HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$540+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — ORD
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chiang Mai to O'Hare Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$991
(Delta)

One-way from

$540
(Mytrip)

Popular in

November

Cheapest in

September

Average price

$1,026
Provider with most accurate pricing for Chiang Mai-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chiang Mai-Chicago O'Hare Intl flights.
Search Deals
From Chiang Mai to Chicago O'Hare Intl
Search Deals
One-way flight from Chiang Mai to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 27, 2025.

This Korean Air deal was found by Cheapflights users on 3/25. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1412:15 amCNX - ORD
1 stop21h 15mKorean Air
Thu 1/1511:25 amORD - CNX
1 stop22h 40mKorean Air
Deal found 3/25$986
This Delta deal was found by Cheapflights users on 3/26. 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.
Thu 5/2911:15 pmCNX - ORD
2 stops36h 44mDelta
Tue 9/167:10 amORD - CNX
2 stops50h 45mDelta
Deal found 3/26$991
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:35 amCNX - ORD
2 stops30h 05mMultiple Airlines
Sat 10/46:50 pmORD - CNX
2 stops27h 35mMultiple Airlines
Deal found 3/25$1,024
This Trip.com deal was found by Cheapflights users on 3/25. 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.
Mon 6/911:35 amCNX - ORD
1 stop21h 25mEVA Air
Sun 7/2012:30 amORD - CNX
1 stop21h 55mEVA Air
Deal found 3/25$1,060
This Air Canada deal was found by Cheapflights users on 3/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:40 pmCNX - ORD
2 stops35h 02mAir Canada
Tue 10/77:46 pmORD - CNX
2 stops32h 54mAir Canada
Deal found 3/25$1,104
This EaseMyTrip deal was found by Cheapflights users on 3/25. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:30 amCNX - ORD
1 stop39h 55mCathay Pacific
Sat 10/44:00 pmORD - CNX
1 stop38h 40mCathay Pacific
Deal found 3/25$1,207
This SWISS deal was found by Cheapflights users on 3/25. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:00 pmCNX - ORD
2 stops55h 55mSWISS
Sun 5/187:05 pmORD - CNX
2 stops30h 40mSWISS
Deal found 3/25$1,223
This Lufthansa deal was found by Cheapflights users on 3/25. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:55 amCNX - ORD
2 stops42h 20mLufthansa
Sun 5/189:40 pmORD - CNX
2 stops34h 50mLufthansa
Deal found 3/25$1,299
This Emirates deal was found by Cheapflights users on 3/25. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:10 amCNX - ORD
2 stops41h 35mEmirates
Thu 10/28:35 pmORD - CNX
2 stops26h 40mEmirates
Deal found 3/25$1,460
This Turkish Airlines deal was found by Cheapflights users on 3/25. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/48:00 pmCNX - ORD
2 stops49h 40mTurkish Airlines
Sun 5/187:50 pmORD - CNX
2 stops35h 20mTurkish Airlines
Deal found 3/25$1,477
This Austrian Airlines deal was found by Cheapflights users on 3/25. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:10 pmCNX - ORD
2 stops28h 10mAustrian Airlines
Thu 10/24:20 pmORD - CNX
2 stops40h 10mAustrian Airlines
Deal found 3/25$1,512
This Qatar Airways deal was found by Cheapflights users on 3/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:00 pmCNX - ORD
2 stops31h 05mQatar Airways
Tue 10/77:20 pmORD - CNX
2 stops35h 50mQatar Airways
Deal found 3/25$1,540

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 March 27, 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

Thu 5/29

11:15 pm-11:59 pm

2 stops36h 44m

Chicago O'Hare Intl

Sat 9/20

6:00 am-9:55 pm

2 stops27h 55m

$991

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 9/21

11:35 am-5:40 am

2 stops30h 05m

Chicago O'Hare Intl

Sat 10/4

6:50 pm-10:25 am

2 stops27h 35m

$1,024

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 6/9

11:35 am-9:00 pm

1 stop21h 25m

Chicago O'Hare Intl

Sun 7/20

12:30 am-10:25 am

1 stop21h 55m

$1,060

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 6/2

11:15 pm-9:40 am

1 stop22h 25m

Chicago O'Hare Intl

Fri 9/19

12:10 pm-9:55 pm

1 stop21h 45m

$1,087

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 9/22

5:40 pm-4:42 pm

2 stops35h 02m

Chicago O'Hare Intl

Tue 10/7

7:46 pm-4:40 pm

2 stops32h 54m

$1,104

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 9/21

10:30 am-2:25 pm

1 stop39h 55m

Chicago O'Hare Intl

Sat 10/4

4:00 pm-6:40 pm

1 stop38h 40m

$1,207

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 5/11

8:00 pm-3:55 pm

2 stops55h 55m

Chicago O'Hare Intl

Sun 5/18

7:05 pm-1:45 pm

2 stops30h 40m

$1,223

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Mon 5/12

11:55 am-6:15 pm

2 stops42h 20m

Chicago O'Hare Intl

Sun 5/18

9:40 pm-8:30 pm

2 stops34h 50m

$1,299

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Thu 9/18

10:10 am-3:45 pm

2 stops41h 35m

Chicago O'Hare Intl

Thu 10/2

8:35 pm-11:15 am

2 stops26h 40m

$1,460

Chiang MaiChicago

CNX - ORD

CNXORD

Chiang Mai

Sun 5/4

8:00 pm-9:40 am

2 stops49h 40m

Chicago O'Hare Intl

Sun 5/18

7:50 pm-7:10 pm

2 stops35h 20m

$1,477

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 22 results
1
2
3

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chiang Mai-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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 $323). 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.

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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 March 27, 2025.
EVA Air
8.4
Very good
1,169 reviews

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,169 reviews
EVA Air
8.4
Very good
1,169 reviews

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,050 reviews
EVA Air
8.4
Very good
1,169 reviews

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Asiana Airlines
8.2
Very good
441 reviews
EVA Air
8.4
Very good
1,169 reviews

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Emirates
8.0
Very good
3,189 reviews
EVA Air
8.4
Very good
1,169 reviews

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Delta
8.0
Very good
7,895 reviews
EVA Air
8.4
Very good
1,169 reviews

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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.

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

    Currently priced at $991, Delta will fly you from Chiang Mai to Chicago O'Hare Intl Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from EVA Air and Korean Air - these airlines can fly you to your destination from $1,060 and $1,087, respectively. You may be able to fly from Chiang Mai to Chicago O'Hare Intl Airport for 18% less than the average price by searching for these airlines.

  • 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 $720 on Cathay Pacific. Other airlines that offer cheap prices include Air Canada from $745 and EVA Air from $812 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 $323). 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 Chiang Mai?

Book flights to Chiang Mai if you plan to visit one of these locations
Rosemont
Beloit
Naperville
Schaumburg
Racine
Hoffman Estates
Rockford
Tinley Park
Skokie
Kenosha
Arlington Heights
Joliet
Orland Park
Merrillville
Northbrook
Evanston
New Buffalo
Elgin
Glenview
Lake Geneva

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$986Average$1,030FlexibilityNo cancel feeOn-time74%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.