$520+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
Nov 9 — Nov 161
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 October 10, 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 October 10, 2026.
This Trip.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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.
Sun 12/61:18 pm -
2 stops29h 52m
Sun 12/2012:15 pm -
2 stops40h 53m
Deal found 10/6![Multiple Airlines logo]()
$905
This Trip.com deal was found by Cheapflights users on 10/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/291:08 pm -
2 stops30h 02m
Tue 12/1512:15 pm -
2 stops41h 09m
Deal found 10/8![Multiple Airlines logo]()
$984
This SmartFares deal was found by Cheapflights users on 10/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 am -
2 stops37h 55m
Tue 11/1711:40 pm -
2 stops51h 45m
Deal found 10/9![Multiple Airlines logo]()
$1,021
This Expedia deal was found by Cheapflights users on 10/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 am -
2 stops51h 45m
Thu 11/261:10 pm -
2 stops38h 12m
Deal found 10/7![Multiple Airlines logo]()
$1,040
This SmartFares deal was found by Cheapflights users on 10/7. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:23 pm -
2 stops28h 32m
Thu 11/269:55 am -
2 stops51h 04m
Deal found 10/7![Multiple Airlines logo]()
$1,054
This Etihad Airways deal was found by Cheapflights users on 10/8. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:00 am -
2 stops31h 55m
Wed 10/213:15 am -
2 stops33h 04m
Deal found 10/8![Multiple Airlines logo]()
$1,057
This BusinessClass deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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.
Mon 11/26:20 pm -
2 stops40h 30m
Mon 11/169:00 pm -
2 stops28h 50m
Deal found 10/6![Etihad Airways logo]()
$1,107
This Etihad Airways deal was found by Cheapflights users on 10/9. 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.
Sat 10/1010:00 am -
2 stops39h 40m
Tue 10/209:00 pm -
2 stops35h 57m
Deal found 10/9![Multiple Airlines logo]()
$1,114
This oojo deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:00 am -
2 stops33h 05m
Wed 12/99:50 am -
2 stops43h 57m
Deal found 10/5![Japan Airlines logo]()
$1,119
This Ovago deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:00 am -
2 stops29h 50m
Tue 12/159:10 am -
2 stops61h 18m
Deal found 10/5![Etihad Airways logo]()
$1,122
This BusinessClass deal was found by Cheapflights users on 10/7. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:20 pm -
2 stops52h 40m
Fri 11/139:10 am -
2 stops41h 08m
Deal found 10/7![Etihad Airways logo]()
$1,124
This oojo deal was found by Cheapflights users on 10/7. 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.
Wed 10/2812:47 pm -
2 stops36h 18m
Tue 11/103:00 am -
2 stops29h 22m
Deal found 10/7![Qatar Airways 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 October 10, 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 October 10, 2026.
This Ovago deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:00 am -
2 stops29h 50m
Tue 12/159:10 am -
2 stops61h 18m
Deal found 10/5![Etihad Airways logo]()
$1,122
This Delta deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
2 stops28h 05m
Tue 1/261:05 am -
2 stops32h 44m
Deal found 10/5![Delta logo]()
$1,161
This Cathay Pacific deal was found by Cheapflights users on 10/8. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:01 am -
2 stops39h 34m
Tue 1/197:30 am -
2 stops29h 06m
Deal found 10/8![Multiple Airlines logo]()
$1,185
This United Airlines deal was found by Cheapflights users on 10/8. 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 1/123:07 pm -
3 stops31h 23m
Tue 1/197:10 am -
2 stops24h 07m
Deal found 10/8![United Airlines logo]()
$1,210
This Korean Air deal was found by Cheapflights users on 10/7. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/16:00 am -
2 stops27h 45m
Sun 2/1412:20 am -
2 stops27h 23m
Deal found 10/7![Korean Air logo]()
$1,216
This Qatar Airways deal was found by Cheapflights users on 10/9. 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.
