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Chiang Mai

$475+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CNX
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
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Cheap 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 December 5, 2025.

This oojo deal was found by Cheapflights users on 12/3. 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.
Fri 12/261:10 pmORD - CNX
1 stop27h 55mEtihad Airways
Thu 2/198:50 amCNX - ORD
1 stop35h 45mEtihad Airways
Deal found 12/3$1,593
This FlightHub deal was found by Cheapflights users on 12/3. 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.
Fri 12/2611:30 pmORD - CNX
2 stops44h 55mEVA Air
Thu 2/1910:10 amCNX - ORD
2 stops46h 25mEVA Air
Deal found 12/3$1,678
This KAYAK deal was found by Cheapflights users on 12/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:30 pmORD - CNX
1 stop22h 05mEVA Air
Sat 12/279:40 pmCNX - ORD
2 stops34h 55mEVA Air
Deal found 12/4$1,726
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:30 pmORD - CNX
1 stop22h 05mEVA Air
Mon 12/2911:50 amCNX - ORD
1 stop20h 45mEVA Air
Deal found 12/4$1,755
This KAYAK deal was found by Cheapflights users on 12/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:30 pmORD - CNX
1 stop22h 05mEVA Air
Sun 12/289:40 pmCNX - ORD
2 stops34h 55mEVA Air
Deal found 12/4$1,773
This KAYAK deal was found by Cheapflights users on 12/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:30 pmORD - CNX
1 stop22h 05mEVA Air
Tue 12/3011:50 amCNX - ORD
1 stop20h 45mEVA Air
Deal found 12/4$2,023
This KAYAK deal was found by Cheapflights users on 12/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:30 pmORD - CNX
2 stops32h 30mEVA Air
Mon 12/2911:50 amCNX - ORD
1 stop20h 45mEVA Air
Deal found 12/4$2,073
This Delta deal was found by Cheapflights users on 12/3. 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.
Fri 12/266:00 amMDW - CNX
2 stops27h 55mDelta
Wed 1/712:15 amCNX - MDW
2 stops29h 14mDelta
Deal found 12/3$3,065
This Delta deal was found by Cheapflights users on 12/4. 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 12/215:05 pmMDW - CNX
2 stops40h 50mDelta
Tue 1/612:15 amCNX - MDW
2 stops34h 52mDelta
Deal found 12/4$3,117
This Delta deal was found by Cheapflights users on 12/4. 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 12/226:00 amMDW - CNX
2 stops27h 55mDelta
Mon 1/512:15 amCNX - MDW
2 stops34h 52mDelta
Deal found 12/4$3,552
This Delta deal was found by Cheapflights users on 12/4. 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 12/204:03 pmMDW - CNX
2 stops41h 52mDelta
Mon 1/512:15 amCNX - MDW
2 stops34h 52mDelta
Deal found 12/4$3,597
This Delta deal was found by Cheapflights users on 12/4. 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.
Fri 12/266:00 amMDW - CNX
2 stops27h 55mDelta
Thu 1/112:15 amCNX - MDW
2 stops29h 05mDelta
Deal found 12/4$3,760

Find 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 December 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$837
(FlightHub)

One-way from

$475
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,316
Provider with most accurate pricing for Chicago (CHI)-Chiang Mai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Chiang Mai flights.
Search Deals
From Chicago (CHI) to Chiang Mai
Search Deals
One-way flight from Chicago (CHI) to Chiang Mai
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($465 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 5, 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

