$372+ Cheap flights from Illinois to Thailand
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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
Sep 4 — Sep 111
Round-trip
1 adult, Economy
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Cheapest flights from Illinois to ThailandExplore the most affordable flight options available from Illinois to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2026.
Explore the most affordable flight options available from Illinois to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2026.
This SmartFares deal was found by Cheapflights users on 7/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:00 pm -
1 stop30h 50m
Wed 9/1611:50 am -
1 stop38h 05m
Deal found 7/31![Cathay Pacific logo]()
$783
This SmartFares deal was found by Cheapflights users on 7/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:00 pm -
1 stop37h 20m
Mon 9/216:20 pm -
1 stop31h 35m
Deal found 7/31![Cathay Pacific logo]()
$801
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:00 pm -
1 stop30h 50m
Sun 9/206:20 pm -
1 stop31h 35m
Deal found 7/31![Cathay Pacific logo]()
$816
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:35 pm -
1 stop38h 00m
Sun 11/1512:20 pm -
1 stop37h 35m
Deal found 7/31![Cathay Pacific logo]()
$818
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:15 pm -
1 stop30h 35m
Sat 10/2411:50 am -
1 stop38h 05m
Deal found 7/31![Cathay Pacific logo]()
$823
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:15 pm -
1 stop29h 30m
Sat 10/3110:35 am -
1 stop39h 20m
Deal found 7/31![Cathay Pacific logo]()
$823
This KAYAK deal was found by Cheapflights users on 7/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:15 pm -
1 stop30h 35m
Tue 10/2712:20 pm -
1 stop37h 35m
Deal found 7/31![Cathay Pacific logo]()
$846
This SmartFares deal was found by Cheapflights users on 7/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm -
1 stop38h 40m
Thu 9/177:25 pm -
1 stop30h 30m
Deal found 7/31![Cathay Pacific logo]()
$852
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:00 pm -
1 stop38h 40m
Mon 9/147:25 pm -
1 stop30h 55m
Deal found 7/31![Cathay Pacific logo]()
$859
This Gotogate deal was found by Cheapflights users on 7/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:45 pm -
2 stops27h 35m
Tue 9/154:55 pm -
2 stops27h 45m
Deal found 7/31![Multiple Airlines logo]()
$887
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sat 8/228:25 pm -
1 stop22h 20m
Sun 8/303:55 pm -
1 stop28h 40m
Deal found 8/3![Etihad Airways logo]()
$889
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Fri 9/182:00 pm -
1 stop28h 45m
Sun 10/49:00 pm -
1 stop23h 35m
Deal found 8/3![Etihad Airways logo]()
$890
Best flights from Illinois to ThailandDiscover carefully curated flight deals from Illinois to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 2026.
Discover carefully curated flight deals from Illinois to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 2026.
This oojo deal was found by Cheapflights users on 8/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:00 pm -
2 stops33h 15m
Wed 9/238:00 pm -
2 stops48h 35m
Deal found 8/4![Etihad Airways logo]()
$891
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:45 pm -
1 stop22h 50m
Mon 10/123:45 pm -
2 stops25h 00m
Deal found 7/31![United Airlines logo]()
$902
This Korean Air deal was found by Cheapflights users on 8/2. 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.
Wed 10/2812:15 pm -
1 stop22h 40m
Mon 11/912:15 am -
1 stop21h 15m
Deal found 8/2![Korean Air logo]()
$910
This Delta deal was found by Cheapflights users on 8/2. 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.
