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Cheap flights from Bangkok Suvarnabhumi Airport to St. Louis from $525

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 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Bangkok Suvarnabhumi Airport to St. Louis

Cheap round-trip flights

Air Canada Logo
8:15 am - 3:29 pmBKK-STL
44h 14m2 stops
Air Canada Logo
4:05 pm - 6:30 amSTL-BKK
49h 25m2 stops
$1,032Air Canada
Find Deal
Tue, Nov 4 - Tue, Nov 18
EVA Air Logo
2:15 am - 3:18 pmBKK-STL
50h 03m2 stops
EVA Air Logo
7:00 am - 11:10 amSTL-BKK
39h 10m2 stops
$1,113EVA Air
Find Deal
Mon, Nov 3 - Tue, Nov 18
Cathay Pacific Logo
11:40 am - 11:08 pmBKK-STL
24h 28m2 stops
Cathay Pacific Logo
11:18 am - 6:15 pmSTL-BKK
42h 57m2 stops
$1,178Cathay Pacific
Find Deal
Thu, Mar 5 - Mon, Mar 9
Delta Logo
2:35 am - 8:14 amBKK-STL
41h 39m2 stops
Delta Logo
5:22 pm - 11:20 pmSTL-BKK
41h 58m2 stops
$1,243Delta
Find Deal
Fri, Sep 26 - Sat, Oct 25
Delta Logo
2:35 am - 9:59 amBKK-STL
43h 24m2 stops
Delta Logo
6:00 am - 9:30 pmSTL-BKK
27h 30m2 stops
$1,244Delta
Find Deal
Fri, Sep 26 - Sat, Oct 25
United Airlines Logo
7:00 am - 9:58 pmBKK-STL
26h 58m3 stops
United Airlines Logo
12:25 pm - 11:25 amSTL-BKK
35h 00m3 stops
$1,437United Airlines
Find Deal
Sat, Sep 27 - Sat, Oct 25
United Airlines Logo
4:55 pm - 9:42 amBKK-STL
29h 47m3 stops
United Airlines Logo
11:45 am - 11:25 amSTL-BKK
35h 40m3 stops
$1,445United Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
4:55 pm - 9:42 amBKK-STL
29h 47m3 stops
United Airlines Logo
3:15 pm - 5:10 amSTL-BKK
25h 55m2 stops
$1,446United Airlines
Find Deal
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
4:55 pm - 10:39 amBKK-STL
30h 44m3 stops
United Airlines Logo
4:55 pm - 11:25 amSTL-BKK
29h 30m3 stops
$1,447United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 18
Delta Logo
12:55 am - 3:01 pmBKK-STL
27h 06m2 stops
Delta Logo
7:30 am - 11:20 pmSTL-BKK
27h 50m2 stops
$1,560Delta
Find Deal
Wed, Mar 4 - Mon, Mar 9

Delta flights from Bangkok Suvarnabhumi Airport to St. Louis

Our best Delta deals on Bangkok Suvarnabhumi Airport to St. Louis flight tickets
Delta
Sep 26
BKK2:35 amBangkok Suvarnabhumi
41h 39m
2 stops
STL8:14 amLambert-St Louis
Oct 25
STL5:22 pmLambert-St Louis
41h 58m
2 stops
BKK11:20 pmBangkok Suvarnabhumi
$1,243
Find similar
Delta
Sep 26
BKK2:35 amBangkok Suvarnabhumi
43h 24m
2 stops
STL9:59 amLambert-St Louis
Oct 25
STL6:00 amLambert-St Louis
27h 30m
2 stops
BKK9:30 pmBangkok Suvarnabhumi
$1,244
Find similar
Delta
Mar 4
BKK12:55 amBangkok Suvarnabhumi
27h 06m
2 stops
STL3:01 pmLambert-St Louis
Mar 9
STL7:30 amLambert-St Louis
27h 50m
2 stops
BKK11:20 pmBangkok Suvarnabhumi
$1,560
Find similar

United Airlines flights from Bangkok Suvarnabhumi Airport to St. Louis

Our best United Airlines deals on Bangkok Suvarnabhumi Airport to St. Louis flight tickets
United Airlines
Sep 27
BKK7:00 amBangkok Suvarnabhumi
26h 58m
3 stops
STL9:58 pmLambert-St Louis
Oct 25
STL12:25 pmLambert-St Louis
35h 00m
3 stops
BKK11:25 amBangkok Suvarnabhumi
$1,437
Find similar
United Airlines
Mar 5
BKK4:55 pmBangkok Suvarnabhumi
29h 47m
3 stops
STL9:42 amLambert-St Louis
Mar 9
STL11:45 amLambert-St Louis
35h 40m
3 stops
BKK11:25 amBangkok Suvarnabhumi
$1,445
Find similar
United Airlines
Mar 5
BKK4:55 pmBangkok Suvarnabhumi
29h 47m
3 stops
STL9:42 amLambert-St Louis
Mar 9
STL3:15 pmLambert-St Louis
25h 55m
2 stops
BKK5:10 amBangkok Suvarnabhumi
$1,446
Find similar

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 September 15, 2025.
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

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 11/4

8:15 am-3:29 pm

2 stops44h 14m

Lambert-St Louis

Tue 11/18

4:05 pm-6:30 am

2 stops49h 25m

$1,032

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 11/3

2:15 am-3:18 pm

2 stops50h 03m

Lambert-St Louis

Tue 11/18

7:00 am-11:10 am

2 stops39h 10m

$1,113

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 3/5

11:40 am-11:08 pm

2 stops24h 28m

Lambert-St Louis

Mon 3/9

11:18 am-6:15 pm

2 stops42h 57m

$1,178

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 9/26

2:35 am-8:14 am

2 stops41h 39m

Lambert-St Louis

Sat 10/25

5:22 pm-11:20 pm

2 stops41h 58m

$1,243

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 9/26

2:35 am-9:59 am

2 stops43h 24m

Lambert-St Louis

Sat 10/25

6:00 am-9:30 pm

2 stops27h 30m

$1,244

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 9/27

7:00 am-9:58 pm

3 stops26h 58m

Lambert-St Louis

Sat 10/25

12:25 pm-11:25 am

3 stops35h 00m

$1,437

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 3/5

4:55 pm-9:42 am

3 stops29h 47m

Lambert-St Louis

Mon 3/9

11:45 am-11:25 am

3 stops35h 40m

$1,445

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 3/5

4:55 pm-9:42 am

3 stops29h 47m

Lambert-St Louis

Mon 3/9

3:15 pm-5:10 am

2 stops25h 55m

$1,446

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 11/4

4:55 pm-10:39 am

3 stops30h 44m

Lambert-St Louis

Tue 11/18

4:55 pm-11:25 am

3 stops29h 30m

$1,447

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 3/4

12:55 am-3:01 pm

2 stops27h 06m

Lambert-St Louis

Mon 3/9

7:30 am-11:20 pm

2 stops27h 50m

$1,560

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $1,120. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,375. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Bangkok Suvarnabhumi Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,245 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,251 per ticket.

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

Direct flights

None
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

  • 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. 24h 28m 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 $980Free CancellationRating
8.3
1,559 reviews
Search Japan Airlines flights
Air CanadaPriceFrom $1,015Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,410Free CancellationRating
7.4
8,931 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
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
Shrewsbury

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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