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Cheap flights from St. Louis to Bangkok Suvarnabhumi Airport from $640

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Bangkok Suvarnabhumi Airport departing on 3/30. 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 St. Louis to Bangkok

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Bangkok that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Bangkok.

Cheap last minute flights

Planning a quick getaway from St. Louis to Bangkok? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Bangkok, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Bangkok

Find recent round-trip train or bus tickets from St. Louis to Bangkok.

All round-trip flight deals to Bangkok

The cheapest plane tickets to Bangkok found on KAYAK recently.
7:00 am - 12:20 amSTL-BKK
28h 20m2 stops
1:50 am - 11:59 pmBKK-STL
35h 09m2 stops
Sun, Feb 23 - Tue, Mar 4
7:00 am - 4:20 pmSTL-BKK
44h 20m2 stops
10:05 pm - 11:23 amBKK-STL
26h 18m2 stops
$1,103Japan Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
7:04 am - 11:35 pmSTL-BKK
27h 31m2 stops
8:05 am - 7:29 pmBKK-STL
24h 24m2 stops
$1,113American Airlines
Find Deal
Tue, Feb 25 - Mon, Mar 3
1:03 pm - 12:05 amSTL-BKK
46h 02m2 stops
7:10 am - 10:06 pmBKK-STL
27h 56m2 stops
$1,119United Airlines
Find Deal
Sun, Feb 23 - Wed, Mar 5
3:45 pm - 12:05 amSTL-BKK
43h 20m2 stops
7:10 am - 3:11 pmBKK-STL
45h 01m2 stops
$1,126United Airlines
Find Deal
Sun, Feb 23 - Tue, Mar 4
3:10 pm - 12:10 amSTL-BKK
44h 00m2 stops
6:40 am - 11:03 pmBKK-STL
29h 23m2 stops
$1,272Cathay Pacific
Find Deal
Mon, Feb 3 - Mon, Feb 10
5:40 am - 10:40 amSTL-BKK
40h 00m2 stops
6:40 am - 10:09 pmBKK-STL
28h 29m2 stops
$1,281Cathay Pacific
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Tue, Jan 14 - Tue, Jan 28
6:00 am - 12:45 amSTL-BKK
29h 45m2 stops
1:00 am - 4:37 pmBKK-STL
28h 37m2 stops
$1,642Delta
Find Deal
Fri, Feb 7 - Fri, Feb 14
6:00 am - 12:45 amSTL-BKK
29h 45m2 stops
1:00 am - 11:38 pmBKK-STL
35h 38m2 stops
$1,652Delta
Find Deal
Mon, Jan 13 - Wed, Jan 22
5:10 am - 11:35 pmSTL-BKK
29h 25m2 stops
8:05 am - 10:02 pmBKK-STL
26h 57m3 stops
$11,194American Airlines
Find Deal
Sun, Feb 23 - Tue, Mar 4
8:00 am - 3:30 pmSTL-BKK
43h 30m2 stops
$640ANA
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Sun, Mar 30
8:00 am - 4:35 amSTL-BKK
32h 35m2 stops
$648United Airlines
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Sun, Mar 30
10:16 am - 10:40 amSTL-BKK
35h 24m2 stops
$834Cathay Pacific
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Fri, Jan 3
1:00 pm - 10:40 amSTL-BKK
56h 40m3 stops
Mon, Dec 30
6:49 pm - 10:10 amSTL-BKK
50h 21m3 stops
Fri, Jan 3
6:00 pm - 4:35 amSTL-BKK
46h 35m2 stops
$946United Airlines
Find Deal
Tue, Jun 3
7:07 pm - 11:20 pmSTL-BKK
39h 13m2 stops
$951Delta
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Sun, Dec 29
6:44 am - 6:15 amSTL-BKK
35h 31m3 stops
$991Alaska Airlines
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Sun, Mar 30
5:36 am - 12:10 amSTL-BKK
29h 34m2 stops
$1,012Cathay Pacific
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Sun, Dec 29
7:00 am - 5:55 amSTL-BKK
33h 55m2 stops
$3,587Qatar Airways
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Thu, Jan 2
6:30 am - 10:35 pmSTL-BKK
27h 05m2 stops
8:20 am - 11:27 pmBKK-STL
28h 07m2 stops
$2,069Cathay Pacific
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Fri, Dec 27 - Mon, Dec 30
3:50 pm - 1:05 pmSTL-BKK
32h 15m3 stops
4:55 pm - 3:06 pmBKK-STL
35h 11m3 stops
$2,308
Find Deal
Wed, Dec 25 - Fri, Dec 27
6:30 am - 10:35 pmSTL-BKK
27h 05m2 stops
12:55 am - 11:27 pmBKK-STL
35h 32m2 stops
$2,337
Find Deal
Fri, Dec 27 - Sun, Dec 29
10:16 am - 12:10 amSTL-BKK
24h 54m2 stops
9:30 pm - 10:06 pmBKK-STL
37h 36m2 stops
$2,419
Find Deal
Tue, Dec 24 - Thu, Dec 26
7:00 am - 11:10 amSTL-BKK
39h 10m2 stops
5:40 pm - 1:27 pmBKK-STL
32h 47m2 stops
$2,609
Find Deal
Wed, Dec 25 - Fri, Dec 27
11:42 am - 12:45 amSTL-BKK
24h 03m2 stops
5:40 pm - 3:06 pmBKK-STL
34h 26m3 stops
$2,701
Find Deal
Fri, Dec 27 - Mon, Dec 30
3:50 pm - 1:05 pmSTL-BKK
32h 15m3 stops
8:20 pm - 5:57 pmBKK-STL
34h 37m2 stops
$2,726
Find Deal
Wed, Dec 25 - Fri, Dec 27
3:50 pm - 4:45 pmSTL-BKK
35h 55m3 stops
10:05 pm - 11:12 amBKK-STL
26h 07m2 stops
$2,955
Find Deal
Tue, Dec 24 - Thu, Dec 26
7:15 am - 11:20 pmSTL-BKK
27h 05m2 stops
3:00 am - 7:30 pmBKK-STL
29h 30m2 stops
$3,246
Find Deal
Tue, Dec 24 - Wed, Dec 25