Tue 9/159:59 am -
2 stops27h 06m
Tue 9/229:50 am -
2 stops24h 54m
Deal found 8/2![Delta logo]()
$921
This Flightnetwork deal was found by Cheapflights users on 8/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:45 pm -
2 stops27h 00m
Wed 9/238:00 pm -
2 stops30h 55m
Deal found 8/1![Multiple Airlines logo]()
$932
This EVA Air deal was found by Cheapflights users on 8/1. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:30 am -
1 stop21h 55m
Wed 9/2311:35 am -
1 stop21h 10m
Deal found 8/1![EVA Air logo]()
$986
This Oman Air deal was found by Cheapflights users on 7/31. 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 Oman Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:00 pm -
2 stops35h 55m
Fri 10/239:00 pm -
2 stops55h 05m
Deal found 7/31![Oman Air logo]()
$1,008
This Cathay Pacific deal was found by Cheapflights users on 8/3. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:15 pm -
1 stop37h 05m
Wed 9/2311:50 am -
1 stop38h 05m
Deal found 8/3![Cathay Pacific logo]()
$1,047
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/44:32 pm -
2 stops28h 53m
Thu 1/2111:25 am -
2 stops40h 01m
Deal found 7/31![China Airlines logo]()
$1,270
This Qatar Airways deal was found by Cheapflights users on 8/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:27 am -
2 stops34h 53m
Sun 10/43:00 am -
2 stops33h 09m
Deal found 8/4![Qatar Airways logo]()
$1,290
This Emirates deal was found by Cheapflights users on 8/4. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:35 pm -
1 stop27h 55m
Wed 9/1611:50 pm -
1 stop27h 55m
Deal found 8/4![Emirates logo]()
$1,374
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:45 pm -
2 stops28h 50m
Mon 10/123:45 pm -
2 stops25h 00m
Deal found 7/31![United Airlines logo]()
$906
This Delta deal was found by Cheapflights users on 8/3. 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.
Mon 8/319:59 am -
2 stops27h 06m
Mon 9/711:30 pm -
2 stops29h 27m
Deal found 8/3![Delta logo]()
$921
This EVA Air deal was found by Cheapflights users on 7/31. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:30 am -
1 stop22h 05m
Wed 10/2811:50 am -
1 stop20h 45m
Deal found 7/31![EVA Air logo]()
$1,001
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:59 am -
2 stops25h 36m
Tue 9/159:50 am -
2 stops24h 54m
Deal found 8/4![Delta logo]()
$921
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:58 pm -
2 stops31h 37m
Tue 2/237:10 am -
1 stop19h 40m
Deal found 8/1![United Airlines logo]()
$938
This Etihad Airways deal was found by Cheapflights users on 8/3. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:31 am -
2 stops31h 14m
Fri 10/233:15 am -
2 stops29h 58m
Deal found 8/3![Multiple Airlines logo]()
$1,037
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:59 pm -
2 stops27h 46m
Sun 11/158:30 am -
2 stops43h 06m
Deal found 7/31![Etihad Airways logo]()
$1,094
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:24 am -
2 stops24h 21m
Mon 9/149:40 pm -
2 stops26h 59m
Deal found 8/4![Delta logo]()
$921
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:00 pm -
2 stops30h 35m
Thu 9/107:00 am -
1 stop19h 55m
Deal found 8/4![United Airlines logo]()
$938
This Etihad Airways deal was found by Cheapflights users on 8/4. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:16 am -
2 stops35h 19m
Fri 10/233:15 am -
2 stops32h 54m
Deal found 8/4![Multiple Airlines logo]()
$1,037
This EVA Air deal was found by Cheapflights users on 8/4. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:30 am -
2 stops30h 40m
Thu 9/1711:35 am -
1 stop21h 10m
Deal found 8/4![EVA Air logo]()
$1,052
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:24 am -
2 stops24h 21m
Wed 9/169:50 am -
2 stops24h 54m
Deal found 8/4![Delta logo]()
$921
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:45 pm -
2 stops25h 50m
Wed 11/257:10 am -
1 stop19h 40m
Deal found 8/4![United Airlines logo]()
$938
This Etihad Airways deal was found by Cheapflights users on 7/31. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:31 am -
2 stops31h 14m
Fri 10/233:15 am -
2 stops32h 43m
Deal found 7/31![Multiple Airlines logo]()
$1,037
This oojo deal was found by Cheapflights users on 8/3. 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.
