:40 pmORD - CNX
2 stops35h 05mAir Canada
Deal found 10/21$1,055
This oojo deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:50 amCNX - ORD
1 stop20h 45mEVA Air
Tue 11/1111:30 pmORD - CNX
1 stop22h 05mEVA Air
Deal found 10/21$1,064
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:15 pmCNX - ORD
2 stops28h 40mMultiple Airlines
Tue 11/114:25 pmORD - CNX
2 stops28h 00mMultiple Airlines
Deal found 10/21$1,073
This Korean Air deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:15 amCNX - ORD
1 stop21h 15mKorean Air
Tue 11/1811:15 amORD - CNX
1 stop22h 40mKorean Air
Deal found 10/22$1,093
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:15 amCNX - ORD
2 stops47h 09mDelta
Tue 11/186:13 pmORD - CNX
2 stops39h 42mDelta
Deal found 10/22$1,095
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:45 pmCNX - ORD
2 stops34h 56mAir Canada
Thu 1/153:40 pmORD - CNX
2 stops35h 05mAir Canada
Deal found 10/21$1,104
This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:50 amCNX - ORD
1 stop20h 45mEVA Air
Tue 1/1311:30 pmORD - CNX
2 stops25h 15mEVA Air
Deal found 10/21$1,118
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1412:15 amCNX - MDW
2 stops36h 32mDelta
Thu 1/155:25 pmMDW - CNX
2 stops40h 30mDelta
Deal found 10/22$1,286

Cheap flight deals from Chiang Mai to Illinois

Keep the following information in mind while searching for Chiang Mai to Illinois flight deals. Data was last updated October 23, 2025.

Round-trip from

$997
(SmartFares)

One-way from

$750
(Kiwi.com)
From Chiang Mai to Illinois
Search Deals
One-way flight from Chiang Mai to Illinois
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chiang Mai to Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated October 23, 2025.
Use the filters below to find and compare flights from Chiang Mai to Illinois that are best for you.

Fly from

Chiang Mai

Fly to

Illinois

Route

Depart

Return

Price

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Thu 11/13

12:15 am-8:30 am

1 stop21h 15m

Chicago O'Hare Intl

Tue 11/18

11:15 am-10:55 pm

1 stop22h 40m

$1,093

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Thu 11/13

12:15 am-10:24 am

2 stops47h 09m

Chicago O'Hare Intl

Tue 11/18

6:13 pm-10:55 pm

2 stops39h 42m

$1,095

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 12/14

12:15 am-8:30 am

1 stop21h 15m

Chicago O'Hare Intl

Thu 1/15

7:30 am-10:55 pm

2 stops26h 25m

$1,123

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sat 11/8

12:15 am-8:30 am

1 stop21h 15m

Chicago O'Hare Intl

Fri 1/16

7:30 am-10:55 pm

2 stops26h 25m

$1,126

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 11/9

12:15 am-7:50 pm

2 stops32h 35m

Chicago O'Hare Intl

Thu 1/15

2:20 pm-10:55 pm

2 stops43h 35m

$1,131

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 11/11

11:50 am-7:35 pm

1 stop20h 45m

Chicago O'Hare Intl

Wed 1/14

11:30 pm-10:35 am

1 stop22h 05m

$1,141

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 11/9

12:15 am-8:30 am

1 stop21h 15m

Chicago O'Hare Intl

Sat 1/17

11:25 am-10:55 pm

1 stop22h 30m

$1,178

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 11/10

12:15 am-8:30 am

1 stop21h 15m

Chicago O'Hare Intl

Sat 1/17

11:25 am-10:55 pm

1 stop22h 30m

$1,178

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 11/11

12:15 am-8:30 am

1 stop21h 15m

Chicago O'Hare Intl

Wed 1/14

5:50 am-10:55 pm

2 stops28h 05m

$1,202

Chiang MaiChicago

CNX - MDW

CNXMDW

Chiang Mai

Sun 12/14

12:15 am-11:47 pm

2 stops36h 32m

Chicago Midway

Thu 1/15

5:25 pm-10:55 pm

2 stops40h 30m

$1,286

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 23 results
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Best time to book a flight from Chiang Mai to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Chiang Mai with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chiang Mai to Illinois
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated October 23, 2025.
Get a feel of what it's like to fly with EVA Air from Chiang Mai to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,255 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,255 reviews
EVA Air
8.4
Very good
1,255 reviews

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Chiang Mai to Illinois?

    Chiang Mai (CNX) is the airport you will fly out of if you book a flight from Chiang Mai to Illinois. It is only a 1.9 mi journey to Chiang Mai (CNX) from Chiang Mai’s city center.

  • How long is the flight from Chiang Mai to Illinois?

    A quick flight from Chiang Mai to Illinois can take about 21h 15m. Korean Air provides one of the quickest options available for as low as $1,093. The distance from Chiang Mai to Illinois is about 8211 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Chiang Mai to Illinois that include hotel bookings?

    Yes. In addition to deals on Chiang Mai to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chiang Mai to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Illinois.

  • Can I find deals for business class flights from Chiang Mai to Illinois?

    Yes. Cheapflights offers flight deals from Chiang Mai to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Chiang Mai to Illinois

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Top airline flying from Chiang Mai to Illinois

Discover the top airline that operate flights from Chiang Mai to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,007Average$1,149FlexibilityNo cancel feeOn-time74%

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