$396+ Cheap flights from Illinois to Thailand
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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BKK
Nov 29 — Dec 61
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 October 30, 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 October 30, 2026.
This IEagle deal was found by Cheapflights users on 10/25. 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.
Mon 10/263:10 pm -
1 stop38h 35m
Sun 11/812:20 pm -
1 stop37h 10m
Deal found 10/25![Cathay Pacific logo]()
$880
This Justfly.com deal was found by Cheapflights users on 10/26. 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.
Thu 10/293:10 pm -
1 stop31h 25m
Sat 11/75:45 pm -
1 stop31h 45m
Deal found 10/26![Cathay Pacific logo]()
$888
This FlightHub deal was found by Cheapflights users on 10/27. 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 11/162:10 pm -
1 stop38h 35m
Tue 12/1512:20 pm -
1 stop37h 10m
Deal found 10/27![Cathay Pacific logo]()
$888
This Justfly.com deal was found by Cheapflights users on 10/25. 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 11/82:10 pm -
1 stop39h 45m
Mon 11/237:40 pm -
1 stop29h 50m
Deal found 10/25![Cathay Pacific logo]()
$888
This CheapOair deal was found by Cheapflights users on 10/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:45 am -
1 stop37h 45m
Sun 12/201:35 am -
2 stops43h 05m
Deal found 10/27![Ethiopian Air logo]()
$890
This SmartFares deal was found by Cheapflights users on 10/29. 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 11/112:10 pm -
1 stop21h 05m
Tue 11/171:05 pm -
1 stop36h 25m
Deal found 10/29![Cathay Pacific logo]()
$892
This oojo deal was found by Cheapflights users on 10/27. 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 12/511:45 am -
1 stop27h 30m
Tue 12/1511:10 pm -
1 stop23h 50m
Deal found 10/27![Turkish Airlines logo]()
$898
This IEagle deal was found by Cheapflights users on 10/29. 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.
Tue 11/101:15 pm -
1 stop33h 20m
Wed 12/237:55 pm -
1 stop24h 40m
Deal found 10/29![Etihad Airways logo]()
$899
This CheapOair deal was found by Cheapflights users on 10/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:45 am -
1 stop30h 40m
Mon 12/78:55 am -
1 stop38h 05m
Deal found 10/26![Turkish Airlines logo]()
$899
This Gotogate deal was found by Cheapflights users on 10/27. 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.
Sun 11/82:10 pm -
1 stop31h 25m
Sun 11/227:55 pm -
1 stop24h 40m
Deal found 10/27![Multiple Airlines logo]()
$900
This oojo deal was found by Cheapflights users on 10/26. 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 11/116:29 am -
2 stops27h 16m
Wed 11/259:55 am -
1 stop20h 00m
Deal found 10/26![Philippine Airlines logo]()
$901
This Ethiopian Air deal was found by Cheapflights users on 10/30. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:45 am -
1 stop37h 45m
Thu 11/261:35 am -
2 stops43h 05m
Deal found 10/30![Ethiopian Air logo]()
$905
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 October 30, 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 October 30, 2026.
This IEagle deal was found by Cheapflights users on 10/26. 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.
Thu 4/154:15 pm -
1 stop39h 25m
Sun 4/2511:55 am -
1 stop38h 00m
Deal found 10/26![Cathay Pacific logo]()
$867
This Expedia deal was found by Cheapflights users on 10/25. 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.
Fri 2/52:10 pm -
2 stops28h 55m
Mon 3/14:30 pm -
2 stops33h 00m
Deal found 10/25![Multiple Airlines logo]()
$920
This IEagle deal was found by Cheapflights users on 10/29. 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.
Thu 2/41:15 pm -
1 stop33h 45m
Wed 2/172:40 am -
1 stop41h 55m
Deal found 10/29![Etihad Airways logo]()
$930
This Delta deal was found by Cheapflights users on 10/28. 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 1/202:25 pm -
2 stops34h 00m
Wed 4/219:40 pm -
1 stop24h 00m
Deal found 10/28![Delta logo]()
$934
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/3010:40 am -
1 stop24h 40m
Sat 12/127:10 am -
2 stops24h 55m
Deal found 10/29![United Airlines logo]()
$1,069
This oojo deal was found by Cheapflights users on 10/27. 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 2/154:29 pm -
2 stops25h 11m
Wed 3/33:00 am -
2 stops34h 05m
Deal found 10/27![Qatar Airways logo]()
$1,076
This EVA Air deal was found by Cheapflights users on 10/28. 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 2/1711:30 pm -
2 stops31h 10m
Sun 2/2110:00 pm -
2 stops34h 35m
Deal found 10/28![EVA Air logo]()
$1,211
This Emirates deal was found by Cheapflights users on 10/27. 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.
