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Cheap flights from Chiang Mai to Chicago O'Hare Intl Airport from ฿17,983

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ORD
27 Mar — 3 Apr1
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 25 February 2026.

Tue 1/911:35
CNX
-
ORD
2 stops36h 33m
EVA Air
Wed 30/920:42
ORD
-
CNX
2 stops25h 43m
EVA Air
Deal found 23/2฿30,438
Sat 13/611:35
CNX
-
ORD
2 stops30h 45m
EVA Air
Tue 21/720:05
ORD
-
CNX
2 stops26h 20m
EVA Air
Deal found 23/2฿33,823
Mon 21/1200:15
CNX
-
ORD
1 stop21h 15m
เดลต้า
Mon 28/1207:20
ORD
-
CNX
2 stops26h 35m
เดลต้า
Deal found 25/2฿33,916
Mon 16/319:45
CNX
-
ORD
2 stops36h 50m
EVA Air
Tue 7/720:05
ORD
-
CNX
2 stops26h 20m
EVA Air
Deal found 23/2฿34,196
Sat 3/1017:35
CNX
-
ORD
2 stops33h 13m
แอร์แคนาดา
Mon 5/1019:40
ORD
-
CNX
2 stops56h 55m
แอร์แคนาดา
Deal found 22/2฿34,724
Tue 22/1211:50
CNX
-
ORD
1 stop20h 45m
EVA Air
Mon 28/1223:30
ORD
-
CNX
1 stop22h 05m
EVA Air
Deal found 25/2฿35,283
Fri 13/311:50
CNX
-
ORD
2 stops29h 28m
EVA Air
Sat 28/300:30
ORD
-
CNX
1 stop21h 55m
EVA Air
Deal found 23/2฿35,873

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 25 February 2026.

Round-trip from

฿33,823

One-way from

฿17,983
EVA Air
  • EVA Air
  • 13/6-21/7
  • 4 total stops
  • 57h 05m total
  • Chiang Mai to Chicago
Search Deals
22/5
  • 22/5
  • 3 total stops
  • 50h 30m 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 25 February 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

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sat 13/6

11:35-06:20

2 stops30h 45m

Chicago O'Hare Intl

Tue 21/7

20:05-10:25

2 stops26h 20m

฿33,947

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Thu 2/4

11:35-21:00

1 stop21h 25m

Chicago O'Hare Intl

Wed 22/4

00:30-13:45

2 stops25h 15m

฿39,755

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sat 13/6

11:20-06:20

2 stops31h 00m

Chicago O'Hare Intl

Tue 21/7

17:25-10:20

3 stops28h 55m

฿40,563

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 16/3

10:35-13:55

1 stop39h 20m

Chicago O'Hare Intl

Tue 7/7

16:00-18:40

1 stop38h 40m

฿42,023

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 23/3

19:45-20:35

2 stops36h 50m

Chicago O'Hare Intl

Sat 9/5

18:30-10:25

2 stops27h 55m

฿43,669

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Thu 2/4

10:30-13:55

1 stop39h 25m

Chicago O'Hare Intl

Thu 23/4

16:15-09:45

1 stop29h 30m

฿44,041

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Thu 9/4

11:20-06:39

2 stops31h 19m

Chicago O'Hare Intl

Sun 26/4

17:52-10:20

2 stops28h 28m

฿44,476

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 25/3

19:45-11:05

2 stops27h 20m

Chicago O'Hare Intl

Wed 22/4

20:10-09:20

2 stops25h 10m

฿46,340

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 22/5

08:30-23:00

3 stops50h 30m

฿17,983

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 31/7

20:00-20:06

3 stops36h 06m

฿20,872

Flights are sorted by cheapest return flights first.

Deals found on 23/2

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 25 February 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
8.4
Very Good
1,359 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
EVA Air
8.4
Very Good
1,359 reviews
EVA Air
8.4
Very Good
1,359 reviews
Check prices

Comfort

8.3

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

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?

    EVA Air can get you from Chiang Mai to Chicago O'Hare Intl Airport in just under 30h 45m. Your travel time can differ by up to . There are 13214 km between Chiang Mai and Chicago O'Hare Intl Airport.

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

    Currently priced at ฿33,976, 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 25 February 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 25 February 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest฿33,976Average฿34,052FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Chiang Mai to O'Hare Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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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