$604+ 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 31 — Aug 71
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
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 July 1, 2026.
Explore the most affordable flight options available from Thailand to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
This Air Canada deal was found by Cheapflights users on 6/30. 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 10/277:25 am
BKK
- STL
2 stops44h 01m
Air Canada
Thu 11/54:05 pm
STL
- BKK
2 stops43h 40m
Air Canada
Deal found 6/30![Air Canada logo]()
$1,097
This Booking.com deal was found by Cheapflights users on 6/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:25 am
BKK
- STL
2 stops44h 01m
Air Canada
Fri 11/64:05 pm
STL
- BKK
2 stops49h 25m
Air Canada
Deal found 6/30![Air Canada logo]()
$1,138
This Booking.com deal was found by Cheapflights users on 6/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:05 am
BKK
- STL
2 stops41h 35m
Air Canada
Wed 8/1912:59 pm
STL
- BKK
2 stops28h 06m
Air Canada
Deal found 6/28![Air Canada logo]()
$1,196
This China Airlines deal was found by Cheapflights users on 6/29. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:50 am
BKK
- STL
2 stops37h 35m
Multiple Airlines
Thu 12/103:24 pm
STL
- BKK
2 stops36h 21m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,222
This Gotogate deal was found by Cheapflights users on 6/26. 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.
Mon 8/107:05 am
BKK
- STL
2 stops45h 29m
Air Canada
Mon 8/172:40 pm
STL
- BKK
2 stops26h 25m
Air Canada
Deal found 6/26![Air Canada logo]()
$1,230
This Japan Airlines deal was found by Cheapflights users on 6/26. 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 9/912:30 am
BKK
- STL
2 stops35h 10m
Japan Airlines
Mon 9/148:30 am
STL
- BKK
2 stops26h 30m
Japan Airlines
Deal found 6/26![Japan Airlines logo]()
$1,250
This Japan Airlines deal was found by Cheapflights users on 6/28. 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 9/2312:30 am
BKK
- STL
2 stops35h 10m
Japan Airlines
Mon 9/288:30 am
STL
- BKK
2 stops26h 30m
Japan Airlines
Deal found 6/28![Japan Airlines logo]()
$1,254
This China Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 10/272:05 pm
BKK
- STL
3 stops36h 15m
Multiple Airlines
Thu 11/53:11 pm
STL
- BKK
2 stops32h 54m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$1,258
This China Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 10/2710:55 am
BKK
- STL
3 stops39h 25m
Multiple Airlines
Fri 11/65:05 am
STL
- BKK
2 stops39h 45m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$1,312
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:40 pm
BKK
- STL
2 stops37h 19m
Japan Airlines
Fri 12/117:00 am
STL
- BKK
2 stops33h 05m
Japan Airlines
Deal found 6/29![Japan Airlines logo]()
$1,339
This Cathay Pacific deal was found by Cheapflights users on 6/30. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:50 am
HKT
- STL
2 stops46h 09m
Cathay Pacific
Mon 10/127:10 pm
STL
- HKT
2 stops34h 10m
Cathay Pacific
Deal found 6/30![Cathay Pacific logo]()
$1,440
This Qatar Airways deal was found by Cheapflights users on 6/26. 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 10/99:20 am
HKT
- STL
2 stops49h 45m
Qatar Airways
Mon 10/129:47 am
STL
- HKT
2 stops33h 58m
Qatar Airways
Deal found 6/26![Qatar Airways logo]()
$1,493
Best flights from Thailand to St. LouisDiscover carefully curated flight deals from Thailand to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Thailand to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This China Airlines deal was found by Cheapflights users on 6/29. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:50 am
BKK
- STL
2 stops37h 35m
Multiple Airlines
Thu 12/103:24 pm
STL
- BKK
2 stops36h 21m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,222
This Gotogate deal was found by Cheapflights users on 6/26. 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.
Mon 8/107:05 am
BKK
- STL
2 stops45h 29m
Air Canada
Mon 8/172:40 pm
STL
- BKK
2 stops26h 25m
Air Canada
Deal found 6/26![Air Canada logo]()
$1,230
This Japan Airlines deal was found by Cheapflights users on 6/26. 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 9/912:30 am
BKK
- STL
2 stops35h 10m
Japan Airlines
Mon 9/148:30 am
STL
- BKK
2 stops26h 30m
Japan Airlines
Deal found 6/26![Japan Airlines logo]()
$1,250
This Cathay Pacific deal was found by Cheapflights users on 6/30. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:50 am
HKT
- STL
2 stops46h 09m
Cathay Pacific
Mon 10/127:10 pm
STL
- HKT
2 stops34h 10m
Cathay Pacific
Deal found 6/30![Cathay Pacific logo]()
$1,440
This United Airlines deal was found by Cheapflights users on 6/27. 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
2 stops21h 37m
United Airlines
Mon 9/281:36 pm
STL
- BKK
3 stops31h 59m
United Airlines
Deal found 6/27![United Airlines logo]()
$1,446
This Qatar Airways deal was found by Cheapflights users on 6/26. 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 10/99:20 am
HKT
- STL
2 stops49h 45m
Qatar Airways
Mon 10/129:47 am
STL
- HKT
2 stops33h 58m
Qatar Airways
Deal found 6/26![Qatar Airways logo]()
$1,493
This Japan Airlines deal was found by Cheapflights users on 6/28. 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 9/2312:30 am
BKK
- STL
2 stops35h 10m
Japan Airlines
Mon 9/288:30 am
STL
- BKK
2 stops26h 30m
Japan Airlines
Deal found 6/28![Japan Airlines logo]()
$1,254
This China Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 10/2710:55 am
BKK
- STL
3 stops39h 25m
Multiple Airlines
Fri 11/65:05 am
STL
- BKK
2 stops39h 45m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$1,312
This United Airlines deal was found by Cheapflights users on 6/26. 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 9/103:45 pm
BKK
- STL
3 stops30h 25m
United Airlines
Mon 9/145:30 pm
STL
- BKK
3 stops28h 05m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,448
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:40 pm
BKK
- STL
2 stops37h 19m
Japan Airlines
Fri 12/117:00 am
STL
- BKK
2 stops33h 05m
Japan Airlines
Deal found 6/29![Japan Airlines logo]()
$1,339
One-way flights from Thailand to St. LouisSearch for one-way flight options from Thailand to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from Thailand to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This SmartFares deal was found by Cheapflights users on 6/29. 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 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 6/29![Multiple Airlines logo]()
$604
This SmartFares deal was found by Cheapflights users on 6/30. 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.
