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Chiang Mai

$533+ Cheap flights from Illinois to Chiang Mai (CNX)

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNX
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheap flight deals from Illinois to Chiang Mai

Keep the following information in mind while searching for Illinois to Chiang Mai flight deals. Data was last updated April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$854
(Travelocity)

One-way from

$555
(Mytrip)

Popular in

May

Cheapest in

April

Average price

$968
Provider with most accurate pricing for Chicago (CHI)-Chiang Mai flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Chiang Mai flights.
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From Illinois to Chiang Mai
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One-way flight from Illinois to Chiang Mai
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Highest demand for flights based on searches. 13% potential increase in price ($216 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Illinois to Chiang Mai

Cheapest flights from Illinois to Chiang Mai
Explore the most affordable flight options available from Illinois to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This Travelocity deal was found by Cheapflights users on 3/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2111:50 amORD - CNX
2 stops32h 40mMultiple Airlines
Tue 5/2010:10 amCNX - ORD
2 stops34h 30mMultiple Airlines
Deal found 3/31$854
This StudentUniverse deal was found by Cheapflights users on 4/1. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:10 pmORD - CNX
1 stop21h 45mKorean Air
Tue 11/2512:15 amCNX - ORD
1 stop21h 15mKorean Air
Deal found 4/1$941
This oojo deal was found by Cheapflights users on 3/31. 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 4/2012:30 amORD - CNX
1 stop21h 55mEVA Air
Tue 5/2011:35 amCNX - ORD
1 stop21h 25mEVA Air
Deal found 3/31$973
This Delta deal was found by Cheapflights users on 4/1. 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.
Mon 9/228:55 amORD - CNX
2 stops25h 00mDelta
Wed 11/2612:15 amCNX - ORD
2 stops34h 37mDelta
Deal found 4/1$976
This Delta deal was found by Cheapflights users on 4/1. 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.
Mon 9/229:30 amMDW - CNX
2 stops24h 25mDelta
Tue 11/2512:15 amCNX - MDW
2 stops31h 21mDelta
Deal found 4/1$976
This Gurufare deal was found by Cheapflights users on 4/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/134:00 pmORD - CNX
1 stop38h 40mCathay Pacific
Thu 3/197:40 pmCNX - ORD
1 stop30h 20mCathay Pacific
Deal found 4/1$1,006
This Korean Air deal was found by Cheapflights users on 3/31. 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.
Tue 4/110:25 amMDW - CNX
2 stops23h 30mMultiple Airlines
Tue 4/1511:15 pmCNX - MDW
2 stops25h 20mMultiple Airlines
Deal found 3/31$1,240
This Etihad Airways deal was found by Cheapflights users on 3/31. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/81:55 pmORD - CNX
2 stops31h 25mEtihad Airways
Fri 5/232:35 pmCNX - ORD
2 stops30h 10mEtihad Airways
Deal found 3/31$1,251
This Korean Air deal was found by Cheapflights users on 4/1. 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.
Sun 9/289:30 amMDW - CNX
2 stops24h 25mKorean Air
Wed 2/2512:15 amCNX - MDW
2 stops25h 20mKorean Air
Deal found 4/1$1,422
This Expedia deal was found by Cheapflights users on 3/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/16:22 pmSTL - CNX
2 stops27h 58mMultiple Airlines
Sat 6/1411:20 amCNX - STL
2 stops48h 39mMultiple Airlines
Deal found 3/31$1,903

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2025.
Use the filters below to find and compare flights from Illinois to Chiang Mai that are best for you.

Fly from

Illinois

Fly to

Chiang Mai

Route

Depart

Return

Price

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 4/21

11:50 am-8:30 am

2 stops32h 40m

Chiang Mai

Tue 5/20

10:10 am-8:40 am

2 stops34h 30m

$854

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 9/24

12:10 pm-9:55 pm

1 stop21h 45m

Chiang Mai

Tue 11/25

12:15 am-8:30 am

1 stop21h 15m

$941

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 4/20

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Tue 5/20

11:35 am-9:00 pm

1 stop21h 25m

$973

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 9/22

8:55 am-9:55 pm

2 stops25h 00m

Chiang Mai

Tue 11/25

12:15 am-9:52 pm

2 stops34h 37m

$976

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Mon 9/22

9:30 am-9:55 pm

2 stops24h 25m

Chiang Mai

Tue 11/25

12:15 am-6:36 pm

2 stops31h 21m

$976

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 9/18

4:00 pm-9:45 am

1 stop29h 45m

Chiang Mai

Mon 2/16

7:40 pm-1:00 pm

1 stop30h 20m

$1,126

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 5/8

1:55 pm-1:45 pm

2 stops35h 50m

Chiang Mai

Mon 5/19

8:00 pm-8:45 am

2 stops48h 45m

$1,251

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 5/6

3:35 pm-4:40 pm

2 stops37h 05m

Chiang Mai

Wed 5/21

11:15 am-8:01 pm

2 stops44h 46m

$1,354

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Thu 5/8

9:16 am-9:55 pm

2 stops24h 39m

Chiang Mai

Thu 5/22

11:15 pm-12:28 pm

2 stops25h 13m

$1,414

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Sun 9/28

9:30 am-9:55 pm

2 stops24h 25m

Chiang Mai

Wed 2/25

12:15 am-12:35 pm

2 stops25h 20m

$1,422

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 20 results
1
2

Best time to book a flight from Illinois to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Illinois 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 Illinois to Chiang Mai

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

Currently, April is the cheapest month in which you can book a flight from Illinois to Chiang Mai (average of $1,016). Flying from Illinois to Chiang Mai in December is currently the most expensive (average of $1,678). 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.

What is the cheapest time of day to fly from IL to CNX?

Find hourly flight availability from Illinois to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Chiang Mai as you normally would.

Rainfall in Chiang Mai by month

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

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

Temperature in Chiang Mai by month

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

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. 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 Chiang Mai. Reviews last updated April 1, 2025.
See what other customers who have flown with EVA Air, Korean Air and Asiana Airlines from Illinois to Chiang Mai have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,170 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,052 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Asiana Airlines
8.2
Very good
440 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Delta
8.0
Very good
7,899 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Cathay Pacific
7.5
Good
841 reviews
EVA Air
8.4
Very good
1,170 reviews

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Chiang Mai. 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 into for flights to Chiang Mai from Illinois?

    If you book a flight to Chiang Mai from Illinois, you will be flying to Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $593. However, be on the lookout for offers from Air Canada and EVA Air, as they are both options that can get you from Illinois to Chiang Mai for a low price.

  • What are the most popular routes from Illinois to Chiang Mai?

    Most travelers choose Chicago O'Hare Intl - Chiang Mai, Chicago Midway - Chiang Mai or Lambert-St Louis - Chiang Mai when deciding on the best route from Illinois to Chiang Mai.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Chiang Mai 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 Illinois to Chiang Mai?

    Currently, April is the cheapest month in which you can book a flight from Illinois to Chiang Mai (average of $1,016). Flying from Illinois to Chiang Mai in December is currently the most expensive (average of $1,678). 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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Top 4 airlines flying from Illinois to Chiang Mai

Discover the top 4 airlines that operate flights from Illinois to Chiang Mai. 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$805Average$1,083FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$991Average$1,269FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,008Average$1,359FlexibilityNo cancel feeOn-time74%
DeltaCheapest$1,070Average$1,594FlexibilityNo cancel feeOn-timeN/A

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