$530+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
Aug 16 — Aug 231
Round-trip
1 adult, Economy
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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 July 17, 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 July 17, 2026.
This Etihad Airways deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:06 pm
STL
- BKK
2 stops29h 39m
Multiple Airlines
Wed 10/288:50 pm
BKK
- STL
2 stops36h 18m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,037
This Etihad Airways deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:06 pm
STL
- BKK
2 stops29h 39m
Multiple Airlines
Sun 10/258:50 pm
BKK
- STL
2 stops36h 18m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$1,038
This Etihad Airways deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 11/125:00 am
STL
- BKK
2 stops36h 35m
Multiple Airlines
Sat 11/212:40 pm
BKK
- STL
2 stops35h 37m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$1,043
This Booking.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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.
Sun 11/293:40 pm
STL
- BKK
2 stops41h 30m
Multiple Airlines
Thu 12/1712:15 pm
BKK
- STL
2 stops38h 30m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,053
This Etihad Airways deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 10/75:27 pm
STL
- HKT
2 stops25h 13m
Multiple Airlines
Sat 10/179:20 pm
HKT
- STL
2 stops35h 48m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,067
This Etihad Airways deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 9/2911:01 am
STL
- HKT
2 stops31h 39m
Multiple Airlines
Sat 10/109:20 pm
HKT
- STL
2 stops27h 15m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$1,068
This Ovago deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 12/22:09 pm
STL
- HKT
2 stops56h 51m
Etihad Airways
Mon 12/72:40 am
HKT
- STL
2 stops31h 28m
Etihad Airways
Deal found 7/14![Etihad Airways logo]()
$1,074
This Air Canada deal was found by Cheapflights users on 7/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:10 pm
STL
- BKK
2 stops28h 55m
Air Canada
Fri 9/47:45 am
BKK
- STL
2 stops46h 57m
Air Canada
Deal found 7/12![Air Canada logo]()
$1,091
This Etihad Airways deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 10/95:00 am
STL
- BKK
2 stops30h 55m
Multiple Airlines
Wed 10/213:15 am
BKK
- STL
2 stops29h 53m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,094
This Etihad Airways deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 10/1111:31 am
STL
- BKK
2 stops31h 14m
Multiple Airlines
Wed 10/213:55 pm
BKK
- STL
2 stops32h 40m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$1,095
This Etihad Airways deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/198:34 am
STL
- BKK
2 stops27h 21m
Multiple Airlines
Wed 8/263:55 pm
BKK
- STL
2 stops39h 04m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$1,097
This Etihad Airways deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 11/145:00 am
STL
- HKT
2 stops29h 50m
Multiple Airlines
Thu 11/192:40 am
HKT
- STL
2 stops34h 18m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,127
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 July 17, 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 July 17, 2026.
This Etihad Airways deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 11/1211:31 am
STL
- BKK
2 stops35h 14m
Multiple Airlines
Thu 11/198:50 pm
BKK
- STL
2 stops37h 18m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$1,037
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:48 am
STL
- BKK
2 stops26h 47m
Delta
Thu 8/202:35 am
BKK
- STL
2 stops34h 06m
Delta
Deal found 7/16![Delta logo]()
$1,356
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/206:59 pm
STL
- BKK
3 stops26h 36m
United Airlines
Wed 11/189:10 am
BKK
- STL
2 stops23h 19m
United Airlines
Deal found 7/16![United Airlines logo]()
$1,362
This oojo deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 1/43:24 pm
STL
- CNX
2 stops30h 01m
China Airlines
Thu 1/2111:25 am
CNX
- STL
2 stops40h 01m
China Airlines
Deal found 7/16![China Airlines logo]()
$1,400
This BusinessClass deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/143:32 pm
STL
- HKT
2 stops31h 18m
Cathay Pacific
Fri 8/216:20 pm
HKT
- STL
2 stops31h 44m
Cathay Pacific
Deal found 7/15![Cathay Pacific logo]()
$1,432
This Etihad Airways deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/206:00 am
STL
- BKK
2 stops29h 55m
Multiple Airlines
Wed 11/182:40 pm
BKK
- STL
2 stops40h 14m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$1,037
This Etihad Airways deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 10/711:31 am
STL
- HKT
2 stops31h 09m
Multiple Airlines
Fri 10/169:20 pm
HKT
- STL
2 stops38h 38m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$1,067
This Etihad Airways deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 10/711:31 am
STL
- HKT
2 stops31h 09m
Multiple Airlines
Sat 10/179:20 pm
HKT
- STL
2 stops35h 48m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$1,067
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:59 pm
STL
- BKK
3 stops26h 36m
United Airlines
Thu 9/179:35 am
BKK
- STL
2 stops48h 01m
United Airlines
Deal found 7/16![United Airlines logo]()
$1,362
This Etihad Airways deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/2911:01 am
STL
- HKT
2 stops31h 39m
Multiple Airlines
Fri 10/93:20 am
HKT
- STL
2 stops32h 38m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$1,067
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 am
STL
- HKT
2 stops27h 40m
Delta
Tue 8/1811:25 pm
HKT
- STL
2 stops37h 16m
Delta
Deal found 7/14![Delta logo]()
$1,456
This United Airlines deal was found by Cheapflights users on 7/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:15 pm
STL
- BKK
3 stops32h 15m
United Airlines
Wed 11/119:10 am
BKK
- STL
2 stops38h 31m
United Airlines
Deal found 7/12![United Airlines logo]()
$1,366
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 11/121:39 pm
STL
- BKK
3 stops32h 51m
United Airlines
Thu 11/197:10 am
BKK
- STL
2 stops22h 33m
United Airlines
Deal found 7/16![United Airlines logo]()
$1,367
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 9/112:59 pm
STL
- BKK
3 stops32h 36m
United Airlines
Wed 9/307:00 am
BKK
- STL
2 stops21h 37m
United Airlines
Deal found 7/15![United Airlines logo]()
$1,367
This China Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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.
