Chiang Mai

$585+ Cheap flights from Chicago (CHI) 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CNX
Jul 29 — Aug 51
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Cheap flight deals from Chicago to Chiang Mai

Cheapest flights from Chicago to Chiang Mai
Explore the most affordable flight options available from Chicago to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.

This IEagle deal was found by Cheapflights users on 6/24. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:15 am
ORD
-
CNX
1 stop22h 40m
Korean Air
Sun 11/1512:15 am
CNX
-
ORD
1 stop21h 15m
Korean Air
Deal found 6/24$918
This Korean Air deal was found by Cheapflights users on 6/27. 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.
Mon 11/211:15 am
ORD
-
CNX
1 stop22h 40m
Korean Air
Tue 11/1712:15 am
CNX
-
ORD
1 stop21h 15m
Korean Air
Deal found 6/27$933
This Delta deal was found by Cheapflights users on 6/27. 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.
Tue 11/35:15 pm
MDW
-
CNX
2 stops40h 40m
Delta
Mon 11/1612:15 am
CNX
-
MDW
2 stops25h 18m
Delta
Deal found 6/27$944
This Gotogate deal was found by Cheapflights users on 6/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:15 pm
ORD
-
CNX
1 stop29h 30m
Cathay Pacific
Mon 10/1210:30 am
CNX
-
ORD
1 stop39h 25m
Cathay Pacific
Deal found 6/27$946
This Delta deal was found by Cheapflights users on 6/27. 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 11/18:33 pm
ORD
-
CNX
2 stops37h 22m
Delta
Tue 11/1712:15 am
CNX
-
ORD
2 stops36h 35m
Delta
Deal found 6/27$950
This Korean Air deal was found by Cheapflights users on 6/27. 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.
Fri 10/3012:15 pm
ORD
-
CNX
1 stop22h 40m
Korean Air
Tue 11/1012:15 am
CNX
-
ORD
1 stop21h 15m
Korean Air
Deal found 6/27$959
This Travelocity deal was found by Cheapflights users on 6/27. 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 11/24:25 pm
ORD
-
CNX
2 stops28h 00m
Multiple Airlines
Mon 11/1612:10 pm
CNX
-
ORD
2 stops32h 10m
Multiple Airlines
Deal found 6/27$966
This Travelocity deal was found by Cheapflights users on 6/26. 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.
Tue 9/1511:50 am
ORD
-
CNX
2 stops33h 30m
Multiple Airlines
Tue 12/812:10 pm
CNX
-
ORD
2 stops32h 10m
Multiple Airlines
Deal found 6/26$969
This Expedia deal was found by Cheapflights users on 6/24. 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.
Tue 11/34:25 pm
ORD
-
CNX
2 stops28h 00m
Multiple Airlines
Mon 11/167:45 pm
CNX
-
ORD
2 stops31h 05m
Multiple Airlines
Deal found 6/24$970
This Delta deal was found by Cheapflights users on 6/27. 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.
Fri 10/309:29 am
MDW
-
CNX
2 stops25h 26m
Delta
Sun 11/1512:15 am
CNX
-
MDW
2 stops25h 18m
Delta
Deal found 6/27$970
This KAYAK deal was found by Cheapflights users on 6/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:35 pm
ORD
-
CNX
1 stop30h 15m
Cathay Pacific
Thu 11/1210:35 am
CNX
-
ORD
1 stop39h 20m
Cathay Pacific
Deal found 6/27$972
This oojo deal was found by Cheapflights users on 6/24. 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 11/38:20 pm
ORD
-
CNX
2 stops26h 00m
Etihad Airways
Mon 11/168:50 am
CNX
-
ORD
1 stop36h 05m
Etihad Airways
Deal found 6/24$974

Find flight deals from Chicago to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$891
(oojo)

One-way from

$585
(Mytrip)

Popular in

May

Cheapest in

February
Provider with most accurate pricing for Chicago (CHI)-Chiang Mai flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Chiang Mai flights.
From Chicago (CHI) to Chiang Mai
One-way flight from Chicago (CHI) to Chiang Mai
Highest demand for flights based on searches. 8% potential increase in price ($124 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 29, 2026.
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

