$540+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
Mar 14 — Mar 211
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
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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 February 12, 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 February 12, 2026.
This oojo deal was found by Cheapflights users on 2/12. 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.
Thu 2/196:45 pm
BKK
- STL
2 stops56h 06m
Philippine Airlines
Thu 2/267:00 am
STL
- BKK
2 stops40h 00m
Philippine Airlines
Deal found 2/12![Philippine Airlines logo]()
$1,071
This oojo deal was found by Cheapflights users on 2/11. 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 3/2811:40 am
BKK
- STL
2 stops33h 15m
Cathay Pacific
Sat 4/44:13 pm
STL
- BKK
2 stops29h 47m
Cathay Pacific
Deal found 2/11![Cathay Pacific logo]()
$1,123
This oojo deal was found by Cheapflights users on 2/12. 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 2/252:15 am
BKK
- STL
2 stops58h 44m
EVA Air
Sun 3/17:00 am
STL
- BKK
2 stops39h 30m
EVA Air
Deal found 2/12![EVA Air logo]()
$1,150
This SmartFares deal was found by Cheapflights users on 2/10. 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.
Sat 3/212:40 pm
BKK
- STL
2 stops45h 19m
Multiple Airlines
Tue 4/73:50 pm
STL
- BKK
2 stops30h 35m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,156
This oojo deal was found by Cheapflights users on 2/12. 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.
Sun 3/291:25 pm
BKK
- STL
2 stops37h 55m
Philippine Airlines
Sun 4/57:00 am
STL
- BKK
2 stops41h 10m
Philippine Airlines
Deal found 2/12![Philippine Airlines logo]()
$1,187
This Japan Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:30 am
BKK
- STL
2 stops34h 38m
Japan Airlines
Mon 8/318:35 am
STL
- BKK
2 stops42h 35m
Japan Airlines
Deal found 2/9![Japan Airlines logo]()
$1,232
This Expedia deal was found by Cheapflights users on 2/11. 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.
Sat 3/2111:50 pm
BKK
- STL
2 stops60h 09m
Multiple Airlines
Wed 4/13:50 pm
STL
- BKK
2 stops32h 20m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,252
This Qatar Airways deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:30 pm
HKT
- STL
2 stops40h 05m
Qatar Airways
Mon 3/99:37 am
STL
- HKT
2 stops33h 13m
Qatar Airways
Deal found 2/9![Qatar Airways logo]()
$1,344
This Air Canada deal was found by Cheapflights users on 2/11. 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 3/197:15 am
BKK
- STL
2 stops44h 14m
Air Canada
Mon 3/306:30 am
STL
- BKK
2 stops34h 35m
Air Canada
Deal found 2/11![Air Canada logo]()
$1,361
This Qatar Airways deal was found by Cheapflights users on 2/11. 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 3/189:55 am
BKK
- STL
2 stops38h 49m
Qatar Airways
Tue 3/317:00 am
STL
- BKK
2 stops48h 25m
Qatar Airways
Deal found 2/11![Qatar Airways logo]()
$1,382
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 February 12, 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 February 12, 2026.
This SmartFares deal was found by Cheapflights users on 2/10. 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.
Sat 3/212:40 pm
BKK
- STL
2 stops45h 19m
Multiple Airlines
Tue 4/73:50 pm
STL
- BKK
2 stops30h 35m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,156
This oojo deal was found by Cheapflights users on 2/12. 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.
