$609+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
Jul 19 — Jul 261
Round-trip
1 adult, Economy
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Find cheap flights from Thailand to St. Louis 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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Thailand to St. Louis
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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 June 19, 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 June 19, 2026.
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:40 am
BKK
- STL
2 stops42h 50m
Air Canada
Sat 1/164:15 pm
STL
- BKK
2 stops49h 15m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,117
This SmartFares deal was found by Cheapflights users on 6/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:45 pm
BKK
- STL
2 stops23h 14m
Multiple Airlines
Wed 1/133:24 pm
STL
- BKK
2 stops36h 06m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,125
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:15 am
BKK
- STL
2 stops44h 15m
Air Canada
Sat 1/164:15 pm
STL
- BKK
2 stops49h 15m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,131
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:40 am
BKK
- STL
2 stops42h 50m
Air Canada
Fri 1/154:15 pm
STL
- BKK
2 stops41h 15m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,150
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:15 am
BKK
- STL
2 stops44h 15m
Air Canada
Sat 1/164:15 pm
STL
- BKK
2 stops49h 15m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,154
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:15 am
BKK
- STL
2 stops44h 15m
Air Canada
Fri 1/154:15 pm
STL
- BKK
2 stops43h 05m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,165
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:05 am
BKK
- STL
2 stops47h 37m
Air Canada
Mon 7/139:20 am
STL
- BKK
2 stops31h 45m
Air Canada
Deal found 6/15![Air Canada logo]()
$1,172
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:15 am
BKK
- STL
2 stops44h 15m
Air Canada
Fri 1/154:15 pm
STL
- BKK
2 stops43h 05m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,187
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:05 am
BKK
- STL
2 stops52h 52m
Air Canada
Sat 10/179:04 am
STL
- BKK
2 stops32h 01m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,199
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:05 am
BKK
- STL
2 stops66h 57m
Air Canada
Sat 10/174:49 pm
STL
- BKK
2 stops24h 16m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,201
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:05 am
BKK
- STL
2 stops42h 57m
Air Canada
Fri 10/1612:10 pm
STL
- BKK
2 stops52h 55m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,205
This Qatar Airways deal was found by Cheapflights users on 6/14. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:20 am
HKT
- STL
2 stops49h 45m
Qatar Airways
Tue 10/276:30 am
STL
- HKT
2 stops42h 25m
Qatar Airways
Deal found 6/14![Qatar Airways logo]()
$1,411
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 June 19, 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 June 19, 2026.
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:05 am
BKK
- STL
2 stops47h 37m
Air Canada
Mon 7/139:20 am
STL
- BKK
2 stops31h 45m
Air Canada
Deal found 6/15![Air Canada logo]()
$1,172
This Qatar Airways deal was found by Cheapflights users on 6/14. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:20 am
HKT
- STL
2 stops49h 45m
Qatar Airways
Tue 10/276:30 am
STL
- HKT
2 stops42h 25m
Qatar Airways
Deal found 6/14![Qatar Airways logo]()
$1,411
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 9/109:35 am
BKK
- STL
2 stops38h 27m
United Airlines
Mon 9/141:36 pm
STL
- BKK
3 stops31h 59m
United Airlines
Deal found 6/18![United Airlines logo]()
$1,467
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:00 am
BKK
- STL
2 stops26h 26m
United Airlines
Thu 10/159:04 am
STL
- BKK
2 stops25h 11m
United Airlines
Deal found 6/17![United Airlines logo]()
$1,472
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Mon 7/67:00 am
BKK
- STL
2 stops28h 44m
United Airlines
Mon 7/1311:10 am
STL
- BKK
3 stops34h 25m
United Airlines
Deal found 6/15![United Airlines logo]()
$1,473
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:10 am
BKK
- STL
2 stops22h 16m
United Airlines
Wed 1/131:30 pm
STL
- BKK
3 stops32h 55m
United Airlines
Deal found 6/17![United Airlines logo]()
$1,475
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:55 pm
