$603+ Cheap flights from Thailand to St. Louis (STL)
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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Best
Last-minute
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Cheapest flights from Thailand to St. LouisExplore the most affordable flight options available from Thailand to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Thailand to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Cathay Pacific deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/411:00 am
BKK
- STL
2 stops34h 24m
Multiple Airlines
Fri 9/116:00 pm
STL
- BKK
2 stops29h 05m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,006
This KAYAK deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Sun 10/411:00 am
BKK
- STL
2 stops22h 57m
Cathay Pacific
Mon 10/191:06 pm
STL
- BKK
2 stops23h 04m
Cathay Pacific
Deal found 7/20![Cathay Pacific logo]()
$1,030
This Cathay Pacific deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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.
Sat 9/511:00 am
BKK
- STL
2 stops39h 45m
Multiple Airlines
Sat 9/1911:01 am
STL
- BKK
2 stops36h 29m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,040
This FlightHub deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/57:10 pm
BKK
- STL
2 stops38h 49m
Cathay Pacific
Tue 10/201:06 pm
STL
- BKK
2 stops23h 04m
Cathay Pacific
Deal found 7/20![Cathay Pacific logo]()
$1,045
This Cathay Pacific deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Sat 10/311:00 am
BKK
- STL
2 stops24h 43m
Cathay Pacific
Tue 10/207:10 pm
STL
- BKK
2 stops26h 50m
Cathay Pacific
Deal found 7/20![Cathay Pacific logo]()
$1,073
This China Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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.
Thu 10/295:50 pm
BKK
- STL
3 stops40h 55m
Multiple Airlines
Fri 11/137:20 pm
STL
- BKK
2 stops25h 30m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,108
This Cathay Pacific deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Sat 10/311:00 am
BKK
- STL
2 stops24h 43m
Cathay Pacific
Sun 10/187:10 pm
STL
- BKK
2 stops26h 50m
Cathay Pacific
Deal found 7/20![Cathay Pacific logo]()
$1,132
This Ovago deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/57:05 am
BKK
- STL
1 stop27h 25m
Asiana Airlines
Mon 10/198:55 am
STL
- BKK
2 stops26h 40m
Asiana Airlines
Deal found 7/20![Asiana Airlines logo]()
$1,137
This China Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/35:30 pm
BKK
- STL
3 stops30h 45m
Multiple Airlines
Sat 10/174:42 pm
STL
- BKK
2 stops31h 28m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,180
This Expedia deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Fri 9/411:25 pm
HKT
- STL
2 stops50h 39m
Multiple Airlines
Fri 9/116:29 am
STL
- HKT
2 stops51h 06m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,243
This Cathay Pacific deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Sat 10/311:50 am
HKT
- STL
2 stops47h 40m
Multiple Airlines
Sat 10/176:04 am
STL
- HKT
2 stops40h 46m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,287
This Cathay Pacific deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:35 pm
HKT
- STL
2 stops40h 50m
Cathay Pacific
Sat 12/56:55 am
STL
- HKT
2 stops45h 40m
Cathay Pacific
Deal found 7/22![Cathay Pacific logo]()
$1,348
Best flights from Thailand to St. LouisDiscover carefully curated flight deals from Thailand to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Thailand to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This Cathay Pacific deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Sat 10/311:00 am
BKK
- STL
2 stops33h 20m
Multiple Airlines
Sat 10/171:06 pm
STL
- BKK
2 stops23h 04m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,006
This Cathay Pacific deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Sat 10/311:00 am
BKK
- STL
2 stops24h 43m
Cathay Pacific
Mon 10/197:10 pm
STL
- BKK
2 stops26h 50m
Cathay Pacific
Deal found 7/20![Cathay Pacific logo]()
$1,073
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/77:00 am
BKK
- STL
2 stops27h 59m
United Airlines
Sun 10/185:36 pm
STL
- BKK
3 stops27h 59m
United Airlines
Deal found 7/20![United Airlines logo]()
$1,463
This Cathay Pacific deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Sun 9/207:35 am
BKK
- STL
2 stops28h 08m
Multiple Airlines
Wed 10/217:10 pm
STL
- BKK
2 stops30h 50m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,006
This Cathay Pacific deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Mon 10/57:10 pm
BKK
- STL
2 stops38h 49m
Cathay Pacific
Sat 10/177:10 pm
STL
- BKK
2 stops26h 50m
Cathay Pacific
Deal found 7/20![Cathay Pacific logo]()
$1,073
This Cathay Pacific deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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.