Thu 2/187:45 pm -
1 stop23h 25m
Tue 3/211:10 am -
1 stop41h 00m
Deal found 10/27![Emirates logo]()
$1,247
This Turkish Airlines deal was found by Cheapflights users on 10/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:45 am -
2 stops41h 40m
Tue 11/176:40 pm -
2 stops28h 20m
Deal found 10/29![Turkish Airlines logo]()
$1,467
This Delta deal was found by Cheapflights users on 10/28. 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 1/215:30 am -
2 stops29h 50m
Wed 2/171:05 am -
1 stop20h 25m
Deal found 10/28![Delta logo]()
$934
This KLM deal was found by Cheapflights users on 10/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/255:45 pm -
2 stops24h 25m
Sun 1/319:15 am -
2 stops27h 40m
Deal found 10/28![KLM logo]()
$1,917
This Etihad Airways deal was found by Cheapflights users on 10/29. 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 2/151:15 pm -
1 stop21h 35m
Wed 2/172:40 am -
1 stop41h 55m
Deal found 10/29![Etihad Airways logo]()
$986
This SmartFares deal was found by Cheapflights users on 10/28. 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 1/312:10 pm -
1 stop40h 25m
Sat 4/39:15 am -
2 stops40h 40m
Deal found 10/28![Multiple Airlines logo]()
$1,021
This Delta deal was found by Cheapflights users on 10/26. 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 2/32:25 pm -
2 stops34h 00m
Wed 2/1711:15 pm -
1 stop22h 15m
Deal found 10/26![Delta logo]()
$934
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/2510:30 am -
1 stop24h 50m
Sun 12/204:55 pm -
2 stops26h 04m
Deal found 10/27![United Airlines logo]()
$1,077
This Etihad Airways deal was found by Cheapflights users on 10/28. 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 1/261:15 pm -
1 stop39h 55m
Tue 2/28:40 am -
1 stop35h 55m
Deal found 10/28![Etihad Airways logo]()
$994
This Cathay Pacific deal was found by Cheapflights users on 10/26. 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.
Fri 11/132:10 pm -
1 stop40h 25m
Tue 11/1711:40 am -
1 stop37h 50m
Deal found 10/26![Cathay Pacific logo]()
$1,116
This Qatar Airways deal was found by Cheapflights users on 10/28. 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.
Sat 1/236:50 pm -
1 stop23h 00m
Tue 2/210:30 am -
2 stops41h 00m
Deal found 10/28![Qatar Airways logo]()
$1,124
This Delta deal was found by Cheapflights users on 10/26. 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 1/186:00 am -
2 stops27h 45m
Sun 2/712:20 am -
1 stop21h 10m
Deal found 10/26![Delta logo]()
$934
This Qatar Airways deal was found by Cheapflights users on 10/26. 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.
Fri 1/156:50 pm -
2 stops31h 55m
Mon 4/129:20 am -
1 stop41h 45m
Deal found 10/26![Qatar Airways logo]()
$1,127
This EVA Air deal was found by Cheapflights users on 10/28. 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 1/2511:30 pm -
2 stops32h 45m
Fri 1/299:35 am -
2 stops23h 00m
Deal found 10/28![EVA Air logo]()
$1,251
This Delta deal was found by Cheapflights users on 10/28. 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 1/247:00 am -
2 stops28h 20m
Mon 2/111:15 pm -
2 stops35h 21m
Deal found 10/28![Delta logo]()
$944
This Malaysia Airlines deal was found by Cheapflights users on 10/29. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/116:50 pm -
3 stops35h 10m
Mon 1/1812:25 pm -
2 stops32h 05m
Deal found 10/29![Malaysia Airlines logo]()
$2,577
This KAYAK deal was found by Cheapflights users on 10/27. 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 4/14:15 pm -
1 stop39h 25m
Wed 4/1411:55 am -
1 stop38h 00m
Deal found 10/27![Cathay Pacific logo]()
$1,185
This Etihad Airways deal was found by Cheapflights users on 10/28. 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 2/81:15 pm -
2 stops38h 35m
Tue 2/161:00 pm -
2 stops55h 35m
Deal found 10/28![Etihad Airways logo]()
$1,141
This Delta deal was found by Cheapflights users on 10/29. 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 2/117:10 am -
2 stops28h 10m
Sun 2/219:40 pm -
2 stops32h 41m
Deal found 10/29![Delta logo]()
$944
This EVA Air deal was found by Cheapflights users on 10/28. 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 1/2411:30 pm -
2 stops31h 10m
Fri 1/2910:00 pm -
2 stops34h 35m
Deal found 10/28![EVA Air logo]()
$1,291
This Cathay Pacific deal was found by Cheapflights users on 10/26. 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 11/116:02 am -
2 stops43h 03m
Wed 12/212:45 pm -
2 stops41h 42m
Deal found 10/26![Multiple Airlines logo]()
$1,307
This Emirates deal was found by Cheapflights users on 10/28. 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 1/259:18 am -
2 stops33h 52m
Tue 2/211:10 am -
1 stop41h 00m
Deal found 10/28![Emirates logo]()
$1,450
This KAYAK deal was found by Cheapflights users on 10/25. 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 2/215:02 am -
2 stops36h 13m
Sat 2/272:00 am -
2 stops35h 05m
Deal found 10/25![Qatar Airways logo]()
$1,200
Last-minute flights from Illinois to ThailandDiscover last-minute flight deals from Illinois to Thailand. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Thailand. Data last updated October 30, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 10/26. 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.
