$550+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
Aug 3 — Aug 101
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Suvarnabhumi with Cheapflights
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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 July 4, 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 July 4, 2026.
This Travelocity deal was found by Cheapflights users on 7/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:04 pm
STL
- BKK
2 stops30h 46m
Multiple Airlines
Wed 12/1612:15 pm
BKK
- STL
2 stops45h 58m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,015
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:54 am
STL
- BKK
2 stops29h 01m
Etihad Airways
Wed 11/188:30 am
BKK
- STL
2 stops41h 47m
Etihad Airways
Deal found 6/29![Etihad Airways logo]()
$1,029
This oojo deal was found by Cheapflights users on 7/2. 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.
Mon 10/195:28 am
STL
- BKK
2 stops30h 27m
Etihad Airways
Mon 10/268:30 am
BKK
- STL
2 stops42h 16m
Etihad Airways
Deal found 7/2![Etihad Airways logo]()
$1,031
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:34 am
STL
- BKK
2 stops27h 21m
Multiple Airlines
Wed 8/263:55 pm
BKK
- STL
2 stops36h 28m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,037
This Etihad Airways deal was found by Cheapflights users on 7/3. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:21 pm
STL
- BKK
2 stops30h 49m
Multiple Airlines
Tue 11/108:50 pm
BKK
- STL
2 stops37h 18m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,038
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:16 am
STL
- BKK
2 stops28h 39m
Multiple Airlines
Wed 10/213:15 am
BKK
- STL
2 stops29h 53m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,094
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:31 am
STL
- BKK
2 stops31h 04m
Multiple Airlines
Fri 11/272:40 pm
BKK
- STL
2 stops40h 14m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,098
This Etihad Airways deal was found by Cheapflights users on 7/4. 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 8/276:00 am
STL
- BKK
2 stops36h 45m
Multiple Airlines
Fri 9/113:55 pm
BKK
- STL
2 stops36h 53m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,100
This Trip.com deal was found by Cheapflights users on 7/2. 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.
Mon 8/178:08 pm
STL
- BKK
3 stops40h 32m
Multiple Airlines
Fri 8/213:15 am
BKK
- STL
3 stops51h 58m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,124
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 July 4, 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 July 4, 2026.
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:06 pm
STL
- BKK
2 stops29h 39m
Multiple Airlines
Sun 10/258:50 pm
BKK
- STL
2 stops36h 18m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,037
This Qatar Airways deal was found by Cheapflights users on 7/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:01 am
STL
- BKK
2 stops32h 34m
Qatar Airways
Sun 9/133:00 am
BKK
- STL
2 stops33h 27m
Qatar Airways
Deal found 7/3![Qatar Airways logo]()
$1,290
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:08 pm
STL
- BKK
3 stops34h 22m
United Airlines
Wed 11/119:10 am
BKK
- STL
2 stops26h 00m
United Airlines
Deal found 6/30![United Airlines logo]()
$1,367
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:54 am
STL
- BKK
2 stops33h 51m
Multiple Airlines
Sun 10/183:55 pm
BKK
- STL
2 stops35h 50m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,037
This Etihad Airways deal was found by Cheapflights users on 7/3. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:31 am
STL
- BKK
2 stops31h 14m
Multiple Airlines
Fri 10/233:15 am
BKK
- STL
2 stops29h 58m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,038
This Etihad Airways deal was found by Cheapflights users on 7/2. 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 11/79:12 am
STL
- BKK
2 stops37h 33m
Multiple Airlines
Sun 11/228:50 pm
BKK
- STL
2 stops40h 08m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 7/4. 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 11/11:39 pm
STL
- BKK
3 stops32h 51m
United Airlines
Sun 11/87:10 am
BKK
- STL
2 stops27h 03m
United Airlines
Deal found 7/4![United Airlines logo]()
$1,368
This Etihad Airways deal was found by Cheapflights users on 7/4. 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 11/15:00 am
STL
- BKK
2 stops29h 20m
Multiple Airlines
Sun 11/88:50 pm
BKK
- STL
2 stops40h 08m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/299:06 am
STL
- BKK
2 stops26h 49m
United Airlines
Tue 8/187:00 am
BKK
- STL
2 stops43h 57m
United Airlines
Deal found 7/2![United Airlines logo]()
