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$614+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$1,062
(oojo)

One-way from

$614
(Mytrip)
From Chiang Mai to Illinois
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One-way flight from Chiang Mai to Illinois
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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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 stops34h 29mDelta
Thu 1/156:45 pmMDW - CNX
2 stops39h 20mDelta
Deal found 6/10$1,015
This Delta deal was found by Cheapflights users on 6/10. 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 - ORD
2 stops32h 32mDelta
Thu 1/157:30 amORD - CNX
2 stops26h 35mDelta
Deal found 6/10$1,015
This oojo deal was found by Cheapflights users on 6/12. 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 12/1511:50 amCNX - ORD
1 stop20h 45mEVA Air
Thu 1/156:50 pmORD - CNX
2 stops26h 45mEVA Air
Deal found 6/12$1,062
This oojo deal was found by Cheapflights users on 6/10. 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.
Sun 12/1412:15 amCNX - ORD
1 stop21h 15mKorean Air
Thu 1/1511:25 amORD - CNX
1 stop22h 40mKorean Air
Deal found 6/10$1,144
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sat 12/2010:35 amCNX - ORD
1 stop39h 25mCathay Pacific
Fri 1/22:40 pmORD - CNX
1 stop30h 10mCathay Pacific
Deal found 6/11$1,172
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:25 amCNX - ORD
2 stops23h 10mMultiple Airlines
Fri 1/211:30 pmORD - CNX
1 stop22h 05mMultiple Airlines
Deal found 6/10$1,281
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Wed 10/111:30 amCNX - ORD
2 stops30h 31mChina Southern
Thu 10/306:35 pmORD - CNX
3 stops35h 15mChina Southern
Deal found 6/11$3,931

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 June 12, 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

Wed 10/1

11:35 am-8:45 pm

1 stop21h 10m

Chicago O'Hare Intl

Tue 10/28

12:30 am-10:35 am

1 stop22h 05m

$1,062

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 10/1

10:30 am-2:25 pm

1 stop39h 55m

Chicago O'Hare Intl

Wed 10/29

3:40 pm-6:50 pm

1 stop39h 10m

$1,318

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 10/1

11:15 pm-9:30 am

1 stop22h 15m

Chicago O'Hare Intl

Thu 10/30

12:05 pm-11:05 pm

1 stop23h 00m

$1,616

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 9/30

12:45 am-9:30 am

1 stop20h 45m

Chicago O'Hare Intl

Thu 10/30

12:05 pm-11:05 pm

1 stop23h 00m

$1,829

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 10/1

11:30 am-6:01 am

2 stops30h 31m

Chicago O'Hare Intl

Thu 10/30

6:35 pm-5:50 pm

3 stops35h 15m

$3,931

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 7/22

6:25 pm-5:55 pm

3 stops35h 30m

$614

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 7/2

11:15 pm-2:30 pm

2 stops27h 15m

$707

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 7/23

11:15 am-5:38 am

2 stops54h 23m

$762

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 7/22

11:35 am-9:10 pm

1 stop21h 35m

$814

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 7/22

11:20 am-5:40 am

2 stops30h 20m

$827

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 15 results
1
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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

What is the cheapest month to book a flight from Chiang Mai to Illinois?

Currently, August is the cheapest month in which you can book a flight from Chiang Mai to Illinois (average of $245). Flying from Chiang Mai to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 12, 2025.
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
440 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Delta
8.0
Very good
7,950 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • What are the cheapest airlines to fly from Chiang Mai to Illinois one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $707. Air Canada flights start at $762 while deals on EVA Air start at $814 one-way.

  • 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.

  • What is the cheapest month to book a flight from Chiang Mai to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Chiang Mai to Illinois (average of $245). Flying from Chiang Mai to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Chiang Mai to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$986Average$1,112FlexibilityNo cancel feeOn-time74%

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