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Cheap flights from Illinois to Chiang Mai from $409

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Chiang Mai departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
4:15 pm - 6:40 pm
ORD
-
CNX
38h 25m
1 stop
Cathay Pacific Logo
10:30 am - 1:55 pm
CNX
-
ORD
39h 25m
1 stop
$798Cathay Pacific
Sun, Mar 29 - Thu, Apr 23
Cathay Pacific Logo
4:15 pm - 9:45 am
ORD
-
CNX
29h 30m
1 stop
Cathay Pacific Logo
7:25 pm - 1:55 pm
CNX
-
ORD
30h 30m
1 stop
$806Cathay Pacific
Wed, Apr 15 - Sun, Apr 26
Cathay Pacific Logo
4:15 pm - 9:45 am
ORD
-
CNX
29h 30m
1 stop
Cathay Pacific Logo
10:30 am - 1:55 pm
CNX
-
ORD
39h 25m
1 stop
$827Cathay Pacific
Sun, May 3 - Sun, May 31
Multiple Airlines Logo
5:45 pm - 8:45 am
ORD
-
CNX
27h 00m
2 stops
Multiple Airlines Logo
4:55 pm - 8:40 am
CNX
-
ORD
27h 45m
2 stops
$840Multiple Airlines
Mon, May 4 - Mon, May 18
EVA Air Logo
12:30 am - 7:00 pm
ORD
-
CNX
30h 30m
2 stops
EVA Air Logo
11:35 am - 9:00 pm
CNX
-
ORD
21h 25m
1 stop
$891EVA Air
Mon, Mar 16 - Wed, Jun 10
EVA Air Logo
12:30 am - 1:45 pm
ORD
-
CNX
25h 15m
2 stops
EVA Air Logo
11:35 am - 9:00 pm
CNX
-
ORD
21h 25m
1 stop
$892EVA Air
Tue, Apr 21 - Thu, May 7
China Airlines Logo
4:46 pm - 10:20 am
STL
-
CNX
29h 34m
2 stops
China Airlines Logo
11:20 am - 7:00 pm
CNX
-
STL
43h 40m
2 stops
$1,043China Airlines
Tue, May 5 - Thu, May 14
Delta Logo
6:00 am - 10:55 pm
MDW
-
CNX
27h 55m
2 stops
Delta Logo
12:15 am - 10:31 pm
CNX
-
MDW
34h 16m
2 stops
$1,077Delta
Wed, Mar 4 - Tue, Mar 10
Multiple Airlines Logo
3:55 pm - 10:20 am
MDW
-
CNX
30h 25m
2 stops
Multiple Airlines Logo
11:20 am - 5:40 am
CNX
-
MDW
30h 20m
2 stops
$1,080Multiple Airlines
Tue, May 5 - Tue, May 19
Delta Logo
6:00 am - 10:55 pm
MDW
-
CNX
27h 55m
2 stops
Delta Logo
12:15 am - 10:31 pm
CNX
-
MDW
34h 16m
2 stops
$1,207Delta
Tue, Feb 24 - Mon, Mar 9

Delta flights from Illinois to Chiang Mai

Our best Delta deals on Illinois to Chiang Mai flight tickets
Delta
Mar 4
MDW6:00 amChicago Midway
27h 55m
2 stops
CNX10:55 pmChiang Mai
Mar 10
CNX12:15 amChiang Mai
34h 16m
2 stops
MDW10:31 pmChicago Midway
$1,077
Delta
Feb 24
MDW6:00 amChicago Midway
27h 55m
2 stops
CNX10:55 pmChiang Mai
Mar 9
CNX12:15 amChiang Mai
34h 16m
2 stops
MDW10:31 pmChicago Midway
$1,207
Delta
Mar 5
MDW6:00 amChicago Midway
27h 55m
2 stops
CNX10:55 pmChiang Mai
Mar 18
CNX12:15 amChiang Mai
34h 16m
2 stops
MDW10:31 pmChicago Midway
$1,257

Korean Air flights from Illinois to Chiang Mai

Our best Korean Air deals on Illinois to Chiang Mai flight tickets
Korean Air
Feb 16
ORD11:25 amChicago O'Hare Intl
44h 05m
1 stop
CNX8:30 pmChiang Mai
Mar 3
CNX12:15 amChiang Mai
21h 25m
1 stop
ORD8:40 amChicago O'Hare Intl
$5,220
Korean Air
Feb 15
ORD11:25 amChicago O'Hare Intl
44h 40m
1 stop
CNX9:05 pmChiang Mai
Mar 3
CNX12:15 amChiang Mai
21h 25m
1 stop
ORD8:40 amChicago O'Hare Intl
$5,470
Korean Air
Feb 16
ORD11:25 amChicago O'Hare Intl
44h 05m
1 stop
CNX8:30 pmChiang Mai
Mar 3
CNX12:15 amChiang Mai
26h 05m
2 stops
ORD1:20 pmChicago O'Hare Intl
$6,331

