$510+ Cheap flights from St. Louis (STL) 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
Oct 12 — Oct 191
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 September 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 September 12, 2026.
This Globehunters deal was found by Cheapflights users on 9/10. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:02 am -
2 stops41h 33m
Sun 11/155:40 pm -
2 stops43h 19m
Deal found 9/10![Multiple Airlines logo]()
$1,028
This Globehunters deal was found by Cheapflights users on 9/10. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:02 am -
2 stops41h 58m
Tue 11/101:45 pm -
2 stops37h 40m
Deal found 9/10![Multiple Airlines logo]()
$1,035
This Etihad Airways deal was found by Cheapflights users on 9/10. 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.
Tue 9/227:27 am -
2 stops28h 28m
Wed 10/73:55 pm -
2 stops41h 02m
Deal found 9/10![Multiple Airlines logo]()
$1,038
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:01 am -
2 stops31h 19m
Tue 10/62:30 am -
2 stops30h 27m
Deal found 9/9![Qatar Airways logo]()
$1,054
This Etihad Airways deal was found by Cheapflights users on 9/10. 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 10/85:00 am -
2 stops30h 50m
Mon 10/193:20 am -
2 stops32h 59m
Deal found 9/10![Multiple Airlines logo]()
$1,068
This Etihad Airways deal was found by Cheapflights users on 9/10. 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.
Sat 10/107:29 am -
2 stops40h 41m
Tue 10/203:55 pm -
2 stops35h 56m
Deal found 9/10![Multiple Airlines logo]()
$1,095
This Ovago deal was found by Cheapflights users on 9/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:27 am -
2 stops26h 23m
Mon 11/99:05 am -
2 stops41h 13m
Deal found 9/12![Etihad Airways logo]()
$1,096
This Justfly.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:36 pm -
2 stops33h 04m
Thu 9/171:10 pm -
2 stops41h 28m
Deal found 9/9![Multiple Airlines logo]()
$1,107
This oojo deal was found by Cheapflights users on 9/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:14 am -
2 stops40h 11m
Tue 12/89:50 am -
2 stops43h 53m
Deal found 9/8![Japan Airlines logo]()
$1,110
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:02 am -
2 stops41h 33m
Wed 11/115:40 pm -
2 stops43h 19m
Deal found 9/9![STARLUX Airlines logo]()
$1,111
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:31 am -
2 stops30h 14m
Wed 10/217:55 am -
2 stops28h 04m
Deal found 9/9![Japan Airlines logo]()
$1,112
This oojo deal was found by Cheapflights users on 9/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:42 pm -
2 stops31h 53m
Tue 11/31:45 pm -
2 stops37h 40m
Deal found 9/7![STARLUX Airlines logo]()
$1,113
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 September 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 September 12, 2026.
This Etihad Airways deal was found by Cheapflights users on 9/11. 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.
Tue 9/227:27 am -
2 stops28h 28m
Wed 10/73:55 pm -
2 stops41h 02m
Deal found 9/11![Multiple Airlines logo]()
$1,038
This Korean Air deal was found by Cheapflights users on 9/11. 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.
Tue 12/17:03 am -
2 stops27h 02m
Sun 12/2011:15 pm -
2 stops25h 37m
Deal found 9/11![Korean Air logo]()
$1,156
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/109:22 am -
3 stops37h 08m
Mon 2/227:10 am -
2 stops27h 45m
Deal found 9/10![United Airlines logo]()
$1,161
This KAYAK deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:27 pm -
2 stops53h 23m
Sat 10/1711:50 am -
2 stops47h 56m
Deal found 9/8![Cathay Pacific logo]()
$1,257
This FlightHub deal was found by Cheapflights users on 9/11. 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 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 9/11![Qatar Airways logo]()
$1,298
This Etihad Airways deal was found by Cheapflights users on 9/10. 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 10/85:00 am -
2 stops30h 50m
Mon 10/193:20 am -
2 stops32h 59m
Deal found 9/10![Multiple Airlines logo]()
$1,068
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:59 pm -
3 stops32h 36m
Wed 10/77:00 am -
2 stops25h 16m
Deal found 9/10![United Airlines logo]()
$1,161
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:08 pm -
3 stops33h 22m
Thu 11/127:10 am -
2 stops23h 55m
Deal found 9/8![United Airlines logo]()
$1,161
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub 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 9/11![Qatar Airways logo]()
$1,298
This Korean Air deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:05 am -
2 stops51h 05m
Tue 9/2911:25 pm -
2 stops28h 29m
Deal found 9/9![Korean Air logo]()
$1,305
This Etihad Airways deal was found by Cheapflights users on 9/9. 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.
