$521+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
Sep 18 — Sep 251
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 August 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 August 19, 2026.
This Flysmarter deal was found by Cheapflights users on 8/18. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:05 am -
2 stops47h 36m
Tue 10/138:55 am -
2 stops56h 10m
Deal found 8/18![Air Canada logo]()
$1,078
This Air Canada deal was found by Cheapflights users on 8/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:55 pm -
2 stops52h 31m
Fri 11/274:05 pm -
2 stops49h 25m
Deal found 8/18![Multiple Airlines logo]()
$1,149
This Qatar Airways deal was found by Cheapflights users on 8/14. 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.
Wed 9/239:35 pm -
2 stops37h 55m
Mon 10/1911:31 am -
2 stops32h 14m
Deal found 8/14![Qatar Airways logo]()
$1,417
This Cathay Pacific deal was found by Cheapflights users on 8/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 pm -
2 stops41h 39m
Mon 10/1910:12 am -
2 stops36h 38m
Deal found 8/17![Multiple Airlines logo]()
$1,433
This EVA Air deal was found by Cheapflights users on 8/18. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:45 pm -
3 stops31h 55m
Tue 10/134:42 pm -
2 stops29h 43m
Deal found 8/18![Multiple Airlines logo]()
$1,458
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 10/59:35 am -
3 stops39h 05m
Tue 10/134:39 pm -
3 stops28h 56m
Deal found 8/18![United Airlines logo]()
$1,478
This Qatar Airways deal was found by Cheapflights users on 8/14. 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 9/189:35 pm -
2 stops37h 55m
Sun 9/206:00 am -
2 stops37h 45m
Deal found 8/14![Qatar Airways logo]()
$1,479
This United Airlines deal was found by Cheapflights users on 8/18. 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 11/59:10 am -
2 stops23h 13m
Fri 11/271:40 pm -
3 stops32h 50m
Deal found 8/18![United Airlines logo]()
$1,489
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 August 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 August 19, 2026.
This Flysmarter deal was found by Cheapflights users on 8/18. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:05 am -
2 stops47h 36m
Tue 10/138:55 am -
2 stops56h 10m
Deal found 8/18![Air Canada logo]()
$1,078
This Qatar Airways deal was found by Cheapflights users on 8/14. 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.
Wed 9/239:35 pm -
2 stops37h 55m
Mon 10/1911:31 am -
2 stops32h 14m
Deal found 8/14![Qatar Airways logo]()
$1,417
This Cathay Pacific deal was found by Cheapflights users on 8/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 pm -
2 stops41h 39m
Mon 10/1910:12 am -
2 stops36h 38m
Deal found 8/17![Multiple Airlines logo]()
$1,433
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/109:10 am -
2 stops25h 03m
Sun 2/141:08 pm -
3 stops33h 22m
Deal found 8/14![United Airlines logo]()
$1,476
This Air Canada deal was found by Cheapflights users on 8/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/108:25 am -
2 stops44h 16m
Sun 2/147:04 pm -
2 stops46h 26m
Deal found 8/14![Air Canada logo]()
$1,112
This EVA Air deal was found by Cheapflights users on 8/18. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:45 pm -
3 stops31h 55m
Tue 10/134:42 pm -
2 stops29h 43m
Deal found 8/18![Multiple Airlines logo]()
$1,458
This Qatar Airways deal was found by Cheapflights users on 8/14. 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 9/189:35 pm -
2 stops37h 55m
Sun 9/206:00 am -
2 stops37h 45m
Deal found 8/14![Qatar Airways logo]()
$1,479
Last-minute flights from Thailand to St. LouisDiscover last-minute flight deals from Thailand to St. Louis. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Thailand to St. Louis. Data last updated August 19, 2026 and is based on user searches.
This Qatar Airways deal was found by Cheapflights users on 8/14. 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 9/189:35 pm -
2 stops37h 55m
Sun 9/206:00 am -
2 stops37h 45m
Deal found 8/14![Qatar Airways logo]()
$1,479
This Qatar Airways deal was found by Cheapflights users on 8/14. 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.
