$540+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
May 23 — May 301
Round-trip
1 adult, Economy
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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 April 23, 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 April 23, 2026.
This Etihad Airways deal was found by Cheapflights users on 4/21. 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 6/299:39 am
STL
- BKK
2 stops32h 36m
Multiple Airlines
Mon 7/133:15 am
BKK
- STL
2 stops28h 05m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$967
This Fareboom deal was found by Cheapflights users on 4/21. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:38 am
STL
- BKK
2 stops28h 12m
Etihad Airways
Sat 10/103:05 pm
BKK
- STL
2 stops44h 26m
Etihad Airways
Deal found 4/21![Etihad Airways logo]()
$969
This Etihad Airways deal was found by Cheapflights users on 4/21. 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 5/49:10 am
STL
- BKK
2 stops33h 35m
Multiple Airlines
Mon 5/189:00 pm
BKK
- STL
2 stops34h 59m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$976
This Etihad Airways deal was found by Cheapflights users on 4/19. 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.
Wed 4/2911:45 am
STL
- BKK
2 stops31h 00m
Multiple Airlines
Wed 5/209:00 pm
BKK
- STL
2 stops34h 21m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$993
This Fareboom deal was found by Cheapflights users on 4/22. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:44 am
STL
- BKK
2 stops28h 06m
Etihad Airways
Thu 9/173:05 pm
BKK
- STL
2 stops43h 19m
Etihad Airways
Deal found 4/22![Etihad Airways logo]()
$999
This Etihad Airways deal was found by Cheapflights users on 4/23. 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 5/48:54 am
STL
- BKK
2 stops33h 51m
Multiple Airlines
Wed 5/209:00 pm
BKK
- STL
2 stops34h 21m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,006
This Etihad Airways deal was found by Cheapflights users on 4/19. 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 8/207:23 am
STL
- BKK
2 stops35h 22m
Multiple Airlines
Wed 11/188:50 pm
BKK
- STL
2 stops34h 04m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,009
This Etihad Airways deal was found by Cheapflights users on 4/20. 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 10/102:47 pm
STL
- BKK
2 stops33h 03m
Multiple Airlines
Tue 11/102:40 pm
BKK
- STL
2 stops37h 13m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,069
This Etihad Airways deal was found by Cheapflights users on 4/22. 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.
Wed 9/26:54 am
STL
- BKK
2 stops28h 56m
Multiple Airlines
Fri 9/183:15 am
BKK
- STL
2 stops32h 05m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,099
This oojo deal was found by Cheapflights users on 4/19. 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 11/56:00 am
STL
- BKK
2 stops35h 40m
Qatar Airways
Tue 11/172:00 am
BKK
- STL
2 stops34h 56m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,108
This FlightHub deal was found by Cheapflights users on 4/22. 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 11/33:23 pm
STL
- BKK
2 stops25h 52m
Qatar Airways
Fri 11/136:55 pm
BKK
- STL
2 stops37h 32m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,110
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 April 23, 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 April 23, 2026.
This Etihad Airways deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:38 am
STL
- BKK
2 stops26h 12m
Multiple Airlines
Sat 10/243:05 pm
BKK
- STL
2 stops39h 57m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,009
This Qatar Airways deal was found by Cheapflights users on 4/21. 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 9/109:46 am
STL
- BKK
2 stops39h 09m
Qatar Airways
Mon 9/148:00 pm
BKK
- STL
2 stops39h 20m
Qatar Airways
Deal found 4/21![Qatar Airways logo]()
$1,303
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 7/125:33 pm
STL
- BKK
3 stops28h 02m
United Airlines
Sun 7/199:35 am
BKK
- STL
2 stops38h 36m
United Airlines
Deal found 4/22![United Airlines logo]()
$1,782
This Etihad Airways deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:32 pm
STL
- BKK
2 stops31h 18m
Multiple Airlines
Tue 11/108:50 pm
BKK
- STL
2 stops35h 37m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,069
This Etihad Airways deal was found by Cheapflights users on 4/19. 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 8/1010:22 am
STL
- BKK
2 stops25h 28m
Multiple Airlines
Mon 8/313:05 pm
BKK
- STL
2 stops34h 01m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,149
