$465+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BKK
Mar 6 — Mar 131
1 adult, Economy
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Find cheap flights from St. Louis to Suvarnabhumi with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Suvarnabhumi
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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 February 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 February 4, 2026.
This oojo deal was found by Cheapflights users on 2/3. 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 3/46:00 am
STL
- BKK
2 stops29h 15m
Cathay Pacific
Wed 4/17:35 am
BKK
- STL
2 stops28h 23m
Cathay Pacific
Deal found 2/3![Cathay Pacific logo]()
$901
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:19 pm
STL
- BKK
2 stops41h 41m
Cathay Pacific
Wed 4/2211:00 am
BKK
- STL
2 stops23h 59m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$903
This oojo deal was found by Cheapflights users on 2/2. 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 3/26:38 am
STL
- BKK
2 stops28h 37m
Cathay Pacific
Mon 3/93:05 pm
BKK
- STL
2 stops44h 53m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$916
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK 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 9/125:30 pm
BKK
- STL
2 stops40h 55m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$936
This KAYAK deal was found by Cheapflights users on 2/3. 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.
Fri 4/1012:25 pm
STL
- BKK
2 stops23h 45m
Cathay Pacific
Sat 4/184:25 pm
BKK
- STL
2 stops41h 52m
Cathay Pacific
Deal found 2/3![Cathay Pacific logo]()
$938
This oojo deal was found by Cheapflights users on 2/2. 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.
Wed 8/127:46 pm
STL
- BKK
2 stops26h 14m
Cathay Pacific
Thu 9/37:10 pm
BKK
- STL
2 stops36h 04m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$951
This Cathay Pacific deal was found by Cheapflights users on 2/3. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/112:05 pm
STL
- BKK
2 stops40h 25m
Multiple Airlines
Thu 4/307:35 am
BKK
- STL
2 stops28h 22m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$953
This oojo deal was found by Cheapflights users on 2/1. 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.
Mon 3/22:47 pm
STL
- BKK
2 stops36h 58m
China Airlines
Mon 3/910:55 am
BKK
- STL
2 stops38h 56m
China Airlines
Deal found 2/1![China Airlines logo]()
$958
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:00 am
STL
- BKK
2 stops28h 15m
Cathay Pacific
Thu 12/311:40 am
BKK
- STL
2 stops23h 45m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$961
This oojo deal was found by Cheapflights users on 2/2. 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.
Sat 10/107:47 pm
STL
- BKK
2 stops26h 13m
Cathay Pacific
Tue 11/107:55 am
BKK
- STL
2 stops28h 47m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$966
This oojo deal was found by Cheapflights users on 2/1. 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.
Sun 10/48:07 pm
STL
- BKK
2 stops40h 03m
Cathay Pacific
Sun 11/17:15 pm
BKK
- STL
2 stops41h 27m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$970
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 February 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 February 4, 2026.
This oojo deal was found by Cheapflights users on 2/2. 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.
Wed 4/16:50 pm
STL
- BKK
2 stops35h 10m
Cathay Pacific
Thu 4/307:35 am
BKK
- STL
2 stops28h 22m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$901
This Cathay Pacific deal was found by Cheapflights users on 2/3. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/112:05 pm
STL
- BKK
2 stops40h 25m
Multiple Airlines
Thu 4/307:35 am
BKK
- STL
2 stops28h 22m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$953
This United Airlines deal was found by Cheapflights users on 2/1. 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 4/157:45 am
STL
- BKK
3 stops37h 50m
United Airlines
Wed 4/223:45 pm
BKK
- STL
3 stops29h 40m
United Airlines
Deal found 2/1![United Airlines logo]()
$1,000
This oojo deal was found by Cheapflights users on 2/2. 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 3/26:38 am
STL
- BKK
2 stops39h 37m
Cathay Pacific
Mon 3/97:15 pm
BKK
- STL
2 stops40h 43m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$916
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/28:41 am
STL
- BKK
3 stops37h 44m
United Airlines
Mon 3/94:55 pm
BKK
- STL
3 stops28h 26m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,000
This China Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 4/134:20 pm
STL
- BKK
2 stops29h 25m
Multiple Airlines
Mon 4/201:20 pm
BKK
- STL
3 stops37h 30m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,020
This oojo deal was found by Cheapflights users on 2/2. 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.