Wed 9/239:35 pm -
2 stops37h 55m
Mon 10/1911:31 am -
2 stops32h 14m
Deal found 8/14![Qatar Airways logo]()
$1,417
This Cathay Pacific deal was found by Cheapflights users on 8/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 pm -
2 stops41h 39m
Mon 10/1910:12 am -
2 stops36h 38m
Deal found 8/17![Multiple Airlines logo]()
$1,433
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 August 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 August 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/51:10 am -
3 stops54h 07m
Deal found 8/18![Multiple Airlines logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sat 10/31:10 am -
3 stops54h 07m
Deal found 8/18![Multiple Airlines logo]()
$536
This SmartFares deal was found by Cheapflights users on 8/16. 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 9/1511:30 pm -
2 stops50h 51m
Deal found 8/16![Multiple Airlines logo]()
$591
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/53:55 pm -
3 stops31h 37m
Deal found 8/18![Multiple Airlines logo]()
$596
This oojo deal was found by Cheapflights users on 8/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:55 pm -
2 stops38h 04m
Deal found 8/17![Multiple Airlines logo]()
$597
This Qatar Airways deal was found by Cheapflights users on 8/18. 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 10/43:00 am -
2 stops32h 59m
Deal found 8/18![Qatar Airways logo]()
$615
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sun 11/110:55 am -
3 stops45h 20m
Deal found 8/18![Multiple Airlines logo]()
$620
This Qatar Airways deal was found by Cheapflights users on 8/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:00 am -
2 stops32h 59m
Deal found 8/16![Qatar Airways logo]()
$624
This Qatar Airways deal was found by Cheapflights users on 8/18. 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.
Mon 10/53:00 am -
2 stops32h 59m
Deal found 8/18![Qatar Airways logo]()
$625
This Gotogate deal was found by Cheapflights users on 8/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:00 am -
2 stops32h 59m
Deal found 8/16![Qatar Airways logo]()
$639
This Qatar Airways deal was found by Cheapflights users on 8/14. 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 10/233:00 am -
2 stops32h 59m
Deal found 8/14![Qatar Airways logo]()
$640
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Mon 10/1211:40 pm -
3 stops55h 35m
Deal found 8/16![Multiple Airlines logo]()
$650
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 August 19, 2026.
Round-trip from | $1,078 (Flysmarter) |
|---|---|
One-way from | $521 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
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 August 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 Bangkok Suvarnabhumi - STL Lambert-St Louis
BKKSTL
Bangkok Suvarnabhumi
Mon 10/5
7:05 am-6:41 pm
2 stops47h 36m
Lambert-St Louis
Tue 10/13
8:55 am-5:05 am
2 stops56h 10m
$1,078
BangkokSt. Louis
BKK Bangkok Suvarnabhumi - STL Lambert-St Louis
BKKSTL
Bangkok Suvarnabhumi
Wed 2/10
8:25 am-3:41 pm
2 stops44h 16m
Lambert-St Louis
Sun 2/14
7:04 pm-6:30 am
2 stops46h 26m
$1,112
Phuket CitySt. Louis
HKT Phuket City - STL Lambert-St Louis
HKTSTL
Phuket City
Wed 9/23
9:35 pm-11:30 pm
2 stops37h 55m
Lambert-St Louis
Mon 10/19
11:31 am-7:45 am
2 stops32h 14m
$1,417
Phuket CitySt. Louis
HKT Phuket City - STL Lambert-St Louis
HKTSTL
Phuket City
Wed 9/23
6:20 pm-11:59 pm
2 stops41h 39m
Lambert-St Louis
Mon 10/19
10:12 am-10:50 am
2 stops36h 38m
$1,433
BangkokSt. Louis
BKK Bangkok Suvarnabhumi - STL Lambert-St Louis
BKKSTL
Bangkok Suvarnabhumi
Mon 10/5
4:45 pm-12:40 pm
3 stops31h 55m
Lambert-St Louis
Tue 10/13
4:42 pm-10:25 am
2 stops29h 43m
$1,458
Quickest round-trip
BangkokSt. Louis
BKK Bangkok Suvarnabhumi - STL Lambert-St Louis
BKKSTL
Bangkok Suvarnabhumi
Wed 2/10
9:10 am-9:13 pm
2 stops25h 03m
Lambert-St Louis
Sun 2/14
1:08 pm-11:30 am
3 stops33h 22m
$1,476
Phuket CitySt. Louis
HKT Phuket City - STL Lambert-St Louis
HKTSTL
Phuket City
Fri 9/18
9:35 pm-11:30 pm
2 stops37h 55m
Lambert-St Louis
Sun 9/20
6:00 am-7:45 am
2 stops37h 45m
$1,479
Cheapest one-way
BangkokSt. Louis
BKK Bangkok Suvarnabhumi - STL Lambert-St Louis
BKKSTL
Bangkok Suvarnabhumi
Mon 10/5
1:10 am-7:17 pm
3 stops54h 07m
$521
BangkokSt. Louis
BKK Bangkok Suvarnabhumi - STL Lambert-St Louis
BKKSTL
Bangkok Suvarnabhumi
Sat 10/3
1:10 am-7:17 pm
3 stops54h 07m
$536
BangkokSt. Louis
BKK Bangkok Suvarnabhumi - STL Lambert-St Louis
BKKSTL
Bangkok Suvarnabhumi
Sun 10/4
3:00 am-11:59 pm
2 stops32h 59m
$615
Showing 1-10 of 17 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.
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
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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