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated February 6, 2026.
Use the filters below to find and compare flights from Illinois to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 3/29

4:15 pm-6:40 pm

1 stop38h 25m

Chiang Mai

Thu 4/23

10:30 am-1:55 pm

1 stop39h 25m

$798

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 4/15

4:15 pm-9:45 am

1 stop29h 30m

Chiang Mai

Sun 4/26

7:25 pm-1:55 pm

1 stop30h 30m

$806

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 5/3

4:15 pm-9:45 am

1 stop29h 30m

Chiang Mai

Sun 5/31

10:30 am-1:55 pm

1 stop39h 25m

$827

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 5/4

5:45 pm-8:45 am

2 stops27h 00m

Chiang Mai

Mon 5/18

4:55 pm-8:40 am

2 stops27h 45m

$840

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 3/16

12:30 am-7:00 pm

2 stops30h 30m

Chiang Mai

Wed 6/10

11:35 am-9:00 pm

1 stop21h 25m

$891

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 4/21

12:30 am-1:45 pm

2 stops25h 15m

Chiang Mai

Thu 5/7

11:35 am-9:00 pm

1 stop21h 25m

$892

St. LouisChiang Mai

STL - CNX

STLCNX

Lambert-St Louis

Tue 5/5

4:46 pm-10:20 am

2 stops29h 34m

Chiang Mai

Thu 5/14

11:20 am-7:00 pm

2 stops43h 40m

$1,043

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Wed 3/4

6:00 am-10:55 pm

2 stops27h 55m

Chiang Mai

Tue 3/10

12:15 am-10:31 pm

2 stops34h 16m

$1,077

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Tue 5/5

3:55 pm-10:20 am

2 stops30h 25m

Chiang Mai

Tue 5/19

11:20 am-5:40 am

2 stops30h 20m

$1,080

ChicagoChiang Mai

MDW - CNX

MDWCNX

Chicago Midway

Tue 2/24

6:00 am-10:55 pm

2 stops27h 55m

Chiang Mai

Mon 3/9

12:15 am-10:31 pm

2 stops34h 16m

$1,207

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chiang Mai from

How to get the cheapest flight ticket from Illinois to Chiang Mai

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chiang Mai?

If you don’t want to visit Chiang Mai in February, then you should wait until April to fly from Illinois, when ticket prices are also cheap, with an average price of $968.

How far in advance should I book a flight to Chiang Mai?

You are more likely to see cheaper flights to Chiang Mai from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Chiang Mai for around $1,277 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chiang Mai from Illinois for as low as $972 on momondo.

Can stopping save me money on Illinois to Chiang Mai flights?

You could potentially save up to 51% on your flight if you consider stops on a Illinois to Chiang Mai flight.

Cheap Illinois to Chiang Mai flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Chiang Mai

Fastest flight time

21h 55m

Direct flights

None
The fastest flight from Illinois to Chiang Mai takes 21h 55m
There are no direct flights from Illinois to Chiang Mai. There are no popular flight routes from Illinois to Chiang Mai.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Chiang Mai Airport?

    Prices for flights from Illinois to Chiang Mai Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Illinois to Chiang Mai Airport?

  • How old do you have to be to fly from Illinois to Chiang Mai Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Chiang Mai Airport.

  • What documentation or ID do you need to fly to Chiang Mai Airport?

    The travel and health documents you'll need for your trip to Chiang Mai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chiang Mai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Chiang Mai

Compare and see reviews for airlines that fly from Illinois to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
Cathay PacificPriceFrom $737Free CancellationRating
7.6
1,159 reviews
Search Cathay Pacific flights
DeltaPriceFrom $849Free CancellationRating
7.9
8,149 reviews
Search Delta flights
Korean AirPriceFrom $923Free CancellationRating
8.4
1,188 reviews
Search Korean Air flights
EVA AirPriceFrom $924Free CancellationRating
8.4
1,347 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Chiang Mai?

Finding the right flight to Chiang Mai from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chiang Mai quick and easy, saving you time and money.

Can I find flights from Illinois to Chiang Mai with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Chiang Mai flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Chiang Mai?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Chiang Mai.

I’m not ready to book a flight from Illinois to Chiang Mai right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Illinois to Chiang Mai flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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