$513+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
Sep 11 — Sep 181
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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 12, 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 12, 2026.
This Etihad Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 8/12![Multiple Airlines logo]()
$1,037
This Etihad Airways deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 8/206:54 am -
2 stops30h 01m
Wed 11/188:50 pm -
2 stops35h 48m
Deal found 8/10![Multiple Airlines logo]()
$1,038
This FlightHub deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:32 am -
2 stops36h 43m
Tue 11/103:00 am -
2 stops29h 22m
Deal found 8/9![Qatar Airways logo]()
$1,065
This Gurufare deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:00 am -
2 stops37h 45m
Sat 9/263:15 am -
2 stops29h 29m
Deal found 8/9![Etihad Airways logo]()
$1,067
This Etihad Airways deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/1011:01 am -
2 stops31h 39m
Wed 9/169:20 pm -
2 stops35h 24m
Deal found 8/11![Multiple Airlines logo]()
$1,068
This Justfly.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/411:01 am -
2 stops31h 19m
Tue 10/208:00 pm -
2 stops36h 57m
Deal found 8/10![Qatar Airways logo]()
$1,069
This Etihad Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/286:00 am -
2 stops36h 40m
Fri 10/29:20 pm -
2 stops39h 07m
Deal found 8/12![Multiple Airlines logo]()
$1,070
This Etihad Airways deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/2810:00 am -
2 stops32h 35m
Wed 11/112:40 pm -
2 stops38h 15m
Deal found 8/11![Multiple Airlines logo]()
$1,098
This Justfly.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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.
Sat 10/1011:31 am -
2 stops30h 49m
Mon 11/93:00 am -
2 stops28h 17m
Deal found 8/10![Qatar Airways logo]()
$1,105
This KAYAK deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 stops32h 04m
Sun 10/182:30 am -
2 stops30h 27m
Deal found 8/10![Qatar Airways logo]()
$1,107
This Justfly.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/411:01 am -
2 stops32h 34m
Sat 10/172:30 am -
2 stops30h 27m
Deal found 8/10![Qatar Airways logo]()
$1,109
This FlightHub deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:30 pm -
2 stops28h 45m
Mon 11/233:00 am -
2 stops28h 22m
Deal found 8/8![Qatar Airways logo]()
$1,115
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 12, 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 12, 2026.
This Etihad Airways deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/205:00 am -
2 stops30h 55m
Fri 9/259:00 pm -
2 stops39h 27m
Deal found 8/11![Multiple Airlines logo]()
$1,038
This Qatar Airways deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:32 am -
2 stops31h 08m
Mon 11/232:00 am -
2 stops30h 25m
Deal found 8/8![Qatar Airways logo]()
$1,131
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/105:36 pm -
3 stops27h 59m
Tue 11/109:10 am -
2 stops38h 22m
Deal found 8/11![United Airlines logo]()
$1,367
This Korean Air deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/296:00 am -
2 stops28h 55m
Sun 11/112:15 am -
2 stops36h 39m
Deal found 8/11![Korean Air logo]()
$1,647
This Etihad Airways deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:27 am -
2 stops28h 23m
Sun 9/273:20 pm -
2 stops38h 10m
Deal found 8/9![Multiple Airlines logo]()
$1,068
This Qatar Airways deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:20 pm -
2 stops33h 55m
Thu 11/269:05 am -
2 stops46h 17m
Deal found 8/8![Qatar Airways logo]()
$1,134
This Etihad Airways deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/1011:01 am -
2 stops31h 39m
Wed 9/169:20 pm -
2 stops35h 24m
Deal found 8/11![Multiple Airlines logo]()
$1,068
This Qatar Airways deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:32 am -
2 stops29h 43m
Fri 11/202:00 am -
2 stops29h 22m
Deal found 8/8![Qatar Airways logo]()
$1,171
This Etihad Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/286:00 am -
2 stops36h 40m
Fri 10/29:20 pm -
2 stops39h 07m
Deal found 8/12![Multiple Airlines logo]()
$1,070
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/231:36 pm -
3 stops33h 54m
Tue 11/37:10 am -
2 stops25h 13m
Deal found 8/11![United Airlines logo]()
$1,369
This Qatar Airways deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Mon 11/167:00 am -
2 stops34h 40m
Thu 11/269:05 am -
2 stops50h 13m
Deal found 8/11![Qatar Airways logo]()
$1,209
This China Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/216:25 am -
3 stops39h 20m
Mon 9/2810:50 am -
2 stops39h 31m
Deal found 8/10![Multiple Airlines logo]()
$1,246
This Qatar Airways deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:01 am -
2 stops31h 19m
Wed 9/163:00 am -
2 stops29h 44m
Deal found 8/7![Qatar Airways logo]()
$1,250
This FlightHub deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:02 am -
2 stops36h 43m
Sat 10/179:35 pm -
2 stops38h 24m
Deal found 8/7![Qatar Airways logo]()
$1,294
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:24 pm -
2 stops30h 11m
Fri 12/411:50 am -
2 stops39h 36m
Deal found 8/12![Multiple Airlines logo]()
$1,320
This Qatar Airways deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:01 am -
3 stops34h 19m