Mon 1/251:05 pm -
3 stops33h 15m
Thu 2/47:45 pm -
3 stops37h 47m
Deal found 10/9![Qatar Airways logo]()
$1,550
This BusinessClass deal was found by Cheapflights users on 10/7. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:20 pm -
2 stops52h 40m
Fri 11/139:10 am -
2 stops41h 08m
Deal found 10/7![Etihad Airways logo]()
$1,124
This Delta deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:59 pm -
2 stops40h 21m
Mon 1/181:05 am -
2 stops35h 34m
Deal found 10/5![Delta logo]()
$1,173
This Cathay Pacific deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:01 am -
2 stops41h 19m
Wed 11/186:50 pm -
2 stops34h 54m
Deal found 10/6![Multiple Airlines logo]()
$1,190
This United Airlines deal was found by Cheapflights users on 10/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1010:45 am -
3 stops35h 45m
Mon 2/227:10 am -
2 stops29h 09m
Deal found 10/9![United Airlines logo]()
$1,210
This Ovago deal was found by Cheapflights users on 10/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:20 pm -
2 stops40h 30m
Mon 11/163:30 pm -
2 stops54h 46m
Deal found 10/9![Etihad Airways logo]()
$1,129
This Korean Air deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/123:40 pm -
2 stops42h 05m
Fri 2/1912:20 am -
2 stops30h 41m
Deal found 10/5![Korean Air logo]()
$1,261
This Delta deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:36 pm -
2 stops45h 29m
Sat 1/231:05 am -
2 stops33h 36m
Deal found 10/5![Delta logo]()
$1,205
This United Airlines deal was found by Cheapflights users on 10/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:39 pm -
3 stops29h 51m
Wed 11/184:55 pm -
3 stops32h 15m
Deal found 10/9![United Airlines logo]()
$1,218
This Etihad Airways deal was found by Cheapflights users on 10/9. 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.
Mon 1/2511:00 am -
2 stops41h 55m
Thu 2/48:55 pm -
2 stops38h 11m
Deal found 10/9![Multiple Airlines logo]()
$1,251
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Mon 1/1110:45 am -
3 stops35h 45m
Tue 1/194:55 pm -
3 stops30h 13m
Deal found 10/7![United Airlines logo]()
$1,218
This Etihad Airways deal was found by Cheapflights users on 10/7. 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 3/125:57 am -
2 stops35h 38m
Mon 3/222:40 pm -
2 stops40h 40m
Deal found 10/7![Multiple Airlines logo]()
$1,257
This Qatar Airways deal was found by Cheapflights users on 10/9. 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.
Mon 1/119:58 am -
3 stops36h 22m
Tue 2/27:45 pm -
3 stops37h 48m
Deal found 10/9![Qatar Airways logo]()
$1,565
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 2/59:05 am -
3 stops37h 25m
Mon 2/154:55 pm -
3 stops32h 48m
Deal found 10/6![United Airlines logo]()
$1,268
This Qatar Airways deal was found by Cheapflights users on 10/8. 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 1/1212:55 pm -
3 stops35h 50m
Thu 1/287:45 pm -
3 stops37h 47m
Deal found 10/8![Qatar Airways logo]()
$1,667
This United Airlines deal was found by Cheapflights users on 10/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:34 pm -
3 stops29h 56m
Mon 11/164:55 pm -
3 stops30h 37m
Deal found 10/9![United Airlines logo]()
$1,268
This FlightHub deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 12/16:04 am -
2 stops39h 31m
Fri 12/411:50 am -
2 stops41h 50m
Deal found 10/6![Multiple Airlines logo]()
$1,465
This Qatar Airways deal was found by Cheapflights users on 10/8. 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 1/206:00 am -
3 stops38h 25m
Wed 1/277:45 pm -
3 stops36h 42m
Deal found 10/8![Qatar Airways logo]()
$1,667
This KAYAK deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/123:54 pm -
2 stops29h 41m
Thu 1/287:45 pm -
3 stops56h 11m
Deal found 10/5![Multiple Airlines logo]()
$1,487
This Mytrip deal was found by Cheapflights users on 10/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:28 pm -
3 stops32h 52m
Fri 11/138:20 pm -
3 stops35h 54m
Deal found 10/7![Multiple Airlines logo]()
$1,515
This KAYAK deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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.