This United Airlines deal was found by Cheapflights users on 4/21. 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 9/21:36 pm
STL
- BKK
3 stops31h 59m
United Airlines
Sat 9/197:00 am
BKK
- STL
2 stops24h 31m
United Airlines
Deal found 4/21![United Airlines logo]()
$1,785
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:27 pm
STL
- BKK
3 stops32h 08m
United Airlines
Tue 11/104:55 pm
BKK
- STL
3 stops28h 42m
United Airlines
Deal found 4/18![United Airlines logo]()
$1,793
This United Airlines deal was found by Cheapflights users on 4/22. 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 9/1011:10 am
STL
- BKK
3 stops34h 25m
United Airlines
Mon 9/147:00 am
BKK
- STL
2 stops29h 30m
United Airlines
Deal found 4/22![United Airlines logo]()
$1,795
Last-minute flights from St. Louis to SuvarnabhumiDiscover last-minute flight deals from St. Louis to Suvarnabhumi. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Suvarnabhumi. Data last updated April 23, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:38 pm
STL
- BKK
2 stops34h 37m
Qatar Airways
Fri 4/247:45 pm
BKK
- STL
2 stops40h 14m
Qatar Airways
Deal found 4/18![Qatar Airways logo]()
$1,302
This Fareboom deal was found by Cheapflights users on 4/21. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:30 pm
STL
- BKK
2 stops32h 35m
Qatar Airways
Sat 5/22:30 am
BKK
- STL
2 stops32h 29m
Qatar Airways
Deal found 4/21![Qatar Airways logo]()
$1,199
This Priceline deal was found by Cheapflights users on 4/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/264:30 pm
STL
- BKK
2 stops26h 20m
Qatar Airways
Tue 4/287:00 pm
BKK
- STL
2 stops40h 59m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,259
This Etihad Airways deal was found by Cheapflights users on 4/19. 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.
Wed 4/2911:45 am
STL
- BKK
2 stops31h 00m
Multiple Airlines
Wed 5/209:00 pm
BKK
- STL
2 stops34h 21m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$993
This oojo deal was found by Cheapflights users on 4/19. 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 4/305:20 am
STL
- BKK
2 stops37h 30m
Qatar Airways
Thu 5/212:30 am
BKK
- STL
2 stops30h 00m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,127
This IEagle deal was found by Cheapflights users on 4/19. 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.
Thu 4/307:12 am
STL
- BKK
2 stops35h 38m
Qatar Airways
Thu 5/72:30 am
BKK
- STL
2 stops31h 49m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,128
This oojo deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:30 pm
STL
- BKK
2 stops26h 20m
Qatar Airways
Sat 5/167:40 pm
BKK
- STL
2 stops38h 39m
Qatar Airways
Deal found 4/18![Qatar Airways logo]()
$1,170
This FlightHub deal was found by Cheapflights users on 4/20. 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 5/22:33 pm
STL
- BKK
2 stops28h 22m
Qatar Airways
Thu 5/77:00 pm
BKK
- STL
2 stops39h 59m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,328
This Etihad Airways deal was found by Cheapflights users on 4/21. 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 5/49:10 am
STL
- BKK
2 stops33h 35m
Multiple Airlines
Mon 5/189:00 pm
BKK
- STL
2 stops34h 59m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$976
This Etihad Airways deal was found by Cheapflights users on 4/23. 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 5/48:54 am
STL
- BKK
2 stops33h 51m
Multiple Airlines
Wed 5/209:00 pm
BKK
- STL
2 stops34h 21m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,006
This Etihad Airways deal was found by Cheapflights users on 4/19. 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 5/95:51 am
STL
- BKK
2 stops36h 54m
Multiple Airlines
Fri 5/229:00 pm
BKK
- STL
2 stops35h 30m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,197
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 April 23, 2026.
Search for one-way flight options from St. Louis to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This oojo deal was found by Cheapflights users on 4/21. 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 9/133:17 pm
STL
- BKK
2 stops29h 38m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$540
This IEagle deal was found by Cheapflights users on 4/20. 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.
Tue 9/159:46 am
STL
- BKK
2 stops32h 34m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$566
This oojo deal was found by Cheapflights users on 4/19. 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 8/121:37 pm
STL
- BKK
2 stops35h 18m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$576
This IEagle deal was found by Cheapflights users on 4/19. 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.
