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Cheap flights from Chiang Mai to Chicago O'Hare Intl Airport from ฿20,919

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ORD
20 Jun — 27 Jun1
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 15 June 2025.

Round-trip from

฿34,285

One-way from

฿20,919

Popular in

November

Cheapest in

September

Average price

฿37,384
EVA Air
  • EVA Air
  • 1/10-30/10
  • 3 total stops
  • 49h 48m total
  • Chiang Mai to Chicago
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20/7
  • 20/7
  • 3 total stops
  • 55h 00m total
  • Chiang Mai to Chicago
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (฿187,306 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿42,162 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 15 June 2025.

Wed 1/1011:35CNX - ORD
1 stop21h 10mEVA Air
Thu 30/1017:57ORD - CNX
2 stops28h 38mEVA Air
Deal found 13/6฿34,285
Sun 14/1200:15CNX - ORD
2 stops30h 31mเดลต้า
Thu 15/107:15ORD - CNX
2 stops26h 50mเดลต้า
Deal found 13/6฿36,512
Sun 14/1200:15CNX - ORD
1 stop21h 15mKorean Air
Thu 15/111:25ORD - CNX
1 stop22h 40mKorean Air
Deal found 13/6฿40,677
Wed 1/1010:30CNX - ORD
1 stop39h 55mCathay Pacific
Wed 29/1015:40ORD - CNX
1 stop30h 10mCathay Pacific
Deal found 13/6฿42,807
Mon 28/713:20CNX - ORD
3 stops28h 05mMultiple Airlines
Sun 3/801:30ORD - CNX
2 stops32h 25mMultiple Airlines
Deal found 13/6฿45,164
Wed 1/1011:30CNX - ORD
2 stops30h 31mChina Southern
Thu 30/1018:35ORD - CNX
3 stops35h 15mChina Southern
Deal found 13/6฿68,182

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 15 June 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

Wed 1/10

11:35-20:45

1 stop21h 10m

Chicago O'Hare Intl

Thu 30/10

17:57-10:35

2 stops28h 38m

฿34,285

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 1/10

10:30-14:25

1 stop39h 55m

Chicago O'Hare Intl

Wed 29/10

15:40-09:50

1 stop30h 10m

฿42,807

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 28/7

13:20-05:25

3 stops28h 05m

Chicago O'Hare Intl

Sun 3/8

01:30-21:55

2 stops32h 25m

฿45,164

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 1/10

23:15-09:30

1 stop22h 15m

Chicago O'Hare Intl

Thu 30/10

12:05-23:05

1 stop23h 00m

฿52,202

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 1/10

11:30-06:01

2 stops30h 31m

Chicago O'Hare Intl

Thu 30/10

18:35-17:50

3 stops35h 15m

฿68,182

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 20/7

22:55-17:55

3 stops55h 00m

฿20,919

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 2/7

23:15-00:03

2 stops36h 48m

฿22,986

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 20/7

11:35-21:10

1 stop21h 35m

฿26,343

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 7/7

19:25-14:25

1 stop31h 00m

฿28,183

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 6/7

00:20-20:25

2 stops32h 05m

฿45,067

Flights are sorted by cheapest return flights first.

Deals found on 13/6

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.

Cheapflights Insights

Everything you need to know about your flight from Chiang Mai to Chicago O'Hare Intl Airport

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 15 June 2025.
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

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
1,204 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

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
1,091 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

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
Asiana Airlines
8.2
Very Good
440 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

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
7,961 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

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
892 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.6

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 ฿34,285, 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 Cathay Pacific and Korean Air - these airlines can fly you to your destination from ฿42,807 and ฿51,330, 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 ฿22,986. However, be on the lookout for offers from EVA Air and Cathay Pacific, 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 15 June 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 15 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿25,384Average฿41,703FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
EVA AirCheapest฿29,102Average฿37,606FlexibilityNo 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?

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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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