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Cheap flights from Bangkok Suvarnabhumi Airport to St. Louis from $638

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok Suvarnabhumi Airport to St. Louis departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Bangkok Suvarnabhumi Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:50 pm - 1:52 pm
BKK
-
STL
56h 02m
2 stops
Multiple Airlines Logo
7:56 pm - 12:00 pm
STL
-
BKK
28h 04m
2 stops
$1,266Multiple Airlines
Sat, Jul 4 - Mon, Jul 13
Austrian Airlines Logo
11:40 pm - 11:44 pm
BKK
-
STL
36h 04m
2 stops
Austrian Airlines Logo
1:13 pm - 2:50 pm
STL
-
BKK
37h 37m
2 stops
$1,376Austrian Airlines
Sun, Jul 19 - Sun, Jul 26
United Airlines Logo
7:00 am - 6:17 pm
BKK
-
STL
23h 17m
2 stops
United Airlines Logo
1:38 pm - 9:35 am
STL
-
BKK
31h 57m
3 stops
$1,558United Airlines
Sat, Jul 4 - Mon, Jul 13
United Airlines Logo
3:45 pm - 8:39 am
BKK
-
STL
28h 54m
3 stops
United Airlines Logo
5:59 pm - 9:35 am
STL
-
BKK
27h 36m
3 stops
$1,665United Airlines
Sat, Jul 4 - Mon, Jul 13
Multiple Airlines Logo
1:20 pm - 1:35 pm
BKK
-
STL
36h 15m
2 stops
Multiple Airlines Logo
3:19 pm - 9:45 am
STL
-
BKK
30h 26m
2 stops
$2,055Multiple Airlines
Thu, Aug 20 - Sat, Sep 12
Multiple Airlines Logo
1:20 pm - 6:10 pm
BKK
-
STL
40h 50m
2 stops
Multiple Airlines Logo
3:04 pm - 9:45 am
STL
-
BKK
30h 41m
2 stops
$2,071Multiple Airlines
Mon, Jun 15 - Mon, Aug 31
Japan Airlines Logo
9:40 am - 11:59 pm
BKK
-
STL
26h 19m
2 stops
Japan Airlines Logo
9:32 am - 5:45 am
STL
-
BKK
32h 13m
2 stops
$2,117Japan Airlines
Tue, Aug 4 - Wed, Aug 19
American Airlines Logo
9:40 pm - 4:41 pm
BKK
-
STL
31h 01m
2 stops
American Airlines Logo
5:42 am - 5:45 am
STL
-
BKK
36h 03m
2 stops
$2,161American Airlines
Mon, Aug 17 - Sun, Aug 23
American Airlines Logo
7:55 am - 8:26 pm
BKK
-
STL
24h 31m
2 stops
American Airlines Logo
8:36 am - 5:45 am
STL
-
BKK
33h 09m
2 stops
$2,164American Airlines
Tue, Aug 18 - Wed, Aug 19
American Airlines Logo
7:55 am - 8:26 pm
BKK
-
STL
24h 31m
2 stops
American Airlines Logo
8:36 am - 11:00 pm
STL
-
BKK
26h 24m
2 stops
$2,167American Airlines
Wed, Aug 19 - Thu, Aug 20

American Airlines flights from Bangkok Suvarnabhumi Airport to St. Louis

Our best American Airlines deals on Bangkok Suvarnabhumi Airport to St. Louis flight tickets
American Airlines
Jun 8
BKK9:40 pmBangkok Suvarnabhumi
38h 19m
2 stops
STL11:59 pmLambert-St Louis
Sep 2
STL6:00 amLambert-St Louis
35h 45m
2 stops
BKK5:45 amBangkok Suvarnabhumi
$2,149
American Airlines
Aug 17
BKK9:40 pmBangkok Suvarnabhumi
31h 01m
2 stops
STL4:41 pmLambert-St Louis
Aug 20
STL6:00 amLambert-St Louis
59h 45m
2 stops
BKK5:45 amBangkok Suvarnabhumi
$2,161
American Airlines
Aug 18
BKK7:55 amBangkok Suvarnabhumi
24h 31m
2 stops
STL8:26 pmLambert-St Louis
Aug 19
STL8:36 amLambert-St Louis
33h 09m
2 stops
BKK5:45 amBangkok Suvarnabhumi
$2,164

