$419+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNX
Mar 6 — Mar 131
1 adult, Economy
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Find cheap flights from Illinois to Chiang Mai with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Chiang Mai
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Cheapest flights from Illinois to Chiang MaiExplore 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 4, 2026.
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 4, 2026.
This KAYAK deal was found by Cheapflights users on 2/1. 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.
Tue 9/14:00 pm
ORD
- CNX
1 stop38h 40m
Cathay Pacific
Sat 9/1210:30 am
CNX
- ORD
1 stop39h 50m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$752
This KAYAK deal was found by Cheapflights users on 2/2. 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.
Sun 3/294:15 pm
ORD
- CNX
1 stop38h 25m
Cathay Pacific
Thu 4/2310:30 am
CNX
- ORD
1 stop39h 25m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$798
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:15 pm
ORD
- CNX
1 stop29h 30m
Cathay Pacific
Sun 4/267:25 pm
CNX
- ORD
1 stop30h 30m
Cathay Pacific
Deal found 2/3![Cathay Pacific logo]()
$806
This oojo deal was found by Cheapflights users on 2/3. 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.
Mon 8/1712:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Wed 9/3011:35 am
CNX
- ORD
1 stop21h 10m
EVA Air
Deal found 2/3![EVA Air logo]()
$824
This KAYAK deal was found by Cheapflights users on 2/2. 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.
Sun 5/34:15 pm
ORD
- CNX
1 stop29h 30m
Cathay Pacific
Sun 5/3110:30 am
CNX
- ORD
1 stop39h 25m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$827
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Tue 8/1812:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Tue 9/2911:35 am
CNX
- ORD
1 stop21h 10m
EVA Air
Deal found 2/3![EVA Air logo]()
$829
This FlightHub deal was found by Cheapflights users on 2/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:45 pm
ORD
- CNX
2 stops27h 00m
Multiple Airlines
Mon 5/184:55 pm
CNX
- ORD
2 stops27h 45m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$840
This Gotogate deal was found by Cheapflights users on 2/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:45 pm
ORD
- CNX
2 stops29h 30m
Multiple Airlines
Sun 10/257:45 pm
CNX
- ORD
2 stops48h 35m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$860
This oojo deal was found by Cheapflights users on 2/3. 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 8/1412:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Wed 9/3011:35 am
CNX
- ORD
1 stop21h 10m
EVA Air
Deal found 2/3![EVA Air logo]()
$862
This Booking.com deal was found by Cheapflights users on 2/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:45 pm
ORD
- CNX
2 stops29h 30m
Multiple Airlines
Wed 9/303:30 pm
CNX
- ORD
2 stops29h 10m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$864
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Thu 10/111:35 am
CNX
- ORD
1 stop21h 10m
EVA Air
Deal found 2/3![EVA Air logo]()
$865
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Thu 8/1312:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Wed 9/3011:35 am
CNX
- ORD
1 stop21h 10m
EVA Air
Deal found 2/3![EVA Air logo]()
$867
Best flights from Illinois to Chiang MaiDiscover carefully curated flight deals from Illinois to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from Illinois to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
This FlightHub deal was found by Cheapflights users on 2/1. 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 4/1512:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Sun 4/268:00 pm
CNX
- ORD
2 stops37h 00m
EVA Air
Deal found 2/1![EVA Air logo]()
$892
This Expedia deal was found by Cheapflights users on 1/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:50 am
ORD
- CNX
2 stops33h 30m
Multiple Airlines
Sun 5/318:00 pm
CNX
- ORD
2 stops30h 55m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$930
This oojo deal was found by Cheapflights users on 2/1. 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.
Tue 5/57:00 am
STL
- CNX
2 stops39h 20m
China Airlines
Thu 5/1411:20 am
CNX
- STL
2 stops43h 40m
China Airlines
Deal found 2/1![China Airlines logo]()
$1,005
This Delta deal was found by Cheapflights users on 2/2. 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 3/46:00 am
MDW
- CNX
2 stops27h 55m
Delta
Tue 3/1012:15 am
CNX
- MDW
2 stops34h 16m
Delta
Deal found 2/2![Delta logo]()
$1,077
This Qatar Airways deal was found by Cheapflights users on 2/2. 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.