BKK
- STL
3 stops28h 42m
United Airlines
Fri 1/158:15 pm
STL
- BKK
3 stops50h 10m
United Airlines
Deal found 6/17![United Airlines logo]()
$1,483
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:55 pm
BKK
- STL
3 stops28h 42m
United Airlines
Wed 1/131:30 pm
STL
- BKK
3 stops32h 55m
United Airlines
Deal found 6/17![United Airlines logo]()
$1,483
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:35 am
BKK
- STL
2 stops38h 36m
United Airlines
Sat 10/179:04 am
STL
- BKK
3 stops36h 31m
United Airlines
Deal found 6/17![United Airlines logo]()
$1,522
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:35 am
BKK
- STL
2 stops38h 36m
United Airlines
Wed 10/149:00 am
STL
- BKK
3 stops36h 35m
United Airlines
Deal found 6/17![United Airlines logo]()
$1,522
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/164:55 pm
BKK
- STL
3 stops28h 42m
United Airlines
Tue 12/296:15 am
STL
- BKK
2 stops33h 55m
United Airlines
Deal found 6/17![United Airlines logo]()
$1,560
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:00 am
BKK
- STL
2 stops28h 44m
United Airlines
Wed 10/144:39 pm
STL
- BKK
3 stops28h 56m
United Airlines
Deal found 6/17![United Airlines logo]()
$1,600
Last-minute flights from Thailand to St. LouisDiscover last-minute flight deals from Thailand to St. Louis. Data last updated June 19, 2026 and is based on user searches.
Discover last-minute flight deals from Thailand to St. Louis. Data last updated June 19, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:05 am
BKK
- STL
2 stops47h 37m
Air Canada
Mon 7/139:20 am
STL
- BKK
2 stops31h 45m
Air Canada
Deal found 6/15![Air Canada logo]()
$1,172
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:35 pm
BKK
- STL
2 stops52h 27m
Air Canada
Sat 10/175:10 am
STL
- BKK
2 stops35h 55m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,210
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:35 pm
BKK
- STL
2 stops52h 27m
Air Canada
Fri 10/1612:10 pm
STL
- BKK
2 stops52h 55m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,214
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:35 pm
BKK
- STL
2 stops52h 27m
Air Canada
Wed 10/142:40 pm
STL
- BKK
2 stops44h 55m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,226
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:05 am
BKK
- STL
2 stops66h 57m
Air Canada
Sat 10/174:49 pm
STL
- BKK
2 stops24h 16m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,201
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:05 am
BKK
- STL
2 stops42h 57m
Air Canada
Fri 10/1612:10 pm
STL
- BKK
2 stops52h 55m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,205
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:05 am
BKK
- STL
2 stops66h 57m
Air Canada
Wed 10/142:40 pm
STL
- BKK
2 stops44h 55m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,217
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:05 am
BKK
- STL
2 stops49h 38m
Air Canada
Fri 10/168:00 am
STL
- BKK
2 stops57h 05m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,199
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:05 am
BKK
- STL
2 stops23h 37m
Air Canada
Sat 10/175:10 am
STL
- BKK
2 stops35h 55m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,218
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:05 am
BKK
- STL
2 stops52h 42m
Air Canada
Fri 10/165:36 pm
STL
- BKK
2 stops47h 29m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,220
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:05 am
BKK
- STL
2 stops23h 37m
Air Canada
Wed 10/142:40 pm
STL
- BKK
2 stops44h 55m
Air Canada
Deal found 6/17![Air Canada logo]()
$1,234
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 June 19, 2026.
Search for one-way flight options from Thailand to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
This SmartFares deal was found by Cheapflights users on 6/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/243:00 am
BKK
- STL
2 stops33h 59m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$609
This Qatar Airways deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/153:00 am
BKK
- STL
2 stops33h 56m
Qatar Airways
Deal found 6/18![Qatar Airways logo]()
$635
This oojo deal was found by Cheapflights users on 6/16. 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.
Fri 10/233:00 am
BKK
- STL
2 stops32h 59m
Qatar Airways
Deal found 6/16![Qatar Airways logo]()
$640
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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.