Fri 10/233:00 am
BKK
- STL
2 stops32h 59m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$621
This Qatar Airways deal was found by Cheapflights users on 6/30. 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 7/83:00 am
BKK
- STL
2 stops32h 59m
Qatar Airways
Deal found 6/30![Qatar Airways logo]()
$622
This China Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 11/192:05 pm
BKK
- STL
2 stops47h 10m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$625
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:50 pm
BKK
- STL
3 stops36h 00m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$644
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Thu 8/2010:45 pm
BKK
- STL
3 stops55h 05m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$683
This oojo deal was found by Cheapflights users on 6/28. 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.
Tue 8/184:25 pm
BKK
- STL
2 stops42h 34m
Cathay Pacific
Deal found 6/28![Cathay Pacific logo]()
$695
This Cathay Pacific deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:35 pm
HKT
- STL
2 stops42h 22m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$761
Find flight deals from Thailand to St. Louis
Keep the following information in mind while searching for Thailand to St. Louis flight deals. Data was last updated July 1, 2026.
Round-trip from | $1,097 (Air Canada) |
|---|---|
One-way from | $604 (SmartFares) |
Popular in | July |
Cheapest in | February |
Average price | $2,006 |
Cheapflights Fare Finder
Customize your flight search to find flights from Thailand to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 1, 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
Tue 8/18
10:50 am-12:25 pm
2 stops37h 35m
Lambert-St Louis
Thu 12/10
3:24 pm-4:45 pm
2 stops36h 21m
$1,222
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Mon 8/10
7:05 am-4:34 pm
2 stops45h 29m
Lambert-St Louis
Mon 8/17
2:40 pm-5:05 am
2 stops26h 25m
$1,230
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Wed 9/9
12:30 am-11:40 pm
2 stops35h 10m
Lambert-St Louis
Mon 9/14
8:30 am-11:00 pm
2 stops26h 30m
$1,250
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Wed 9/23
12:30 am-11:40 pm
2 stops35h 10m
Lambert-St Louis
Mon 9/28
8:30 am-11:00 pm
2 stops26h 30m
$1,254
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Tue 10/27
10:55 am-2:20 pm
3 stops39h 25m
Lambert-St Louis
Fri 11/6
5:05 am-9:50 am
2 stops39h 45m
$1,312
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Tue 8/18
9:40 pm-10:59 pm
2 stops37h 19m
Lambert-St Louis
Fri 12/11
7:00 am-5:05 am
2 stops33h 05m
$1,339
Phuket CitySt. Louis
HKT - STL
HKTSTL
Phuket City
Fri 10/9
11:50 am-9:59 pm
2 stops46h 09m
Lambert-St Louis
Mon 10/12
7:10 pm-5:20 pm
2 stops34h 10m
$1,440
Quickest round-trip
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Thu 9/24
7:00 am-4:37 pm
2 stops21h 37m
Lambert-St Louis
Mon 9/28
1:36 pm-9:35 am
3 stops31h 59m
$1,446
BangkokSt. Louis
BKK - STL
BKKSTL
Bangkok Suvarnabhumi
Thu 9/10
3:45 pm-10:10 am
3 stops30h 25m
Lambert-St Louis
Mon 9/14
5:30 pm-9:35 am
3 stops28h 05m
$1,448
Phuket CitySt. Louis
HKT - STL
HKTSTL
Phuket City
Fri 10/9
9:20 am-11:05 pm
2 stops49h 45m
Lambert-St Louis
Mon 10/12
9:47 am-7:45 am
2 stops33h 58m
$1,493
Showing 1-10 of 20 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 July 1, 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.
Crew
8.7
Food
7.7
Entertainment
7.8
Comfort
8.2
Overall
8.3
Boarding
8.4
Reviews
1 / 20
4.0
OkayPaul,Jun 2026
HND - DFW
Crew
8.7
Food
7.7
Entertainment
7.8
Comfort
8.2
Overall
8.3
Boarding
8.4
Reviews
1 / 20
4.0
OkayPaul,Jun 2026
HND - DFW
Crew
8.7
Food
7.7
Entertainment
7.8
Comfort
8.2
Overall
8.3
Boarding
8.4
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
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 July 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 1, 2026.
Top 2 airlines flying from Thailand to St. Louis
Discover the top 2 airlines that operate flights from Thailand to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 1, 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% |