Wed 9/308:00 pm -
3 stops36h 44m
Deal found 8/9![Qatar Airways logo]()
$1,322
This China Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:25 am -
2 stops36h 25m
Sun 12/205:50 pm -
3 stops33h 10m
Deal found 8/7![Multiple Airlines logo]()
$1,341
This Qatar Airways deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:35 am -
2 stops37h 10m
Thu 9/109:35 pm -
2 stops38h 24m
Deal found 8/7![Qatar Airways logo]()
$1,338
This KAYAK deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/44:32 pm -
2 stops29h 03m
Thu 1/212:05 pm -
3 stops37h 21m
Deal found 8/11![Multiple Airlines logo]()
$1,363
This Cathay Pacific deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/172:45 pm -
3 stops42h 12m
Deal found 8/11![Multiple Airlines logo]()
$1,524
This Qatar Airways deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/121:06 pm -
3 stops35h 44m
Thu 1/287:45 pm -
3 stops38h 23m
Deal found 8/7![Qatar Airways logo]()
$1,607
This Cathay Pacific deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Tue 10/61:06 pm -
2 stops33h 44m
Sat 10/1712:55 pm -
3 stops44h 02m
Deal found 8/11![Multiple Airlines logo]()
$1,571
This Qatar Airways deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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.
Thu 1/149:33 am -
3 stops34h 52m
Sun 2/147:45 pm -
3 stops38h 23m
Deal found 8/11![Qatar Airways logo]()
$1,644
Last-minute flights from St. Louis to ThailandDiscover last-minute flight deals from St. Louis to Thailand. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Thailand. Data last updated August 12, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:35 am -
2 stops29h 00m
Fri 9/47:55 am -
2 stops28h 04m
Deal found 8/10![Multiple Airlines logo]()
$1,153
This Etihad Airways deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 8/206:54 am -
2 stops30h 01m
Wed 11/188:50 pm -
2 stops35h 48m
Deal found 8/10![Multiple Airlines logo]()
$1,038
This Etihad Airways deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:54 am -
2 stops35h 51m
Sat 9/53:55 pm -
2 stops36h 25m
Deal found 8/7![Multiple Airlines logo]()
$1,178
This Ovago deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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.
Wed 8/266:35 am -
2 stops28h 25m
Tue 9/17:55 am -
2 stops42h 09m
Deal found 8/10![Multiple Airlines logo]()
$1,171
This Bravofly deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:25 pm -
2 stops30h 10m
Fri 9/112:30 am -
2 stops30h 14m
Deal found 8/7![Qatar Airways logo]()
$1,126
This Etihad Airways deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 9/1011:01 am -
2 stops31h 39m
Wed 9/169:20 pm -
2 stops35h 24m
Deal found 8/11![Multiple Airlines logo]()
$1,068
This Gurufare deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:00 am -
2 stops37h 45m
Sat 9/263:15 am -
2 stops29h 29m
Deal found 8/9![Etihad Airways logo]()
$1,067
This FlightHub deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:01 am -
2 stops37h 54m
Sat 9/262:30 am -
2 stops33h 57m
Deal found 8/9![Qatar Airways logo]()
$1,105
This Trip.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 9/2112:17 pm -
3 stops34h 23m
Mon 9/2811:45 am -
3 stops35h 47m
Deal found 8/10![Multiple Airlines logo]()
$1,140
This Air Canada deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:10 pm -
2 stops45h 50m
Wed 9/3011:00 pm -
2 stops51h 00m
Deal found 8/9![Multiple Airlines logo]()
$1,311
This Qatar Airways deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:01 am -
3 stops34h 19m
Wed 9/308:00 pm -
3 stops36h 44m
Deal found 8/9![Qatar Airways logo]()
$1,322
This Etihad Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/286:00 am -
2 stops36h 40m
Fri 10/29:20 pm -
2 stops39h 07m
Deal found 8/12![Multiple Airlines logo]()
$1,070
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 12, 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 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:29 pm -
2 stops28h 16m
Deal found 8/7![Multiple Airlines logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 11/16:49 pm -
2 stops39h 31m
Deal found 8/10![Multiple Airlines logo]()
$544
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 11/310:35 am -
3 stops59h 35m
Deal found 8/10![Multiple Airlines logo]()
$548
This FlightHub deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/117:29 am -
2 stops36h 06m
Deal found 8/10![Qatar Airways logo]()
$553
This FlightHub deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/41:06 pm -
2 stops28h 09m
Deal found 8/10![Qatar Airways logo]()
$554
This IEagle deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 11/311:32 am -
2 stops35h 43m
Deal found 8/10![Qatar Airways logo]()
$557
This China Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 8/7![Multiple Airlines logo]()
$568
This Etihad Airways deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 8/11![Multiple Airlines logo]()
$574
This FlightHub deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 10/101:06 pm -
2 stops30h 29m
Deal found 8/10![Qatar Airways logo]()
$593
This SmartFares deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:04 pm -
2 stops31h 16m
Deal found 8/11![Multiple Airlines logo]()
$606
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 12, 2026.
