$430+ Cheap flights from Chicago (CHI) to Chiang Mai (CNX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CNX
Nov 9 — Nov 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Chicago 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Chicago to Chiang Mai
Cheapest
Best
Last-minute
One-way
Cheapest flights from Chicago to Chiang MaiExplore 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 October 10, 2026.
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 October 10, 2026.
This oojo deal was found by Cheapflights users on 10/9. 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.
Wed 11/42:10 pm -
1 stop30h 40m
Sun 11/810:35 am -
1 stop38h 55m
Deal found 10/9![Cathay Pacific logo]()
$871
This Korean Air deal was found by Cheapflights users on 10/5. 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 11/911:10 am -
1 stop22h 35m
Wed 11/1112:20 am -
1 stop21h 10m
Deal found 10/5![Korean Air logo]()
$883
This Justfly.com deal was found by Cheapflights users on 10/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:10 pm -
1 stop39h 45m
Tue 11/2410:35 am -
1 stop38h 55m
Deal found 10/8![Cathay Pacific logo]()
$888
This Delta deal was found by Cheapflights users on 10/5. 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 10/298:29 am -
2 stops26h 16m
Wed 11/412:20 am -
2 stops34h 45m
Deal found 10/5![Delta logo]()
$894
This KAYAK deal was found by Cheapflights users on 10/8. 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 10/184:15 pm -
1 stop38h 25m
Sat 10/317:40 pm -
1 stop29h 50m
Deal found 10/8![Cathay Pacific logo]()
$925
This IEagle deal was found by Cheapflights users on 10/9. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:15 pm -
1 stop29h 35m
Sun 11/810:35 am -
1 stop38h 55m
Deal found 10/9![Cathay Pacific logo]()
$930
This Justfly.com deal was found by Cheapflights users on 10/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:15 pm -
1 stop38h 40m
Sat 11/710:35 am -
1 stop38h 55m
Deal found 10/9![Cathay Pacific logo]()
$938
This FlightHub deal was found by Cheapflights users on 10/7. 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 11/304:25 pm -
2 stops32h 20m
Mon 2/225:10 pm -
2 stops33h 40m
Deal found 10/7![Multiple Airlines logo]()
$941
This KAYAK deal was found by Cheapflights users on 10/8. 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 10/292:15 pm -
1 stop28h 10m
Thu 11/59:10 am -
1 stop35h 25m
Deal found 10/8![Etihad Airways logo]()
$949
This KAYAK deal was found by Cheapflights users on 10/7. 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 11/32:10 pm -
1 stop39h 45m
Wed 11/1110:35 am -
1 stop38h 55m
Deal found 10/7![Cathay Pacific logo]()
$959
This Delta deal was found by Cheapflights users on 10/6. 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 11/146:00 am -
2 stops27h 45m
Fri 11/2712:20 am -
2 stops28h 58m
Deal found 10/6![Delta logo]()
$1,286
This Delta deal was found by Cheapflights users on 10/6. 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 11/46:04 am -
2 stops27h 41m
Sat 11/712:20 am -
2 stops28h 41m
Deal found 10/6![Delta logo]()
$1,358
Best flights from Chicago to Chiang MaiDiscover carefully curated flight deals from Chicago to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 10, 2026.
Discover carefully curated flight deals from Chicago to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 10, 2026.
This Delta deal was found by Cheapflights users on 10/7. 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 2/176:00 am -
2 stops27h 45m
Tue 3/212:20 am -
2 stops34h 50m
Deal found 10/7![Delta logo]()
$944
This Korean Air deal was found by Cheapflights users on 10/9. 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 11/911:10 am -
1 stop22h 35m
Wed 11/1112:20 am -
1 stop21h 10m
Deal found 10/9![Korean Air logo]()
$1,048
This Etihad Airways deal was found by Cheapflights users on 10/7. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:31 pm -
2 stops24h 54m
Wed 11/119:10 am -
1 stop35h 25m
Deal found 10/7![Multiple Airlines logo]()
$1,071
This EVA Air deal was found by Cheapflights users on 10/5. 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.