Sun 3/291:25 pm
BKK
- STL
2 stops37h 55m
Philippine Airlines
Sun 4/57:00 am
STL
- BKK
2 stops41h 10m
Philippine Airlines
Deal found 2/12![Philippine Airlines logo]()
$1,187
This Qatar Airways deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:30 pm
HKT
- STL
2 stops40h 05m
Qatar Airways
Mon 3/99:37 am
STL
- HKT
2 stops33h 13m
Qatar Airways
Deal found 2/9![Qatar Airways logo]()
$1,344
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/244:55 pm
BKK
- STL
3 stops39h 46m
United Airlines
Fri 4/36:35 pm
STL
- BKK
3 stops51h 00m
United Airlines
Deal found 2/11![United Airlines logo]()
$1,465
This Qatar Airways deal was found by Cheapflights users on 2/11. 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 3/189:55 am
BKK
- STL
2 stops38h 49m
Qatar Airways
Tue 3/317:00 am
STL
- BKK
2 stops48h 25m
Qatar Airways
Deal found 2/11![Qatar Airways logo]()
$1,382
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 2/264:55 pm
BKK
- STL
3 stops30h 41m
United Airlines
Sun 3/16:00 pm
STL
- BKK
3 stops52h 25m
United Airlines
Deal found 2/12![United Airlines logo]()
$1,469
This Qatar Airways deal was found by Cheapflights users on 2/11. 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 3/238:15 am
BKK
- STL
2 stops40h 29m
Qatar Airways
Tue 3/317:00 am
STL
- BKK
2 stops48h 25m
Qatar Airways
Deal found 2/11![Qatar Airways logo]()
$1,382
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/184:55 pm
BKK
- STL
3 stops29h 41m
United Airlines
Sun 3/298:30 am
STL
- BKK
2 stops37h 05m
United Airlines
Deal found 2/11![United Airlines logo]()
$1,473
This Qatar Airways deal was found by Cheapflights users on 2/11. 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 3/208:15 am
BKK
- STL
2 stops40h 29m
Qatar Airways
Tue 3/317:00 am
STL
- BKK
2 stops48h 25m
Qatar Airways
Deal found 2/11![Qatar Airways logo]()
$1,408
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/234:55 pm
BKK
- STL
3 stops39h 46m
United Airlines
Sun 3/295:15 am
STL
- BKK
3 stops40h 20m
United Airlines
Deal found 2/11![United Airlines logo]()
$1,545
This Qatar Airways deal was found by Cheapflights users on 2/11. 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 3/209:55 am
BKK
- STL
2 stops38h 49m
Qatar Airways
Sun 3/299:35 am
STL
- BKK
2 stops45h 30m
Qatar Airways
Deal found 2/11![Qatar Airways logo]()
$1,534
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/194:55 pm
BKK
- STL
3 stops29h 41m
United Airlines
Mon 3/308:54 am
STL
- BKK
3 stops36h 41m
United Airlines
Deal found 2/11![United Airlines logo]()
$1,545
Last-minute flights from Thailand to St. LouisDiscover last-minute flight deals from Thailand to St. Louis. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Thailand to St. Louis. Data last updated February 12, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 2/12. 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.
Thu 2/196:45 pm
BKK
- STL
2 stops56h 06m
Philippine Airlines
Thu 2/267:00 am
STL
- BKK
2 stops40h 00m
Philippine Airlines
Deal found 2/12![Philippine Airlines logo]()
$1,071
This oojo deal was found by Cheapflights users on 2/12. 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 2/252:15 am
BKK
- STL
2 stops58h 44m
EVA Air
Sun 3/17:00 am
STL
- BKK
2 stops39h 30m
EVA Air
Deal found 2/12![EVA Air logo]()
$1,150
This Qatar Airways deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:30 pm
HKT
- STL
2 stops40h 05m
Qatar Airways
Mon 3/99:37 am
STL
- HKT
2 stops33h 13m
Qatar Airways
Deal found 2/9![Qatar Airways logo]()
$1,344
This Qatar Airways deal was found by Cheapflights users on 2/11. 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 3/189:55 am
BKK
- STL
2 stops38h 49m
Qatar Airways
Tue 3/317:00 am
STL
- BKK
2 stops48h 25m
Qatar Airways
Deal found 2/11![Qatar Airways logo]()
$1,382
This Qatar Airways deal was found by Cheapflights users on 2/11. 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 3/189:55 am
BKK
- STL
2 stops38h 49m
Qatar Airways
Sat 4/47:00 am
STL
- BKK
2 stops42h 25m
Qatar Airways
Deal found 2/11![Qatar Airways logo]()
$1,405
This Cathay Pacific deal was found by Cheapflights users on 2/11. 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 3/1811:40 am
BKK
- STL
2 stops23h 18m
Cathay Pacific
Sun 3/296:50 pm
STL
- BKK
2 stops31h 10m
Cathay Pacific
Deal found 2/11![Cathay Pacific logo]()
$1,412
This Air Canada deal was found by Cheapflights users on 2/11. 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 3/197:15 am
BKK
- STL
2 stops44h 14m
Air Canada
Mon 3/306:30 am
STL
- BKK
2 stops34h 35m
Air Canada
Deal found 2/11![Air Canada logo]()
$1,361
This Qatar Airways deal was found by Cheapflights users on 2/11. 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 3/208:15 am
BKK
- STL
2 stops40h 29m
Qatar Airways
Tue 3/317:00 am
STL
- BKK
2 stops48h 25m
Qatar Airways
Deal found 2/11![Qatar Airways logo]()
$1,408
This SmartFares deal was found by Cheapflights users on 2/10. 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.
Sat 3/212:40 pm
BKK
- STL
2 stops45h 19m
Multiple Airlines
Tue 4/73:50 pm
STL
- BKK
2 stops30h 35m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,156
This Expedia deal was found by Cheapflights users on 2/11. 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.
