$474+ Cheap flights from St. Louis (STL) 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
Sep 27 — Oct 41
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Thailand with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from St. Louis to ThailandExplore the most affordable flight options available from St. Louis to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2026.
Explore the most affordable flight options available from St. Louis to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2026.
This Etihad Airways deal was found by Cheapflights users on 8/24. 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 10/125:00 am -
2 stops30h 55m
Wed 10/213:55 pm -
2 stops32h 40m
Deal found 8/24![Multiple Airlines logo]()
$1,037
This Etihad Airways deal was found by Cheapflights users on 8/27. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:54 am -
2 stops30h 01m
Sat 9/193:55 pm -
2 stops33h 21m
Deal found 8/27![Multiple Airlines logo]()
$1,038
This Etihad Airways deal was found by Cheapflights users on 8/25. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:27 am -
2 stops28h 23m
Wed 9/169:20 pm -
2 stops35h 24m
Deal found 8/25![Multiple Airlines logo]()
$1,068
This Booking.com deal was found by Cheapflights users on 8/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:50 pm -
2 stops32h 00m
Mon 11/912:15 pm -
2 stops46h 20m
Deal found 8/26![Multiple Airlines logo]()
$1,070
This Ovago deal was found by Cheapflights users on 8/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:43 pm -
2 stops46h 07m
Fri 11/203:30 pm -
2 stops37h 25m
Deal found 8/24![Etihad Airways logo]()
$1,084
This oojo deal was found by Cheapflights users on 8/25. 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.
Wed 10/71:06 pm -
2 stops35h 04m
Wed 10/143:55 pm -
2 stops44h 24m
Deal found 8/25![Etihad Airways logo]()
$1,091
This Etihad Airways deal was found by Cheapflights users on 8/25. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:06 pm -
2 stops35h 04m
Sun 10/252:40 pm -
2 stops34h 20m
Deal found 8/25![Multiple Airlines logo]()
$1,095
This oojo deal was found by Cheapflights users on 8/26. 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.
Fri 9/118:43 am -
2 stops27h 07m
Mon 9/149:25 am -
2 stops47h 19m
Deal found 8/26![Etihad Airways logo]()
$1,100
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:17 pm -
3 stops34h 23m
Fri 10/21:35 am -
3 stops44h 00m
Deal found 8/27![Multiple Airlines logo]()
$1,107
This oojo deal was found by Cheapflights users on 8/27. 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.
Wed 10/78:48 am -
2 stops34h 47m
Tue 10/133:00 am -
2 stops29h 57m
Deal found 8/27![Qatar Airways logo]()
$1,123
This Justfly.com deal was found by Cheapflights users on 8/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:02 am -
2 stops42h 03m
Tue 11/103:00 am -
2 stops28h 17m
Deal found 8/27![Qatar Airways logo]()
$1,126
This oojo deal was found by Cheapflights users on 8/25. 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.
Sun 11/11:20 pm -
2 stops45h 15m
Sun 11/89:50 am -
2 stops62h 02m
Deal found 8/25![Japan Airlines logo]()
$1,128
Best flights from St. Louis to ThailandDiscover carefully curated flight deals from St. Louis to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 28, 2026.
Discover carefully curated flight deals from St. Louis to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 28, 2026.
This Etihad Airways deal was found by Cheapflights users on 8/25. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:27 am -
2 stops28h 23m
Wed 9/169:20 pm -
2 stops35h 24m
Deal found 8/25![Multiple Airlines logo]()
$1,068
This Delta deal was found by Cheapflights users on 8/24. 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 12/17:08 am -
2 stops25h 22m
Thu 12/109:40 am -
2 stops24h 58m
Deal found 8/24![Delta logo]()
$1,150
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:40 pm -
3 stops32h 50m
Thu 11/129:10 am -
2 stops21h 59m
Deal found 8/25![United Airlines logo]()
$1,159
This KAYAK deal was found by Cheapflights users on 8/27. 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.
Wed 10/711:31 am -
2 stops41h 49m
Sat 10/1711:50 am -
2 stops47h 56m
Deal found 8/27![Cathay Pacific logo]()
$1,186
This Expedia deal was found by Cheapflights users on 8/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:23 am -
2 stops47h 12m
Sun 11/227:55 am -
2 stops39h 39m
Deal found 8/27![Japan Airlines logo]()
$1,202
This Korean Air deal was found by Cheapflights users on 8/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
2 stops52h 10m
Mon 9/2111:25 pm -
2 stops36h 17m
Deal found 8/27![Korean Air logo]()
$1,255
This Justfly.com deal was found by Cheapflights users on 8/23. 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.