Mon 7/139:55 pm
BKK
- STL
3 stops56h 10m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$658
This Qatar Airways deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:05 am
BKK
- STL
2 stops51h 54m
Qatar Airways
Deal found 6/18![Qatar Airways logo]()
$663
This China Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 11/192:05 pm
BKK
- STL
2 stops47h 10m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$670
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:15 pm
BKK
- STL
3 stops47h 24m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$672
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:00 pm
BKK
- STL
3 stops47h 39m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$675
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:25 pm
BKK
- STL
3 stops40h 50m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$678
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:35 pm
BKK
- STL
2 stops47h 07m
Cathay Pacific
Deal found 6/15![Cathay Pacific logo]()
$691
This Orbitz deal was found by Cheapflights users on 6/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:45 pm
HKT
- STL
2 stops55h 56m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$693
This KAYAK deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” 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 11/207:55 am
BKK
- STL
2 stops24h 32m
Cathay Pacific
Deal found 6/18![Cathay Pacific logo]()
$697
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 June 19, 2026.
Round-trip from | $1,117 (Air Canada) |
|---|---|
One-way from | $609 (SmartFares) |
Popular in | July |
Cheapest in | February |
Average price | $1,297 |
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 June 19, 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
Mon 7/6
7:05 am-6:42 pm
2 stops47h 37m
Lambert-St Louis
Mon 7/13
9:20 am-5:05 am
2 stops31h 45m
$1,172
Phuket CitySt. Louis
HKT - STL
HKTSTL
Phuket City
Fri 10/23
9:20 am-11:05 pm
2 stops49h 45m
Lambert-St Louis
Tue 10/27
6:30 am-12:55 pm
2 stops42h 25m
$1,411
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Thu 9/10
9:35 am-12:02 pm
2 stops38h 27m
Lambert-St Louis
Mon 9/14
1:36 pm-9:35 am
3 stops31h 59m
$1,467
Quickest round-trip
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Tue 7/14
7:00 am-9:26 pm
2 stops26h 26m
Lambert-St Louis
Thu 10/15
9:04 am-10:15 pm
2 stops25h 11m
$1,472
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Mon 7/6
7:00 am-11:44 pm
2 stops28h 44m
Lambert-St Louis
Mon 7/13
11:10 am-9:35 am
3 stops34h 25m
$1,473
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Mon 12/7
7:10 am-4:26 pm
2 stops22h 16m
Lambert-St Louis
Wed 1/13
1:30 pm-11:25 am
3 stops32h 55m
$1,475
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Tue 12/8
4:55 pm-8:37 am
3 stops28h 42m
Lambert-St Louis
Fri 1/15
8:15 pm-11:25 am
3 stops50h 10m
$1,483
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Thu 12/10
4:55 pm-8:37 am
3 stops28h 42m
Lambert-St Louis
Wed 1/13
1:30 pm-11:25 am
3 stops32h 55m
$1,483
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Thu 7/16
9:35 am-12:11 pm
2 stops38h 36m
Lambert-St Louis
Sat 10/17
9:04 am-9:35 am
3 stops36h 31m
$1,522
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Thu 7/16
9:35 am-12:11 pm
2 stops38h 36m
Lambert-St Louis
Wed 10/14
9:00 am-9:35 am
3 stops36h 35m
$1,522
Showing 1-10 of 28 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.
BKK-STL
HKT-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
BKK-STL
HKT-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 June 19, 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.
Entertainment
7.8
Boarding
8.4
Overall
8.3
Comfort
8.2
Food
7.7
Crew
8.7
Reviews
1 / 20
4.0
OkayPaul,Jun 2026
HND - DFW
Entertainment
7.8
Boarding
8.4
Overall
8.3
Comfort
8.2
Food
7.7
Crew
8.7
Reviews
1 / 20
4.0
OkayPaul,Jun 2026
HND - DFW
Entertainment
7.8
Boarding
8.4
Overall
8.3
Comfort
8.2
Food
7.7
Crew
8.7
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
Alton
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.
Search flights from Thailand to St. Louis by cabin class
Find flights from Thailand to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Thailand and St. Louis flights
Browse other Thailand and St. Louis flight options. Last updated on June 19, 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 June 19, 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 June 19, 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% |