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Cheap flights from Chiang Mai to Chicago O'Hare Intl Airport from ฿21,558

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ORD
11 Jun — 18 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from Chiang Mai to O'Hare Intl
Explore the most affordable flight options available from Chiang Mai to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 May 2026.

Wed 23/1200:15
CNX
-
ORD
1 stop21h 15m
Korean Air
Sun 10/111:25
ORD
-
CNX
1 stop22h 30m
Korean Air
Deal found 9/5฿35,575
Wed 23/1200:15
CNX
-
ORD
2 stops33h 09m
เดลต้า
Sun 10/111:25
ORD
-
CNX
1 stop22h 30m
เดลต้า
Deal found 9/5฿39,297
Fri 11/912:35
CNX
-
ORD
2 stops30h 45m
Malaysia Airlines
Mon 14/910:15
ORD
-
CNX
2 stops37h 25m
Malaysia Airlines
Deal found 11/5฿40,851
Tue 23/614:30
CNX
-
ORD
2 stops29h 15m
Malaysia Airlines
Mon 29/610:40
ORD
-
CNX
2 stops37h 00m
Malaysia Airlines
Deal found 10/5฿41,078
Fri 25/1200:15
CNX
-
ORD
1 stop21h 15m
Korean Air
Sun 10/111:25
ORD
-
CNX
1 stop22h 30m
Korean Air
Deal found 9/5฿41,110
Sun 21/612:35
CNX
-
ORD
2 stops31h 10m
Malaysia Airlines
Sun 28/610:40
ORD
-
CNX
2 stops61h 00m
Malaysia Airlines
Deal found 8/5฿42,502
Fri 26/612:35
CNX
-
ORD
2 stops31h 10m
Malaysia Airlines
Fri 3/710:40
ORD
-
CNX
2 stops61h 00m
Malaysia Airlines
Deal found 12/5฿43,117
Thu 24/1210:10
CNX
-
ORD
2 stops41h 20m
Qatar Airways
Sun 10/118:50
ORD
-
CNX
2 stops27h 30m
Qatar Airways
Deal found 9/5฿43,182
Sat 19/1219:45
CNX
-
ORD
2 stops36h 50m
EVA Air
Fri 8/123:30
ORD
-
CNX
1 stop22h 05m
EVA Air
Deal found 8/5฿43,958
Sat 19/1219:45
CNX
-
ORD
2 stops31h 45m
Multiple Airlines
Fri 8/118:50
ORD
-
CNX
2 stops51h 35m
Multiple Airlines
Deal found 8/5฿44,379
Sun 21/611:35
CNX
-
ORD
1 stop21h 25m
EVA Air
Sat 27/600:30
ORD
-
CNX
2 stops30h 40m
EVA Air
Deal found 8/5฿44,606

Find flight deals from Chiang Mai to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to O'Hare Intl (ORD). 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 12 May 2026.

Round-trip from

฿40,851

One-way from

฿21,558
Malaysia Airlines
  • Malaysia Airlines
  • 11/9-14/9
  • 4 total stops
  • 68h 10m total
  • Chiang Mai to Chicago
Search Deals
Korean Air
  • Korean Air
  • 5/11
  • 1 total stop
  • 21h 15m total
  • Chiang Mai to Chicago
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Chiang Mai to O'Hare Intl 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 17,341 searches. Data last updated 12 May 2026.
Use the filters below to find and compare flights from Chiang Mai to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 11/9

12:35-07:20

2 stops30h 45m

Chicago O'Hare Intl

Mon 14/9

10:15-11:40

2 stops37h 25m

฿40,851

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 23/6

14:30-07:45

2 stops29h 15m

Chicago O'Hare Intl

Mon 29/6

10:40-11:40

2 stops37h 00m

฿41,078

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 26/6

12:35-07:45

2 stops31h 10m

Chicago O'Hare Intl

Fri 3/7

10:40-11:40

2 stops61h 00m

฿43,117
Fastest return journey

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 21/6

11:35-21:00

1 stop21h 25m

Chicago O'Hare Intl

Sat 27/6

00:30-19:10

2 stops30h 40m

฿44,606

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 23/6

11:35-21:00

1 stop21h 25m

Chicago O'Hare Intl

Sun 28/6

00:30-11:15

2 stops46h 45m

฿45,059

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 25/10

10:10-20:35

2 stops46h 25m

Chicago O'Hare Intl

Tue 27/10

00:30-11:20

2 stops46h 50m

฿45,091

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 26/6

11:35-21:00

1 stop21h 25m

Chicago O'Hare Intl

Fri 3/7

20:18-10:25

2 stops50h 07m

฿46,710

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 25/10

19:40-13:55

1 stop30h 15m

Chicago O'Hare Intl

Wed 28/10

15:35-18:50

1 stop39h 15m

฿50,368

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 12/6

10:30-13:55

1 stop39h 25m

Chicago O'Hare Intl

Fri 19/6

16:00-09:45

1 stop29h 45m

฿54,123

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 23/6

19:25-14:20

1 stop30h 55m

Chicago O'Hare Intl

Mon 29/6

16:00-18:40

1 stop38h 40m

฿56,097

Flights are sorted by cheapest return flights first.

Deals found on 12/5

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Chiang Mai to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Chiang Mai with our price prediction graph.
Estimated return 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.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 12 May 2026.
Read through reviews of airlines operating flights from Chiang Mai to Chicago O'Hare Intl Airport, such as EVA Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very Good
1,445 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very Good
1,445 reviews
EVA Air
8.5
Very Good
1,445 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

8.3

Food

8.1

Boarding

8.4

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to O'Hare Intl. 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 Chicago O'Hare Intl?

    Chiang Mai (CNX), located 3.1 km from the city centre, is the airport you fly out of when you book flights from Chiang Mai to Chicago O'Hare Intl. 1 airline have flights from Chiang Mai to Chicago O'Hare Intl on a regular basis. Booking flights from Chiang Mai to Chicago O'Hare Intl should not be difficult; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day.

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

    Malaysia Airlines and EVA Air can get you from Chiang Mai to Chicago O'Hare Intl Airport in just under 21h 25m. Your travel time can differ by up to 9h 20m. There are 13214 km between Chiang Mai and Chicago O'Hare Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at ฿35,410, EVA Air will fly you from Chiang Mai to Chicago O'Hare Intl Airport and back. In addition to EVA Air, many other airlines offer competitively priced options for your trip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chiang Mai to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Rosemont

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Fly from Chiang Mai to O'Hare Intl on these airlines

Choose from the following airlines for your flight from Chiang Mai to O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 12 May 2026.
EVA Air flights from Chiang Mai to Chicago O'Hare Intl

Top airline flying from Chiang Mai to O'Hare Intl

Discover the top airline that operate flights from Chiang Mai to O'Hare Intl. 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 17,341 searches. Data last updated 12 May 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest฿35,410Average฿35,489FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Chiang Mai to O'Hare Intl?

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Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to O'Hare Intl?

Cheapflights simply makes it quick and affordable to book flights from Chiang Mai to O'Hare Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Chiang Mai to O'Hare Intl with no change fees?

Need flexible booking options for your flight to O'Hare Intl from Chiang Mai? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Chiang Mai to O'Hare Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to O'Hare Intl from Chiang Mai today and book when prices fit your budget.

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