$501+ Cheap flights from St. Louis (STL) to Suvarnabhumi (BKK)
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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Suvarnabhumi 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 St. Louis to Suvarnabhumi
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Best
Last-minute
One-way
Cheapest flights from St. Louis to SuvarnabhumiExplore the most affordable flight options available from St. Louis to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
Explore the most affordable flight options available from St. Louis to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
This Expedia deal was found by Cheapflights users on 8/31. 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.
Wed 10/281:08 pm -
2 stops35h 12m
Sun 11/1512:15 pm -
2 stops64h 11m
Deal found 8/31![Multiple Airlines logo]()
$1,034
This Etihad Airways deal was found by Cheapflights users on 8/27. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:29 am -
2 stops40h 41m
Tue 10/203:55 pm -
2 stops35h 56m
Deal found 8/27![Multiple Airlines logo]()
$1,038
This Etihad Airways deal was found by Cheapflights users on 8/31. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:29 am -
2 stops40h 41m
Thu 10/229:00 pm -
2 stops35h 57m
Deal found 8/31![Multiple Airlines logo]()
$1,046
This FlightHub deal was found by Cheapflights users on 8/29. 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.
Wed 9/1611:01 am -
2 stops32h 34m
Wed 10/142:30 am -
2 stops33h 49m
Deal found 8/29![Qatar Airways logo]()
$1,060
This oojo deal was found by Cheapflights users on 8/30. 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.
Wed 9/28:34 am -
2 stops34h 11m
Sat 9/193:55 pm -
2 stops40h 49m
Deal found 8/30![Etihad Airways logo]()
$1,070
This oojo deal was found by Cheapflights users on 8/30. 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.
Wed 10/711:31 am -
2 stops36h 39m
Wed 10/143:55 pm -
2 stops32h 40m
Deal found 8/30![Etihad Airways logo]()
$1,071
This oojo deal was found by Cheapflights users on 8/30. 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.
Wed 9/305:18 pm -
2 stops42h 37m
Wed 10/79:00 pm -
2 stops27h 35m
Deal found 8/30![Etihad Airways logo]()
$1,075
This Etihad Airways deal was found by Cheapflights users on 8/30. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:06 pm -
2 stops35h 04m
Sun 10/252:40 pm -
2 stops34h 20m
Deal found 8/30![Multiple Airlines logo]()
$1,095
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:17 pm -
3 stops34h 23m
Fri 10/21:35 am -
3 stops44h 00m
Deal found 8/27![Multiple Airlines logo]()
$1,107
This oojo deal was found by Cheapflights users on 8/28. 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 11/37:26 am -
2 stops27h 09m
Mon 11/97:55 am -
2 stops29h 04m
Deal found 8/28![Japan Airlines logo]()
$1,119
This oojo deal was found by Cheapflights users on 8/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:48 am -
2 stops34h 47m
Tue 10/133:00 am -
2 stops29h 57m
Deal found 8/27![Qatar Airways logo]()
$1,123
Best flights from St. Louis to SuvarnabhumiDiscover carefully curated flight deals from St. Louis to Suvarnabhumi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
Discover carefully curated flight deals from St. Louis to Suvarnabhumi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
This Etihad Airways deal was found by Cheapflights users on 8/31. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:00 am -
2 stops30h 55m
Thu 10/223:15 am -
2 stops33h 04m
Deal found 8/31![Multiple Airlines logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Wed 10/284:39 pm -
3 stops30h 51m
Wed 11/119:10 am -
2 stops38h 22m
Deal found 8/29![United Airlines logo]()
$1,159
This Etihad Airways deal was found by Cheapflights users on 8/31. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:29 am -
2 stops28h 26m
Tue 11/108:30 am -
2 stops41h 20m
Deal found 8/31![Multiple Airlines logo]()
$1,038
This Etihad Airways deal was found by Cheapflights users on 8/31. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:27 am -
2 stops28h 28m
Wed 10/73:55 pm -
2 stops41h 02m
Deal found 8/31![Multiple Airlines logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/223:32 pm -
3 stops30h 03m
Wed 10/77:00 am -
2 stops25h 16m
Deal found 8/31![United Airlines logo]()
$1,161
This Etihad Airways deal was found by Cheapflights users on 8/28. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:00 am -
2 stops43h 10m
Sat 10/33:55 pm -
2 stops33h 21m
Deal found 8/28![Multiple Airlines logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 9/185:30 pm -
3 stops28h 05m
Sun 10/49:35 am -
2 stops38h 38m
Deal found 8/27![United Airlines logo]()
$1,209
This Etihad Airways deal was found by Cheapflights users on 8/31. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:43 am -
2 stops27h 12m
Wed 10/79:00 pm -
2 stops27h 35m
Deal found 8/31![Multiple Airlines logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 8/31. 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 1/213:00 pm -
3 stops31h 30m
Sat 2/67:10 am -
2 stops22h 16m
Deal found 8/31![United Airlines logo]()
$1,211
This United Airlines deal was found by Cheapflights users on 8/31. 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 11/149:40 am -
3 stops36h 50m
Tue 11/247:10 am -
2 stops23h 55m
Deal found 8/31![United Airlines logo]()
$1,211
Last-minute flights from St. Louis to SuvarnabhumiDiscover last-minute flight deals from St. Louis to Suvarnabhumi. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Suvarnabhumi. Data last updated September 1, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 8/30. 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.
