$416+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
Apr 6 — Apr 131
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 March 7, 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 March 7, 2026.
This oojo deal was found by Cheapflights users on 3/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:24 pm
STL
- BKK
2 stops29h 31m
Philippine Airlines
Mon 9/77:30 pm
BKK
- STL
2 stops59h 07m
Philippine Airlines
Deal found 3/4![Philippine Airlines logo]()
$826
This oojo deal was found by Cheapflights users on 3/3. 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 9/163:24 pm
STL
- BKK
2 stops32h 46m
Philippine Airlines
Wed 10/710:20 am
BKK
- STL
2 stops49h 39m
Philippine Airlines
Deal found 3/3![Philippine Airlines logo]()
$827
This SmartFares deal was found by Cheapflights users on 3/3. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:24 pm
STL
- BKK
2 stops29h 31m
Multiple Airlines
Wed 9/301:25 pm
BKK
- STL
2 stops37h 01m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$832
This oojo deal was found by Cheapflights users on 3/5. 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 10/46:41 am
STL
- BKK
2 stops38h 14m
Philippine Airlines
Sun 10/1110:20 am
BKK
- STL
2 stops49h 39m
Philippine Airlines
Deal found 3/5![Philippine Airlines logo]()
$833
This Philippine Airlines deal was found by Cheapflights users on 3/4. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:24 pm
STL
- BKK
2 stops29h 31m
Multiple Airlines
Tue 9/151:25 pm
BKK
- STL
2 stops37h 01m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$840
This Orbitz deal was found by Cheapflights users on 3/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:24 pm
STL
- BKK
2 stops32h 46m
Multiple Airlines
Wed 10/141:25 pm
BKK
- STL
2 stops37h 01m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$847
This oojo deal was found by Cheapflights users on 3/6. 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.
Fri 9/113:24 pm
STL
- BKK
2 stops32h 46m
Philippine Airlines
Wed 9/167:30 pm
BKK
- STL
2 stops54h 56m
Philippine Airlines
Deal found 3/6![Philippine Airlines logo]()
$902
This KAYAK deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:35 am
STL
- BKK
2 stops27h 35m
Cathay Pacific
Wed 9/307:35 am
BKK
- STL
2 stops26h 50m
Cathay Pacific
Deal found 3/3![Cathay Pacific logo]()
$907
This oojo deal was found by Cheapflights users on 3/3. 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.
Thu 4/26:50 pm
STL
- BKK
2 stops32h 35m
Cathay Pacific
Thu 4/97:35 am
BKK
- STL
2 stops27h 24m
Cathay Pacific
Deal found 3/3![Cathay Pacific logo]()
$908
This BusinessClass deal was found by Cheapflights users on 3/3. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:35 am
STL
- BKK
2 stops27h 35m
Cathay Pacific
Wed 9/2311:00 am
BKK
- STL
2 stops23h 25m
Cathay Pacific
Deal found 3/3![Cathay Pacific logo]()
$915
This oojo deal was found by Cheapflights users on 3/5. 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 9/56:30 am
STL
- BKK
2 stops39h 30m
Cathay Pacific
Sat 9/127:10 pm
BKK
- STL
2 stops39h 15m
Cathay Pacific
Deal found 3/5![Cathay Pacific logo]()
$916
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 March 7, 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 March 7, 2026.
This Etihad Airways deal was found by Cheapflights users on 3/4. 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.
Wed 4/19:15 am
STL
- BKK
2 stops33h 00m
Multiple Airlines
Tue 4/213:05 pm
BKK
- STL
2 stops34h 17m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$955
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/2110:00 am
STL
- BKK
3 stops35h 35m
United Airlines
Tue 4/283:45 pm
BKK
- STL
3 stops28h 40m
United Airlines
Deal found 3/7![United Airlines logo]()
$1,100
This Qatar Airways deal was found by Cheapflights users on 3/3. 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 4/2312:27 pm
STL
- BKK
2 stops30h 38m
Qatar Airways
Wed 5/137:40 pm
BKK
- STL
2 stops40h 16m
Qatar Airways
Deal found 3/3![Qatar Airways logo]()
$1,107
This Etihad Airways deal was found by Cheapflights users on 3/6. 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 4/67:05 am
STL
- BKK
2 stops35h 10m
Multiple Airlines
Wed 4/293:05 pm
BKK
- STL
2 stops34h 58m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,036
This United Airlines deal was found by Cheapflights users on 3/3. 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.