Tue 10/67:02 am -
2 stops36h 43m
Sat 10/179:35 pm -
2 stops38h 24m
Deal found 8/23![Qatar Airways logo]()
$1,298
This Etihad Airways deal was found by Cheapflights users on 8/27. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:00 am -
2 stops30h 50m
Sat 10/39:20 pm -
2 stops35h 24m
Deal found 8/27![Multiple Airlines logo]()
$1,068
This United Airlines deal was found by Cheapflights users on 8/24. 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 10/288:50 am -
3 stops38h 40m
Wed 11/119:10 am -
2 stops27h 14m
Deal found 8/24![United Airlines logo]()
$1,159
This Delta deal was found by Cheapflights users on 8/24. 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 11/307:18 pm -
2 stops37h 12m
Fri 12/119:40 am -
2 stops24h 58m
Deal found 8/24![Delta logo]()
$1,200
This Cathay Pacific deal was found by Cheapflights users on 8/23. 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.
Thu 9/176:00 am -
2 stops40h 50m
Mon 9/216:20 pm -
2 stops41h 23m
Deal found 8/23![Cathay Pacific logo]()
$1,271
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:32 pm -
3 stops30h 03m
Wed 10/77:00 am -
2 stops25h 16m
Deal found 8/25![United Airlines logo]()
$1,161
This Justfly.com deal was found by Cheapflights users on 8/24. 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.
Wed 10/77:02 am -
2 stops36h 43m
Sat 10/179:35 pm -
2 stops38h 24m
Deal found 8/24![Qatar Airways logo]()
$1,298
This Etihad Airways deal was found by Cheapflights users on 8/23. 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 1/128:13 am -
2 stops32h 52m
Thu 1/289:10 am -
2 stops42h 54m
Deal found 8/23![Multiple Airlines logo]()
$1,207
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Sun 11/296:50 pm -
2 stops39h 00m
Wed 12/97:10 am -
2 stops22h 43m
Deal found 8/24![United Airlines logo]()
$1,165
This Cathay Pacific deal was found by Cheapflights users on 8/26. 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 10/911:31 am -
2 stops35h 19m
Fri 10/166:20 pm -
2 stops41h 59m
Deal found 8/26![Multiple Airlines logo]()
$1,281
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Sun 11/296:50 pm -
2 stops39h 00m
Thu 12/104:55 pm -
3 stops29h 45m
Deal found 8/24![United Airlines logo]()
$1,178
This Cathay Pacific deal was found by Cheapflights users on 8/25. 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.
Wed 10/711:31 am -
2 stops35h 19m
Sat 10/1711:50 am -
2 stops47h 56m
Deal found 8/25![Multiple Airlines logo]()
$1,287
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 9/185:30 pm -
3 stops28h 05m
Sun 10/49:35 am -
2 stops38h 38m
Deal found 8/27![United Airlines logo]()
$1,209
This Qatar Airways deal was found by Cheapflights users on 8/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/121:06 pm -
3 stops31h 19m
Thu 1/287:45 pm -
3 stops38h 23m
Deal found 8/25![Qatar Airways logo]()
$1,660
This Justfly.com deal was found by Cheapflights users on 8/24. 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.
Tue 12/13:24 pm -
2 stops30h 11m
Fri 12/411:50 am -
2 stops39h 36m
Deal found 8/24![Multiple Airlines logo]()
$1,321
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:36 pm -
3 stops31h 59m
Sat 9/197:00 am -
2 stops25h 47m
Deal found 8/26![United Airlines logo]()
$1,211
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Sat 11/144:39 pm -
3 stops29h 51m
Tue 11/244:55 pm -
3 stops30h 07m
Deal found 8/27![United Airlines logo]()
$1,219
This China Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/45:05 am -
2 stops40h 20m
Thu 1/2111:25 am -
2 stops40h 31m
Deal found 8/24![Multiple Airlines logo]()
$1,348
Last-minute flights from St. Louis to ThailandDiscover last-minute flight deals from St. Louis to Thailand. Data last updated August 28, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Thailand. Data last updated August 28, 2026 and is based on user searches.
