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Chiang Mai

$542+ Cheap flights from Illinois 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNX
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Illinois to Chiang Mai

Keep the following information in mind while searching for Illinois to Chiang Mai flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$918
(Gotogate)

One-way from

$605
(oojo)

Popular in

May

Cheapest in

September

Average price

$1,173
Provider with most accurate pricing for Chicago (CHI)-Chiang Mai flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Chiang Mai flights.
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From Illinois to Chiang Mai
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One-way flight from Illinois to Chiang Mai
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Highest demand for flights based on searches. 14% potential increase in price ($233 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Illinois to Chiang Mai

Cheapest flights from Illinois to Chiang Mai
Explore the most affordable flight options available from Illinois to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/19. 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 3/314:00 pmORD - CNX
1 stop38h 40mCathay Pacific
Wed 4/167:25 pmCNX - ORD
1 stop31h 00mCathay Pacific
Deal found 2/19$878
This oojo deal was found by Cheapflights users on 2/19. 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.
Sun 3/3012:30 amORD - CNX
1 stop21h 55mEVA Air
Wed 4/1611:35 amCNX - ORD
1 stop21h 25mEVA Air
Deal found 2/19$973
This BYOjet deal was found by Cheapflights users on 2/20. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3112:30 amORD - CNX
1 stop21h 55mMultiple Airlines
Tue 4/811:35 amCNX - ORD
2 stops30h 05mMultiple Airlines
Deal found 2/20$1,034
This Delta deal was found by Cheapflights users on 2/20. 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 4/68:10 pmORD - CNX
2 stops37h 45mDelta
Sun 4/1311:15 pmCNX - ORD
2 stops36h 44mDelta
Deal found 2/20$1,072
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 4/19:25 amMDW - CNX
2 stops24h 30mDelta
Tue 4/1511:15 pmCNX - MDW
2 stops31h 05mDelta
Deal found 2/19$1,072
This Ovago deal was found by Cheapflights users on 2/18. 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.
Fri 11/711:05 amORD - CNX
1 stop38h 00mKorean Air
Sun 11/163:20 pmCNX - ORD
1 stop30h 10mKorean Air
Deal found 2/18$1,096
This oojo deal was found by Cheapflights users on 2/19. 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 3/242:10 pmORD - CNX
2 stops31h 10mEtihad Airways
Fri 4/118:00 pmCNX - ORD
2 stops48h 55mEtihad Airways
Deal found 2/19$1,263
This Gurufare deal was found by Cheapflights users on 2/19. 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 3/3112:00 pmORD - CNX
3 stops58h 25mChina Southern
Fri 4/186:50 pmCNX - ORD
2 stops46h 24mChina Southern
Deal found 2/19$1,363
This Korean Air deal was found by Cheapflights users on 2/19. 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 3/249:25 amMDW - CNX
2 stops40h 40mMultiple Airlines
Fri 4/1111:15 pmCNX - MDW
2 stops25h 17mMultiple Airlines
Deal found 2/19$1,426
This Korean Air deal was found by Cheapflights users on 2/19. 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.
Sat 3/156:00 amSTL - CNX
2 stops44h 05mMultiple Airlines
Mon 3/3111:15 pmCNX - STL
2 stops35h 48mMultiple Airlines
Deal found 2/19$1,573
This Qatar Airways deal was found by Cheapflights users on 2/19. 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.
Sat 3/154:26 pmSTL - CNX
3 stops33h 19mQatar Airways
Mon 3/312:35 pmCNX - STL
3 stops40h 55mQatar Airways
Deal found 2/19$2,596
This oojo deal was found by Cheapflights users on 2/19. 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.
Sat 3/157:00 amSTL - CNX
2 stops52h 05mAsiana Airlines
Sun 3/3012:45 amCNX - STL
2 stops52h 07mAsiana Airlines
Deal found 2/19$4,388

Find flights from Illinois to Chiang Mai within your budget

Customize your flight search to find flights from Illinois 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 February 20, 2025.

Fly from

Illinois

Fly to

Chiang Mai

Route

Depart

Return

Price

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 3/31

4:00 pm-6:40 pm

1 stop38h 40m

Chiang Mai

Wed 4/16

7:25 pm-2:25 pm

1 stop31h 00m

$878

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 3/30

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Wed 4/16

11:35 am-9:00 pm

1 stop21h 25m

$973

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 3/31

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Tue 4/8

11:35 am-5:40 am

2 stops30h 05m

$1,034

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 4/6

8:10 pm-9:55 pm

2 stops37h 45m

Chiang Mai

Sun 4/13

11:15 pm-11:59 pm

2 stops36h 44m

$1,072

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Tue 4/1

9:25 am-9:55 pm

2 stops24h 30m

Chiang Mai

Tue 4/15

11:15 pm-6:20 pm

2 stops31h 05m

$1,072

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 3/24

2:10 pm-9:20 am

2 stops31h 10m

Chiang Mai

Fri 4/11

8:00 pm-8:55 am

2 stops48h 55m

$1,263

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 3/31

12:00 pm-10:25 am

3 stops58h 25m

Chiang Mai

Fri 4/18

6:50 pm-5:14 am

2 stops46h 24m

$1,363

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Mon 3/24

9:25 am-2:05 pm

2 stops40h 40m

Chiang Mai

Fri 4/11

11:15 pm-12:32 pm

2 stops25h 17m

$1,426

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 3/25

7:51 pm-5:00 pm

3 stops57h 09m

$542

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 3/24

3:40 pm-6:50 pm

1 stop39h 10m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 16 results
1
2

Best time to book a flight from Illinois to Chiang Mai

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

Travel insights for flights from Illinois to Chiang Mai

Get recent, data-driven insights about flights from Illinois to Chiang Mai including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Illinois to Chiang Mai (average of $1,041). Flying from Illinois 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 IL to CNX?

Find hourly flight availability from Illinois 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 February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Chiang Mai as you normally would.

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 February 20, 2025.
See what other customers who have flown with EVA Air, Korean Air and Asiana Airlines from Illinois 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
1,200 reviews

Food

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

EVA Air
8.4
Very good
1,200 reviews
EVA Air
8.4
Very good
1,200 reviews

Food

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Korean Air
8.4
Very good
1,037 reviews
EVA Air
8.4
Very good
1,200 reviews

Food

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Asiana Airlines
8.3
Very good
446 reviews
EVA Air
8.4
Very good
1,200 reviews

Food

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Delta
8.0
Very good
8,219 reviews
EVA Air
8.4
Very good
1,200 reviews

Food

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

China Southern
7.6
Good
87 reviews
EVA Air
8.4
Very good
1,200 reviews

Food

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    If you book a flight to Chiang Mai from Illinois, you will be flying to Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai.

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

    The cheapest airline one-way is Korean Air, with whom users have recently found tickets for as low as $605. However, be on the lookout for offers from EVA Air and Delta, as they are both options that can get you from Illinois to Chiang Mai for a low price.

  • What are the most popular routes from Illinois to Chiang Mai?

    Most travelers choose Chicago O'Hare Intl - Chiang Mai, Chicago Midway - Chiang Mai or Lambert-St Louis - Chiang Mai when deciding on the best route from Illinois to Chiang Mai.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Illinois to Chiang Mai (average of $1,041). Flying from Illinois 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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Alternative routes for Illinois to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Chiang Mai

Discover the top 4 airlines that operate flights from Illinois 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$805Average$1,083FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$991Average$1,250FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,008Average$1,309FlexibilityNo cancel feeOn-time74%
DeltaCheapest$1,070Average$1,552FlexibilityNo cancel feeOn-timeN/A
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