Sat 3/2111:50 pm
BKK
- STL
2 stops60h 09m
Multiple Airlines
Wed 4/13:50 pm
STL
- BKK
2 stops32h 20m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,252
This oojo deal was found by Cheapflights users on 2/11. 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 3/2811:40 am
BKK
- STL
2 stops33h 15m
Cathay Pacific
Sat 4/44:13 pm
STL
- BKK
2 stops29h 47m
Cathay Pacific
Deal found 2/11![Cathay Pacific logo]()
$1,123
This oojo deal was found by Cheapflights users on 2/12. 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.
Sun 3/291:25 pm
BKK
- STL
2 stops37h 55m
Philippine Airlines
Sun 4/57:00 am
STL
- BKK
2 stops41h 10m
Philippine Airlines
Deal found 2/12![Philippine Airlines logo]()
$1,187
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 February 12, 2026.
Search for one-way flight options from Thailand to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This oojo deal was found by Cheapflights users on 2/11. 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 3/286:45 pm
BKK
- STL
2 stops56h 35m
Philippine Airlines
Deal found 2/11![Philippine Airlines logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 2/235:05 pm
BKK
- STL
3 stops50h 46m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$651
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/211:35 pm
BKK
- STL
3 stops59h 59m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$783
This SmartFares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/239:05 am
BKK
- STL
2 stops47h 24m
Qatar Airways
Deal found 2/10![Qatar Airways logo]()
$929
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/284:55 pm
BKK
- STL
3 stops36h 01m
United Airlines
Deal found 2/11![United Airlines logo]()
$1,395
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 February 12, 2026.
Round-trip from | $1,123 (oojo) |
|---|---|
One-way from | $523 (oojo) |
Popular in | December |
Cheapest in | February |
Average price | $952 |
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 February 12, 2026.
Use the filters below to find and compare flights from Thailand to St. Louis that are best for you.
Fly from
Thailand
Fly to
St. Louis
Route
Depart
Return
Price
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Sat 3/21
2:40 pm-11:59 pm
2 stops45h 19m
Lambert-St Louis
Tue 4/7
3:50 pm-10:25 am
2 stops30h 35m
$1,156
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Sun 3/29
1:25 pm-3:20 pm
2 stops37h 55m
Lambert-St Louis
Sun 4/5
7:00 am-12:10 pm
2 stops41h 10m
$1,187
Phuket CitySt. Louis
HKT - STL
HKTSTL
Phuket City
Thu 3/5
8:30 pm-11:35 pm
2 stops40h 05m
Lambert-St Louis
Mon 3/9
9:37 am-6:50 am
2 stops33h 13m
$1,344
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Wed 3/18
9:55 am-12:44 pm
2 stops38h 49m
Lambert-St Louis
Tue 3/31
7:00 am-7:25 pm
2 stops48h 25m
$1,382
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Mon 3/23
8:15 am-12:44 pm
2 stops40h 29m
Lambert-St Louis
Tue 3/31
7:00 am-7:25 pm
2 stops48h 25m
$1,382
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Fri 3/20
8:15 am-12:44 pm
2 stops40h 29m
Lambert-St Louis
Tue 3/31
7:00 am-7:25 pm
2 stops48h 25m
$1,408
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Tue 3/24
4:55 pm-8:41 pm
3 stops39h 46m
Lambert-St Louis
Fri 4/3
6:35 pm-9:35 am
3 stops51h 00m
$1,465
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Thu 2/26
4:55 pm-10:36 am
3 stops30h 41m
Lambert-St Louis
Sun 3/1
6:00 pm-11:25 am
3 stops52h 25m
$1,469
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Wed 3/18
4:55 pm-10:36 am
3 stops29h 41m
Lambert-St Louis
Sun 3/29
8:30 am-9:35 am
2 stops37h 05m
$1,473
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Fri 3/20
9:55 am-12:44 pm
2 stops38h 49m
Lambert-St Louis
Sun 3/29
9:35 am-7:05 pm
2 stops45h 30m
$1,534
Showing 1-10 of 17 results
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
What is the cheapest time of day to fly from TH to STL?
Find hourly flight availability from Thailand to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 12, 2026.
When flying from Thailand to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 20% versus a flight in the morning.
What is the cheapest day to fly from Thailand to St. Louis?
Use this chart to determine the cheapest time to fly round-trip from Thailand to St. Louis. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Thailand to St. Louis flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 February 12, 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.
Food
7.7
Entertainment
7.8
Boarding
8.4
Crew
8.7
Comfort
8.2
Overall
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
BKK - NRT
Food
7.7
Entertainment
7.8
Boarding
8.4
Crew
8.7
Comfort
8.2
Overall
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
BKK - NRT
Food
7.7
Entertainment
7.8
Boarding
8.4
Crew
8.7
Comfort
8.2
Overall
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
BKK - NRT
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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus
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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 February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$980 | Average$1,237 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$1,410 | Average$1,415 | FlexibilityNo cancel fee | On-time69% |