Wed 9/28:34 am -
2 stops34h 11m
Sat 9/193:55 pm -
2 stops40h 49m
Deal found 8/30![Etihad Airways logo]()
$1,070
This Etihad Airways deal was found by Cheapflights users on 8/28. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:01 am -
2 stops24h 54m
Wed 9/169:00 pm -
2 stops39h 27m
Deal found 8/28![Multiple Airlines logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 8/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:55 pm -
3 stops26h 40m
Wed 9/167:00 am -
2 stops27h 27m
Deal found 8/28![United Airlines logo]()
$1,161
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/103:32 pm -
3 stops30h 03m
Thu 9/173:45 pm -
3 stops30h 27m
Deal found 8/30![United Airlines logo]()
$1,169
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/148:30 am -
2 stops27h 25m
Mon 9/283:45 pm -
3 stops32h 55m
Deal found 8/31![United Airlines logo]()
$1,168
This FlightHub deal was found by Cheapflights users on 8/29. 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.
Wed 9/1611:01 am -
2 stops32h 34m
Wed 10/142:30 am -
2 stops33h 49m
Deal found 8/29![Qatar Airways logo]()
$1,060
This FlightHub deal was found by Cheapflights users on 8/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1811:01 am -
2 stops32h 34m
Sat 10/32:30 am -
2 stops30h 14m
Deal found 8/27![Qatar Airways logo]()
$1,149
This FlightHub deal was found by Cheapflights users on 8/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:01 am -
2 stops31h 19m
Fri 10/23:00 am -
2 stops29h 44m
Deal found 8/27![Qatar Airways logo]()
$1,140
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:17 pm -
3 stops34h 23m
Fri 10/21:35 am -
3 stops44h 00m
Deal found 8/27![Multiple Airlines logo]()
$1,107
This oojo deal was found by Cheapflights users on 8/30. 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.
Wed 9/305:18 pm -
2 stops42h 37m
Wed 10/79:00 pm -
2 stops27h 35m
Deal found 8/30![Etihad Airways logo]()
$1,075
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Wed 9/305:33 pm -
3 stops28h 02m
Wed 10/79:35 am -
2 stops40h 42m
Deal found 8/30![United Airlines logo]()
$1,159
One-way flights from St. Louis to SuvarnabhumiSearch for one-way flight options from St. Louis to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from St. Louis to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/30. 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.
Wed 9/302:29 pm -
2 stops45h 26m
Deal found 8/30![Multiple Airlines logo]()
$501
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am -
3 stops39h 25m
Deal found 8/31![Multiple Airlines logo]()
$504
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 10/316:02 am -
3 stops47h 53m
Deal found 8/31![Multiple Airlines logo]()
$505
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:35 pm -
2 stops53h 35m
Deal found 8/27![Multiple Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Sat 10/107:42 pm -
3 stops52h 28m
Deal found 8/28![Multiple Airlines logo]()
$525
This IEagle deal was found by Cheapflights users on 8/28. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:02 pm -
2 stops33h 08m
Deal found 8/28![Multiple Airlines logo]()
$539
This Expedia deal was found by Cheapflights users on 8/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:19 pm -
2 stops29h 36m
Deal found 8/28![Multiple Airlines logo]()
$540
This FlightHub deal was found by Cheapflights users on 8/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/41:06 pm -
2 stops34h 09m
Deal found 8/27![Qatar Airways logo]()
$549
This Expedia deal was found by Cheapflights users on 8/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am -
2 stops28h 20m
Deal found 8/28![Multiple Airlines logo]()
$554
This China Airlines deal was found by Cheapflights users on 8/31. 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.
Wed 10/288:50 pm -
2 stops28h 15m
Deal found 8/31![Multiple Airlines logo]()
$566
Find flight deals from St. Louis to Suvarnabhumi
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Suvarnabhumi (BKK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,034 (Expedia) |
One-way from | $501 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $1,365 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Suvarnabhumi 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 7,457,451 searches. Data last updated September 1, 2026.