Sat 8/226:08 am -
2 stops29h 47m
Fri 8/283:55 pm -
2 stops44h 17m
Deal found 8/3![Etihad Airways logo]()
$1,162
This Qatar Airways deal was found by Cheapflights users on 7/31. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:51 pm -
2 stops27h 29m
Sun 9/138:00 pm -
2 stops40h 07m
Deal found 7/31![Qatar Airways logo]()
$1,329
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:59 am -
2 stops25h 36m
Wed 9/169:50 am -
2 stops24h 54m
Deal found 8/4![Delta logo]()
$921
This EVA Air deal was found by Cheapflights users on 8/3. 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 9/812:30 am -
2 stops30h 00m
Sun 9/139:55 pm -
2 stops34h 50m
Deal found 8/3![EVA Air logo]()
$1,116
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:00 pm -
2 stops32h 35m
Wed 10/217:00 am -
1 stop19h 55m
Deal found 8/4![United Airlines logo]()
$938
Last-minute flights from Illinois to ThailandDiscover last-minute flight deals from Illinois to Thailand. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Thailand. Data last updated August 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sat 8/228:25 pm -
1 stop22h 20m
Sun 8/303:55 pm -
1 stop28h 40m
Deal found 8/3![Etihad Airways logo]()
$889
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:00 pm -
1 stop30h 50m
Sun 9/2711:50 am -
1 stop38h 05m
Deal found 7/31![Cathay Pacific logo]()
$890
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:00 pm -
1 stop38h 40m
Mon 9/147:25 pm -
1 stop30h 55m
Deal found 7/31![Cathay Pacific logo]()
$859
This Gotogate deal was found by Cheapflights users on 7/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:45 pm -
2 stops27h 35m
Tue 9/154:55 pm -
2 stops27h 45m
Deal found 7/31![Multiple Airlines logo]()
$887
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:25 pm -
2 stops34h 45m
Mon 9/1411:55 am -
2 stops32h 40m
Deal found 7/31![Etihad Airways logo]()
$890
This SmartFares deal was found by Cheapflights users on 7/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:00 pm -
1 stop30h 50m
Wed 9/1611:50 am -
1 stop38h 05m
Deal found 7/31![Cathay Pacific logo]()
$783
This oojo deal was found by Cheapflights users on 8/2. 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.
Wed 9/92:00 pm -
2 stops33h 15m
Wed 9/238:00 pm -
2 stops48h 35m
Deal found 8/2![Etihad Airways logo]()
$891
This SmartFares deal was found by Cheapflights users on 7/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm -
1 stop38h 40m
Thu 9/177:25 pm -
1 stop30h 30m
Deal found 7/31![Cathay Pacific logo]()
$852
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:00 pm -
1 stop30h 50m
Sun 9/206:20 pm -
1 stop31h 35m
Deal found 7/31![Cathay Pacific logo]()
$816
This SmartFares deal was found by Cheapflights users on 7/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:00 pm -
1 stop37h 20m
Mon 9/216:20 pm -
1 stop31h 35m
Deal found 7/31![Cathay Pacific logo]()
$801
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Fri 9/182:00 pm -
1 stop28h 45m
Sun 10/49:00 pm -
1 stop23h 35m
Deal found 8/3![Etihad Airways logo]()
$890
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sat 9/192:00 pm -
1 stop21h 55m
Sun 10/49:00 pm -
1 stop23h 35m
Deal found 8/3![Etihad Airways logo]()
$891
One-way flights from Illinois to ThailandSearch for one-way flight options from Illinois to Thailand. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
Search for one-way flight options from Illinois to Thailand. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:25 pm -
1 stop39h 25m
Deal found 7/31![Etihad Airways logo]()
$372
This Flightnetwork deal was found by Cheapflights users on 8/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:25 pm -
1 stop22h 15m
Deal found 8/2![Etihad Airways logo]()
$380
This Flightnetwork deal was found by Cheapflights users on 7/31. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:00 pm -
1 stop28h 40m
Deal found 7/31![Etihad Airways logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/158:25 pm -
1 stop22h 15m
Deal found 8/3![Etihad Airways logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sun 8/238:25 pm -
1 stop33h 55m
Deal found 8/1![Etihad Airways logo]()
$385
This oojo deal was found by Cheapflights users on 8/3. 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 9/188:25 pm -
1 stop33h 55m
Deal found 8/3![Etihad Airways logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Fri 9/118:25 pm -
1 stop39h 25m
Deal found 8/3![Etihad Airways logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Fri 8/218:25 pm -
1 stop33h 55m
Deal found 8/1![Etihad Airways logo]()
$425
This SmartFares deal was found by Cheapflights users on 7/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:00 pm -
1 stop29h 45m
Deal found 7/31![Cathay Pacific logo]()
$428
This Goibibo deal was found by Cheapflights users on 7/31. 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 Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:00 pm -
1 stop38h 40m
Deal found 7/31![Cathay Pacific logo]()
$443
This SmartFares deal was found by Cheapflights users on 8/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:00 pm -
1 stop21h 55m
Deal found 8/4![Etihad Airways logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:38 am -
2 stops26h 17m
Deal found 8/5![Etihad Airways logo]()
$449
Find flight deals from Illinois to Thailand
Keep the following information in mind while searching for Illinois to Thailand flight deals. Data was last updated August 5, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $783 (SmartFares) |
One-way from | $372 (oojo) |
Popular in | December |
Cheapest in | September |
Average price | $1,045 |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Thailand 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 August 5, 2026.