Mon 9/145:11 pm
STL
- BKK
2 stops31h 44m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$602
This Etihad Airways deal was found by Cheapflights users on 4/19. 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 6/299:39 am
STL
- BKK
2 stops33h 06m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 7/153:33 pm
STL
- BKK
2 stops44h 02m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$642
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 9/155:59 pm
STL
- BKK
3 stops50h 56m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$650
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 9/145:59 pm
STL
- BKK
3 stops41h 01m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$651
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 9/166:00 am
STL
- BKK
3 stops38h 55m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$714
This Ovago deal was found by Cheapflights users on 4/20. 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 9/165:10 am
STL
- BKK
1 stop35h 55m
ANA
Deal found 4/20![ANA logo]()
$715
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 April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $967 (Etihad Airways) |
One-way from | $540 (oojo) |
Popular in | December |
Cheapest in | February |
Average price | $1,196 |
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 2,558,603 searches. Data last updated April 23, 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 - BKK
STLBKK
Lambert-St Louis
Sun 10/11
9:38 am-11:50 pm
2 stops26h 12m
Bangkok Suvarnabhumi
Sat 10/24
3:05 pm-7:02 pm
2 stops39h 57m
$1,009
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Sat 10/10
4:32 pm-11:50 am
2 stops31h 18m
Bangkok Suvarnabhumi
Tue 11/10
8:50 pm-7:27 pm
2 stops35h 37m
$1,069
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Mon 8/10
10:22 am-11:50 pm
2 stops25h 28m
Bangkok Suvarnabhumi
Mon 8/31
3:05 pm-1:06 pm
2 stops34h 01m
$1,149
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Thu 9/10
9:46 am-12:55 pm
2 stops39h 09m
Bangkok Suvarnabhumi
Mon 9/14
8:00 pm-11:20 pm
2 stops39h 20m
$1,303
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Sun 7/12
5:33 pm-9:35 am
3 stops28h 02m
Bangkok Suvarnabhumi
Sun 7/19
9:35 am-12:11 pm
2 stops38h 36m
$1,782
Quickest round-trip
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Wed 9/2
1:36 pm-9:35 am
3 stops31h 59m
Bangkok Suvarnabhumi
Sat 9/19
7:00 am-7:31 pm
2 stops24h 31m
$1,785
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Sat 10/10
1:27 pm-9:35 am
3 stops32h 08m
Bangkok Suvarnabhumi
Tue 11/10
4:55 pm-8:37 am
3 stops28h 42m
$1,793
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Thu 9/10
11:10 am-9:35 am
3 stops34h 25m
Bangkok Suvarnabhumi
Mon 9/14
7:00 am-12:30 am
2 stops29h 30m
$1,795
Cheapest one-way
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Wed 8/12
1:37 pm-12:55 pm
2 stops35h 18m
$576
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Mon 6/29
9:39 am-6:45 am
2 stops33h 06m
$610
Showing 1-10 of 18 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 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, February is the cheapest month in which you can book a flight from St. Louis to Bangkok Suvarnabhumi Airport (average of $1,017). Flying from St. Louis to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,739). 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?
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 April 23, 2026.
Peruse reviews from past customers who have flown with ANA,Japan Airlines, andDelta 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.
Overall
8.4
Food
7.8
Boarding
8.5
Crew
8.7
Entertainment
8.0
Comfort
8.2
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
EWR - NRT
Overall
8.4
Food
7.8
Boarding
8.5
Crew
8.7
Entertainment
8.0
Comfort
8.2
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
EWR - NRT
Overall
8.4
Food
7.8
Boarding
8.5
Crew
8.7
Entertainment
8.0
Comfort
8.2
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
EWR - NRT
Overall
8.4
Food
7.8
Boarding
8.5
Crew
8.7
Entertainment
8.0
Comfort
8.2
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
EWR - NRT
Overall
8.4
Food
7.8
Boarding
8.5
Crew
8.7
Entertainment
8.0
Comfort
8.2
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
EWR - NRT
Overall
8.4
Food
7.8
Boarding
8.5
Crew
8.7
Entertainment
8.0
Comfort
8.2
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
EWR - NRT
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
Kanchanaburi
Chonburi
Cha-am
Sattahip
Pak Chong
Ko Lan
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St. Louis and Suvarnabhumi flights
Browse other St. Louis and Suvarnabhumi flight options. Last updated on April 23, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on April 23, 2026.
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Other flights to Suvarnabhumi
Explore flights to Suvarnabhumi departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 23, 2026.
Top 7 airlines flying from St. Louis to Suvarnabhumi
Discover the top 7 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 2,558,603 searches. Data last updated April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$881 | Average$1,248 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$929 | Average$1,087 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$954 | Average$1,278 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$974 | Average$1,292 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$983 | Average$1,240 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,007 | Average$1,260 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,094 | Average$1,188 | FlexibilityNo cancel fee | On-time68% |