Thu 10/293:10 pm -
1 stop31h 25m
Sat 11/75:45 pm -
1 stop31h 45m
Deal found 10/26![Cathay Pacific logo]()
$888
This Ethiopian Air deal was found by Cheapflights users on 10/30. 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 Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:45 am -
1 stop37h 45m
Thu 11/261:35 am -
2 stops43h 05m
Deal found 10/30![Ethiopian Air logo]()
$905
This Justfly.com deal was found by Cheapflights users on 10/25. 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 11/82:10 pm -
1 stop39h 45m
Mon 11/237:40 pm -
1 stop29h 50m
Deal found 10/25![Cathay Pacific logo]()
$888
This Gotogate deal was found by Cheapflights users on 10/27. 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.
Sun 11/82:10 pm -
1 stop31h 25m
Sun 11/227:55 pm -
1 stop24h 40m
Deal found 10/27![Multiple Airlines logo]()
$900
This IEagle deal was found by Cheapflights users on 10/29. 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.
Tue 11/101:15 pm -
1 stop33h 20m
Wed 12/237:55 pm -
1 stop24h 40m
Deal found 10/29![Etihad Airways logo]()
$899
This SmartFares deal was found by Cheapflights users on 10/29. 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 11/112:10 pm -
1 stop21h 05m
Tue 11/171:05 pm -
1 stop36h 25m
Deal found 10/29![Cathay Pacific logo]()
$892
This oojo deal was found by Cheapflights users on 10/26. 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 11/116:29 am -
2 stops27h 16m
Wed 11/259:55 am -
1 stop20h 00m
Deal found 10/26![Philippine Airlines logo]()
$901
This FlightHub deal was found by Cheapflights users on 10/27. 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 11/162:10 pm -
1 stop38h 35m
Tue 12/1512:20 pm -
1 stop37h 10m
Deal found 10/27![Cathay Pacific logo]()
$888
This IEagle deal was found by Cheapflights users on 10/29. 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.
Mon 11/231:15 pm -
1 stop33h 20m
Thu 12/38:30 am -
1 stop36h 05m
Deal found 10/29![Etihad Airways logo]()
$907
This Globehunters deal was found by Cheapflights users on 10/25. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/281:15 pm -
1 stop28h 20m
Tue 12/158:50 pm -
1 stop23h 45m
Deal found 10/25![Etihad Airways logo]()
$906
This IEagle deal was found by Cheapflights users on 10/27. 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 11/281:15 pm -
1 stop28h 20m
Wed 3/247:55 pm -
1 stop24h 40m
Deal found 10/27![Etihad Airways logo]()
$908
This CheapOair deal was found by Cheapflights users on 10/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:45 am -
1 stop37h 45m
Sun 12/201:35 am -
2 stops43h 05m
Deal found 10/27![Ethiopian Air logo]()
$890
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 October 30, 2026.
Search for one-way flight options from Illinois to Thailand. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This oojo deal was found by Cheapflights users on 10/26. 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 2/171:15 pm -
1 stop33h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Etihad Airways logo]()
$396
This IEagle deal was found by Cheapflights users on 10/29. 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.
