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

Korean Air and 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 8h 57m. 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 ฿36,603, 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 16% below the average price you’ll pay for this route.

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.

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).

What is the cheapest time of day to fly from CNX to ORD?

When flying from Chiang Mai to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

฿13,218+ Cheap Flights from Chiang Mai to Chicago O'Hare Intl Airport

Cheap flight deals from Chiang Mai to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 10 September 2026.

Tue 29/910:10 -

2 stops34h 25m

Sun 8/1113:10 -

2 stops31h 15m

Deal found 5/9฿33,176

Mon 14/911:55 -

2 stops32h 40m

Thu 15/1014:00 -

2 stops31h 20m

Deal found 6/9฿33,340

Tue 29/921:25 -

2 stops35h 20m

Sun 8/1114:10 -

1 stop39h 45m

Deal found 5/9฿33,998

Fri 9/1020:00 -

2 stops31h 40m

Mon 12/1014:00 -

2 stops31h 20m

Deal found 7/9฿34,360

Sat 19/920:00 -

2 stops31h 40m

Sun 8/1113:10 -

2 stops31h 15m

Deal found 9/9฿34,393

Tue 22/909:35 -

2 stops47h 10m

Sun 8/1114:10 -

1 stop39h 45m

Deal found 5/9฿36,168

Wed 23/922:30 -

2 stops34h 15m

Sun 8/1114:10 -

1 stop39h 45m

Deal found 5/9฿36,234

Fri 18/922:30 -

2 stops58h 15m

Sun 8/1114:10 -

1 stop39h 45m

Deal found 6/9฿36,267

Thu 24/906:50 -

2 stops25h 55m

Sun 8/1114:10 -

1 stop39h 45m

Deal found 5/9฿36,431

Find flight deals from Chiang Mai to O'Hare Intl

Round-trip from	฿33,176
One-way from	฿13,218
Popular in	August
Cheapest in	November
Average price	฿42,415

เอทิฮัดแอร์เวย์
29/9-8/11
4 total stops
65h 40m total
Chiang Mai to Chicago

Search Deals

เอทิฮัดแอร์เวย์
4/11-31/12
1 total stop
35h 45m total
Chiang Mai to Chicago

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (฿227,728 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (฿92,294 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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 Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Tue 20/10

06:35-06:34

3 stops59h 59m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿18,018

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Wed 21/10

06:35-06:34

3 stops35h 59m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿18,972

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Tue 10/11

17:00-23:59

2 stops43h 59m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,846

Fastest return journey

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Mon 9/11

00:20-08:30

1 stop21h 10m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿22,753

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Thu 5/11

00:20-08:30

1 stop21h 10m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿22,950

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Fri 6/11

00:20-08:30

1 stop21h 10m

Chicago O'Hare Intl

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿22,950

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Wed 4/11

00:20-08:30

1 stop21h 10m

Chicago O'Hare Intl

Sat 7/11

11:10-22:45

1 stop22h 35m

฿39,620

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Sat 19/9

11:35-05:42

2 stops30h 07m

Chicago O'Hare Intl

Sat 7/11

15:47-10:35

2 stops29h 48m

฿45,572

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Mon 21/9

11:35-05:41

2 stops54h 06m

Chicago O'Hare Intl

Sat 7/11

15:47-10:35

2 stops53h 48m

฿45,572

Chiang MaiChicago

CNX Chiang Mai - ORD Chicago O'Hare Intl

CNXORD

Chiang Mai

Tue 6/10

11:35-05:45

2 stops30h 10m

Chicago O'Hare Intl

Tue 3/11

23:30-19:00

2 stops30h 30m

฿45,966

Flights are sorted by cheapest return flights first.

Deals found on 5/9

Showing 1-10 of 16 resultsSorted 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.

CNX-ORD

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

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

1,522 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

EVA Air

8.5

Very Good

1,522 reviews

EVA Air

8.5

Very Good

1,522 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Related info for your journey

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?
Korean Air and 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 8h 57m. 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 ฿36,603, 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 16% 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

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

EVA Air flights from Chiang Mai to Chicago O'Hare Intl

Top airline flying from Chiang Mai to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
EVA Air	Cheapest฿36,603	Average฿44,473	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights

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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?

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Cheap flights from Chiang Mai to Chicago O'Hare Intl Airport from ฿13,218

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chiang Mai to O'Hare Intl

Cheapest flights from Chiang Mai to O'Hare IntlExplore 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 10 September 2026.

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 10 September 2026.

Best flights from Chiang Mai to O'Hare IntlDiscover carefully curated flight deals from Chiang Mai to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Chiang Mai to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Chiang Mai to O'Hare IntlDiscover last-minute flight deals from Chiang Mai to O'Hare Intl. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to O'Hare Intl. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Chiang Mai to O'Hare IntlSearch for one-way flight options from Chiang Mai to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Chiang Mai to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Find flight deals from Chiang Mai to O'Hare Intl

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Chiang Mai to Chicago O'Hare Intl Airport that are best for you.

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.

Reviews of airlines servicing O'Hare Intl

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.

Related info for your journey

What airport do you fly from for flights from Chiang Mai to Chicago O'Hare Intl?

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

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

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

How can I 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?

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

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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 10 September 2026.

Alternative routes for Chiang Mai to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Chiang Mai to O'Hare Intl by cabin class

Find flights from Chiang Mai to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Chiang Mai and O'Hare Intl flights

Browse other Chiang Mai and O'Hare Intl flight options. Last updated on 10 September 2026.

Other flights from Chiang Mai

Browse through other flights departing from Chiang Mai. Flights are based on user searches made on Cheapflights and were last updated on 10 September 2026.

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

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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 10 September 2026.

Best flights from Chiang Mai to O'Hare Intl
Discover carefully curated flight deals from Chiang Mai to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Chiang Mai to O'Hare Intl
Discover last-minute flight deals from Chiang Mai to O'Hare Intl. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Chiang Mai to O'Hare Intl
Search for one-way flight options from Chiang Mai to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.