$574+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
Jun 3 — Jun 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 May 4, 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 May 4, 2026.
This Japan Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 10/229:40 am
BKK
- STL
2 stops25h 25m
Japan Airlines
Mon 10/268:30 am
STL
- BKK
2 stops43h 55m
Japan Airlines
Deal found 4/29![Japan Airlines logo]()
$1,272
This oojo deal was found by Cheapflights users on 4/30. 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 6/142:30 am
BKK
- STL
2 stops33h 46m
Qatar Airways
Mon 6/227:24 pm
STL
- BKK
2 stops30h 01m
Qatar Airways
Deal found 4/30![Qatar Airways logo]()
$1,298
This China Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 10/51:20 pm
BKK
- STL
2 stops37h 06m
Multiple Airlines
Thu 10/227:00 am
STL
- BKK
2 stops38h 45m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,351
This Qatar Airways deal was found by Cheapflights users on 4/29. 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 9/248:30 pm
HKT
- STL
2 stops38h 32m
Qatar Airways
Mon 9/286:30 am
STL
- HKT
2 stops37h 15m
Qatar Airways
Deal found 4/29![Qatar Airways logo]()
$1,428
This United Airlines deal was found by Cheapflights users on 4/29. 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 10/229:35 am
BKK
- STL
2 stops40h 42m
United Airlines
Mon 10/265:18 pm
STL
- BKK
3 stops30h 07m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,463
This Korean Air deal was found by Cheapflights users on 4/30. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:25 pm
HKT
- STL
2 stops27h 13m
Korean Air
Mon 9/287:05 pm
STL
- HKT
2 stops39h 05m
Korean Air
Deal found 4/30![Korean Air logo]()
$1,467
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:30 pm
BKK
- STL
2 stops29h 20m
Delta
Thu 10/227:30 am
STL
- BKK
2 stops26h 15m
Delta
Deal found 5/3![Delta logo]()
$1,472
This United Airlines deal was found by Cheapflights users on 5/3. 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
BKK
- STL
2 stops47h 34m
United Airlines
Thu 10/221:36 pm
STL
- BKK
3 stops31h 59m
United Airlines
Deal found 5/3![United Airlines logo]()
$1,475
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 May 4, 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 May 4, 2026.
This Japan Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 10/229:40 am
BKK
- STL
2 stops25h 25m
Japan Airlines
Mon 10/268:30 am
STL
- BKK
2 stops43h 55m
Japan Airlines
Deal found 4/29![Japan Airlines logo]()
$1,272
This China Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 10/51:20 pm
BKK
- STL
2 stops37h 06m
Multiple Airlines
Thu 10/227:00 am
STL
- BKK
2 stops38h 45m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,351
This Qatar Airways deal was found by Cheapflights users on 4/29. 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 9/248:30 pm
HKT
- STL
2 stops38h 32m
Qatar Airways
Mon 9/286:30 am
STL
- HKT
2 stops37h 15m
Qatar Airways
Deal found 4/29![Qatar Airways logo]()
$1,428
This United Airlines deal was found by Cheapflights users on 4/30. 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 10/229:35 am
BKK
- STL
2 stops40h 42m
United Airlines
Mon 10/265:18 pm
STL
- BKK
3 stops30h 07m
United Airlines
Deal found 4/30![United Airlines logo]()
$1,466
This Korean Air deal was found by Cheapflights users on 4/30. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:25 pm
HKT
- STL
2 stops27h 13m
Korean Air
Mon 9/287:05 pm
STL
- HKT
2 stops39h 05m
Korean Air
Deal found 4/30![Korean Air logo]()
$1,467
This United Airlines deal was found by Cheapflights users on 5/3. 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
BKK
- STL
2 stops47h 34m
United Airlines
Thu 10/221:36 pm
STL
- BKK
3 stops31h 59m
United Airlines
Deal found 5/3![United Airlines logo]()
$1,475
Last-minute flights from Thailand to St. LouisDiscover last-minute flight deals from Thailand to St. Louis. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from Thailand to St. Louis. Data last updated May 4, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:20 am
BKK
- STL
2 stops34h 34m
Multiple Airlines
Sun 5/177:41 pm
STL
- BKK
2 stops39h 19m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,556
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/143:45 pm
BKK
- STL
3 stops28h 54m
United Airlines
Sun 5/176:00 am
STL
- BKK
3 stops39h 35m
United Airlines
Deal found 4/30![United Airlines logo]()
$1,891
This SmartFares deal was found by Cheapflights users on 4/30. 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.
Thu 5/281:10 pm
BKK
- STL
2 stops38h 06m
Multiple Airlines
Thu 6/47:41 pm
STL
- BKK
2 stops28h 19m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,513
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/283:45 pm
BKK
- STL
3 stops30h 22m
United Airlines
Thu 6/46:00 am
STL
- BKK
2 stops29h 55m
United Airlines
Deal found 4/30![United Airlines logo]()
$1,894
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 May 4, 2026.