Tue 1/129:52 am -
2 stops31h 13m
Thu 1/289:10 am -
2 stops41h 03m
Deal found 9/9![Multiple Airlines logo]()
$1,207
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:04 am -
2 stops31h 31m
Tue 10/133:45 pm -
3 stops31h 37m
Deal found 9/8![United Airlines logo]()
$1,169
This BusinessClass deal was found by Cheapflights users on 9/11. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:00 am -
2 stops41h 50m
Sat 10/1710:20 am -
3 stops46h 37m
Deal found 9/11![Cathay Pacific logo]()
$1,529
This China Airlines deal was found by Cheapflights users on 9/12. 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 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 9/12![Multiple Airlines logo]()
$1,275
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:08 pm -
3 stops33h 22m
Wed 12/24:55 pm -
3 stops32h 48m
Deal found 9/10![United Airlines logo]()
$1,169
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:39 pm -
3 stops30h 51m
Sun 11/154:55 pm -
2 stops38h 10m
Deal found 9/7![United Airlines logo]()
$1,177
This Qatar Airways deal was found by Cheapflights users on 9/12. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:00 am -
3 stops40h 20m
Thu 1/287:45 pm -
3 stops36h 44m
Deal found 9/12![Qatar Airways logo]()
$1,647
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:35 am -
3 stops34h 00m
Tue 11/109:10 am -
2 stops38h 22m
Deal found 9/7![United Airlines logo]()
$1,209
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/271:29 pm -
3 stops32h 06m
Wed 9/303:45 pm -
3 stops30h 25m
Deal found 9/10![United Airlines logo]()
$1,219
This KAYAK deal was found by Cheapflights users on 9/11. 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.
Tue 12/13:24 pm -
2 stops30h 01m
Fri 12/47:45 pm -
3 stops55h 41m
Deal found 9/11![Multiple Airlines logo]()
$1,679
Last-minute flights from St. Louis to ThailandDiscover last-minute flight deals from St. Louis to Thailand. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Thailand. Data last updated September 12, 2026 and is based on user searches.
This Etihad Airways deal was found by Cheapflights users on 9/10. 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.
Tue 9/227:27 am -
2 stops28h 28m
Wed 10/73:55 pm -
2 stops41h 02m
Deal found 9/10![Multiple Airlines logo]()
$1,038
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:01 am -
2 stops31h 19m
Tue 10/62:30 am -
2 stops30h 27m
Deal found 9/9![Qatar Airways logo]()
$1,054
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:31 am -
2 stops30h 14m
Wed 10/217:55 am -
2 stops28h 04m
Deal found 9/9![Japan Airlines logo]()
$1,112
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:31 am -
2 stops39h 39m
Wed 10/147:55 am -
2 stops27h 51m
Deal found 9/9![Japan Airlines logo]()
$1,114
This Etihad Airways deal was found by Cheapflights users on 9/10. 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 10/85:00 am -
2 stops30h 50m
Mon 10/193:20 am -
2 stops32h 59m
Deal found 9/10![Multiple Airlines logo]()
$1,068
This Globehunters deal was found by Cheapflights users on 9/10. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:02 am -
2 stops41h 58m
Tue 11/101:45 pm -
2 stops37h 40m
Deal found 9/10![Multiple Airlines logo]()
$1,035
This Etihad Airways deal was found by Cheapflights users on 9/10. 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.