Wed 2/18

11:30 pm-9:00 pm

2 stops32h 30m

Chiang Mai

Wed 3/11

11:50 am-8:35 pm

1 stop20h 45m

$938

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 1/21

11:30 pm-10:35 am

1 stop22h 05m

Chiang Mai

Wed 2/4

11:50 am-7:35 pm

1 stop20h 45m

$940

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 1/22

1:10 pm-6:05 am

1 stop27h 55m

Chiang Mai

Tue 2/3

8:50 am-7:35 am

1 stop35h 45m

$957

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 1/31

2:35 pm-9:50 am

1 stop30h 15m

Chiang Mai

Sat 2/7

10:35 am-12:55 pm

1 stop39h 20m

$968

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 1/15

4:25 pm-9:25 am

2 stops28h 00m

Chiang Mai

Sun 2/15

5:05 pm-7:20 am

2 stops27h 15m

$970

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 2/1

11:30 pm-1:45 pm

2 stops25h 15m

Chiang Mai

Thu 2/5

11:50 am-7:35 pm

1 stop20h 45m

$976

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Fri 4/3

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Wed 6/3

8:00 pm-9:00 pm

2 stops37h 00m

$976

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Thu 2/19

11:30 pm-9:00 pm

2 stops32h 30m

Chiang Mai

Thu 2/26

9:25 am-7:35 pm

2 stops23h 10m

$978

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 3/4

11:30 pm-10:35 am

1 stop22h 05m

Chiang Mai

Sun 3/8

11:50 am-7:35 pm

1 stop20h 45m

$993

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Thu 2/19

6:00 am-10:55 pm

2 stops27h 55m

Chiang Mai

Wed 2/25

12:15 am-5:45 pm

2 stops30h 30m

$1,308

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 29 results
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Compare providers for flights from Chicago 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 Chicago to Chiang Mai in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice 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 Chicago-Chiang Mai flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Chiang Mai flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Chiang Mai 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 Chicago-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 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

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

Currently, February is the cheapest month in which you can book a flight from Chicago to Chiang Mai (average of $737). Flying from Chicago to Chiang Mai in June is currently the most expensive (average of $1,583). 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 December 5, 2025.

It’s optimal to fly from Chicago to Chiang Mai at noon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the morning.

What’s the top layover airport for flights from Chicago to Chiang Mai?

Share of 1-stop round-trip flights from Chicago to Chiang Mai chosen by Cheapflights users in the past 12 months, using the same layover each way.

Taipei City (TPE) – chosen by Cheapflights users on 80% of 1-stop itineraries from Chicago to Chiang Mai on Cheapflights.

What’s the cheapest layover airport for flights from Chicago to Chiang Mai?

Average round-trip fare for 1-stop flights from Chicago to Chiang Mai, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Incheon (ICN) is the most affordable 1-stop option, with an average round-trip price of $1,116.

What’s the fastest layover option from Chicago to Chiang Mai?

Shortest average travel time for 1-stop one-way flights from Chicago to Chiang Mai, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 22h 00m.

Which airport typically offers the quickest layover for flights from Chicago to Chiang Mai?

Average layover duration for 1-stop one-way flights from Chicago to Chiang Mai, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Taipei City (TPE) offer the fastest connection on this route, with an average layover time of 2h 43m.

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 December 5, 2025.
See what other customers who have flown with EVA Air, Korean Air, and Delta from Chicago to Chiang Mai 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
8.5
Very good
1,292 reviews

Crew

8.6

Food

8.1

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very good
1,292 reviews
EVA Air
8.5
Very good
1,292 reviews

Crew

8.6

Food

8.1

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Korean Air
8.4
Very good
1,179 reviews
EVA Air
8.5
Very good
1,292 reviews

Crew

8.6

Food

8.1

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Delta
7.9
Good
8,011 reviews
EVA Air
8.5
Very good
1,292 reviews

Crew

8.6

Food

8.1

Boarding

8.4

Overall

8.5

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

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.

  • How long is the flight from Chicago to Chiang Mai?

    EVA Air, Etihad Airways, and Cathay Pacific can get you from Chicago to Chiang Mai in just under 27h 55m. Your travel time can differ by up to 4h 35m. The distance from Chicago to Chiang Mai is about 8211 mi. This flight may include one or multiple stops.

  • 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 $805. Additional round-trip tickets that might be worth considering are offered by Delta and Korean Air, with the lowest prices starting at $849 and $923, respectively. These flights start at 38% lower than the current average price 3 months from now.

  • 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, February is the cheapest month in which you can book a flight from Chicago to Chiang Mai (average of $737). Flying from Chicago to Chiang Mai in June is currently the most expensive (average of $1,583). 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

Browse thousands of different options on Cheapflights for your next trip

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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 December 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$805Average$1,358FlexibilityNo cancel feeOn-time72%
DeltaCheapest$849Average$1,364FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$965Average$1,291FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$973Average$1,440FlexibilityNo cancel feeOn-time74%

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