$1,373
This China Airlines deal was found by Cheapflights users on 7/3. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:45 pm
STL
- BKK
2 stops25h 00m
Multiple Airlines
Fri 8/2110:50 am
BKK
- STL
2 stops25h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,315
This China Airlines deal was found by Cheapflights users on 7/3. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:56 pm
STL
- BKK
2 stops25h 49m
Multiple Airlines
Wed 8/1910:50 am
BKK
- STL
2 stops23h 45m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,349
Last-minute flights from St. Louis to SuvarnabhumiDiscover last-minute flight deals from St. Louis to Suvarnabhumi. Data last updated July 4, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Suvarnabhumi. Data last updated July 4, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 7/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:10 pm
STL
- BKK
2 stops28h 55m
Air Canada
Mon 8/177:45 am
BKK
- STL
2 stops46h 57m
Air Canada
Deal found 7/3![Air Canada logo]()
$1,334
This China Airlines deal was found by Cheapflights users on 7/4. 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.
Sat 8/87:56 pm
STL
- BKK
2 stops25h 49m
Multiple Airlines
Wed 8/1910:50 am
BKK
- STL
2 stops23h 45m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,332
This China Airlines deal was found by Cheapflights users on 7/3. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:45 pm
STL
- BKK
2 stops25h 00m
Multiple Airlines
Fri 8/2110:50 am
BKK
- STL
2 stops25h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,315
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.
Sun 8/169:15 pm
STL
- BKK
2 stops31h 05m
Multiple Airlines
Sat 8/222:40 am
BKK
- STL
2 stops32h 20m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$1,298
This Trip.com deal was found by Cheapflights users on 7/2. 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.
Mon 8/178:08 pm
STL
- BKK
3 stops40h 32m
Multiple Airlines
Fri 8/213:15 am
BKK
- STL
3 stops51h 58m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,124
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:34 am
STL
- BKK
2 stops27h 21m
Multiple Airlines
Wed 8/263:55 pm
BKK
- STL
2 stops36h 28m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,037
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
STL
- BKK
2 stops43h 25m
Qatar Airways
Thu 9/33:00 am
BKK
- STL
2 stops28h 27m
Qatar Airways
Deal found 6/30![Qatar Airways logo]()
$1,274
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:54 am
STL
- BKK
2 stops29h 01m
Etihad Airways
Wed 11/188:30 am
BKK
- STL
2 stops41h 47m
Etihad Airways
Deal found 6/29![Etihad Airways logo]()
$1,029
This Etihad Airways deal was found by Cheapflights users on 7/4. 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 8/276:00 am
STL
- BKK
2 stops36h 45m
Multiple Airlines
Fri 9/113:55 pm
BKK
- STL
2 stops36h 53m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,100
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:34 am
STL
- BKK
2 stops27h 21m
Multiple Airlines
Fri 9/253:15 am
BKK
- STL
2 stops33h 12m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,038
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 July 4, 2026.
Search for one-way flight options from St. Louis to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated July 4, 2026.
This oojo deal was found by Cheapflights users on 7/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:29 am
STL
- BKK
2 stops29h 06m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/38:08 pm
STL
- BKK
3 stops50h 32m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$603
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:02 am
STL
- BKK
2 stops29h 33m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$627
This oojo deal was found by Cheapflights users on 7/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:02 am
STL
- BKK
2 stops29h 33m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$641
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:10 pm
STL
- BKK
2 stops28h 55m
Air Canada
Deal found 6/30![Air Canada logo]()
$672
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Wed 7/221:13 pm
STL
- BKK
3 stops32h 22m
United Airlines
Deal found 7/3![United Airlines logo]()
$764
This Ovago deal was found by Cheapflights users on 7/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:40 pm
STL
- BKK
1 stop28h 55m
Air China
Deal found 7/3![Air China logo]()
$834
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:59 pm
STL
- BKK
3 stops32h 36m
United Airlines
Deal found 7/1![United Airlines logo]()
$863
This Ovago deal was found by Cheapflights users on 7/2. 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.
