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Cheap flights from Illinois to Chiang Mai from $472

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 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Chiang Mai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
1:10 pm - 6:05 amORD  Chicago O'Hare Intl-CNX Chiang Mai
27h 55m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
9:10 am - 7:55 amCNX  Chiang Mai-ORD Chicago O'Hare Intl
35h 45m1 stop Abu Dhabi Zayed Intl
$872Etihad Airways
Tue, Dec 1 - Tue, Dec 15
Cathay Pacific Logo
4:15 pm - 9:45 amORD  Chicago O'Hare Intl-CNX Chiang Mai
29h 30m1 stop Hong Kong Intl
Cathay Pacific Logo
10:35 am - 12:55 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
39h 20m1 stop Hong Kong Intl
$884Cathay Pacific
Tue, Oct 6 - Tue, Nov 3
Cathay Pacific Logo
2:35 pm - 9:50 amORD  Chicago O'Hare Intl-CNX Chiang Mai
30h 15m1 stop Hong Kong Intl
Cathay Pacific Logo
10:35 am - 12:55 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
39h 20m1 stop Hong Kong Intl
$885Cathay Pacific
Thu, Nov 12 - Tue, Dec 1
Cathay Pacific Logo
2:35 pm - 9:50 amORD  Chicago O'Hare Intl-CNX Chiang Mai
30h 15m1 stop Hong Kong Intl
Cathay Pacific Logo
7:40 pm - 12:55 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
30h 15m1 stop Hong Kong Intl
$885Cathay Pacific
Sun, Nov 15 - Tue, Nov 24
Cathay Pacific Logo
4:00 pm - 6:40 pmORD  Chicago O'Hare Intl-CNX Chiang Mai
38h 40m1 stop Hong Kong Intl
Cathay Pacific Logo
7:25 pm - 1:55 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
30h 30m1 stop Hong Kong Intl
$885Cathay Pacific
Sun, Sep 13 - Wed, Sep 30
Air Canada Logo
3:40 pm - 11:15 amORD  Chicago O'Hare Intl-CNX Chiang Mai
31h 35m2 stops Vancouver Intl Bangkok Suvarnabhumi
Air Canada Logo
9:10 pm - 8:06 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
34h 56m2 stops Bangkok Suvarnabhumi Vancouver Intl
$897Air Canada
Mon, Sep 14 - Tue, Oct 6
Etihad Airways Logo
8:25 pm - 7:10 pmORD  Chicago O'Hare Intl-CNX Chiang Mai
34h 45m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
Etihad Airways Logo
11:55 am - 8:35 amCNX  Chiang Mai-ORD Chicago O'Hare Intl
32h 40m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
$897Etihad Airways
Mon, Sep 7 - Mon, Sep 14
Etihad Airways Logo
2:00 pm - 11:15 amORD  Chicago O'Hare Intl-CNX Chiang Mai
33h 15m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
Etihad Airways Logo
8:00 pm - 8:35 amCNX  Chiang Mai-ORD Chicago O'Hare Intl
48h 35m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
$897Etihad Airways
Wed, Sep 9 - Wed, Sep 23
EVA Air Logo
12:30 am - 10:25 amORD  Chicago O'Hare Intl-CNX Chiang Mai
21h 55m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:35 am - 8:45 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
21h 10m1 stop Taipei City Taiwan Taoyuan Intl
$933EVA Air
Wed, Sep 9 - Thu, Sep 17
EVA Air Logo
11:30 pm - 10:35 amORD  Chicago O'Hare Intl-CNX Chiang Mai
22h 05m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:50 am - 7:35 pmCNX  Chiang Mai-ORD Chicago O'Hare Intl
20h 45m1 stop Taipei City Taiwan Taoyuan Intl
$962EVA Air
Mon, Jan 11 - Mon, Jan 25

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EVA Air flights from Illinois to Chiang Mai

Our best EVA Air deals on Illinois to Chiang Mai flight tickets
EVA Air
Sep 9
ORD12:30 amChicago O'Hare Intl
21h 55m
1 stop
CNX10:25 amChiang Mai
Sep 17
CNX11:35 amChiang Mai
21h 10m
1 stop
ORD8:45 pmChicago O'Hare Intl
$933
EVA Air
Sep 22
ORD12:30 amChicago O'Hare Intl
21h 55m
1 stop
CNX10:25 amChiang Mai
Oct 4
CNX11:35 amChiang Mai
21h 10m
1 stop
ORD8:45 pmChicago O'Hare Intl
$972
EVA Air
Sep 23
ORD12:30 amChicago O'Hare Intl
44h 50m
2 stops
CNX9:20 amChiang Mai
Oct 1
CNX11:35 amChiang Mai
21h 10m
1 stop
ORD8:45 pmChicago O'Hare Intl
$988