Sat 8/88:30 am
STL
- BKK
2 stops37h 15m
Multiple Airlines
Wed 8/1910:50 am
BKK
- STL
2 stops23h 45m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,329
This United Airlines deal was found by Cheapflights users on 7/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:04 am
STL
- BKK
2 stops31h 31m
United Airlines
Sat 10/243:45 pm
BKK
- STL
3 stops36h 58m
United Airlines
Deal found 7/12![United Airlines logo]()
$1,376
This China Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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.
Wed 8/125:00 pm
STL
- BKK
2 stops28h 45m
Multiple Airlines
Fri 8/2110:50 am
BKK
- STL
2 stops25h 00m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$1,331
This FlightHub deal was found by Cheapflights users on 7/12. 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.
Mon 1/43:24 pm
STL
- CNX
2 stops30h 01m
Multiple Airlines
Thu 1/2111:25 am
CNX
- STL
2 stops40h 01m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$1,387
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 1/123:24 pm
STL
- CNX
2 stops35h 36m
Multiple Airlines
Thu 1/2810:10 am
CNX
- STL
3 stops26h 49m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$1,422
This FlightHub deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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
STL
- CNX
2 stops30h 11m
Multiple Airlines
Fri 12/411:50 am
CNX
- STL
2 stops39h 36m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$1,455
This FlightHub deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:36 pm
STL
- CNX
2 stops26h 49m
Multiple Airlines
Mon 8/2411:35 am
CNX
- STL
2 stops43h 03m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$1,510
Last-minute flights from St. Louis to ThailandDiscover last-minute flight deals from St. Louis to Thailand. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Thailand. Data last updated July 17, 2026 and is based on user searches.
This Etihad Airways deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 7/259:08 am
STL
- BKK
2 stops39h 02m
Multiple Airlines
Mon 8/243:55 pm
BKK
- STL
2 stops36h 55m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$1,158
This Ovago deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/53:25 pm
STL
- HKT
2 stops62h 55m
Etihad Airways
Wed 8/269:25 am
HKT
- STL
2 stops45h 34m
Etihad Airways
Deal found 7/16![Etihad Airways logo]()
$1,132
This China Airlines deal was found by Cheapflights users on 7/12. 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.
Sat 8/82:15 pm
STL
- BKK
2 stops38h 05m
Multiple Airlines
Tue 8/182:40 am
BKK
- STL
2 stops31h 55m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$1,297
This BusinessClass deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/143:32 pm
STL
- HKT
2 stops31h 18m
Cathay Pacific
Fri 8/216:20 pm
HKT
- STL
2 stops31h 44m
Cathay Pacific
Deal found 7/15![Cathay Pacific logo]()
$1,432
This oojo deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:34 am
STL
- BKK
2 stops27h 21m
Etihad Airways
Tue 8/253:55 pm
BKK
- STL
2 stops36h 30m
Etihad Airways
Deal found 7/16![Etihad Airways logo]()
$1,215
This Air Canada deal was found by Cheapflights users on 7/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:10 pm
STL
- BKK
2 stops28h 55m
Air Canada
Fri 9/47:45 am
BKK
- STL
2 stops46h 57m
Air Canada
Deal found 7/12![Air Canada logo]()
$1,091
This Etihad Airways deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/198:34 am
STL
- BKK
2 stops27h 21m
Multiple Airlines
Wed 8/263:55 pm
BKK
- STL
2 stops39h 04m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$1,097
This Etihad Airways deal was found by Cheapflights users on 7/12. 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.
Thu 8/208:34 am
STL
- BKK
2 stops27h 21m
Multiple Airlines
Wed 11/188:50 pm
BKK
- STL
2 stops37h 18m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$1,037
This Etihad Airways deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/2410:22 am
STL
- BKK
2 stops25h 33m
Multiple Airlines
Sat 8/293:55 pm
BKK
- STL
2 stops32h 59m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,277
This Expedia deal was found by Cheapflights users on 7/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:35 am
STL
- BKK
2 stops41h 35m
Multiple Airlines
Thu 9/37:10 pm
BKK
- STL
2 stops36h 17m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$1,216
This BusinessClass deal was found by Cheapflights users on 7/12. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:35 am
STL
- BKK
2 stops28h 25m
Multiple Airlines
Wed 9/27:55 am
BKK
- STL
2 stops42h 09m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$1,230
This Gurufare deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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.
