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Chiang Mai

$753+ Cheap flights from O'Hare Intl (ORD) to Chiang Mai (CNX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNX
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Chiang Mai are usually found in February or September, booked 13 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from O'Hare Intl to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Chiang Mai (CNX). 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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$784
(Expedia)

Popular in

June

Cheapest in

February

Average price

$1,251
Provider with most accurate pricing for Chicago O'Hare Intl-Chiang Mai flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Chiang Mai flights.
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From Chicago O'Hare Intl to Chiang Mai
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Highest demand for flights based on searches. 20% potential increase in price ($327 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from O'Hare Intl to Chiang Mai

Cheapest flights from O'Hare Intl to Chiang Mai
Explore the most affordable flight options available from O'Hare Intl to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This FlightHub deal was found by Cheapflights users on 4/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:45 pmORD - CNX
2 stops27h 35mMultiple Airlines
Mon 9/84:55 pmCNX - ORD
2 stops27h 45mMultiple Airlines
Deal found 4/17$753
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:00 pmORD - CNX
1 stop38h 40mCathay Pacific
Mon 9/810:30 amCNX - ORD
1 stop39h 55mCathay Pacific
Deal found 4/17$876
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:05 amORD - CNX
1 stop23h 00mKorean Air
Mon 11/2412:15 amCNX - ORD
1 stop21h 15mKorean Air
Deal found 4/17$966
This oojo deal was found by Cheapflights users on 4/17. 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 5/512:30 amORD - CNX
1 stop21h 55mEVA Air
Tue 5/2711:35 amCNX - ORD
1 stop21h 25mEVA Air
Deal found 4/17$974
This Delta deal was found by Cheapflights users on 4/17. 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.
Sat 5/31:30 pmORD - CNX
2 stops44h 25mDelta
Sun 5/2511:15 pmCNX - ORD
2 stops34h 15mDelta
Deal found 4/17$977
This oojo deal was found by Cheapflights users on 4/17. 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 5/76:58 pmORD - CNX
2 stops27h 22mChina Airlines
Tue 5/2011:20 amCNX - ORD
2 stops30h 20mChina Airlines
Deal found 4/17$1,053
This Etihad Airways deal was found by Cheapflights users on 4/17. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/51:55 pmORD - CNX
2 stops31h 25mEtihad Airways
Sat 5/248:00 pmCNX - ORD
2 stops48h 45mEtihad Airways
Deal found 4/17$1,251

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Chiang Mai 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 April 17, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Chiang Mai that are best for you.

Fly from

O'Hare Intl

Fly to

Chiang Mai

Route

Depart

Return

Price

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 4/26

5:45 pm-8:05 pm

2 stops38h 20m

Chiang Mai

Mon 5/26

9:10 pm-3:20 pm

2 stops54h 10m

$870

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 5/5

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Tue 5/27

11:35 am-9:00 pm

1 stop21h 25m

$974

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 5/3

1:30 pm-9:55 pm

2 stops44h 25m

Chiang Mai

Sun 5/25

11:15 pm-9:30 pm

2 stops34h 15m

$977

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 5/7

4:00 pm-9:45 am

1 stop29h 45m

Chiang Mai

Tue 5/20

10:30 am-2:25 pm

1 stop39h 55m

$980

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 5/7

6:58 pm-10:20 am

2 stops27h 22m

Chiang Mai

Tue 5/20

11:20 am-5:40 am

2 stops30h 20m

$1,053

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 5/4

9:30 am-9:55 pm

2 stops24h 25m

Chiang Mai

Sun 5/25

11:15 pm-9:40 am

1 stop22h 25m

$1,249

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 5/5

1:55 pm-9:20 am

2 stops31h 25m

Chiang Mai

Sat 5/24

8:00 pm-8:45 am

2 stops48h 45m

$1,251

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 6/1

6:20 pm-9:55 pm

2 stops39h 35m

$980

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 6/1

4:00 pm-6:40 pm

1 stop38h 40m

$1,208

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 5/31

12:30 am-10:25 am

1 stop21h 55m

$1,265

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Compare providers for flights from O'Hare Intl to Chiang Mai

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 O'Hare Intl to Chiang Mai in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
GotogatePrice Accuracy3 starsTrust Score*2 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 Chicago O'Hare Intl Airport-Chiang Mai flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago O'Hare Intl Airport-Chiang Mai flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Chiang Mai flights, Cheapflights users trust AranGrant the most. AranGrant 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 Chicago O'Hare Intl Airport-Chiang Mai 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 O'Hare Intl to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from O'Hare Intl 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 Chicago O'Hare Intl Airport to Chiang Mai

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Chiang Mai?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Chiang Mai. Price data was last updated on April 11, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Chiang Mai is 13 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Mai (average of $1,016). Flying from Chicago O'Hare Intl Airport to Chiang Mai in December is currently the most expensive (average of $1,678). 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.

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

Find hourly flight availability from O'Hare Intl to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to Chiang Mai at noon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the morning.

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. 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 Chiang Mai. Reviews last updated April 17, 2025.
See what other customers who have flown with EVA Air, Korean Air and China Airlines from Chicago to Chiang Mai have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

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
1,177 reviews
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

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
1,064 reviews
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

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.
China Airlines
8.2
Very good
729 reviews
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

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
7,916 reviews
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

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.
Cathay Pacific
7.5
Good
849 reviews
EVA Air
8.4
Very good
1,177 reviews

Food

8.1

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.4

Crew

8.6

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 O'Hare Intl to Chiang Mai. 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 into for flights to Chiang Mai from Chicago O'Hare Intl?

    Chiang Mai (CNX), located 1.9 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Chiang Mai. 4 airlines have flights to Chiang Mai from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Chiang Mai should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

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

    According to our current data, Cathay Pacific ($933), EVA Air ($974), and Delta ($977) offers the cheapest pricing from Chicago O'Hare Intl Airport to Chiang Mai. Cathay Pacific is 27% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $980. Cathay Pacific flights start at $1,208 while deals on EVA Air start at $1,265 one-way.

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

    Yes. In addition to deals on O'Hare Intl to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Chiang Mai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Chiang Mai.

  • Can I find deals for business class flights from O'Hare Intl to Chiang Mai?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Chiang Mai 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 Chicago O'Hare Intl Airport to Chiang Mai?

    Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Mai (average of $1,016). Flying from Chicago O'Hare Intl Airport to Chiang Mai in December is currently the most expensive (average of $1,678). 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

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Top 4 airlines flying from O'Hare Intl to Chiang Mai

Discover the top 4 airlines that operate flights from O'Hare Intl to Chiang Mai. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$805Average$1,205FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$991Average$1,271FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,008Average$1,375FlexibilityNo cancel feeOn-time74%
DeltaCheapest$1,070Average$1,373FlexibilityNo cancel feeOn-timeN/A

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