Cheapest round-trip

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 9/15

12:55 pm-7:10 pm

3 stops42h 15m

Chiang Mai

Tue 12/8

10:10 am-2:00 pm

2 stops40h 50m

$1,298

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 8/8

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Sun 8/16

11:35 am-6:20 am

2 stops30h 45m

$1,421

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Thu 8/20

5:55 pm-10:20 am

2 stops28h 25m

Chiang Mai

Thu 12/10

11:25 am-5:55 am

2 stops31h 30m

$1,486

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 8/3

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Fri 8/28

8:00 pm-9:10 pm

2 stops37h 10m

$1,488

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 8/3

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Mon 8/24

11:35 am-5:41 am

2 stops30h 06m

$1,521

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Wed 8/5

8:20 pm-10:20 am

2 stops26h 00m

Chiang Mai

Wed 8/26

11:20 am-5:50 am

2 stops30h 30m

$1,554

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 8/20

12:56 pm-7:10 pm

3 stops42h 14m

Chiang Mai

Thu 12/10

10:10 am-6:33 pm

3 stops45h 23m

$1,743
Quickest round-trip

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 8/8

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Sun 8/16

11:35 am-9:10 pm

1 stop21h 35m

$1,755

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 7/9

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Fri 8/7

11:35 am-9:10 pm

1 stop21h 35m

$1,887

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Thu 8/6

9:20 pm-10:20 am

2 stops25h 00m

Chiang Mai

Thu 8/13

11:20 am-5:45 am

2 stops30h 25m

$1,896

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Chicago to Chiang Mai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Chiang Mai in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Chiang Mai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Chiang Mai flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Chiang Mai flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Chiang Mai

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

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

Currently, February is the cheapest month in which you can book a flight from Chicago to Chiang Mai (average of $737). Flying from Chicago to Chiang Mai in June is currently the most expensive (average of $1,510). 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.

How much does it cost to fly round-trip from Chicago to Chiang Mai?

What’s the top layover airport for flights from Chicago to Chiang Mai?

Share of 1-stop round-trip flights from Chicago to Chiang Mai chosen by Cheapflights users in the past 12 months, using the same layover each way.

Incheon (ICN) – chosen by Cheapflights users on 50% of 1-stop itineraries from Chicago to Chiang Mai on Cheapflights.

What’s the cheapest layover airport for flights from Chicago to Chiang Mai?

Average round-trip fare for 1-stop flights from Chicago to Chiang Mai, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Taipei City (TPE) is the most affordable 1-stop option, with an average round-trip price of $986.

What’s the fastest layover option from Chicago to Chiang Mai?

Shortest average travel time for 1-stop one-way flights from Chicago to Chiang Mai, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Abu Dhabi (AUH) have the shortest average one-way travel time for 1-stop routes: 20h 45m.

Which airport typically offers the quickest layover for flights from Chicago to Chiang Mai?

Average layover duration for 1-stop one-way flights from Chicago to Chiang Mai, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Incheon (ICN) offer the fastest connection on this route, with an average layover time of 2h 33m.

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 June 29, 2026.
See what other customers who have flown with EVA Air and Delta from Chicago to Chiang Mai have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.3

Overall

8.5

Entertainment

8.0

Boarding

8.4

Food

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

Comfort

8.3

Overall

8.5

Entertainment

8.0

Boarding

8.4

Food

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

Comfort

8.3

Overall

8.5

Entertainment

8.0

Boarding

8.4

Food

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago?

    Most people fly into Chiang Mai (CNX) if they book a flight to Chiang Mai from Chicago. On average, Chiang Mai has 0 inbound flights from Chicago per day from 1 airline. Chiang Mai is conveniently located just 1.9 mi from Chiang Mai’s city center.

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

    Austrian Airlines and EVA Air can get you from Chicago to Chiang Mai in just under 21h 55m. Your travel time can differ by up to 20h 20m. The distance from Chicago to Chiang Mai is about 8211 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Chicago to Chiang Mai round-trip?

    Flying on EVA Air is currently your cheapest option to Chiang Mai, with prices starting at $902. This flight start at 29% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Chicago to Chiang Mai (average of $737). Flying from Chicago to Chiang Mai in June is currently the most expensive (average of $1,510). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Chicago to Chiang Mai

Discover the top airline that operate flights from Chicago 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 June 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$902Average$1,200FlexibilityNo cancel feeOn-time74%

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