Round-trip from | $1,037 (Etihad Airways) |
|---|---|
One-way from | $513 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $979 |
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 2,558,603 searches. Data last updated August 12, 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. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Sun 9/20
5:00 am-11:55 pm
2 stops30h 55m
Bangkok Suvarnabhumi
Fri 9/25
9:00 pm-12:27 am
2 stops39h 27m
$1,038
St. LouisPhuket City
STL Lambert-St Louis - HKT Phuket City
STLHKT
Lambert-St Louis
Sun 9/20
7:27 am-11:50 pm
2 stops28h 23m
Phuket City
Sun 9/27
3:20 pm-5:30 pm
2 stops38h 10m
$1,068
St. LouisPhuket City
STL Lambert-St Louis - HKT Phuket City
STLHKT
Lambert-St Louis
Thu 9/10
11:01 am-6:40 am
2 stops31h 39m
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
Mon 9/28
6:00 am-6:40 am
2 stops36h 40m
Phuket City
Fri 10/2
9:20 pm-12:27 am
2 stops39h 07m
$1,070
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Thu 10/29
11:32 am-6:40 am
2 stops31h 08m
Bangkok Suvarnabhumi
Mon 11/23
2:00 am-7:25 pm
2 stops30h 25m
$1,131
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Wed 11/4
1:20 pm-12:15 pm
2 stops33h 55m
Bangkok Suvarnabhumi
Thu 11/26
9:05 am-6:22 pm
2 stops46h 17m
$1,134
Quickest round-trip
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Tue 11/3
11:32 am-6:15 am
2 stops29h 43m
Bangkok Suvarnabhumi
Fri 11/20
2:00 am-6:22 pm
2 stops29h 22m
$1,171
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Mon 11/16
7:00 am-6:40 am
2 stops34h 40m
Bangkok Suvarnabhumi
Thu 11/26
9:05 am-10:18 pm
2 stops50h 13m
$1,209
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Mon 9/21
6:25 am-9:45 am
3 stops39h 20m
Bangkok Suvarnabhumi
Mon 9/28
10:50 am-2:21 pm
2 stops39h 31m
$1,246
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Mon 9/14
11:01 am-6:20 am
2 stops31h 19m
Bangkok Suvarnabhumi
Wed 9/16
3:00 am-8:44 pm
2 stops29h 44m
$1,250
Showing 1-10 of 33 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-CNX
STL-HKT
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-CNX
STL-HKT
What is the cheapest month to book a flight from St. Louis to Thailand?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Thailand (average of $1,037). Flying from St. Louis to Thailand in December is currently the most expensive (average of $1,678). 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 12, 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.
Crew
8.7
Boarding
8.4
Entertainment
7.8
Overall
8.3
Food
7.7
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Crew
8.7
Boarding
8.4
Entertainment
7.8
Overall
8.3
Food
7.7
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Crew
8.7
Boarding
8.4
Entertainment
7.8
Overall
8.3
Food
7.7
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Crew
8.7
Boarding
8.4
Entertainment
7.8
Overall
8.3
Food
7.7
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Crew
8.7
Boarding
8.4
Entertainment
7.8
Overall
8.3
Food
7.7
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Crew
8.7
Boarding
8.4
Entertainment
7.8
Overall
8.3
Food
7.7
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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 2,558,603 searches. Data last updated August 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$881 | Average$1,259 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$927 | Average$1,243 | 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$954 | Average$1,242 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$982 | Average$1,240 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,007 | Average$1,391 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,048 | Average$1,456 | FlexibilityNo cancel fee | On-time74% |