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Cheap flights from Chiang Mai to Chicago O'Hare Intl Airport from ฿20,571

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ORD
10 Aug — 17 Aug1
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 11 July 2026.

Mon 14/911:20
CNX
-
ORD
2 stops31h 00m
Multiple Airlines
Wed 30/911:50
ORD
-
CNX
2 stops35h 25m
Multiple Airlines
Deal found 7/7฿40,676
Tue 6/1011:35
CNX
-
ORD
1 stop21h 10m
EVA Air
Tue 3/1123:30
ORD
-
CNX
1 stop22h 05m
EVA Air
Deal found 9/7฿40,743
Tue 6/1021:10
CNX
-
ORD
2 stops29h 33m
แอร์แคนาดา
Tue 3/1108:49
ORD
-
CNX
2 stops41h 51m
แอร์แคนาดา
Deal found 9/7฿40,809
Mon 28/917:35
CNX
-
ORD
2 stops33h 08m
แอร์แคนาดา
Fri 2/1015:40
ORD
-
CNX
2 stops36h 55m
แอร์แคนาดา
Deal found 8/7฿43,106
Tue 6/1011:20
CNX
-
ORD
2 stops34h 07m
Multiple Airlines
Tue 3/1111:15
ORD
-
CNX
1 stop22h 40m
Multiple Airlines
Deal found 9/7฿44,704

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 11 July 2026.

Round-trip from

฿40,676

One-way from

฿20,571

Popular in

August

Cheapest in

November

Average price

฿41,342
14/9-30/9
  • 14/9-30/9
  • 4 total stops
  • 66h 25m total
  • Chiang Mai to Chicago
Search Deals
10/11
  • 10/11
  • 2 total stops
  • 43h 57m total
  • Chiang Mai to Chicago
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿165,099 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (฿95,036 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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 11 July 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

Mon 14/9

11:20-06:20

2 stops31h 00m

Chicago O'Hare Intl

Wed 30/9

11:50-11:15

2 stops35h 25m

฿40,676
Fastest return journey

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 6/10

11:35-20:45

1 stop21h 10m

Chicago O'Hare Intl

Tue 3/11

23:30-10:35

1 stop22h 05m

฿40,743

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 6/10

21:10-14:43

2 stops29h 33m

Chicago O'Hare Intl

Tue 3/11

08:49-15:40

2 stops41h 51m

฿40,976

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 6/10

11:20-09:27

2 stops34h 07m

Chicago O'Hare Intl

Tue 3/11

11:15-22:55

1 stop22h 40m

฿44,704

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 28/9

20:00-20:45

2 stops36h 45m

Chicago O'Hare Intl

Fri 2/10

18:06-10:25

2 stops52h 19m

฿45,070
Cheapest one-way

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 10/11

17:00-23:57

2 stops43h 57m

฿20,571
Fastest single journey

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 9/11

00:15-08:30

1 stop21h 15m

฿21,170

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Tue 1/9

12:10-05:59

3 stops53h 49m

฿22,901

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 9/10

11:30-14:43

2 stops39h 13m

฿23,201

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Sorted by cheapest first

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 11 July 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
1,498 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.5

Crew

8.7

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
1,498 reviews
EVA Air
8.5
Very Good
1,498 reviews
Check prices

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Overall

8.5

Crew

8.7

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?

    EVA Air can get you from Chiang Mai to Chicago O'Hare Intl Airport in just under 21h 10m. 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 ฿36,413, 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. EVA Air is currently priced 17% below the average price you’ll pay for this route.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 11 July 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 11 July 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest฿36,413Average฿36,413FlexibilityNo 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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