Use the filters below to find and compare flights from Illinois to Thailand that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoChiang Mai
ORD - CNX
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
$891
ChicagoBangkok
ORD - BKK
ORDBKK
Chicago O'Hare Intl
Mon 8/10
5:45 pm-4:35 am
1 stop22h 50m
Bangkok Suvarnabhumi
Mon 10/12
3:45 pm-4:45 am
2 stops25h 00m
$902
ChicagoBangkok
ORD - BKK
ORDBKK
Chicago O'Hare Intl
Tue 8/11
4:45 pm-9:35 am
2 stops28h 50m
Bangkok Suvarnabhumi
Mon 10/12
3:45 pm-4:45 am
2 stops25h 00m
$906
ChicagoChiang Mai
ORD - CNX
ORDCNX
Chicago O'Hare Intl
Wed 10/28
12:15 pm-10:55 pm
1 stop22h 40m
Chiang Mai
Mon 11/9
12:15 am-8:30 am
1 stop21h 15m
$910
ChicagoBangkok
MDW - BKK
MDWBKK
Chicago Midway
Tue 9/15
9:59 am-1:05 am
2 stops27h 06m
Bangkok Suvarnabhumi
Tue 9/22
9:50 am-10:44 pm
2 stops24h 54m
$921
ChicagoBangkok
MDW - BKK
MDWBKK
Chicago Midway
Mon 8/31
9:59 am-1:05 am
2 stops27h 06m
Bangkok Suvarnabhumi
Mon 9/7
11:30 pm-4:57 pm
2 stops29h 27m
$921
ChicagoBangkok
MDW - BKK
MDWBKK
Chicago Midway
Wed 9/2
9:59 am-11:35 pm
2 stops25h 36m
Bangkok Suvarnabhumi
Tue 9/15
9:50 am-10:44 pm
2 stops24h 54m
$921
ChicagoBangkok
MDW - BKK
MDWBKK
Chicago Midway
Thu 9/3
9:24 am-9:45 pm
2 stops24h 21m
Bangkok Suvarnabhumi
Mon 9/14
9:40 pm-12:39 pm
2 stops26h 59m
$921
ChicagoBangkok
MDW - BKK
MDWBKK
Chicago Midway
Tue 9/1
9:24 am-9:45 pm
2 stops24h 21m
Bangkok Suvarnabhumi
Wed 9/16
9:50 am-10:44 pm
2 stops24h 54m
$921
ChicagoBangkok
MDW - BKK
MDWBKK
Chicago Midway
Thu 9/3
9:59 am-11:35 pm
2 stops25h 36m
Bangkok Suvarnabhumi
Wed 9/16
9:50 am-10:44 pm
2 stops24h 54m
$921
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Thailand
Have a flexible travel schedule? Discover the best time to fly to Thailand from Illinois with our price prediction graph.
ORD-HKT
ORD-CNX
ORD-BKK
MDW-BKK
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 Thailand
USIL-TH0
ORD-HKT
ORD-CNX
ORD-BKK
MDW-BKK
What is the cheapest month to book a flight from Illinois to Thailand?
Currently, September is the cheapest month in which you can book a flight from Illinois to Thailand (average of $857). Flying from Illinois to Thailand in December is currently the most expensive (average of $1,303). 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 far ahead should I book a flight from Illinois to Thailand?
The price you pay for your flight from Illinois to Thailand may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Thailand. 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.
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Complete your trip
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Alternative routes for Illinois to Thailand
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Thailand by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Thailand by cabin class
Find flights from Illinois to Thailand, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Thailand flights
Browse other Illinois and Thailand flight options. Last updated on August 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Thailand
Find the right flight back to Illinois after your stay in Thailand
Illinois to Thailand flights
Consider these flights traveling from Illinois to Thailand.
Fly to Thailand regions
Consider these flights traveling to Thailand regions.
Top 10 airlines flying from Illinois to Thailand
Discover the top 10 airlines that operate flights from Illinois to Thailand. 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 August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$601 | Average$872 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$667 | Average$922 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$680 | Average$1,114 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$694 | Average$1,028 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$710 | Average$1,011 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$718 | Average$1,164 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$749 | Average$1,364 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$790 | Average$1,063 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$803 | Average$1,112 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$815 | Average$956 | FlexibilityNo cancel fee | On-time79% |