Chiang Mai

$580+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CNX
Jun 10 — Jun 171
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Chiang Mai with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 11, 2026.

This Delta deal was found by Cheapflights users on 5/7. 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.
Wed 11/1111:15 am
ORD
-
CNX
1 stop22h 40m
Delta
Tue 11/1712:15 am
CNX
-
ORD
1 stop21h 15m
Delta
Deal found 5/7$910
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:10 pm
ORD
-
CNX
1 stop27h 55m
Etihad Airways
Tue 2/168:50 am
CNX
-
ORD
1 stop36h 05m
Etihad Airways
Deal found 5/11$918
This Delta deal was found by Cheapflights users on 5/7. 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 11/1311:15 am
ORD
-
CNX
1 stop22h 40m
Delta
Tue 11/1712:15 am
CNX
-
ORD
1 stop21h 15m
Delta
Deal found 5/7$960
This Korean Air deal was found by Cheapflights users on 5/7. 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.
Wed 11/1111:15 am
ORD
-
CNX
1 stop22h 40m
Korean Air
Tue 11/1712:15 am
CNX
-
ORD
1 stop21h 15m
Korean Air
Deal found 5/7$964
This Delta deal was found by Cheapflights users on 5/7. 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 11/156:00 am
MDW
-
CNX
2 stops27h 55m
Delta
Tue 11/1712:15 am
CNX
-
MDW
2 stops34h 30m
Delta
Deal found 5/7$975
This FlightHub deal was found by Cheapflights users on 5/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:20 pm
ORD
-
CNX
1 stop20h 45m
Etihad Airways
Wed 11/188:50 am
CNX
-
ORD
1 stop36h 05m
Etihad Airways
Deal found 5/10$994
This Travelocity deal was found by Cheapflights users on 5/6. 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 9/85:45 pm
ORD
-
CNX
2 stops29h 30m
Multiple Airlines
Tue 12/810:10 am
CNX
-
ORD
2 stops34h 10m
Multiple Airlines
Deal found 5/6$997
This Delta deal was found by Cheapflights users on 5/8. 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 11/127:00 am
ORD
-
CNX
2 stops26h 55m
Delta
Tue 11/1712:15 am
CNX
-
ORD
1 stop21h 15m
Delta
Deal found 5/8$1,015
This Delta deal was found by Cheapflights users on 5/8. 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 10/266:00 am
MDW
-
CNX
2 stops28h 55m
Delta
Mon 2/1512:15 am
CNX
-
MDW
2 stops34h 30m
Delta
Deal found 5/8$1,126
This Delta deal was found by Cheapflights users on 5/6. 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 11/126:00 am
MDW
-
CNX
2 stops27h 55m
Delta
Tue 11/1712:15 am
CNX
-
MDW
2 stops29h 10m
Delta
Deal found 5/6$1,182
This Delta deal was found by Cheapflights users on 5/8. 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.
Wed 11/116:00 am
MDW
-
CNX
2 stops27h 55m
Delta
Tue 11/1712:15 am
CNX
-
MDW
2 stops34h 30m
Delta
Deal found 5/8$1,206
This Delta deal was found by Cheapflights users on 5/6. 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 11/136:00 am
MDW
-
CNX
2 stops27h 55m
Delta
Tue 11/1712:15 am
CNX
-
MDW
2 stops29h 10m
Delta
Deal found 5/6$1,222

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 May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$997
(Travelocity)

One-way from

$580
(Gurufare)

Popular in

May

Cheapest in

February

Average price

$1,776
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. 10% potential increase in price ($141 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($53 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 11, 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

Mon 10/26

12:15 pm-10:55 pm

1 stop22h 40m

Chiang Mai

Mon 2/15

12:15 am-11:46 pm

2 stops36h 31m

$1,021

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 11/3

7:00 am-10:55 pm

2 stops26h 55m

Chiang Mai

Mon 2/15

12:15 am-11:46 pm

2 stops36h 31m

$1,026

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 7/29

7:20 pm-9:20 am

2 stops26h 00m

Chiang Mai

Thu 8/6

8:00 pm-3:05 pm

2 stops31h 05m

$1,505

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 7/11

9:30 pm-11:15 am

2 stops49h 45m

Chiang Mai

Wed 7/22

8:00 pm-5:50 pm

2 stops33h 50m

$1,663

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Sat 5/16

6:05 pm-10:20 am

2 stops28h 15m

Chiang Mai

Sat 5/23

11:20 am-5:50 am

2 stops30h 30m

$1,777

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Wed 7/15

3:05 pm-10:20 am

2 stops31h 15m

Chiang Mai

Fri 7/31

11:20 am-12:35 am

2 stops25h 15m

$1,976

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 5/21

4:15 pm-7:10 pm

1 stop38h 55m

Chiang Mai

Sat 6/6

10:30 am-1:55 pm

1 stop39h 25m

$1,986

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 7/15

4:00 pm-9:45 am

1 stop29h 45m

Chiang Mai

Fri 7/31

7:25 pm-2:20 pm

1 stop30h 55m

$2,162

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 6/25

4:00 pm-6:40 pm

1 stop38h 40m

Chiang Mai

Sat 7/25

10:30 am-2:20 pm

1 stop39h 50m

$2,166

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Sat 6/6

4:40 pm-10:20 am

2 stops29h 40m

Chiang Mai

Fri 6/12

11:20 am-12:05 pm

2 stops36h 45m

$2,253

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 34 resultsSorted by cheapest first
1
2
3
4

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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, December is the cheapest month in which you can book a flight from Chicago to Chiang Mai (average of $551). Flying from Chicago to Chiang Mai in June is currently the most expensive (average of $1,549). 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.

Taipei City (TPE) – chosen by Cheapflights users on 98% 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 Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 22h 00m.

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 May 11, 2026.
See what other customers who have flown with EVA Air,Korean Air, andDelta 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.

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..

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 3 airlines. 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?

    Delta and Qatar Airways can get you from Chicago to Chiang Mai in just under 22h 40m. Your travel time can differ by up to 3h 20m. The distance from Chicago to Chiang Mai is about 8211 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Chicago to Chiang Mai round-trip?

    Flying on Cathay Pacific is currently your cheapest option to Chiang Mai, with prices starting at $737. Additional round-trip tickets that might be worth considering are offered by Delta and EVA Air, with the lowest prices starting at $849 and $918, respectively. These flights start at 41% 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, December is the cheapest month in which you can book a flight from Chicago to Chiang Mai (average of $551). Flying from Chicago to Chiang Mai in June is currently the most expensive (average of $1,549). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Chicago to Chiang Mai

Discover the top 3 airlines 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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$737Average$1,594FlexibilityNo cancel feeOn-time72%
DeltaCheapest$849Average$1,354FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$918Average$1,336FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.