Mon 8/35:10 am
STL
- BKK
1 stop35h 55m
ANA
Deal found 7/2![ANA logo]()
$1,539
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 July 4, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,015 (Travelocity) |
One-way from | $550 (oojo) |
Popular in | December |
Cheapest in | August |
Average price | $1,391 |
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 July 4, 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
Sat 10/17
1:06 pm-6:45 am
2 stops29h 39m
Bangkok Suvarnabhumi
Sun 10/25
8:50 pm-9:08 pm
2 stops36h 18m
$1,037
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Sat 10/3
8:54 am-6:45 am
2 stops33h 51m
Bangkok Suvarnabhumi
Sun 10/18
3:55 pm-3:45 pm
2 stops35h 50m
$1,037
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Sun 10/11
11:31 am-6:45 am
2 stops31h 14m
Bangkok Suvarnabhumi
Fri 10/23
3:15 am-9:13 pm
2 stops29h 58m
$1,038
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Sat 11/7
9:12 am-11:45 am
2 stops37h 33m
Bangkok Suvarnabhumi
Sun 11/22
8:50 pm-11:58 pm
2 stops40h 08m
$1,038
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Sun 11/1
5:00 am-11:20 pm
2 stops29h 20m
Bangkok Suvarnabhumi
Sun 11/8
8:50 pm-11:58 pm
2 stops40h 08m
$1,038
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Thu 9/10
11:01 am-7:35 am
2 stops32h 34m
Bangkok Suvarnabhumi
Sun 9/13
3:00 am-12:27 am
2 stops33h 27m
$1,290
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Wed 8/12
8:45 pm-9:45 am
2 stops25h 00m
Bangkok Suvarnabhumi
Fri 8/21
10:50 am-11:50 pm
2 stops25h 00m
$1,315
Quickest round-trip
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Sat 8/8
7:56 pm-9:45 am
2 stops25h 49m
Bangkok Suvarnabhumi
Wed 8/19
10:50 am-10:35 pm
2 stops23h 45m
$1,349
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Wed 10/28
1:08 pm-11:30 am
3 stops34h 22m
Bangkok Suvarnabhumi
Wed 11/11
9:10 am-10:10 pm
2 stops26h 00m
$1,367
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Sun 11/1
1:39 pm-11:30 am
3 stops32h 51m
Bangkok Suvarnabhumi
Sun 11/8
7:10 am-9:13 pm
2 stops27h 03m
$1,368
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 July.
| 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Bangkok Suvarnabhumi Airport flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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 $1,684). 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 July 4, 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.
Boarding
8.4
Food
7.7
Comfort
8.2
Crew
8.7
Overall
8.3
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Boarding
8.4
Food
7.7
Comfort
8.2
Crew
8.7
Overall
8.3
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Boarding
8.4
Food
7.7
Comfort
8.2
Crew
8.7
Overall
8.3
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Boarding
8.4
Food
7.7
Comfort
8.2
Crew
8.7
Overall
8.3
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Boarding
8.4
Food
7.7
Comfort
8.2
Crew
8.7
Overall
8.3
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
Boarding
8.4
Food
7.7
Comfort
8.2
Crew
8.7
Overall
8.3
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentNymo,Nov 2025
NRT - BKK
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
Pak Chong
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St. Louis and Suvarnabhumi flights
Browse other St. Louis and Suvarnabhumi flight options. Last updated on July 4, 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 July 4, 2026.
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 2,558,603 searches. Data last updated July 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$881 | Average$1,180 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$929 | Average$1,106 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$946 | Average$1,204 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$954 | Average$1,274 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$974 | Average$1,299 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$982 | Average$1,234 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,007 | Average$1,289 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,048 | Average$1,456 | FlexibilityNo cancel fee | On-time74% |