Sat 9/511:00 am
BKK
- STL
2 stops39h 45m
Multiple Airlines
Sat 9/1911:01 am
STL
- BKK
2 stops36h 29m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,040
This Cathay Pacific deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:55 am
BKK
- STL
2 stops27h 47m
Multiple Airlines
Fri 11/137:05 pm
STL
- BKK
2 stops32h 35m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,040
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/77:00 am
BKK
- STL
2 stops25h 36m
United Airlines
Wed 10/211:29 pm
STL
- BKK
3 stops32h 06m
United Airlines
Deal found 7/20![United Airlines logo]()
$1,463
This Cathay Pacific deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:35 pm
HKT
- STL
2 stops40h 50m
Cathay Pacific
Sat 12/56:55 am
STL
- HKT
2 stops45h 40m
Cathay Pacific
Deal found 7/22![Cathay Pacific logo]()
$1,348
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/57:00 am
BKK
- STL
2 stops24h 16m
United Airlines
Sat 9/1911:25 am
STL
- BKK
3 stops34h 10m
United Airlines
Deal found 7/22![United Airlines logo]()
$1,463
This Cathay Pacific deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Sat 10/311:50 am
HKT
- STL
2 stops47h 40m
Multiple Airlines
Sat 10/176:04 am
STL
- HKT
2 stops40h 46m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,287
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/47:00 am
BKK
- STL
2 stops23h 43m
United Airlines
Tue 10/205:36 pm
STL
- BKK
3 stops27h 59m
United Airlines
Deal found 7/20![United Airlines logo]()
$1,463
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/33:45 pm
BKK
- STL
3 stops29h 56m
United Airlines
Sat 10/179:30 am
STL
- BKK
3 stops36h 05m
United Airlines
Deal found 7/20![United Airlines logo]()
$1,469
This Cathay Pacific deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/49:55 pm
HKT
- STL
3 stops37h 47m
Multiple Airlines
Fri 9/115:11 pm
STL
- HKT
2 stops29h 39m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,356
This BusinessClass deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/311:50 am
HKT
- STL
2 stops48h 09m
Cathay Pacific
Thu 8/68:07 pm
STL
- HKT
2 stops57h 13m
Cathay Pacific
Deal found 7/20![Cathay Pacific logo]()
$1,972
This EVA Air deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:20 pm
HKT
- STL
3 stops32h 57m
Multiple Airlines
Thu 8/67:56 pm
STL
- HKT
3 stops30h 09m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,583
Last-minute flights from Thailand to St. LouisDiscover last-minute flight deals from Thailand to St. Louis. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Thailand to St. Louis. Data last updated July 23, 2026 and is based on user searches.
This EVA Air deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:20 pm
HKT
- STL
3 stops32h 57m
Multiple Airlines
Thu 8/67:56 pm
STL
- HKT
3 stops30h 09m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,583
This BusinessClass deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/311:50 am
HKT
- STL
2 stops48h 09m
Cathay Pacific
Thu 8/68:07 pm
STL
- HKT
2 stops57h 13m
Cathay Pacific
Deal found 7/20![Cathay Pacific logo]()
$1,972
One-way flights from Thailand to St. LouisSearch for one-way flight options from Thailand to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Thailand to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This BusinessClass deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/111:00 pm
HKT
- STL
2 stops36h 59m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$603
This Cathay Pacific deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:40 pm
BKK
- STL
2 stops38h 45m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$612
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:20 pm
BKK
- STL
3 stops41h 55m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$629
This Orbitz deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:55 pm
HKT
- STL
2 stops53h 31m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$689
This Cathay Pacific deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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.
Sun 12/66:35 pm
HKT
- STL
2 stops42h 22m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$759
This KAYAK deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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.
Sun 11/291:45 pm
BKK
- STL
2 stops23h 04m
STARLUX Airlines
Deal found 7/19![STARLUX Airlines logo]()
$766
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/1811:25 pm
HKT
- STL
3 stops55h 48m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$783
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/151:10 pm
BKK
- STL
3 stops41h 05m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$789
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/297:50 pm
BKK
- STL
3 stops55h 36m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$843
This oojo deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:30 pm
HKT
- STL
2 stops54h 54m
Qatar Airways
Deal found 7/23![Qatar Airways logo]()
$870
This KAYAK deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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.