Air Canada flights from Bangkok Suvarnabhumi Airport to St. Louis

Our best Air Canada deals on Bangkok Suvarnabhumi Airport to St. Louis flight tickets
Air Canada
Aug 21
BKK7:05 amBangkok Suvarnabhumi
41h 35m
2 stops
STL12:40 pmLambert-St Louis
Aug 22
STL4:40 pmLambert-St Louis
24h 25m
2 stops
BKK5:05 amBangkok Suvarnabhumi
$2,762
Air Canada
Aug 17
BKK7:05 amBangkok Suvarnabhumi
26h 55m
2 stops
STL10:00 pmLambert-St Louis
Aug 18
STL12:10 pmLambert-St Louis
52h 55m
2 stops
BKK5:05 amBangkok Suvarnabhumi
$2,827
Air Canada
Jun 10
BKK2:35 amBangkok Suvarnabhumi
45h 31m
2 stops
STL12:06 pmLambert-St Louis
Aug 28
STL8:55 amLambert-St Louis
26h 40m
2 stops
BKK11:35 pmBangkok Suvarnabhumi
$3,365

momondo Fare Finder

 
Customize your flight search to find flights from Bangkok Suvarnabhumi Airport to St. Louis 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, momondo users made 832,500 searches. Data last updated June 5, 2026.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 7/4

5:50 pm-1:52 pm

2 stops56h 02m

Lambert-St Louis

Mon 7/13

7:56 pm-12:00 pm

2 stops28h 04m

$1,266

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 7/19

11:40 pm-11:44 pm

2 stops36h 04m

Lambert-St Louis

Sun 7/26

1:13 pm-2:50 pm

2 stops37h 37m

$1,376

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 7/4

7:00 am-6:17 pm

2 stops23h 17m

Lambert-St Louis

Mon 7/13

1:38 pm-9:35 am

3 stops31h 57m

$1,558

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 7/4

3:45 pm-8:39 am

3 stops28h 54m

Lambert-St Louis

Mon 7/13

5:59 pm-9:35 am

3 stops27h 36m

$1,665

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 8/20

1:20 pm-1:35 pm

2 stops36h 15m

Lambert-St Louis

Sat 9/12

3:19 pm-9:45 am

2 stops30h 26m

$2,055

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 6/15

1:20 pm-6:10 pm

2 stops40h 50m

Lambert-St Louis

Mon 8/31

3:04 pm-9:45 am

2 stops30h 41m

$2,071

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 8/4

9:40 am-11:59 pm

2 stops26h 19m

Lambert-St Louis

Wed 8/19

9:32 am-5:45 am

2 stops32h 13m

$2,117

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 8/17

9:40 pm-4:41 pm

2 stops31h 01m

Lambert-St Louis

Sun 8/23

5:42 am-5:45 am

2 stops36h 03m

$2,161

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 8/18

7:55 am-8:26 pm

2 stops24h 31m

Lambert-St Louis

Wed 8/19

8:36 am-5:45 am

2 stops33h 09m

$2,164
Quickest round-trip

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 8/19

7:55 am-8:26 pm

2 stops24h 31m

Lambert-St Louis

Thu 8/20

8:36 am-11:00 pm

2 stops26h 24m

$2,167

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Bangkok Suvarnabhumi Airport to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Bangkok Suvarnabhumi Airport and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, October is the cheapest month to fly from Bangkok Suvarnabhumi Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of February is another great option to travel to St. Louis, with average flight prices from Bangkok Suvarnabhumi Airport averaging around $952.

How have Bangkok Suvarnabhumi Airport to St. Louis flight prices changed over time?

When to book flights from Bangkok Suvarnabhumi Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Bangkok Suvarnabhumi Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bangkok Suvarnabhumi Airport to St. Louis (BKK to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok Suvarnabhumi Airport to St. Louis

Fastest flight time

56h 02m

Direct flights

None
The fastest flight from Bangkok Suvarnabhumi Airport to St. Louis takes 56h 02m
There are no direct flights from Bangkok Suvarnabhumi Airport to St. Louis. There are no popular flight routes from Bangkok Suvarnabhumi Airport to St. Louis.
Search flight deals

Frequently asked questions about flying from Bangkok Suvarnabhumi Airport to St. Louis

  • How far is Bangkok Suvarnabhumi to Lambert-St Louis by plane?

    The distance between Bangkok Suvarnabhumi and Lambert-St Louis is about 8747.1 mi. 56h 02m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Bangkok Suvarnabhumi Airport to Lambert-St Louis Airport?

    Prices for flights from Bangkok Suvarnabhumi Airport to Lambert-St Louis Airport refresh daily.

  • How many operators does momondo search for flights from Bangkok Suvarnabhumi Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Bangkok Suvarnabhumi Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bangkok Suvarnabhumi Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Bangkok Suvarnabhumi Airport to St. Louis?

Best airlines flying from Bangkok Suvarnabhumi Airport to St. Louis

Compare and see reviews for airlines that fly from Bangkok Suvarnabhumi Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Japan AirlinesPriceFrom $952Free CancellationRating
8.3
1,835 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $1,410Free CancellationRating
7.4
9,779 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Fenton
Alton
Wentzville
Farmington
Festus
Eureka
Clayton
Litchfield
Edwardsville
Shrewsbury
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Bangkok to St. Louis for you.

Can I find flights from Bangkok to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from Bangkok on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Bangkok to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Bangkok. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Bangkok to St. Louis right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Bangkok to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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