Sun 4/198:15 pm
STL
- BKK
3 stops49h 20m
United Airlines
Thu 5/147:00 am
BKK
- STL
2 stops26h 13m
United Airlines
Deal found 3/3![United Airlines logo]()
$1,108
This Qatar Airways deal was found by Cheapflights users on 3/3. 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.
Tue 4/214:30 pm
STL
- BKK
2 stops26h 35m
Qatar Airways
Sat 5/91:45 am
BKK
- STL
2 stops32h 34m
Qatar Airways
Deal found 3/3![Qatar Airways logo]()
$1,147
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/68:30 am
STL
- BKK
2 stops37h 05m
United Airlines
Wed 4/293:45 pm
BKK
- STL
3 stops40h 58m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,133
This China Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:00 am
STL
- BKK
2 stops45h 45m
Multiple Airlines
Fri 4/1710:50 am
BKK
- STL
2 stops25h 40m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$1,149
This United Airlines deal was found by Cheapflights users on 3/3. 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 3/255:55 pm
STL
- BKK
3 stops29h 30m
United Airlines
Wed 4/293:45 pm
BKK
- STL
3 stops40h 58m
United Airlines
Deal found 3/3![United Airlines logo]()
$1,200
Last-minute flights from St. Louis to SuvarnabhumiDiscover last-minute flight deals from St. Louis to Suvarnabhumi. Data last updated March 7, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Suvarnabhumi. Data last updated March 7, 2026 and is based on user searches.
This Etihad Airways deal was found by Cheapflights users on 3/6. 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 3/248:00 am
STL
- BKK
2 stops27h 25m
Multiple Airlines
Thu 4/239:00 pm
BKK
- STL
2 stops28h 22m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$976
This Etihad Airways deal was found by Cheapflights users on 3/3. 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.
Tue 3/2411:59 am
STL
- BKK
2 stops23h 26m
Multiple Airlines
Thu 4/29:00 pm
BKK
- STL
2 stops34h 30m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$977
This oojo deal was found by Cheapflights users on 3/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:50 pm
STL
- BKK
2 stops33h 15m
China Airlines
Wed 4/222:40 am
BKK
- STL
2 stops57h 19m
China Airlines
Deal found 3/4![China Airlines logo]()
$1,022
This Etihad Airways deal was found by Cheapflights users on 3/6. 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 3/257:05 am
STL
- BKK
2 stops28h 20m
Multiple Airlines
Wed 4/293:05 pm
BKK
- STL
2 stops37h 36m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,036
This oojo deal was found by Cheapflights users on 3/3. 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.
Thu 4/26:50 pm
STL
- BKK
2 stops32h 35m
Cathay Pacific
Thu 4/97:35 am
BKK
- STL
2 stops27h 24m
Cathay Pacific
Deal found 3/3![Cathay Pacific logo]()
$908
This Etihad Airways deal was found by Cheapflights users on 3/4. 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.
Wed 4/87:00 am
STL
- BKK
2 stops35h 45m
Multiple Airlines
Tue 4/213:05 pm
BKK
- STL
2 stops34h 17m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$955
This Etihad Airways deal was found by Cheapflights users on 3/4. 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.
Wed 4/157:00 am
STL
- BKK
2 stops28h 50m
Multiple Airlines
Thu 4/303:05 pm
BKK
- STL
2 stops40h 25m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$986
This oojo deal was found by Cheapflights users on 3/5. 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 4/207:00 am
STL
- BKK
2 stops42h 05m
EVA Air
Mon 5/114:45 pm
BKK
- STL
2 stops43h 14m
EVA Air
Deal found 3/5![EVA Air logo]()
$1,028
This BusinessClass deal was found by Cheapflights users on 3/3. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:54 am
STL
- BKK
2 stops27h 16m
Multiple Airlines
Tue 5/127:35 am
BKK
- STL
2 stops28h 24m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$972
This KAYAK deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:21 am
STL
- BKK
2 stops29h 49m
Cathay Pacific
Thu 5/143:00 pm
BKK
- STL
2 stops43h 59m
Cathay Pacific
Deal found 3/3![Cathay Pacific logo]()
$1,018
This Etihad Airways deal was found by Cheapflights users on 3/6. 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 4/295:51 am
STL
- BKK
2 stops29h 59m
Multiple Airlines
Wed 5/209:00 pm
BKK
- STL
2 stops34h 21m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$997
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 March 7, 2026.
Search for one-way flight options from St. Louis to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated March 7, 2026.
This oojo deal was found by Cheapflights users on 3/3. 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.