Thu 3/196:38 am
STL
- BKK
2 stops40h 02m
Cathay Pacific
Sat 3/287:15 pm
BKK
- STL
2 stops49h 40m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$983
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 4/138:54 am
STL
- BKK
3 stops36h 41m
United Airlines
Mon 4/203:45 pm
BKK
- STL
2 stops26h 05m
United Airlines
Deal found 2/1![United Airlines logo]()
$1,009
This China Airlines deal was found by Cheapflights users on 2/2. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:55 am
STL
- BKK
2 stops38h 55m
Multiple Airlines
Sun 3/85:50 pm
BKK
- STL
2 stops29h 05m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,074
This China Airlines deal was found by Cheapflights users on 2/2. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:35 am
STL
- BKK
2 stops43h 45m
Multiple Airlines
Tue 4/2110:50 am
BKK
- STL
3 stops40h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,100
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 3/269:00 am
STL
- BKK
3 stops38h 25m
United Airlines
Mon 3/303:45 pm
BKK
- STL
3 stops41h 09m
United Airlines
Deal found 2/3![United Airlines logo]()
$1,100
Last-minute flights from St. Louis to SuvarnabhumiDiscover last-minute flight deals from St. Louis to Suvarnabhumi. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Suvarnabhumi. Data last updated February 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/46:35 am
STL
- BKK
2 stops41h 50m
Delta
Wed 2/1111:15 pm
BKK
- STL
2 stops37h 08m
Delta
Deal found 2/1![Delta logo]()
$980
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/15:50 pm
STL
- BKK
2 stops41h 55m
Delta
Tue 3/1012:55 am
BKK
- STL
2 stops35h 03m
Delta
Deal found 2/1![Delta logo]()
$986
This oojo deal was found by Cheapflights users on 2/2. 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 3/26:38 am
STL
- BKK
2 stops39h 37m
Cathay Pacific
Mon 3/97:15 pm
BKK
- STL
2 stops40h 43m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$916
This oojo deal was found by Cheapflights users on 2/1. 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.
Mon 3/22:47 pm
STL
- BKK
2 stops36h 58m
China Airlines
Mon 3/910:55 am
BKK
- STL
2 stops38h 56m
China Airlines
Deal found 2/1![China Airlines logo]()
$958
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/28:41 am
STL
- BKK
3 stops37h 44m
United Airlines
Mon 3/94:55 pm
BKK
- STL
3 stops28h 26m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,000
This oojo deal was found by Cheapflights users on 2/3. 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 3/46:00 am
STL
- BKK
2 stops29h 15m
Cathay Pacific
Wed 4/17:35 am
BKK
- STL
2 stops28h 23m
Cathay Pacific
Deal found 2/3![Cathay Pacific logo]()
$901
This Ovago deal was found by Cheapflights users on 2/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:50 pm
STL
- BKK
2 stops28h 25m
Cathay Pacific
Wed 3/257:15 pm
BKK
- STL
2 stops34h 45m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$981
This oojo deal was found by Cheapflights users on 2/2. 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.
Thu 3/196:38 am
STL
- BKK
2 stops40h 02m
Cathay Pacific
Sat 3/287:15 pm
BKK
- STL
2 stops49h 40m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$983
This oojo deal was found by Cheapflights users on 2/3. 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 3/2610:33 am
STL
- BKK
2 stops37h 32m
Cathay Pacific
Mon 3/305:30 pm
BKK
- STL
2 stops42h 28m
Cathay Pacific
Deal found 2/3![Cathay Pacific logo]()
$976
This oojo deal was found by Cheapflights users on 2/1. 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.
Sat 3/286:50 pm
STL
- BKK
2 stops35h 10m
Cathay Pacific
Sun 4/2611:00 am
BKK
- STL
2 stops44h 34m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$1,020
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 February 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 February 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:16 pm
STL
- BKK
3 stops39h 54m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:56 pm
STL
- BKK
2 stops52h 14m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$494
This oojo deal was found by Cheapflights users on 2/2. 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.
Sun 3/156:38 am
STL
- BKK
2 stops40h 02m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$500
This Trip.com deal was found by Cheapflights users on 2/2. 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.