This Etihad Airways deal was found by Cheapflights users on 8/27. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:54 am -
2 stops30h 01m
Sat 9/193:55 pm -
2 stops33h 21m
Deal found 8/27![Multiple Airlines logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:59 pm -
3 stops26h 36m
Mon 9/149:35 am -
2 stops47h 12m
Deal found 8/26![United Airlines logo]()
$1,155
This Etihad Airways deal was found by Cheapflights users on 8/25. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:27 am -
2 stops28h 23m
Wed 9/169:20 pm -
2 stops35h 24m
Deal found 8/25![Multiple Airlines logo]()
$1,068
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 9/1010:53 am -
3 stops34h 42m
Thu 9/177:00 am -
2 stops27h 30m
Deal found 8/27![United Airlines logo]()
$1,161
This oojo deal was found by Cheapflights users on 8/26. 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.
Fri 9/118:43 am -
2 stops27h 07m
Mon 9/149:25 am -
2 stops47h 19m
Deal found 8/26![Etihad Airways logo]()
$1,100
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Fri 9/1811:01 am -
2 stops32h 34m
Sat 10/32:30 am -
2 stops30h 14m
Deal found 8/27![Qatar Airways logo]()
$1,149
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 9/185:30 pm -
3 stops28h 05m
Sun 10/49:35 am -
2 stops38h 38m
Deal found 8/27![United Airlines logo]()
$1,209
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Sat 9/1911:01 am -
2 stops31h 19m
Fri 10/23:00 am -
2 stops29h 44m
Deal found 8/27![Qatar Airways logo]()
$1,140
This United Airlines deal was found by Cheapflights users on 8/23. 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 9/225:30 pm -
3 stops28h 05m
Wed 10/79:35 am -
2 stops45h 08m
Deal found 8/23![United Airlines logo]()
$1,159
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:17 pm -
3 stops34h 23m
Fri 10/21:35 am -
3 stops44h 00m
Deal found 8/27![Multiple Airlines logo]()
$1,107
This Japan Airlines deal was found by Cheapflights users on 8/26. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:01 am -
2 stops47h 59m
Wed 9/309:40 pm -
2 stops31h 08m
Deal found 8/26![Japan Airlines logo]()
$1,178
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:00 am -
3 stops36h 35m
Wed 9/307:00 am -
2 stops26h 21m
Deal found 8/26![United Airlines logo]()
$1,211
One-way flights from St. Louis to ThailandSearch for one-way flight options from St. Louis to Thailand. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.
Search for one-way flight options from St. Louis to Thailand. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/168:10 pm -
3 stops51h 05m
Deal found 8/24![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/308:10 pm -
3 stops52h 00m
Deal found 8/24![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:35 pm -
2 stops53h 35m
Deal found 8/23![Multiple Airlines logo]()
$507
This Justfly.com deal was found by Cheapflights users on 8/26. 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 2/41:06 pm -
2 stops34h 09m
Deal found 8/26![Qatar Airways logo]()
$549
This Etihad Airways deal was found by Cheapflights users on 8/27. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:00 am -
2 stops30h 55m
Deal found 8/27![Multiple Airlines logo]()
$574
This China Airlines deal was found by Cheapflights users on 8/26. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:50 pm -
2 stops31h 15m
Deal found 8/26![Multiple Airlines logo]()
$585
This oojo deal was found by Cheapflights users on 8/27. 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 2/67:29 am -
2 stops33h 46m
Deal found 8/27![Qatar Airways logo]()
$589
This FlightHub deal was found by Cheapflights users on 8/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:06 pm -
2 stops27h 14m
Deal found 8/26![Cathay Pacific logo]()
$594
This oojo deal was found by Cheapflights users on 8/23. 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 1/1412:01 pm -
2 stops53h 34m
Deal found 8/23![Etihad Airways logo]()
$603
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:14 pm -
3 stops46h 41m
Deal found 8/26![Multiple Airlines logo]()
$674
Find flight deals from St. Louis to Thailand
Keep the following information in mind while searching for St. Louis to Thailand flight deals. Data was last updated August 28, 2026.
Round-trip from | $1,037 (Etihad Airways) |
|---|---|
One-way from | $474 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,031 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 August 28, 2026.