Mon 11/911:30 pm -
2 stops44h 55m
Thu 11/1212:10 pm -
2 stops44h 25m
Deal found 10/5![EVA Air logo]()
$1,153
This Delta deal was found by Cheapflights users on 10/7. 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 11/306:40 am -
2 stops27h 05m
Sun 2/2112:20 am -
1 stop21h 10m
Deal found 10/7![Delta logo]()
$984
This China Airlines deal was found by Cheapflights users on 10/5. 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 3/263:50 pm -
2 stops30h 30m
Sat 5/811:20 am -
2 stops36h 55m
Deal found 10/5![Multiple Airlines logo]()
$1,329
This Delta deal was found by Cheapflights users on 10/6. 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 1/176:00 am -
2 stops27h 45m
Fri 1/2912:20 am -
2 stops29h 05m
Deal found 10/6![Delta logo]()
$1,320
This China Airlines deal was found by Cheapflights users on 10/6. 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 1/810:10 am -
3 stops35h 15m
Fri 1/2211:25 am -
3 stops39h 55m
Deal found 10/6![Multiple Airlines logo]()
$1,550
This Delta deal was found by Cheapflights users on 10/5. 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 11/203:59 pm -
2 stops41h 46m
Fri 11/2712:20 am -
2 stops31h 45m
Deal found 10/5![Delta logo]()
$1,463
This China Airlines deal was found by Cheapflights users on 10/9. 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 3/274:45 pm -
3 stops29h 35m
Sat 5/111:20 am -
2 stops30h 25m
Deal found 10/9![Multiple Airlines logo]()
$1,594
This Delta deal was found by Cheapflights users on 10/6. 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 11/205:13 pm -
2 stops40h 32m
Fri 11/2712:20 am -
2 stops28h 58m
Deal found 10/6![Delta logo]()
$1,464
Last-minute flights from Chicago to Chiang MaiDiscover last-minute flight deals from Chicago to Chiang Mai. Data last updated October 10, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Chiang Mai. Data last updated October 10, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 10/8. 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 10/184:15 pm -
1 stop38h 25m
Sat 10/317:40 pm -
1 stop29h 50m
Deal found 10/8![Cathay Pacific logo]()
$925
This Justfly.com deal was found by Cheapflights users on 10/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:15 pm -
1 stop38h 40m
Sat 11/710:35 am -
1 stop38h 55m
Deal found 10/9![Cathay Pacific logo]()
$938
This IEagle deal was found by Cheapflights users on 10/9. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:15 pm -
1 stop29h 35m
Sun 11/810:35 am -
1 stop38h 55m
Deal found 10/9![Cathay Pacific logo]()
$930
This Delta deal was found by Cheapflights users on 10/5. 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 10/298:29 am -
2 stops26h 16m
Wed 11/412:20 am -
2 stops34h 45m
Deal found 10/5![Delta logo]()
$894
This KAYAK deal was found by Cheapflights users on 10/8. 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 10/292:15 pm -
1 stop28h 10m
Thu 11/59:10 am -
1 stop35h 25m
Deal found 10/8![Etihad Airways logo]()
$949
This KAYAK deal was found by Cheapflights users on 10/7. 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 11/32:10 pm -
1 stop39h 45m
Wed 11/1110:35 am -
1 stop38h 55m
Deal found 10/7![Cathay Pacific logo]()
$959
This oojo deal was found by Cheapflights users on 10/9. 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.
Wed 11/42:10 pm -
1 stop30h 40m
Sun 11/810:35 am -
1 stop38h 55m
Deal found 10/9![Cathay Pacific logo]()
$871
This Delta deal was found by Cheapflights users on 10/6. 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 11/46:04 am -
2 stops27h 41m
Fri 11/1312:20 am -
2 stops27h 52m
Deal found 10/6![Delta logo]()
$1,358
This Korean Air deal was found by Cheapflights users on 10/5. 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 11/911:10 am -
1 stop22h 35m
Wed 11/1112:20 am -
1 stop21h 10m
Deal found 10/5![Korean Air logo]()
$883
This Delta deal was found by Cheapflights users on 10/6. 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 11/146:00 am -
2 stops27h 45m
Fri 11/2712:20 am -
2 stops28h 58m
Deal found 10/6![Delta logo]()
$1,286
This Justfly.com deal was found by Cheapflights users on 10/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:10 pm -
1 stop39h 45m
Tue 11/2410:35 am -
1 stop38h 55m
Deal found 10/8![Cathay Pacific logo]()
$888
This FlightHub deal was found by Cheapflights users on 10/7. 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 11/304:25 pm -
2 stops32h 20m
Mon 2/225:10 pm -
2 stops33h 40m
Deal found 10/7![Multiple Airlines logo]()
$941
One-way flights from Chicago to Chiang MaiSearch for one-way flight options from Chicago to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
Search for one-way flight options from Chicago to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
This oojo deal was found by Cheapflights users on 10/6. 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 11/92:10 pm -
1 stop39h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Cathay Pacific logo]()
$430
This SmartFares deal was found by Cheapflights users on 10/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:10 pm -
1 stop30h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Cathay Pacific logo]()
$442
This Delta deal was found by Cheapflights users on 10/5. 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 3/116:00 am -
2 stops27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 10/6. 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 10/269:29 am -
2 stops25h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$456
This Delta deal was found by Cheapflights users on 10/8. 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 10/268:29 am -
2 stops26h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Delta logo]()
$456
This Delta deal was found by Cheapflights users on 10/5. 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 11/85:29 pm -
2 stops40h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Delta logo]()
$466
This Delta deal was found by Cheapflights users on 10/6. 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 11/106:15 pm -
2 stops39h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$467
This Korean Air deal was found by Cheapflights users on 10/8. 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 10/2712:10 pm -
1 stop22h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Korean Air logo]()
$478
This Delta deal was found by Cheapflights users on 10/9. 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 11/176:40 am -
2 stops27h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Delta logo]()
$481
This SmartFares deal was found by Cheapflights users on 10/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/282:10 pm -
1 stop30h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Cathay Pacific logo]()
$502
This Delta deal was found by Cheapflights users on 10/8. 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 11/176:00 am -
2 stops27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Delta logo]()
$506
This FlightHub deal was found by Cheapflights users on 10/5. 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 11/72:10 pm -
1 stop39h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Cathay Pacific logo]()
$510
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 October 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $871 (oojo) |
One-way from | $430 (oojo) |
Popular in | May |
Cheapest in | February |
Average price | $1,148 |
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 7,457,451 searches. Data last updated October 10, 2026.