Sat 10/107:29 am -
2 stops40h 41m
Tue 10/203:55 pm -
2 stops35h 56m
Deal found 9/10![Multiple Airlines logo]()
$1,095
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:29 am -
2 stops27h 31m
Thu 10/227:55 am -
2 stops28h 04m
Deal found 9/9![Japan Airlines logo]()
$1,115
This oojo deal was found by Cheapflights users on 9/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:42 pm -
2 stops31h 53m
Tue 11/31:45 pm -
2 stops37h 40m
Deal found 9/7![STARLUX Airlines logo]()
$1,113
This Globehunters deal was found by Cheapflights users on 9/10. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:02 am -
2 stops41h 33m
Sun 11/155:40 pm -
2 stops43h 19m
Deal found 9/10![Multiple Airlines logo]()
$1,028
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:02 am -
2 stops41h 33m
Wed 11/115:40 pm -
2 stops43h 19m
Deal found 9/9![STARLUX Airlines logo]()
$1,111
This Ovago deal was found by Cheapflights users on 9/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:27 am -
2 stops26h 23m
Mon 11/99:05 am -
2 stops41h 13m
Deal found 9/12![Etihad Airways logo]()
$1,096
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 September 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 September 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:29 pm -
2 stops45h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$510
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:29 am -
2 stops29h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$516
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
2 stops40h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$526
This Flightnetwork deal was found by Cheapflights users on 9/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:19 pm -
2 stops29h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$536
This FlightHub deal was found by Cheapflights users on 9/10. 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 2/41:40 pm -
2 stops33h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Qatar Airways logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/63:54 pm -
2 stops57h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$553
This SmartFares deal was found by Cheapflights users on 9/11. 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.
Sun 11/17:00 am -
2 stops26h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$555
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/146:35 pm -
2 stops53h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$558
This Etihad Airways deal was found by Cheapflights users on 9/11. 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/53:54 pm -
2 stops57h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$571
This Etihad Airways deal was found by Cheapflights users on 9/7. 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.
Fri 2/199:13 am -
2 stops25h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:00 pm -
3 stops50h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$782
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 September 12, 2026.
Round-trip from | $1,028 (Globehunters) |
|---|---|
One-way from | $510 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $1,365 |
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 September 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 11/1
7:00 am-10:50 pm
2 stops26h 50m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$555
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Mon 10/12
9:27 am-11:55 pm
2 stops26h 28m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$565
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Sun 10/11
5:00 am-11:55 pm
2 stops30h 55m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$565
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Sat 2/6
7:25 am-6:15 am
2 stops33h 50m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$589
Quickest round-trip
St. LouisPhuket City
STL Lambert-St Louis - HKT Phuket City
STLHKT
Lambert-St Louis
Fri 2/19
9:13 am-11:50 pm
2 stops25h 37m
Phuket City
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$610
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Sat 10/10
7:29 am-12:10 pm
2 stops40h 41m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$614
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Tue 1/5
1:09 pm-11:30 am
3 stops33h 21m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$632
St. LouisChiang Mai
STL Lambert-St Louis - CNX Chiang Mai
STLCNX
Lambert-St Louis
Fri 10/16
8:00 pm-10:20 am
3 stops50h 20m
Chiang Mai
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$782
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Tue 9/22
7:27 am-11:55 pm
2 stops28h 28m
Bangkok Suvarnabhumi
Wed 10/7
3:55 pm-8:57 pm
2 stops41h 02m
$1,038
St. LouisPhuket City
STL Lambert-St Louis - HKT Phuket City
STLHKT
Lambert-St Louis
Thu 10/8
5:00 am-11:50 pm
2 stops30h 50m
Phuket City
Mon 10/19
3:20 am-12:19 am
2 stops32h 59m
$1,068
Showing 1-10 of 29 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, February is the cheapest month in which you can book a flight from St. Louis to Thailand (average of $1,034). Flying from St. Louis to Thailand in December is currently the most expensive (average of $1,750). 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 6 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 September 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.
Boarding
8.4
Overall
8.3
Crew
8.7
Food
7.7
Comfort
8.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Boarding
8.4
Overall
8.3
Crew
8.7
Food
7.7
Comfort
8.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Boarding
8.4
Overall
8.3
Crew
8.7
Food
7.7
Comfort
8.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Boarding
8.4
Overall
8.3
Crew
8.7
Food
7.7
Comfort
8.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Boarding
8.4
Overall
8.3
Crew
8.7
Food
7.7
Comfort
8.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Boarding
8.4
Overall
8.3
Crew
8.7
Food
7.7
Comfort
8.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
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 September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$881 | Average$1,260 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$927 | Average$1,278 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$929 | Average$1,017 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$946 | Average$1,226 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$948 | Average$1,196 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$982 | Average$1,282 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,007 | Average$1,411 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,048 | Average$1,456 | FlexibilityNo cancel fee | On-time74% |