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O'Hare Intl

$499+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ORD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,056
(Air Canada)

One-way from

$499
(Kiwi.com)

Popular in

November

Cheapest in

March

Average price

$1,138
Provider with most accurate pricing for Chiang Mai-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Chiang Mai-Chicago O'Hare Intl flights.
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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. 3% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This oojo deal was found by Cheapflights users on 10/30. 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 1/156:06 pmORD - CNX
2 stops27h 29mEVA Air
Deal found 10/30$1,116
This Delta deal was found by Cheapflights users on 10/29. 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 10/29$1,135
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:15 pmCNX - ORD
2 stops28h 40mMultiple Airlines
Sat 1/36:50 pmORD - CNX
2 stops49h 35mMultiple Airlines
Deal found 10/30$1,200

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 October 30, 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

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

$1,135

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Wed 3/4

12:15 am-11:44 pm

2 stops36h 29m

Chicago O'Hare Intl

Mon 3/9

7:35 pm-10:55 pm

2 stops39h 20m

$1,141

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sat 12/20

9:15 pm-12:55 pm

2 stops28h 40m

Chicago O'Hare Intl

Sat 1/3

6:50 pm-9:25 am

2 stops49h 35m

$1,200

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 12/15

11:50 am-7:35 pm

1 stop20h 45m

Chicago O'Hare Intl

Thu 1/15

11:30 pm-10:35 am

1 stop22h 05m

$1,215

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Thu 3/5

12:10 pm-7:35 pm

2 stops44h 25m

Chicago O'Hare Intl

Sun 3/8

12:30 am-1:45 pm

2 stops25h 15m

$1,240

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Fri 12/12

10:10 pm-12:13 am

3 stops39h 03m

$499

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sat 12/27

9:15 pm-6:05 am

3 stops45h 50m

$526

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Thu 12/11

12:15 am-8:30 am

1 stop21h 15m

$648

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Thu 12/11

12:15 am-9:40 pm

2 stops34h 25m

$658

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sat 1/10

8:50 am-2:45 pm

3 stops42h 55m

$786

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 14 results
1
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Compare providers for flights from Chiang Mai to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chiang Mai to O'Hare Intl in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chiang Mai-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chiang Mai-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chiang Mai-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chiang Mai-Chicago O'Hare Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

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

How much does it cost to fly round-trip from Chiang Mai to Chicago O'Hare Intl Airport?

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 October 30, 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
1,265 reviews

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

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
1,265 reviews
EVA Air
8.4
Very good
1,265 reviews

Comfort

8.3

Entertainment

8.0

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

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 15m. 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 $1,007, 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 14% less than the average price by searching for this airline.

  • 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.

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
Des Plaines
Gurnee
Hoffman Estates
Beloit
Elgin
Oak Brook
Elk Grove Village
Naperville
Racine
Downers Grove
Rockford
Orland Park
Merrillville
Bridgeview
Warrenville
Waukegan
Aurora

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,007Average$1,149FlexibilityNo cancel feeOn-time74%

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