Delta flights from Illinois to Chiang Mai

Our best Delta deals on Illinois to Chiang Mai flight tickets
Delta
Dec 2
MDW6:00 amChicago Midway
27h 55m
2 stops
CNX10:55 pmChiang Mai
Dec 22
CNX12:15 amChiang Mai
29h 10m
2 stops
MDW4:25 pmChicago Midway
$972
Delta
Jan 4
ORD7:00 amChicago O'Hare Intl
26h 55m
2 stops
CNX10:55 pmChiang Mai
Jan 24
CNX12:15 amChiang Mai
36h 31m
2 stops
ORD11:46 pmChicago O'Hare Intl
$992
Delta
Nov 3
MDW6:04 amChicago Midway
27h 51m
2 stops
CNX10:55 pmChiang Mai
Nov 19
CNX12:15 amChiang Mai
24h 50m
2 stops
MDW12:05 pmChicago Midway
$1,032

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 August 14, 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

Cheapest round-trip

ChicagoChiang Mai

ORD Chicago O'Hare Intl - CNX Chiang Mai

ORDCNX

Chicago O'Hare Intl

Tue 12/1

1:10 pm-6:05 am

1 stop27h 55m

Chiang Mai

Tue 12/15

9:10 am-7:55 am

1 stop35h 45m

$872

ChicagoChiang Mai

ORD Chicago O'Hare Intl - CNX Chiang Mai

ORDCNX

Chicago O'Hare Intl

Tue 10/6

4:15 pm-9:45 am

1 stop29h 30m

Chiang Mai

Tue 11/3

10:35 am-12:55 pm

1 stop39h 20m

$884

ChicagoChiang Mai

ORD Chicago O'Hare Intl - CNX Chiang Mai

ORDCNX

Chicago O'Hare Intl

Thu 11/12

2:35 pm-9:50 am

1 stop30h 15m

Chiang Mai

Tue 12/1

10:35 am-12:55 pm

1 stop39h 20m

$885

ChicagoChiang Mai

ORD Chicago O'Hare Intl - CNX Chiang Mai

ORDCNX

Chicago O'Hare Intl

Sun 11/15

2:35 pm-9:50 am

1 stop30h 15m

Chiang Mai

Tue 11/24

7:40 pm-12:55 pm

1 stop30h 15m

$885

ChicagoChiang Mai

ORD Chicago O'Hare Intl - CNX Chiang Mai

ORDCNX

Chicago O'Hare Intl

Sun 9/13

4:00 pm-6:40 pm

1 stop38h 40m

Chiang Mai

Wed 9/30

7:25 pm-1:55 pm

1 stop30h 30m

$885

ChicagoChiang Mai

ORD Chicago O'Hare Intl - CNX Chiang Mai

ORDCNX

Chicago O'Hare Intl

Mon 9/14

3:40 pm-11:15 am

2 stops31h 35m

Chiang Mai

Tue 10/6

9:10 pm-8:06 pm

2 stops34h 56m

$897

ChicagoChiang Mai

ORD Chicago O'Hare Intl - CNX Chiang Mai

ORDCNX

Chicago O'Hare Intl

Mon 9/7

8:25 pm-7:10 pm

2 stops34h 45m

Chiang Mai

Mon 9/14

11:55 am-8:35 am

2 stops32h 40m

$897

ChicagoChiang Mai

ORD Chicago O'Hare Intl - CNX Chiang Mai

ORDCNX

Chicago O'Hare Intl

Wed 9/9

2:00 pm-11:15 am

2 stops33h 15m

Chiang Mai

Wed 9/23

8:00 pm-8:35 am

2 stops48h 35m

$897

ChicagoChiang Mai

ORD Chicago O'Hare Intl - CNX Chiang Mai

ORDCNX

Chicago O'Hare Intl

Wed 9/9

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Thu 9/17

11:35 am-8:45 pm

1 stop21h 10m

$933
Quickest round-trip

ChicagoChiang Mai

ORD Chicago O'Hare Intl - CNX Chiang Mai

ORDCNX

Chicago O'Hare Intl

Mon 1/11

11:30 pm-10:35 am

1 stop22h 05m

Chiang Mai

Mon 1/25

11:50 am-7:35 pm

1 stop20h 45m

$962

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 September to fly from Illinois, when ticket prices are also cheap, with an average price of $959.

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

You could potentially save up to 2% 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 20m

Direct flights

None
The fastest flight from Illinois to Chiang Mai takes 21h 20m
There are no direct flights from Illinois to Chiang Mai. There are no popular flight routes from Illinois to Chiang Mai.
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Frequently asked questions about flying from Illinois to Chiang Mai

  • 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
EVA AirPriceFrom $902Free CancellationRating
8.5
1,517 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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