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Chiang Mai

$574+ Cheap flights from O'Hare Intl (ORD) 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNX
Jul 21 — Jul 281
Tue 7/21
Tue 7/28
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Chiang Mai

Cheapest flights from O'Hare Intl to Chiang Mai
Explore the most affordable flight options available from O'Hare Intl to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com 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 6/16$915
This oojo deal was found by Cheapflights users on 6/17. 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 9/154:00 pm
ORD
-
CNX
1 stop38h 40m
Cathay Pacific
Sun 9/207:25 pm
CNX
-
ORD
1 stop30h 30m
Cathay Pacific
Deal found 6/17$918
This KAYAK deal was found by Cheapflights users on 6/17. 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.
Wed 10/74:15 pm
ORD
-
CNX
1 stop38h 25m
Cathay Pacific
Wed 10/147:25 pm
CNX
-
ORD
1 stop30h 30m
Cathay Pacific
Deal found 6/17$928
This Delta deal was found by Cheapflights users on 6/17. 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 11/117:05 am
ORD
-
CNX
2 stops26h 50m
Delta
Tue 11/1712:15 am
CNX
-
ORD
2 stops25h 22m
Delta
Deal found 6/17$946
This oojo deal was found by Cheapflights users on 6/19. 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 9/12:00 pm
ORD
-
CNX
2 stops33h 15m
Etihad Airways
Tue 9/2910:10 am
CNX
-
ORD
2 stops34h 25m
Etihad Airways
Deal found 6/19$964
This oojo deal was found by Cheapflights users on 6/17. 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 9/152:00 pm
ORD
-
CNX
2 stops31h 20m
Etihad Airways
Fri 9/182:35 pm
CNX
-
ORD
2 stops54h 00m
Etihad Airways
Deal found 6/17$965
This Expedia deal was found by Cheapflights users on 6/16. 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.
Wed 11/114:25 pm
ORD
-
CNX
2 stops28h 00m
Multiple Airlines
Wed 11/1810:10 am
CNX
-
ORD
2 stops34h 10m
Multiple Airlines
Deal found 6/16$967
This oojo deal was found by Cheapflights users on 6/19. 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.
Thu 11/128:20 pm
ORD
-
CNX
2 stops33h 40m
Etihad Airways
Wed 11/1812:10 pm
CNX
-
ORD
2 stops32h 45m
Etihad Airways
Deal found 6/19$968
This oojo deal was found by Cheapflights users on 6/17. 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.
Wed 10/74:15 pm
ORD
-
CNX
1 stop29h 30m
Cathay Pacific
Thu 10/1510:30 am
CNX
-
ORD
1 stop39h 25m
Cathay Pacific
Deal found 6/17$971

Find flight deals from O'Hare Intl to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$915
(Kiwi.com)

One-way from

$574
(KAYAK)

Popular in

June

Cheapest in

September

Average price

$1,928
Provider with most accurate pricing for Chicago O'Hare Intl-Chiang Mai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Chiang Mai flights.
Search Deals
From Chicago O'Hare Intl to Chiang Mai
Search Deals
One-way flight from Chicago O'Hare Intl to Chiang Mai
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($297 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 21, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

Sat 8/29

4:00 pm-6:40 pm

1 stop38h 40m

Chiang Mai

Sat 9/5

10:30 am-2:20 pm

1 stop39h 50m

$1,041

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 7/5

5:45 pm-9:20 am

2 stops27h 35m

Chiang Mai

Wed 7/15

1:40 pm-8:40 am

2 stops31h 00m

$1,257

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 9/1

2:00 pm-7:55 am

3 stops29h 55m

Chiang Mai

Tue 9/29

6:35 am-10:06 pm

3 stops27h 31m

$1,434

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 8/2

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Mon 8/17

8:00 pm-9:10 pm

2 stops37h 10m

$1,435

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 8/4

12:30 am-1:45 pm

2 stops25h 15m

Chiang Mai

Wed 8/12

8:00 pm-9:10 pm

2 stops37h 10m

$1,480

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 8/6

12:30 am-1:45 pm

2 stops25h 15m

Chiang Mai

Tue 8/18

8:00 pm-9:10 pm

2 stops37h 10m

$1,520

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 9/15

12:55 pm-7:10 pm

3 stops42h 15m

Chiang Mai

Fri 9/25

8:00 pm-5:20 pm

3 stops33h 20m

$1,627
Quickest round-trip

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 7/21

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Sun 8/2

11:35 am-9:10 pm

1 stop21h 35m

$1,851

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 7/1

4:00 pm-9:45 am

1 stop29h 45m

Chiang Mai

Wed 7/22

7:25 pm-2:20 pm

1 stop30h 55m

$2,307

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 9/15

5:50 pm-1:45 pm

3 stops31h 55m

Chiang Mai

Fri 9/18

11:55 am-7:20 am

3 stops31h 25m

$2,457

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Chiang Mai in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*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 O'Hare Intl Airport-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 O'Hare Intl Airport-Chiang Mai flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-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 O'Hare Intl to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from O'Hare Intl 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 O'Hare Intl Airport to Chiang Mai

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Chiang Mai?

Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Mai (average of $955). Flying from Chicago O'Hare Intl Airport to Chiang Mai in June is currently the most expensive (average of $1,928). 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 O'Hare Intl Airport to Chiang Mai?

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 21, 2026.
Peruse reviews from past customers who have flown with EVA Air from Chicago O'Hare Intl Airport to Chiang Mai to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,478 reviews

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼
EVA Air
8.5
Very good
1,478 reviews
EVA Air
8.5
Very good
1,478 reviews

Food

8.1

Overall

8.5

Crew

8.7

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Tony,Jun 2026

NRT - TPE

Great flight and good food…will fly again on Eva air👍🏼

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    Chiang Mai (CNX), located 1.9 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Chiang Mai. 1 airline have flights to Chiang Mai from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Chiang Mai should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

  • How long is the flight from Chicago O'Hare Intl Airport to Chiang Mai?

    Airlines like Cathay Pacific and EVA Air fly from Chicago O'Hare Intl Airport to Chiang Mai in about 21h 55m. The time it takes to get you to your destination can typically vary by up to 16h 45m. There are 8211 mi between Chicago O'Hare Intl Airport and Chiang Mai. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Chicago O'Hare Intl Airport to Chiang Mai round-trip?

    According to our current data, EVA Air ($902), offers the cheapest pricing from Chicago O'Hare Intl Airport to Chiang Mai. EVA Air is 27% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from O'Hare Intl to Chiang Mai that include hotel bookings?

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

  • How can I find direct flights from O'Hare Intl to Chiang Mai?

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

  • Can I find deals for business class flights from O'Hare Intl to Chiang Mai?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Chiang Mai?

    Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Mai (average of $955). Flying from Chicago O'Hare Intl Airport to Chiang Mai in June is currently the most expensive (average of $1,928). 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 O'Hare Intl to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
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O'Hare Intl to Krabi flights

Top airline flying from O'Hare Intl to Chiang Mai

Discover the top airline that operate flights from O'Hare Intl 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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$902Average$1,191FlexibilityNo cancel feeOn-time74%

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