Use the filters below to find and compare flights from Chicago to Chiang Mai that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ChicagoChiang Mai
ORD Chicago O'Hare Intl - CNX Chiang Mai
ORDCNX
Chicago O'Hare Intl
Mon 11/9
8:29 am-10:45 pm
2 stops25h 16m
Chiang Mai
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$456
ChicagoChiang Mai
MDW Chicago Midway - CNX Chiang Mai
MDWCNX
Chicago Midway
Mon 10/26
9:29 am-10:45 pm
2 stops25h 16m
Chiang Mai
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$456
ChicagoChiang Mai
MDW Chicago Midway - CNX Chiang Mai
MDWCNX
Chicago Midway
Wed 10/28
12:49 pm-10:45 pm
2 stops45h 56m
Chiang Mai
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$456
ChicagoChiang Mai
ORD Chicago O'Hare Intl - CNX Chiang Mai
ORDCNX
Chicago O'Hare Intl
Tue 11/10
6:15 pm-10:45 pm
2 stops39h 30m
Chiang Mai
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$467
ChicagoChiang Mai
ORD Chicago O'Hare Intl - CNX Chiang Mai
ORDCNX
Chicago O'Hare Intl
Tue 11/17
6:40 am-10:45 pm
2 stops27h 05m
Chiang Mai
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$481
ChicagoChiang Mai
MDW Chicago Midway - CNX Chiang Mai
MDWCNX
Chicago Midway
Tue 11/17
6:00 am-10:45 pm
2 stops27h 45m
Chiang Mai
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$481
ChicagoChiang Mai
MDW Chicago Midway - CNX Chiang Mai
MDWCNX
Chicago Midway
Sat 10/31
9:29 am-10:45 pm
2 stops25h 16m
Chiang Mai
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$516
ChicagoChiang Mai
ORD Chicago O'Hare Intl - CNX Chiang Mai
ORDCNX
Chicago O'Hare Intl
Fri 11/6
6:30 am-10:45 pm
2 stops27h 15m
Chiang Mai
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$541
ChicagoChiang Mai
ORD Chicago O'Hare Intl - CNX Chiang Mai
ORDCNX
Chicago O'Hare Intl
Thu 11/12
6:49 am-10:45 pm
2 stops26h 56m
Chiang Mai
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$596
ChicagoChiang Mai
ORD Chicago O'Hare Intl - CNX Chiang Mai
ORDCNX
Chicago O'Hare Intl
Wed 11/18
6:15 pm-10:45 pm
2 stops39h 30m
Chiang Mai
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$606
Showing 1-10 of 28 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Chicago-Chiang Mai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Chiang Mai flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
CHI-CNX
ORD-CNX
MDW-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 Chicago to Chiang Mai
CHI-CNX
ORD-CNX
MDW-CNX
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 $942). Flying from Chicago to Chiang Mai in June is currently the most expensive (average of $1,928). 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.
How much does it cost to fly round-trip from Chicago to Chiang Mai?
Airfare is below average for this route at the moment.
Chicago to Chiang Mai flights typically cost between $1,088 and $1,148 in November.The cheapest round-trip price found within the last 5 days was $871 on Cathay Pacific (Nov 4-Nov 8).
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.
Incheon (ICN) – chosen by Cheapflights users on 60% 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.
Taipei City (TPE) is the most affordable 1-stop option, with an average round-trip price of $870.
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 Abu Dhabi (AUH) have the shortest average one-way travel time for 1-stop routes: 20h 45m.
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 Incheon (ICN) offer the fastest connection on this route, with an average layover time of 2h 33m.
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 October 10, 2026.
See what other customers who have flown with EVA 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.
Overall
8.5
Comfort
8.3
Entertainment
8.0
Crew
8.7
Food
8.1
Boarding
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2026
TPE - CNX
Overall
8.5
Comfort
8.3
Entertainment
8.0
Crew
8.7
Food
8.1
Boarding
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2026
TPE - CNX
Overall
8.5
Comfort
8.3
Entertainment
8.0
Crew
8.7
Food
8.1
Boarding
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2026
TPE - CNX
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.
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
Other flight options
Other flights from Chicago
Popular flights
Alternative routes for Chicago 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 October 10, 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 Chicago to Chiang Mai by cabin class
Find flights from Chicago to Chiang Mai, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Chiang Mai flights
Browse other Chicago and Chiang Mai flight options. Last updated on October 10, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on October 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Chicago to Chiang Mai
Discover the top 3 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 7,457,451 searches. Data last updated October 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$897 | Average$1,211 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$909 | Average$1,073 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$958 | Average$1,004 | FlexibilityNo cancel fee | On-timeN/A |