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Cheap flights from Chiang Mai to Chicago O'Hare Intl Airport from ฿22,776

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 28/12. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ORD
23 Jul — 30 Jul1
1 adult

Cheap 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 18 July 2025.

Round-trip from

฿33,270

One-way from

฿22,776

Popular in

November

Cheapest in

September

Average price

฿37,851
1/9-8/9
  • 1/9-8/9
  • 4 total stops
  • 70h 45m total
  • Chiang Mai to Chicago
Search Deals
28/12
  • 28/12
  • 2 total stops
  • 34h 10m total
  • Chiang Mai to Chicago
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (฿188,496 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿43,292 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Chiang Mai to O'Hare Intl

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 18 July 2025.

Mon 1/918:25CNX - ORD
3 stops47h 15mMultiple Airlines
Mon 8/912:10ORD - CNX
1 stop23h 30mMultiple Airlines
Deal found 18/7฿33,270
Mon 1/911:35CNX - ORD
1 stop21h 10mEVA Air
Mon 8/917:45ORD - CNX
2 stops28h 40mEVA Air
Deal found 18/7฿34,602
Sun 14/1200:15CNX - ORD
2 stops30h 31mเดลต้า
Thu 15/111:25ORD - CNX
1 stop22h 40mเดลต้า
Deal found 18/7฿36,974
Sun 14/1200:15CNX - ORD
1 stop21h 15mKorean Air
Thu 15/111:25ORD - CNX
1 stop22h 40mKorean Air
Deal found 16/7฿41,230

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 18 July 2025.
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

Chiang Mai

Fly to

O'Hare Intl

Route

Depart

Return

Price

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 1/9

18:25-05:40

3 stops47h 15m

Chicago O'Hare Intl

Mon 8/9

12:10-23:40

1 stop23h 30m

฿33,270

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 1/9

11:35-20:45

1 stop21h 10m

Chicago O'Hare Intl

Mon 8/9

17:45-10:25

2 stops28h 40m

฿34,602

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 14/12

00:15-23:47

2 stops36h 32m

Chicago O'Hare Intl

Thu 15/1

07:30-23:05

2 stops26h 35m

฿36,974

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 14/12

00:15-08:30

1 stop21h 15m

Chicago O'Hare Intl

Thu 15/1

11:25-23:05

1 stop22h 40m

฿41,230

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 28/12

22:25-19:35

2 stops34h 10m

฿22,776

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 19/12

00:15-23:59

2 stops36h 44m

฿23,068

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sat 20/12

19:40-13:00

1 stop30h 20m

฿25,343

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sat 26/7

11:35-21:10

1 stop21h 35m

฿26,577

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 19/12

00:15-08:30

1 stop21h 15m

฿32,426

Flights are sorted by cheapest return flights first.

Deals found on 15/7

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 18 July 2025.
Read through reviews of airlines operating flights from Chiang Mai to Chicago O'Hare Intl Airport, such as EVA Air, Korean Air, andเดลต้า. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,215 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very Good
1,109 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
เดลต้า
8.0
Very Good
7,958 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Cathay Pacific
7.6
Good
936 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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. 2 airlines 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.

  • What are the cheapest airlines flying from Chiang Mai to Chicago O'Hare Intl Airport round-trip?

    Currently priced at ฿34,602, 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. Search Cheapflights for deals from เดลต้า and Korean Air - these airlines can fly you to your destination from ฿36,974 and ฿41,230, respectively. EVA Air is currently priced 13% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chiang Mai to Chicago O'Hare Intl Airport one-way?

    The cheapest airline one-way is เดลต้า, with whom users have recently found tickets for as low as ฿23,068. However, be on the lookout for offers from Cathay Pacific and EVA Air, as they are both options that can get you from Chiang Mai to Chicago O'Hare Intl Airport for a low price.

  • 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

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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 18 July 2025.
EVA Air flights from Chiang Mai to Chicago O'Hare Intl

Top 2 airlines flying from Chiang Mai to O'Hare Intl

Discover the top 2 airlines 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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿25,548Average฿41,971FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
EVA AirCheapest฿33,279Average฿37,733FlexibilityNo 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?

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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