Thu 8/2710:16 am
STL
- HKT
2 stops36h 34m
Cathay Pacific
Thu 9/311:50 am
HKT
- STL
2 stops43h 37m
Cathay Pacific
Deal found 7/13![Cathay Pacific logo]()
$1,398
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 July 17, 2026.
Search for one-way flight options from St. Louis to Thailand. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
This Expedia deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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.
Sun 9/133:19 pm
STL
- BKK
2 stops29h 36m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$530
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/1812:46 pm
STL
- BKK
3 stops46h 49m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$598
This oojo deal was found by Cheapflights users on 7/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:02 am
STL
- BKK
2 stops29h 33m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$604
This oojo deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 7/226:55 am
STL
- BKK
2 stops41h 15m
Etihad Airways
Deal found 7/16![Etihad Airways logo]()
$633
This Air Canada deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 7/2212:10 pm
STL
- BKK
2 stops28h 55m
Air Canada
Deal found 7/15![Air Canada logo]()
$685
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 7/221:13 pm
STL
- BKK
3 stops32h 22m
United Airlines
Deal found 7/13![United Airlines logo]()
$764
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 July 17, 2026.
Round-trip from | $1,037 (Etihad Airways) |
|---|---|
One-way from | $530 (Expedia) |
Popular in | December |
Cheapest in | August |
Average price | $1,391 |
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 July 17, 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 - BKK
STLBKK
Lambert-St Louis
Thu 11/12
11:31 am-11:45 am
2 stops35h 14m
Bangkok Suvarnabhumi
Thu 11/19
8:50 pm-9:08 pm
2 stops37h 18m
$1,037
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Thu 8/20
6:00 am-11:55 pm
2 stops29h 55m
Bangkok Suvarnabhumi
Wed 11/18
2:40 pm-5:54 pm
2 stops40h 14m
$1,037
St. LouisPhuket City
STL - HKT
STLHKT
Lambert-St Louis
Wed 10/7
11:31 am-6:40 am
2 stops31h 09m
Phuket City
Fri 10/16
9:20 pm-11:58 pm
2 stops38h 38m
$1,067
St. LouisPhuket City
STL - HKT
STLHKT
Lambert-St Louis
Wed 10/7
11:31 am-6:40 am
2 stops31h 09m
Phuket City
Sat 10/17
9:20 pm-9:08 pm
2 stops35h 48m
$1,067
St. LouisPhuket City
STL - HKT
STLHKT
Lambert-St Louis
Tue 9/29
11:01 am-6:40 am
2 stops31h 39m
Phuket City
Fri 10/9
3:20 am-11:58 pm
2 stops32h 38m
$1,067
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Sat 8/8
8:30 am-9:45 am
2 stops37h 15m
Bangkok Suvarnabhumi
Wed 8/19
10:50 am-10:35 pm
2 stops23h 45m
$1,329
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Wed 8/12
5:00 pm-9:45 am
2 stops28h 45m
Bangkok Suvarnabhumi
Fri 8/21
10:50 am-11:50 pm
2 stops25h 00m
$1,331
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Wed 8/12
8:48 am-11:35 pm
2 stops26h 47m
Bangkok Suvarnabhumi
Thu 8/20
2:35 am-12:41 am
2 stops34h 06m
$1,356
Quickest round-trip
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Thu 8/20
6:59 pm-9:35 am
3 stops26h 36m
Bangkok Suvarnabhumi
Wed 11/18
9:10 am-7:29 pm
2 stops23h 19m
$1,362
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Thu 9/3
6:59 pm-9:35 am
3 stops26h 36m
Bangkok Suvarnabhumi
Thu 9/17
9:35 am-9:36 pm
2 stops48h 01m
$1,362
Showing 1-10 of 27 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 $167). Flying from St. Louis to Thailand in June is currently the most expensive (average of $1,210). 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 July 17, 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
Entertainment
7.8
Overall
8.3
Boarding
8.4
Comfort
8.2
Food
7.7
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Crew
8.7
Entertainment
7.8
Overall
8.3
Boarding
8.4
Comfort
8.2
Food
7.7
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Crew
8.7
Entertainment
7.8
Overall
8.3
Boarding
8.4
Comfort
8.2
Food
7.7
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Crew
8.7
Entertainment
7.8
Overall
8.3
Boarding
8.4
Comfort
8.2
Food
7.7
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Crew
8.7
Entertainment
7.8
Overall
8.3
Boarding
8.4
Comfort
8.2
Food
7.7
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Crew
8.7
Entertainment
7.8
Overall
8.3
Boarding
8.4
Comfort
8.2
Food
7.7
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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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 July 17, 2026.
Popular flight searches
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St. Louis to 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 July 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$881 | Average$1,220 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$927 | Average$1,235 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$929 | Average$1,106 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$946 | Average$1,204 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$954 | Average$1,274 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$982 | Average$1,231 | 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% |