Sun 1/32:00 am
BKK
- STL
2 stops32h 08m
Qatar Airways
Deal found 7/22![Qatar Airways logo]()
$877
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 11/194:55 pm
BKK
- STL
3 stops30h 10m
United Airlines
Deal found 7/21![United Airlines logo]()
$964
Find flight deals from Thailand to St. Louis
Keep the following information in mind while searching for Thailand to St. Louis flight deals. Data was last updated July 23, 2026.
Round-trip from | $1,006 (Cathay Pacific) |
|---|---|
One-way from | $603 (BusinessClass) |
Popular in | July |
Cheapest in | February |
Average price | $2,006 |
Cheapflights Fare Finder
Customize your flight search to find flights from Thailand to St. Louis 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 23, 2026.
Use the filters below to find and compare flights from Thailand to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Sat 10/3
11:00 am-8:20 am
2 stops33h 20m
Lambert-St Louis
Sat 10/17
1:06 pm-12:10 am
2 stops23h 04m
$1,006
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Sun 9/20
7:35 am-11:43 pm
2 stops28h 08m
Lambert-St Louis
Wed 10/21
7:10 pm-2:00 pm
2 stops30h 50m
$1,006
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Sat 9/5
11:00 am-2:45 pm
2 stops39h 45m
Lambert-St Louis
Sat 9/19
11:01 am-11:30 am
2 stops36h 29m
$1,040
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Thu 10/29
7:55 am-11:42 pm
2 stops27h 47m
Lambert-St Louis
Fri 11/13
7:05 pm-4:40 pm
2 stops32h 35m
$1,040
Quickest round-trip
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Sat 10/3
11:00 am-11:43 pm
2 stops24h 43m
Lambert-St Louis
Mon 10/19
7:10 pm-10:00 am
2 stops26h 50m
$1,073
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Mon 10/5
7:10 pm-9:59 pm
2 stops38h 49m
Lambert-St Louis
Sat 10/17
7:10 pm-10:00 am
2 stops26h 50m
$1,073
Phuket CitySt. Louis
HKT - STL
HKTSTL
Phuket City
Sat 10/3
11:50 am-11:30 pm
2 stops47h 40m
Lambert-St Louis
Sat 10/17
6:04 am-10:50 am
2 stops40h 46m
$1,287
Phuket CitySt. Louis
HKT - STL
HKTSTL
Phuket City
Wed 12/2
6:35 pm-10:25 pm
2 stops40h 50m
Lambert-St Louis
Sat 12/5
6:55 am-5:35 pm
2 stops45h 40m
$1,348
Phuket CitySt. Louis
HKT - STL
HKTSTL
Phuket City
Fri 9/4
9:55 pm-11:42 pm
3 stops37h 47m
Lambert-St Louis
Fri 9/11
5:11 pm-10:50 am
2 stops29h 39m
$1,356
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Wed 10/7
7:00 am-10:59 pm
2 stops27h 59m
Lambert-St Louis
Sun 10/18
5:36 pm-9:35 am
3 stops27h 59m
$1,463
Showing 1-10 of 26 resultsSorted by cheapest first
Best time to book a flight from Thailand to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Thailand with our price prediction graph.
HKT-STL
BKK-STL
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 Thailand to St. Louis
TH0-STL
HKT-STL
BKK-STL
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated July 23, 2026.
Get a feel of what it's like to fly with Japan Airlines and United Airlines from Thailand to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.4
Food
7.7
Crew
8.7
Overall
8.3
Entertainment
7.8
Comfort
8.2
Reviews
1 / 20
4.0
OkayPaul,Jun 2026
HND - DFW
Boarding
8.4
Food
7.7
Crew
8.7
Overall
8.3
Entertainment
7.8
Comfort
8.2
Reviews
1 / 20
4.0
OkayPaul,Jun 2026
HND - DFW
Boarding
8.4
Food
7.7
Crew
8.7
Overall
8.3
Entertainment
7.8
Comfort
8.2
Reviews
1 / 20
4.0
OkayPaul,Jun 2026
HND - DFW
Related info for your journey
Find useful and relevant information for your journey from Thailand to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
Browse thousands of different options on Cheapflights for your next trip
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St. Louis flight routes
Alternative routes for Thailand to St. Louis
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Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
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Thailand and St. Louis flights
Browse other Thailand and St. Louis flight options. Last updated on July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Top 2 airlines flying from Thailand to St. Louis
Discover the top 2 airlines that operate flights from Thailand to St. Louis. 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$952 | Average$1,237 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$1,410 | Average$1,415 | FlexibilityNo cancel fee | On-time69% |