Fri 2/123:04 pm -
2 stops30h 31m
Sat 2/202:05 pm -
3 stops37h 01m
Deal found 10/6![Multiple Airlines logo]()
$1,560
This Mytrip deal was found by Cheapflights users on 10/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:20 pm -
3 stops33h 00m
Mon 11/3010:00 pm -
3 stops31h 40m
Deal found 10/9![Multiple Airlines logo]()
$1,928
This Mytrip deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:40 pm -
3 stops27h 25m
Fri 11/2711:00 am -
3 stops42h 20m
Deal found 10/6![Multiple Airlines logo]()
$2,137
This Asiana Airlines deal was found by Cheapflights users on 10/9. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:00 am -
2 stops48h 50m
Mon 11/1611:25 pm -
3 stops31h 40m
Deal found 10/9![Multiple Airlines logo]()
$2,197
This Booking.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:05 pm -
2 stops30h 15m
Tue 12/1510:00 pm -
3 stops31h 40m
Deal found 10/5![Multiple Airlines logo]()
$2,447
Last-minute flights from St. Louis to ThailandDiscover last-minute flight deals from St. Louis to Thailand. Data last updated October 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Thailand. Data last updated October 10, 2026 and is based on user searches.
This Etihad Airways deal was found by Cheapflights users on 10/9. 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.
Sat 10/1010:00 am -
2 stops39h 40m
Tue 10/209:00 pm -
2 stops35h 57m
Deal found 10/9![Multiple Airlines logo]()
$1,114
This Etihad Airways deal was found by Cheapflights users on 10/9. 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 10/135:00 am -
2 stops31h 55m
Wed 10/213:15 am -
2 stops33h 04m
Deal found 10/9![Multiple Airlines logo]()
$1,057
This BusinessClass deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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.
Mon 10/196:04 am -
2 stops40h 46m
Sun 10/256:50 pm -
2 stops40h 56m
Deal found 10/6![Cathay Pacific logo]()
$1,158
This oojo deal was found by Cheapflights users on 10/7. 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.
Wed 10/2812:47 pm -
2 stops36h 18m
Tue 11/103:00 am -
2 stops29h 22m
Deal found 10/7![Qatar Airways logo]()
$1,128
This Justfly.com deal was found by Cheapflights users on 10/9. 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.
Wed 10/2811:32 am -
2 stops35h 03m
Wed 11/1111:45 am -
2 stops21h 34m
Deal found 10/9![Cathay Pacific logo]()
$1,133
This SmartFares deal was found by Cheapflights users on 10/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 am -
2 stops37h 55m
Tue 11/1711:40 pm -
2 stops51h 45m
Deal found 10/9![Multiple Airlines logo]()
$1,021
This BusinessClass deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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.
Mon 11/26:20 pm -
2 stops40h 30m
Mon 11/169:00 pm -
2 stops28h 50m
Deal found 10/6![Etihad Airways logo]()
$1,107
This BusinessClass deal was found by Cheapflights users on 10/7. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:20 pm -
2 stops52h 40m
Fri 11/139:10 am -
2 stops41h 08m
Deal found 10/7![Etihad Airways logo]()
$1,124
This Expedia deal was found by Cheapflights users on 10/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 am -
2 stops51h 45m
Thu 11/261:10 pm -
2 stops38h 12m
Deal found 10/7![Multiple Airlines logo]()
$1,040
This SmartFares deal was found by Cheapflights users on 10/7. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:23 pm -
2 stops28h 32m
Thu 11/269:55 am -
2 stops51h 04m
Deal found 10/7![Multiple Airlines logo]()
$1,054
This Ovago deal was found by Cheapflights users on 10/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:55 pm -
2 stops27h 25m
Mon 11/3012:20 pm -
2 stops41h 24m
Deal found 10/9![Cathay Pacific logo]()
$1,155
This Trip.com deal was found by Cheapflights users on 10/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/291:08 pm -
2 stops30h 02m
Tue 12/1512:15 pm -
2 stops41h 09m
Deal found 10/8![Multiple Airlines logo]()
$984
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 October 10, 2026.