Sat 8/17:30 pm
STL
- BKK
2 stops39h 55m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$529
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sun 3/158:06 pm
STL
- BKK
3 stops51h 09m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$532
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:30 am
STL
- BKK
2 stops42h 45m
Delta
Deal found 2/3![Delta logo]()
$657
This United Airlines deal was found by Cheapflights users on 2/2. 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 7/11:13 pm
STL
- BKK
3 stops32h 22m
United Airlines
Deal found 2/2![United Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 6/297:06 pm
STL
- BKK
2 stops40h 49m
United Airlines
Deal found 2/3![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Sat 8/16:00 am
STL
- BKK
3 stops63h 35m
United Airlines
Deal found 2/2![United Airlines logo]()
$849
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 February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $901 (oojo) |
One-way from | $465 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $1,115 |
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 February 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
St. Louis
Fly to
Suvarnabhumi
Route
Depart
Return
Price
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Wed 4/1
6:50 pm-6:00 pm
2 stops35h 10m
Bangkok Suvarnabhumi
Thu 4/30
7:35 am-11:57 pm
2 stops28h 22m
$901
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Mon 3/2
6:38 am-11:15 am
2 stops39h 37m
Bangkok Suvarnabhumi
Mon 3/9
7:15 pm-11:58 pm
2 stops40h 43m
$916
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Wed 4/1
12:05 pm-4:30 pm
2 stops40h 25m
Bangkok Suvarnabhumi
Thu 4/30
7:35 am-11:57 pm
2 stops28h 22m
$953
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Thu 3/19
6:38 am-10:40 am
2 stops40h 02m
Bangkok Suvarnabhumi
Sat 3/28
7:15 pm-8:55 am
2 stops49h 40m
$983
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Wed 4/15
7:45 am-9:35 am
3 stops37h 50m
Bangkok Suvarnabhumi
Wed 4/22
3:45 pm-9:25 am
3 stops29h 40m
$1,000
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Mon 3/2
8:41 am-11:25 am
3 stops37h 44m
Bangkok Suvarnabhumi
Mon 3/9
4:55 pm-9:21 am
3 stops28h 26m
$1,000
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Mon 4/13
8:54 am-9:35 am
3 stops36h 41m
Bangkok Suvarnabhumi
Mon 4/20
3:45 pm-5:50 am
2 stops26h 05m
$1,009
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Mon 4/13
4:20 pm-9:45 am
2 stops29h 25m
Bangkok Suvarnabhumi
Mon 4/20
1:20 pm-2:50 pm
3 stops37h 30m
$1,020
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Wed 2/25
5:55 am-9:50 am
2 stops38h 55m
Bangkok Suvarnabhumi
Sun 3/8
5:50 pm-10:55 am
2 stops29h 05m
$1,074
St. LouisBangkok
STL - BKK
STLBKK
Lambert-St Louis
Wed 4/8
8:35 am-4:20 pm
2 stops43h 45m
Bangkok Suvarnabhumi
Tue 4/21
10:50 am-2:50 pm
3 stops40h 00m
$1,100
Showing 1-10 of 19 results
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 February.
| 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 January 30, 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, March is the cheapest month in which you can book a flight from St. Louis to Bangkok Suvarnabhumi Airport (average of $892). Flying from St. Louis to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $1,227). 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 February 4, 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.
Comfort
8.2
Food
7.8
Overall
8.4
Boarding
8.6
Entertainment
7.9
Crew
8.7
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Comfort
8.2
Food
7.8
Overall
8.4
Boarding
8.6
Entertainment
7.9
Crew
8.7
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Comfort
8.2
Food
7.8
Overall
8.4
Boarding
8.6
Entertainment
7.9
Crew
8.7
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Comfort
8.2
Food
7.8
Overall
8.4
Boarding
8.6
Entertainment
7.9
Crew
8.7
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Comfort
8.2
Food
7.8
Overall
8.4
Boarding
8.6
Entertainment
7.9
Crew
8.7
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Comfort
8.2
Food
7.8
Overall
8.4
Boarding
8.6
Entertainment
7.9
Crew
8.7
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 locationsSattahip
Chonburi
Kanchanaburi
Cha-am
Ko Samet
Pak Chong
Ko Lan
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St. Louis and Suvarnabhumi flights
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Top 9 airlines flying from St. Louis to Suvarnabhumi
Discover the top 9 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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$881 | Average$1,379 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$954 | Average$1,279 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$966 | Average$1,131 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$979 | Average$1,341 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$984 | Average$1,232 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,007 | Average$1,241 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,094 | Average$1,188 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,280 | Average$1,806 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,356 | Average$1,458 | FlexibilityNo cancel fee | On-time76% |