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Chiang Mai

$450+ Cheap flights from Chicago (CHI) to Chiang Mai (CNX)

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CNX
Jun 22 — Jun 291
Sun 6/22
Sun 6/29
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Chiang Mai are usually found in April or September, booked 77 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Chicago to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 June 17, 2025.

Round-trip from

$785
(Ovago)

One-way from

$450
(FlightHub)

Popular in

June

Cheapest in

April

Average price

$2,111
From Chicago (CHI) to Chiang Mai
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One-way flight from Chicago (CHI) to Chiang Mai
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Highest demand for flights based on searches. 23% potential increase in price ($414 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($69 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Chicago to Chiang Mai

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

This Ovago deal was found by Cheapflights users on 6/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:00 pmORD - CNX
1 stop38h 40mCathay Pacific
Tue 12/910:35 amCNX - ORD
1 stop39h 25mCathay Pacific
Deal found 6/16$779
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:10 pmORD - CNX
1 stop21h 45mKorean Air
Mon 11/1012:15 amCNX - ORD
1 stop21h 15mKorean Air
Deal found 6/15$874
This Trip.com deal was found by Cheapflights users on 6/16. 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.
Wed 10/1512:10 pmORD - CNX
1 stop23h 30mMultiple Airlines
Mon 12/812:15 amCNX - ORD
1 stop21h 15mMultiple Airlines
Deal found 6/16$889
This IEagle deal was found by Cheapflights users on 6/15. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2312:30 amORD - CNX
1 stop21h 55mEVA Air
Tue 11/1111:50 amCNX - ORD
1 stop20h 45mEVA Air
Deal found 6/15$1,011
This Delta deal was found by Cheapflights users on 6/16. 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.
Wed 10/157:30 amORD - CNX
2 stops26h 25mDelta
Mon 12/812:15 amCNX - ORD
2 stops36h 32mDelta
Deal found 6/16$1,029
This Delta deal was found by Cheapflights users on 6/16. 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.
Mon 9/14:25 pmMDW - CNX
2 stops41h 30mDelta
Mon 9/811:15 pmCNX - MDW
2 stops31h 22mDelta
Deal found 6/16$1,114
This FlightHub deal was found by Cheapflights users on 6/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:20 amMDW - CNX
2 stops24h 35mKorean Air
Mon 12/812:15 amCNX - MDW
2 stops25h 17mKorean Air
Deal found 6/16$1,379
This Korean Air deal was found by Cheapflights users on 6/16. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/309:24 amMDW - CNX
2 stops24h 31mMultiple Airlines
Thu 7/311:15 pmCNX - MDW
2 stops25h 14mMultiple Airlines
Deal found 6/16$1,718

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago 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 June 17, 2025.
Use the filters below to find and compare flights from Chicago to Chiang Mai that are best for you.

Fly from

Chicago

Fly to

Chiang Mai

Route

Depart

Return

Price

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 9/1

4:00 pm-6:40 pm

1 stop38h 40m

Chiang Mai

Mon 9/8

7:25 pm-2:25 pm

1 stop31h 00m

$785

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 8/12

5:45 pm-9:20 am

2 stops27h 35m

Chiang Mai

Tue 8/26

8:00 pm-2:55 pm

2 stops30h 55m

$905

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 9/1

2:00 pm-9:55 pm

2 stops43h 55m

Chiang Mai

Mon 9/8

11:15 pm-9:30 am

1 stop22h 15m

$959

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 8/31

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Mon 9/8

8:00 pm-8:45 pm

2 stops36h 45m

$1,022

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Mon 9/1

4:25 pm-9:55 pm

2 stops41h 30m

Chiang Mai

Mon 9/8

11:15 pm-6:37 pm

2 stops31h 22m

$1,114

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 7/10

7:59 pm-9:55 pm

2 stops37h 56m

Chiang Mai

Wed 7/16

11:15 pm-11:56 pm

2 stops36h 41m

$1,254

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Mon 6/30

9:24 am-9:55 pm

2 stops24h 31m

Chiang Mai

Thu 7/3

11:15 pm-12:29 pm

2 stops25h 14m

$1,718

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Thu 7/31

6:47 pm-9:55 pm

2 stops39h 08m

Chiang Mai

Thu 8/7

9:45 pm-3:27 pm

2 stops29h 42m

$8,540

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 9/2

12:10 pm-9:55 pm

1 stop21h 45m

$450

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 9/4

12:10 pm-9:50 pm

2 stops45h 40m

$476

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 16 results
1
2

Best time to book a flight from Chicago to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Chicago 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 to Chiang Mai

How far ahead should I book a flight from Chicago to Chiang Mai?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Chiang Mai. Price data was last updated on June 13, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Chiang Mai, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago to Chiang Mai?

Currently, April is the cheapest month in which you can book a flight from Chicago to Chiang Mai (average of $1,012). Flying from Chicago to Chiang Mai in December is currently the most expensive (average of $1,646). 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 CHI to CNX?

Find hourly flight availability from Chicago 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 June 17, 2025.

It’s optimal to fly from Chicago to Chiang Mai in the evening. By choosing this option you can save up to 12% 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 June 17, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Emirates from Chicago to Chiang Mai by reading reviews from past customers. 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
1,204 reviews

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,204 reviews
EVA Air
8.4
Very good
1,204 reviews

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,090 reviews
EVA Air
8.4
Very good
1,204 reviews

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very good
3,267 reviews
EVA Air
8.4
Very good
1,204 reviews

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Delta
8.0
Very good
7,963 reviews
EVA Air
8.4
Very good
1,204 reviews

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Cathay Pacific
7.6
Good
892 reviews
EVA Air
8.4
Very good
1,204 reviews

Overall

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Chicago 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?

    Most people fly into Chiang Mai (CNX) if they book a flight to Chiang Mai from Chicago. On average, Chiang Mai has 0 inbound flights from Chicago per day from 4 airlines. Chiang Mai is conveniently located just 1.9 mi from Chiang Mai’s city center.

  • What are the cheapest airlines flying from Chicago to Chiang Mai round-trip?

    Flying on Cathay Pacific is currently your cheapest option to Chiang Mai, with prices starting at $785. Additional round-trip tickets that might be worth considering are offered by Korean Air and EVA Air, with the lowest prices starting at $959 and $1,022, respectively. These flights start at 42% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Chicago to Chiang Mai one-way?

    One-way options have recently been found by users for as low as $450 on Korean Air. Other airlines that offer cheap prices include EVA Air from $578 and Delta from $580 one-way.

  • Can I find deals for flights from Chicago to Chiang Mai that include hotel bookings?

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

  • How can I find direct flights from Chicago to Chiang Mai?

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

  • Can I find deals for business class flights from Chicago to Chiang Mai?

    Yes. Cheapflights offers flight deals from Chicago 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 to Chiang Mai?

    Currently, April is the cheapest month in which you can book a flight from Chicago to Chiang Mai (average of $1,012). Flying from Chicago to Chiang Mai in December is currently the most expensive (average of $1,646). 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 Chicago to Chiang Mai

Discover the top 4 airlines that operate flights from Chicago 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 June 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$933Average$1,347FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$965Average$1,265FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,014Average$1,448FlexibilityNo cancel feeOn-time74%
DeltaCheapest$1,059Average$1,378FlexibilityNo cancel feeOn-timeN/A

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