Tue 5/511:45 am
STL
- CNX
3 stops35h 30m
Qatar Airways
Thu 5/148:00 pm
CNX
- STL
3 stops35h 33m
Qatar Airways
Deal found 2/2![Qatar Airways logo]()
$1,352
This FlightHub deal was found by Cheapflights users on 2/1. 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 2/1811:30 pm
ORD
- CNX
2 stops46h 50m
EVA Air
Wed 3/1112:10 pm
CNX
- ORD
2 stops44h 25m
EVA Air
Deal found 2/1![EVA Air logo]()
$928
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Mon 3/912:30 am
ORD
- CNX
1 stop22h 05m
EVA Air
Tue 3/1712:10 pm
CNX
- ORD
2 stops44h 25m
EVA Air
Deal found 2/1![EVA Air logo]()
$936
This China Airlines deal was found by Cheapflights users on 2/3. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:00 pm
ORD
- CNX
3 stops32h 25m
Multiple Airlines
Thu 3/511:25 am
CNX
- ORD
2 stops37h 36m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,034
This China Airlines deal was found by Cheapflights users on 2/2. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/297:24 pm
ORD
- CNX
2 stops26h 56m
Multiple Airlines
Thu 4/2311:20 am
CNX
- ORD
2 stops31h 20m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,059
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Wed 5/1312:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Fri 6/511:35 am
CNX
- ORD
1 stop21h 25m
EVA Air
Deal found 2/3![EVA Air logo]()
$1,019
This China Airlines deal was found by Cheapflights users on 2/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:55 pm
MDW
- CNX
2 stops30h 25m
Multiple Airlines
Tue 5/1911:20 am
CNX
- MDW
2 stops30h 20m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$1,080
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Sat 5/212:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Sun 5/312:35 pm
CNX
- ORD
2 stops42h 25m
EVA Air
Deal found 1/31![EVA Air logo]()
$1,040
This KAYAK deal was found by Cheapflights users on 2/1. 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.
Sun 3/812:30 am
ORD
- CNX
1 stop22h 05m
Multiple Airlines
Mon 3/3011:35 am
CNX
- ORD
2 stops31h 04m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,108
This FlightHub deal was found by Cheapflights users on 2/2. 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.
Sun 3/812:30 am
ORD
- CNX
2 stops30h 30m
EVA Air
Mon 3/308:00 pm
CNX
- ORD
2 stops37h 00m
EVA Air
Deal found 2/2![EVA Air logo]()
$1,080
This China Airlines deal was found by Cheapflights users on 2/2. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:00 am
MDW
- CNX
2 stops35h 20m
Multiple Airlines
Thu 5/711:20 am
CNX
- MDW
2 stops30h 20m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,112
This Delta deal was found by Cheapflights users on 2/3. 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.
Thu 3/196:07 pm
MDW
- CNX
2 stops40h 48m
Delta
Thu 3/2612:15 am
CNX
- MDW
2 stops29h 07m
Delta
Deal found 2/3![Delta logo]()
$1,772
This China Airlines deal was found by Cheapflights users on 2/2. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:50 am
MDW
- CNX
2 stops34h 35m
Multiple Airlines
Sat 3/1411:25 am
CNX
- MDW
2 stops36h 40m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,125
This oojo deal was found by Cheapflights users on 2/2. 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.