Tue 8/42:53 pm
STL
- BKK
2 stops33h 17m
Philippine Airlines
Deal found 3/3![Philippine Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:12 pm
STL
- BKK
3 stops48h 43m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$425
This BusinessClass deal was found by Cheapflights users on 3/5. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:46 pm
STL
- BKK
2 stops27h 44m
Cathay Pacific
Deal found 3/5![Cathay Pacific logo]()
$470
This Orbitz deal was found by Cheapflights users on 3/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 am
STL
- BKK
2 stops39h 40m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1610:55 am
STL
- BKK
3 stops48h 25m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$522
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:13 pm
STL
- BKK
3 stops59h 02m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$531
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:12 pm
STL
- BKK
3 stops51h 48m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$562
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:02 pm
STL
- BKK
3 stops32h 58m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$572
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:21 am
STL
- BKK
3 stops35h 19m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$578
This BusinessClass deal was found by Cheapflights users on 3/4. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:27 pm
STL
- BKK
2 stops30h 38m
Qatar Airways
Deal found 3/4![Qatar Airways logo]()
$581
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 March 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $908 (oojo) |
One-way from | $425 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,270 |
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 March 7, 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
Wed 4/1
9:15 am-6:15 am
2 stops33h 00m
Bangkok Suvarnabhumi
Tue 4/21
3:05 pm-1:22 pm
2 stops34h 17m
$955
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Mon 4/6
7:05 am-6:15 am
2 stops35h 10m
Bangkok Suvarnabhumi
Wed 4/29
3:05 pm-2:03 pm
2 stops34h 58m
$1,036
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Tue 4/21
10:00 am-9:35 am
3 stops35h 35m
Bangkok Suvarnabhumi
Tue 4/28
3:45 pm-8:25 am
3 stops28h 40m
$1,100
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Thu 4/23
12:27 pm-7:05 am
2 stops30h 38m
Bangkok Suvarnabhumi
Wed 5/13
7:40 pm-11:56 pm
2 stops40h 16m
$1,107
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Sun 4/19
8:15 pm-9:35 am
3 stops49h 20m
Bangkok Suvarnabhumi
Thu 5/14
7:00 am-9:13 pm
2 stops26h 13m
$1,108
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Mon 4/6
8:30 am-9:35 am
2 stops37h 05m
Bangkok Suvarnabhumi
Wed 4/29
3:45 pm-8:43 pm
3 stops40h 58m
$1,133
Quickest round-trip
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Tue 4/21
4:30 pm-7:05 am
2 stops26h 35m
Bangkok Suvarnabhumi
Sat 5/9
1:45 am-10:19 pm
2 stops32h 34m
$1,147
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Tue 3/17
7:00 am-4:45 pm
2 stops45h 45m
Bangkok Suvarnabhumi
Fri 4/17
10:50 am-12:30 am
2 stops25h 40m
$1,149
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Wed 3/25
5:55 pm-11:25 am
3 stops29h 30m
Bangkok Suvarnabhumi
Wed 4/29
3:45 pm-8:43 pm
3 stops40h 58m
$1,200
Cheapest one-way
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Sat 5/9
3:00 pm-4:20 pm
2 stops37h 20m
$587
Showing 1-10 of 20 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 March.
| 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 |
- 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?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Suvarnabhumi. Price data was last updated on March 6, 2026.
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 10 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 $917). Flying from St. Louis to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $1,225). 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.
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 March 7, 2026.
Peruse reviews from past customers who have flown with ANA, Japan Airlines, and Delta 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.
Crew
8.7
Comfort
8.2
Boarding
8.6
Entertainment
8.0
Overall
8.4
Food
7.8
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Crew
8.7
Comfort
8.2
Boarding
8.6
Entertainment
8.0
Overall
8.4
Food
7.8
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Crew
8.7
Comfort
8.2
Boarding
8.6
Entertainment
8.0
Overall
8.4
Food
7.8
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Crew
8.7
Comfort
8.2
Boarding
8.6
Entertainment
8.0
Overall
8.4
Food
7.8
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Crew
8.7
Comfort
8.2
Boarding
8.6
Entertainment
8.0
Overall
8.4
Food
7.8
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Crew
8.7
Comfort
8.2
Boarding
8.6
Entertainment
8.0
Overall
8.4
Food
7.8
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
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 locationsKanchanaburi
Chonburi
Cha-am
Ko Samet
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 March 7, 2026.
Other flights from St. Louis
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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 March 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$881 | Average$1,259 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$929 | Average$1,085 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$954 | Average$1,278 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$974 | Average$1,358 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$983 | Average$1,248 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,007 | Average$1,246 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,017 | Average$1,188 | FlexibilityNo cancel fee | On-time68% |