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O'Hare Intl

$554+ Cheap flights from Chiang Mai (CNX) to O'Hare Intl (ORD)

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ORD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$1,059
(Gotogate)

One-way from

$554
(Orbitz)

Popular in

November

Cheapest in

March

Average price

$1,094
From Chiang Mai to Chicago O'Hare Intl
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One-way flight from Chiang Mai to Chicago O'Hare Intl
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Highest demand for flights based on searches. 9% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Gotogate deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:15 amCNX - ORD
2 stops63h 26mMultiple Airlines
Sun 10/265:35 pmORD - CNX
2 stops27h 50mMultiple Airlines
Deal found 9/16$1,059
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:35 amCNX - ORD
1 stop21h 10mEVA Air
Thu 10/305:53 pmORD - CNX
2 stops28h 42mEVA Air
Deal found 9/15$1,080
This Trip.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:35 amCNX - ORD
1 stop21h 10mEVA Air
Sat 10/2512:30 amORD - CNX
1 stop22h 05mEVA Air
Deal found 9/16$1,099
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:45 pmCNX - ORD
2 stops36h 50mEVA Air
Thu 1/152:00 pmORD - CNX
2 stops31h 35mEVA Air
Deal found 9/16$1,135
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1412:15 amCNX - ORD
1 stop21h 15mDelta
Thu 1/157:30 amORD - CNX
2 stops26h 25mDelta
Deal found 9/16$1,145

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 17, 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

Fri 10/24

11:15 am-2:41 pm

2 stops63h 26m

Chicago O'Hare Intl

Sun 10/26

5:35 pm-9:25 am

2 stops27h 50m

$1,059

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 10/24

11:35 am-8:45 pm

1 stop21h 10m

Chicago O'Hare Intl

Sat 10/25

12:30 am-10:35 am

1 stop22h 05m

$1,099

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 10/1

9:25 am-8:45 pm

2 stops23h 20m

Chicago O'Hare Intl

Thu 10/30

3:25 pm-10:35 am

2 stops31h 10m

$1,134

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 12/14

12:15 am-8:30 am

1 stop21h 15m

Chicago O'Hare Intl

Thu 1/15

7:30 am-10:55 pm

2 stops26h 25m

$1,145

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sat 2/21

4:35 pm-2:41 pm

2 stops35h 06m

$554

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sat 2/21

6:00 pm-5:04 am

3 stops48h 04m

$651

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 2/20

12:15 am-8:40 am

1 stop21h 25m

$661

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 2/20

12:15 am-11:44 pm

2 stops36h 29m

$725

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sat 2/21

8:50 am-7:55 am

1 stop36h 05m

$1,230

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 3/16

12:15 am-9:14 pm

2 stops32h 59m

$1,537

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 11 results
1
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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 round-trip 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 September 17, 2025.
See what other customers who have flown with EVA Air from Chiang Mai to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,237 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,237 reviews
EVA Air
8.4
Very good
1,237 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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?

    Most people fly from Chiang Mai (CNX) if they book a flight from Chiang Mai to Chicago O'Hare Intl. On average, Chiang Mai has 0 outbound flights to Chicago O'Hare Intl per day from 1 airline. Chiang Mai is conveniently located just 1.9 mi from Chiang Mai’s city center.

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

    Departing from Chiang Mai to Chicago O'Hare Intl Airport will take you 21h 10m. Chiang Mai and Chicago O'Hare Intl Airport are separated by a distance of 8211 mi.

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

    Currently priced at $1,014, 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. You may be able to fly from Chiang Mai to Chicago O'Hare Intl Airport for 15% less than the average price by searching for this airline.

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

    One-way options have recently been found by users for as low as $554 on Air Canada. Other airlines that offer cheap prices include Korean Air from $661 and Delta from $725 one-way.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from Chiang Mai to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Chiang Mai to Chicago O'Hare Intl Airport (average of $245). Flying from Chiang Mai to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling 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
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Orland Park
Beloit
Racine
Rockford
Oak Brook
Elk Grove Village
Downers Grove
Naperville
Evanston
Merrillville
Bridgeview
Warrenville

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Alternative routes for Chiang Mai to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to O'Hare Intl flights
Suvarnabhumi to Midway flights
Don Mueang Intl to O'Hare Intl flights

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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,014Average$1,149FlexibilityNo cancel feeOn-time74%

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