Thu 2/197:00 am
STL
- CNX
2 stops38h 35m
EVA Air
Thu 2/2611:50 am
CNX
- STL
2 stops49h 09m
EVA Air
Deal found 2/2![EVA Air logo]()
$1,147
This China Airlines deal was found by Cheapflights users on 2/3. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:25 pm
STL
- CNX
2 stops31h 55m
Multiple Airlines
Mon 4/2011:20 am
CNX
- STL
3 stops39h 30m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,137
This China Airlines deal was found by Cheapflights users on 2/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:00 am
MDW
- CNX
2 stops35h 20m
Multiple Airlines
Mon 6/111:20 am
CNX
- MDW
2 stops36h 15m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$1,195
This China Airlines deal was found by Cheapflights users on 2/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:20 pm
MDW
- CNX
2 stops34h 15m
Multiple Airlines
Sun 7/2611:20 am
CNX
- MDW
2 stops35h 50m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$1,259
This EVA Air deal was found by Cheapflights users on 2/3. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:46 pm
STL
- CNX
2 stops29h 39m
Multiple Airlines
Thu 5/141:40 pm
CNX
- STL
3 stops28h 07m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,295
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:00 am
STL
- CNX
2 stops39h 35m
Multiple Airlines
Tue 3/3111:35 am
CNX
- STL
2 stops48h 24m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,309
This China Airlines deal was found by Cheapflights users on 2/4. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:20 pm
MDW
- CNX
2 stops34h 15m
Multiple Airlines
Sat 3/2811:25 am
CNX
- MDW
2 stops30h 15m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$1,578
This China Airlines deal was found by Cheapflights users on 2/2. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:00 pm
MDW
- CNX
2 stops30h 20m
Multiple Airlines
Fri 4/1011:20 am
CNX
- MDW
2 stops30h 20m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,797
This China Airlines deal was found by Cheapflights users on 2/2. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:10 am
MDW
- CNX
3 stops34h 15m
Multiple Airlines
Wed 3/1111:25 am
CNX
- MDW
2 stops30h 05m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,861
Last-minute flights from Illinois to Chiang MaiDiscover last-minute flight deals from Illinois to Chiang Mai. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Chiang Mai. Data last updated February 4, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 2/2. 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 2/1811:30 pm
ORD
- CNX
2 stops46h 50m
EVA Air
Wed 3/1111:50 am
CNX
- ORD
1 stop20h 45m
EVA Air
Deal found 2/2![EVA Air logo]()
$896
This oojo deal was found by Cheapflights users on 2/2. 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.
Thu 2/197:00 am
STL
- CNX
2 stops38h 35m
EVA Air
Thu 2/2611:50 am
CNX
- STL
2 stops49h 09m
EVA Air
Deal found 2/2![EVA Air logo]()
$1,147
This oojo deal was found by Cheapflights users on 2/3. 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.
Tue 2/2411:30 pm
ORD
- CNX
1 stop22h 05m
EVA Air
Thu 3/511:50 am
CNX
- ORD
1 stop20h 45m
EVA Air
Deal found 2/3![EVA Air logo]()
$918
This Travelocity deal was found by Cheapflights users on 2/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:29 pm
ORD
- CNX
2 stops27h 56m
Multiple Airlines
Thu 3/511:25 am
CNX
- ORD
2 stops37h 36m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$943
This Delta deal was found by Cheapflights users on 2/2. 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 3/46:00 am
MDW
- CNX
2 stops27h 55m
Delta
Tue 3/1012:15 am
CNX
- MDW
2 stops34h 16m
Delta
Deal found 2/2![Delta logo]()
$1,077
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Mon 3/912:30 am
ORD
- CNX
1 stop22h 05m
EVA Air
Tue 3/1712:10 pm
CNX
- ORD
2 stops44h 25m
EVA Air
Deal found 2/1![EVA Air logo]()
$936
This China Airlines deal was found by Cheapflights users on 2/2. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:50 am
MDW
- CNX
2 stops34h 35m
Multiple Airlines
Sat 3/1411:25 am
CNX
- MDW
2 stops36h 40m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,125
This Gotogate deal was found by Cheapflights users on 2/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:10 pm
ORD
- CNX
1 stop28h 00m
Etihad Airways
Tue 3/178:50 am
CNX
- ORD
1 stop35h 45m
Etihad Airways
Deal found 2/1![Etihad Airways logo]()
$951
This oojo deal was found by Cheapflights users on 2/2. 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 3/152:10 pm
ORD
- CNX
1 stop28h 00m
Etihad Airways
Tue 3/248:50 am
CNX
- ORD
1 stop35h 45m
Etihad Airways
Deal found 2/2![Etihad Airways logo]()
$958
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Mon 3/1612:30 am
ORD
- CNX
2 stops30h 30m
EVA Air
Wed 6/1011:35 am
CNX
- ORD
1 stop21h 25m
EVA Air
Deal found 2/3![EVA Air logo]()
$891
This FlightHub deal was found by Cheapflights users on 2/2. 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.
Sat 3/2812:30 am
ORD
- CNX
2 stops25h 15m
EVA Air
Thu 4/2311:35 am
CNX
- ORD
1 stop21h 25m
EVA Air
Deal found 2/2![EVA Air logo]()
$930
This KAYAK deal was found by Cheapflights users on 2/2. 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.