Use the filters below to find and compare flights from St. Louis to Bangkok Suvarnabhumi Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Fri 10/16
5:00 am-11:55 pm
2 stops30h 55m
Bangkok Suvarnabhumi
Thu 10/22
3:15 am-12:19 am
2 stops33h 04m
$1,038
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Sat 10/10
7:29 am-11:55 pm
2 stops28h 26m
Bangkok Suvarnabhumi
Tue 11/10
8:30 am-12:50 pm
2 stops41h 20m
$1,038
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Tue 9/22
7:27 am-11:55 pm
2 stops28h 28m
Bangkok Suvarnabhumi
Wed 10/7
3:55 pm-8:57 pm
2 stops41h 02m
$1,038
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Sat 9/19
5:00 am-12:10 pm
2 stops43h 10m
Bangkok Suvarnabhumi
Sat 10/3
3:55 pm-1:16 pm
2 stops33h 21m
$1,038
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Mon 9/28
8:43 am-11:55 pm
2 stops27h 12m
Bangkok Suvarnabhumi
Wed 10/7
9:00 pm-12:35 pm
2 stops27h 35m
$1,038
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Wed 10/28
4:39 pm-11:30 am
3 stops30h 51m
Bangkok Suvarnabhumi
Wed 11/11
9:10 am-10:32 am
2 stops38h 22m
$1,159
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Tue 9/22
3:32 pm-9:35 am
3 stops30h 03m
Bangkok Suvarnabhumi
Wed 10/7
7:00 am-8:16 pm
2 stops25h 16m
$1,161
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Fri 9/18
5:30 pm-9:35 am
3 stops28h 05m
Bangkok Suvarnabhumi
Sun 10/4
9:35 am-12:13 pm
2 stops38h 38m
$1,209
Quickest round-trip
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Thu 1/21
3:00 pm-11:30 am
3 stops31h 30m
Bangkok Suvarnabhumi
Sat 2/6
7:10 am-4:26 pm
2 stops22h 16m
$1,211
St. LouisBangkok
STL Lambert-St Louis - BKK Bangkok Suvarnabhumi
STLBKK
Lambert-St Louis
Sat 11/14
9:40 am-11:30 am
3 stops36h 50m
Bangkok Suvarnabhumi
Tue 11/24
7:10 am-6:05 pm
2 stops23h 55m
$1,211
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Suvarnabhumi
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Suvarnabhumi in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Bangkok Suvarnabhumi Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Bangkok Suvarnabhumi Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Bangkok Suvarnabhumi Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Bangkok Suvarnabhumi Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Bangkok Suvarnabhumi Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Suvarnabhumi
Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from St. Louis with our price prediction graph.
STL-BKK
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 St. Louis to Bangkok Suvarnabhumi Airport
How far ahead should I book a flight from St. Louis to Bangkok Suvarnabhumi Airport?
To ensure you get the cheapest price possible for a flight from St. Louis to Bangkok Suvarnabhumi Airport, you should look to book at least 9 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from St. Louis to Bangkok Suvarnabhumi Airport?
Currently, August is the cheapest month in which you can book a flight from St. Louis to Bangkok Suvarnabhumi Airport (average of $979). Flying from St. Louis to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,743). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from St. Louis to Bangkok Suvarnabhumi Airport?
Airfare is below average for this route at the moment.
St. Louis to Bangkok Suvarnabhumi Airport flights typically cost between $1,115 and $1,504 in October.The cheapest round-trip price found within the last 5 days was $1,034 on Multiple Airlines (Oct 28-Nov 15).
Reviews of airlines servicing Suvarnabhumi
Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated September 1, 2026.
Peruse reviews from past customers who have flown with Japan Airlines,Delta, andCathay Pacific from St. Louis to Bangkok Suvarnabhumi Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.7
Boarding
8.4
Overall
8.3
Comfort
8.2
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Food
7.7
Boarding
8.4
Overall
8.3
Comfort
8.2
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Food
7.7
Boarding
8.4
Overall
8.3
Comfort
8.2
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Food
7.7
Boarding
8.4
Overall
8.3
Comfort
8.2
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Food
7.7
Boarding
8.4
Overall
8.3
Comfort
8.2
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Food
7.7
Boarding
8.4
Overall
8.3
Comfort
8.2
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
4.0
OkayClark,Aug 2026
BDL - ORD
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Suvarnabhumi. 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 Bangkok Suvarnabhumi Airport?
Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locationsKo Samet
Chonburi
Cha-am
Sattahip
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St. Louis and Suvarnabhumi flights
Browse other St. Louis and Suvarnabhumi flight options. Last updated on September 1, 2026.
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Top 8 airlines flying from St. Louis to Suvarnabhumi
Discover the top 8 airlines that operate flights from St. Louis to Suvarnabhumi. 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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$881 | Average$1,259 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$929 | Average$1,017 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$946 | Average$1,204 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$948 | Average$1,196 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$974 | Average$1,386 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$982 | Average$1,275 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$990 | Average$1,411 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,048 | Average$1,456 | FlexibilityNo cancel fee | On-time74% |