Use the filters below to find and compare flights from St. Louis to Thailand that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisPhuket City
STL Lambert-St Louis - HKT Phuket City
STLHKT
Lambert-St Louis
Thu 9/10
7:27 am-11:50 pm
2 stops28h 23m
Phuket City
Wed 9/16
9:20 pm-8:44 pm
2 stops35h 24m
$1,068
St. LouisPhuket City
STL Lambert-St Louis - HKT Phuket City
STLHKT
Lambert-St Louis
Sat 9/26
5:00 am-11:50 pm
2 stops30h 50m
Phuket City
Sat 10/3
9:20 pm-8:44 pm
2 stops35h 24m
$1,068
Quickest round-trip
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Tue 12/1
7:08 am-9:30 pm
2 stops25h 22m
Bangkok Suvarnabhumi
Thu 12/10
9:40 am-9:38 pm
2 stops24h 58m
$1,150
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Mon 11/2
1:40 pm-11:30 am
3 stops32h 50m
Bangkok Suvarnabhumi
Thu 11/12
9:10 am-6:09 pm
2 stops21h 59m
$1,159
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Wed 10/28
8:50 am-11:30 am
3 stops38h 40m
Bangkok Suvarnabhumi
Wed 11/11
9:10 am-11:24 pm
2 stops27h 14m
$1,159
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Tue 9/22
3:32 pm-9:35 am
3 stops30h 03m
Bangkok Suvarnabhumi
Wed 10/7
7:00 am-8:16 pm
2 stops25h 16m
$1,161
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Sun 11/29
6:50 pm-10:50 pm
2 stops39h 00m
Bangkok Suvarnabhumi
Wed 12/9
7:10 am-4:53 pm
2 stops22h 43m
$1,165
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Sun 11/29
6:50 pm-10:50 pm
2 stops39h 00m
Bangkok Suvarnabhumi
Thu 12/10
4:55 pm-9:40 am
3 stops29h 45m
$1,178
St. LouisPhuket City
STL Lambert-St Louis - HKT Phuket City
STLHKT
Lambert-St Louis
Wed 10/7
11:31 am-5:20 pm
2 stops41h 49m
Phuket City
Sat 10/17
11:50 am-11:46 pm
2 stops47h 56m
$1,186
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Mon 11/30
7:18 pm-9:30 pm
2 stops37h 12m
Bangkok Suvarnabhumi
Fri 12/11
9:40 am-9:38 pm
2 stops24h 58m
$1,200
Showing 1-10 of 34 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Thailand
Have a flexible travel schedule? Discover the best time to fly to Thailand from St. Louis with our price prediction graph.
STL-BKK
STL-HKT
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 St. Louis to Thailand
STL-TH0
STL-BKK
STL-HKT
STL-CNX
What is the cheapest month to book a flight from St. Louis to Thailand?
Currently, August is the cheapest month in which you can book a flight from St. Louis to Thailand (average of $1,031). Flying from St. Louis to Thailand in December is currently the most expensive (average of $1,652). 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 St. Louis to Thailand?
The best time to book flights from St. Louis to Thailand is 7 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Thailand
Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated August 28, 2026.
See what other customers who have flown with Japan Airlines,Delta, andCathay Pacific from St. Louis to Thailand have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.3
Boarding
8.4
Comfort
8.2
Food
7.7
Entertainment
7.8
Crew
8.7
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Overall
8.3
Boarding
8.4
Comfort
8.2
Food
7.7
Entertainment
7.8
Crew
8.7
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Overall
8.3
Boarding
8.4
Comfort
8.2
Food
7.7
Entertainment
7.8
Crew
8.7
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Overall
8.3
Boarding
8.4
Comfort
8.2
Food
7.7
Entertainment
7.8
Crew
8.7
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Overall
8.3
Boarding
8.4
Comfort
8.2
Food
7.7
Entertainment
7.8
Crew
8.7
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Overall
8.3
Boarding
8.4
Comfort
8.2
Food
7.7
Entertainment
7.8
Crew
8.7
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Related info for your journey
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St. Louis and Thailand flights
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Top 8 airlines flying from St. Louis to Thailand
Discover the top 8 airlines that operate flights from St. Louis 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 August 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$881 | Average$1,259 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$927 | Average$1,278 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$929 | Average$1,045 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$946 | Average$1,204 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$948 | Average$1,242 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$982 | Average$1,249 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$990 | Average$1,411 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,048 | Average$1,456 | FlexibilityNo cancel fee | On-time74% |