Sun 3/294:15 pm
ORD
- CNX
1 stop38h 25m
Cathay Pacific
Thu 4/2310:30 am
CNX
- ORD
1 stop39h 25m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$798
One-way flights from Illinois to Chiang MaiSearch for one-way flight options from Illinois to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
Search for one-way flight options from Illinois to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:31 pm
ORD
- CNX
2 stops50h 19m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Mon 4/137:45 pm
ORD
- CNX
3 stops53h 55m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$448
This oojo deal was found by Cheapflights users on 2/1. 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 4/612:30 am
ORD
- CNX
1 stop21h 55m
EVA Air
Deal found 2/1![EVA Air logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:35 pm
ORD
- CNX
1 stop39h 15m
Cathay Pacific
Deal found 2/3![Cathay Pacific logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Tue 2/171:10 pm
ORD
- CNX
2 stops44h 35m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$468
This Trip.com deal was found by Cheapflights users on 2/1. 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.
Sun 3/152:10 pm
ORD
- CNX
3 stops32h 55m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$481
This Trip.com deal was found by Cheapflights users on 2/1. 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.
Sun 3/153:35 pm
ORD
- CNX
1 stop30h 15m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$518
This Korean Air deal was found by Cheapflights users on 2/2. 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.
Tue 2/1711:25 am
ORD
- CNX
1 stop22h 30m
Korean Air
Deal found 2/2![Korean Air logo]()
$521
This China Airlines deal was found by Cheapflights users on 2/3. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 pm
MDW
- CNX
2 stops28h 20m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,285
Find 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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $798 (KAYAK) |
One-way from | $419 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $895 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Illinois to Chiang Mai that are best for you.
Fly from
Illinois
Fly to
Chiang Mai
Route
Depart
Return
Price
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Wed 4/15
12:30 am-10:25 am
1 stop21h 55m
Chiang Mai
Sun 4/26
8:00 pm-9:00 pm
2 stops37h 00m
$892
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Wed 2/18
11:30 pm-11:20 am
2 stops46h 50m
Chiang Mai
Wed 3/11
12:10 pm-8:35 pm
2 stops44h 25m
$928
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Sun 5/3
11:50 am-9:20 am
2 stops33h 30m
Chiang Mai
Sun 5/31
8:00 pm-2:55 pm
2 stops30h 55m
$930
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Mon 3/9
12:30 am-10:35 am
1 stop22h 05m
Chiang Mai
Tue 3/17
12:10 pm-8:35 pm
2 stops44h 25m
$936
St. LouisChiang Mai
STL - CNX
STLCNX
Lambert-St Louis
Tue 5/5
7:00 am-10:20 am
2 stops39h 20m
Chiang Mai
Thu 5/14
11:20 am-7:00 pm
2 stops43h 40m
$1,005
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Wed 5/13
12:30 am-10:25 am
1 stop21h 55m
Chiang Mai
Fri 6/5
11:35 am-9:00 pm
1 stop21h 25m
$1,019
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Tue 2/24
1:00 pm-10:25 am
3 stops32h 25m
Chiang Mai
Thu 3/5
11:25 am-12:01 pm
2 stops37h 36m
$1,034
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Sat 5/2
12:30 am-10:25 am
1 stop21h 55m
Chiang Mai
Sun 5/31
2:35 pm-9:00 pm
2 stops42h 25m
$1,040
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Sun 3/29
7:24 pm-10:20 am
2 stops26h 56m
Chiang Mai
Thu 4/23
11:20 am-6:40 am
2 stops31h 20m
$1,059
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
Showing 1-10 of 35 results
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.
ORD-CNX
MDW-CNX
STL-CNX
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 Illinois to Chiang Mai
USIL-CNX
ORD-CNX
MDW-CNX
STL-CNX
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 $737). Flying from Illinois 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.
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Chiang Mai flight routes
Complete your trip
Flights by cabin class
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Top destinations
Alternative routes for Illinois to Chiang Mai
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Chiang Mai
Explore flights to Chiang Mai departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 4, 2026.
Complete your trip
Complete your trip to Chiang Mai by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Chiang Mai by cabin class
Find flights from Illinois to Chiang Mai, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Chiang Mai flights
Browse other Illinois and Chiang Mai flight options. Last updated on February 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Chiang Mai flights
Consider these flights traveling from Illinois to Chiang Mai.
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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$737 | Average$1,293 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$849 | Average$1,355 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$923 | Average$1,288 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$924 | Average$1,432 | FlexibilityNo cancel fee | On-time74% |