Search for one-way flight options from Thailand to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
This Ovago deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:20 am
BKK
- STL
2 stops34h 34m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$574
This SmartFares deal was found by Cheapflights users on 4/30. 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.
Wed 6/101:00 am
BKK
- STL
2 stops34h 59m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$611
This Qatar Airways deal was found by Cheapflights users on 4/30. 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 9/238:00 pm
BKK
- STL
2 stops39h 59m
Qatar Airways
Deal found 4/30![Qatar Airways logo]()
$646
This SmartFares deal was found by Cheapflights users on 4/30. 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.
Thu 9/242:30 am
BKK
- STL
2 stops33h 29m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$647
This Qatar Airways deal was found by Cheapflights users on 4/30. 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 9/278:00 pm
BKK
- STL
2 stops39h 59m
Qatar Airways
Deal found 4/30![Qatar Airways logo]()
$671
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Tue 9/227:45 am
BKK
- STL
2 stops46h 56m
Air Canada
Deal found 4/30![Air Canada logo]()
$678
This KAYAK deal was found by Cheapflights users on 5/3. 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.
Sat 10/248:00 am
BKK
- STL
2 stops27h 59m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$716
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:30 am
BKK
- STL
2 stops32h 32m
Qatar Airways
Deal found 4/30![Qatar Airways logo]()
$792
This United Airlines deal was found by Cheapflights users on 4/30. 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 9/259:35 am
BKK
- STL
3 stops42h 03m
United Airlines
Deal found 4/30![United Airlines logo]()
$954
This United Airlines deal was found by Cheapflights users on 4/30. 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 9/247:00 am
BKK
- STL
3 stops44h 38m
United Airlines
Deal found 4/30![United Airlines logo]()
$957
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 May 4, 2026.
Round-trip from | $1,272 (Japan Airlines) |
|---|---|
One-way from | $574 (Ovago) |
Popular in | March |
Cheapest in | February |
Average price | $1,190 |
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 May 4, 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
Thu 10/22
9:40 am-11:05 pm
2 stops25h 25m
Lambert-St Louis
Mon 10/26
8:30 am-4:25 pm
2 stops43h 55m
$1,272
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Mon 10/5
1:20 pm-2:26 pm
2 stops37h 06m
Lambert-St Louis
Thu 10/22
7:00 am-9:45 am
2 stops38h 45m
$1,351
Phuket CitySt. Louis
HKT - STL
HKTSTL
Phuket City
Thu 9/24
8:30 pm-11:02 pm
2 stops38h 32m
Lambert-St Louis
Mon 9/28
6:30 am-7:45 am
2 stops37h 15m
$1,428
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Thu 10/22
9:35 am-2:17 pm
2 stops40h 42m
Lambert-St Louis
Mon 10/26
5:18 pm-11:25 am
3 stops30h 07m
$1,466
Quickest round-trip
Phuket CitySt. Louis
HKT - STL
HKTSTL
Phuket City
Thu 9/24
11:25 pm-2:38 pm
2 stops27h 13m
Lambert-St Louis
Mon 9/28
7:05 pm-10:10 pm
2 stops39h 05m
$1,467
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Mon 10/5
9:35 am-9:09 pm
2 stops47h 34m
Lambert-St Louis
Thu 10/22
1:36 pm-9:35 am
3 stops31h 59m
$1,475
Cheapest one-way
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Wed 5/13
1:20 am-11:54 pm
2 stops34h 34m
$574
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Wed 9/23
8:00 pm-11:59 pm
2 stops39h 59m
$646
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Sun 9/27
2:30 am-11:59 pm
2 stops33h 29m
$646
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Tue 9/22
7:45 am-6:41 pm
2 stops46h 56m
$678
Showing 1-10 of 15 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 May 4, 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.
Comfort
8.2
Boarding
8.4
Overall
8.3
Entertainment
7.8
Crew
8.7
Food
7.7
Reviews
1 / 20
8.0
ExcellentEvan,Feb 2026
NRT - ORD
Comfort
8.2
Boarding
8.4
Overall
8.3
Entertainment
7.8
Crew
8.7
Food
7.7
Reviews
1 / 20
8.0
ExcellentEvan,Feb 2026
NRT - ORD
Comfort
8.2
Boarding
8.4
Overall
8.3
Entertainment
7.8
Crew
8.7
Food
7.7
Reviews
1 / 20
8.0
ExcellentEvan,Feb 2026
NRT - ORD
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
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
St. Louis flight routes
Alternative routes for Thailand to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
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 May 4, 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 May 4, 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 May 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$952 | Average$1,236 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$1,410 | Average$1,415 | FlexibilityNo cancel fee | On-time69% |