Wed 1/131:15 pm -
1 stop21h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Etihad Airways logo]()
$400
This oojo deal was found by Cheapflights users on 10/26. 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 4/182:00 pm -
2 stops34h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Etihad Airways logo]()
$446
This Delta deal was found by Cheapflights users on 10/28. 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 1/286:00 am -
2 stops29h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 10/29. 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 2/226:00 am -
2 stops28h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$454
This Expedia deal was found by Cheapflights users on 10/29. 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.
Tue 11/241:15 pm -
1 stop33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Etihad Airways logo]()
$455
This Delta deal was found by Cheapflights users on 10/25. 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 4/129:30 am -
2 stops24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$456
This oojo deal was found by Cheapflights users on 10/25. 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 1/221:15 pm -
1 stop21h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Etihad Airways logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 11/257:49 am -
3 stops48h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$458
This oojo deal was found by Cheapflights users on 10/29. 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 1/151:15 pm -
1 stop21h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Etihad Airways logo]()
$460
This Cathay Pacific deal was found by Cheapflights users on 10/25. 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.
Sun 11/82:10 pm -
1 stop36h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Cathay Pacific logo]()
$461
This Delta deal was found by Cheapflights users on 10/28. 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 1/185:40 pm -
2 stops38h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Delta logo]()
$465
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 October 30, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $845 (IEagle) |
One-way from | $396 (oojo) |
Popular in | December |
Cheapest in | April |
Average price | $936 |
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 7,457,451 searches. Data last updated October 30, 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
ChicagoBangkok
MDW Chicago Midway - BKK Bangkok Suvarnabhumi
MDWBKK
Chicago Midway
Wed 2/17
5:25 pm-1:25 pm
2 stops31h 00m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$454
Quickest round-trip
ChicagoPhuket City
ORD Chicago O'Hare Intl - HKT Phuket City
ORDHKT
Chicago O'Hare Intl
Fri 1/22
1:15 pm-11:50 pm
1 stop21h 35m
Phuket City
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$456
ChicagoBangkok
MDW Chicago Midway - BKK Bangkok Suvarnabhumi
MDWBKK
Chicago Midway
Wed 1/20
6:40 pm-11:05 pm
2 stops39h 25m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$465
ChicagoBangkok
MDW Chicago Midway - BKK Bangkok Suvarnabhumi
MDWBKK
Chicago Midway
Mon 1/18
5:40 pm-9:30 pm
2 stops38h 50m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$465
ChicagoBangkok
MDW Chicago Midway - BKK Bangkok Suvarnabhumi
MDWBKK
Chicago Midway
Wed 1/13
6:00 am-1:25 pm
2 stops42h 25m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$479
ChicagoBangkok
MDW Chicago Midway - BKK Bangkok Suvarnabhumi
MDWBKK
Chicago Midway
Thu 2/11
6:00 am-12:20 am
2 stops29h 20m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$479
ChicagoKo Samui
ORD Chicago O'Hare Intl - USM Ko Samui
ORDUSM
Chicago O'Hare Intl
Wed 2/17
2:10 pm-3:35 pm
2 stops36h 25m
Ko Samui
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$488
ChicagoPhuket City
ORD Chicago O'Hare Intl - HKT Phuket City
ORDHKT
Chicago O'Hare Intl
Mon 11/30
10:30 am-9:10 am
2 stops33h 40m
Phuket City
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$497
ChicagoPhuket City
ORD Chicago O'Hare Intl - HKT Phuket City
ORDHKT
Chicago O'Hare Intl
Thu 11/5
5:27 am-9:25 pm
2 stops26h 58m
Phuket City
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$506
ChicagoChiang Mai
ORD Chicago O'Hare Intl - CNX Chiang Mai
ORDCNX
Chicago O'Hare Intl
Sat 2/6
11:10 am-10:45 pm
1 stop22h 35m
Chiang Mai
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$513
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-BKK
ORD-HKT
ORD-CNX
MDW-BKK
ORD-USM
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-BKK
ORD-HKT
ORD-CNX
MDW-BKK
What is the cheapest month to book a flight from Illinois to Thailand?
Currently, February is the cheapest month in which you can book a flight from Illinois to Thailand (average of $898). Flying from Illinois to Thailand in December is currently the most expensive (average of $1,438). 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 56 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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Top regions
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 October 30, 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$636 | Average$909 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$680 | Average$1,229 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$735 | Average$1,027 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$774 | Average$1,068 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$787 | Average$1,232 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$790 | Average$1,063 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$795 | Average$983 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$801 | Average$1,134 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$805 | Average$1,194 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$823 | Average$1,325 | FlexibilityNo cancel fee | On-time67% |