Search for one-way flight options from St. Louis to Thailand. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
This SmartFares deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/233:20 pm -
2 stops28h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$520
This Expedia deal was found by Cheapflights users on 10/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/13:24 pm -
2 stops32h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$523
This SmartFares deal was found by Cheapflights users on 10/7. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
2 stops37h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$533
This Philippine Airlines deal was found by Cheapflights users on 10/7. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/43:54 pm -
2 stops31h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$539
This FlightHub deal was found by Cheapflights users on 10/8. 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.
Tue 4/62:33 pm -
2 stops27h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Qatar Airways logo]()
$558
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Fri 12/257:49 pm -
3 stops49h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$569
This FlightHub deal was found by Cheapflights users on 10/8. 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 2/67:27 am -
2 stops33h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Qatar Airways logo]()
$598
This Cathay Pacific deal was found by Cheapflights users on 10/9. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:31 am -
2 stops38h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$640
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Thu 2/410:45 am -
3 stops35h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![United Airlines logo]()
$657
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 October 10, 2026.
Round-trip from | $905 (Trip.com) |
|---|---|
One-way from | $520 (SmartFares) |
Popular in | December |
Cheapest in | August |
Average price | $1,288 |
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 October 10, 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
Thu 4/1
3:24 pm-12:05 pm
2 stops32h 41m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$523
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Sat 2/6
7:27 am-6:15 am
2 stops33h 48m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$598
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Fri 10/30
11:31 am-2:05 pm
2 stops38h 34m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$640
Quickest round-trip
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Tue 4/6
1:30 pm-9:35 am
3 stops32h 05m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$657
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Thu 4/1
6:40 am-9:35 am
3 stops38h 55m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$657
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Mon 3/15
1:08 pm-11:30 am
3 stops34h 22m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$657
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Fri 10/30
1:08 pm-11:30 am
3 stops34h 22m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$681
St. LouisPhuket City
STL Lambert-St Louis - HKT Phuket City
STLHKT
Lambert-St Louis
Tue 12/1
5:00 am-11:50 pm
2 stops29h 50m
Phuket City
Tue 12/15
9:10 am-9:28 am
2 stops61h 18m
$1,122
St. LouisPhuket City
STL Lambert-St Louis - HKT Phuket City
STLHKT
Lambert-St Louis
Fri 11/6
6:20 pm-12:00 pm
2 stops52h 40m
Phuket City
Fri 11/13
9:10 am-1:18 pm
2 stops41h 08m
$1,124
St. LouisPhuket City
STL Lambert-St Louis - HKT Phuket City
STLHKT
Lambert-St Louis
Mon 11/2
6:20 pm-11:50 pm
2 stops40h 30m
Phuket City
Mon 11/16
3:30 pm-9:16 am
2 stops54h 46m
$1,129
Showing 1-10 of 37 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 $1,043). Flying from St. Louis to Thailand in December is currently the most expensive (average of $1,917). 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 October 10, 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.
Entertainment
7.8
Boarding
8.4
Comfort
8.2
Crew
8.7
Overall
8.3
Food
7.7
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Entertainment
7.8
Boarding
8.4
Comfort
8.2
Crew
8.7
Overall
8.3
Food
7.7
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Entertainment
7.8
Boarding
8.4
Comfort
8.2
Crew
8.7
Overall
8.3
Food
7.7
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Entertainment
7.8
Boarding
8.4
Comfort
8.2
Crew
8.7
Overall
8.3
Food
7.7
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Entertainment
7.8
Boarding
8.4
Comfort
8.2
Crew
8.7
Overall
8.3
Food
7.7
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Entertainment
7.8
Boarding
8.4
Comfort
8.2
Crew
8.7
Overall
8.3
Food
7.7
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
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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Alternative routes for St. Louis to Thailand
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Complete your trip
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St. Louis and Thailand flights
Browse other St. Louis and Thailand flight options. Last updated on October 10, 2026.
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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 October 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$881 | Average$1,260 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$927 | Average$1,285 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$929 | Average$1,045 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$946 | Average$1,244 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$948 | Average$1,196 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$982 | Average$1,298 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,048 | Average$1,456 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,207 | Average$1,551 | FlexibilityNo cancel fee | On-time80% |