Korean Air flights from St. Louis to Bangkok Suvarnabhumi Airport

Our best Korean Air deals on St. Louis to Bangkok Suvarnabhumi Airport flight tickets
Korean Air
Feb 3
STL6:00 amLambert-St Louis
29h 45m
2 stops
BKK12:45 amBangkok Suvarnabhumi
Feb 19
BKK9:30 pmBangkok Suvarnabhumi
37h 47m
2 stops
STL10:17 pmLambert-St Louis
Korean Air
Feb 3
STL6:00 amLambert-St Louis
29h 45m
2 stops
BKK12:45 amBangkok Suvarnabhumi
Feb 18
BKK1:00 amBangkok Suvarnabhumi
34h 17m
2 stops
STL10:17 pmLambert-St Louis
Korean Air
Jan 31
STL6:00 amLambert-St Louis
29h 45m
2 stops
BKK12:45 amBangkok Suvarnabhumi
Feb 13
BKK1:00 amBangkok Suvarnabhumi
34h 17m
2 stops
STL10:17 pmLambert-St Louis

Japan Airlines flights from St. Louis to Bangkok Suvarnabhumi Airport

Our best Japan Airlines deals on St. Louis to Bangkok Suvarnabhumi Airport flight tickets
Japan Airlines
Jan 21
STL7:00 amLambert-St Louis
44h 20m
2 stops
BKK4:20 pmBangkok Suvarnabhumi
Jan 28
BKK10:05 pmBangkok Suvarnabhumi
26h 18m
2 stops
STL11:23 amLambert-St Louis
Japan Airlines
Feb 25
STL6:10 amLambert-St Louis
28h 25m
2 stops
BKK11:35 pmBangkok Suvarnabhumi
Mar 2
BKK12:55 amBangkok Suvarnabhumi
35h 13m
2 stops
STL11:08 pmLambert-St Louis
Japan Airlines
Feb 8
STL6:03 amLambert-St Louis
33h 57m
2 stops
BKK5:00 amBangkok Suvarnabhumi
Feb 15
BKK9:55 amBangkok Suvarnabhumi
38h 30m
2 stops
STL11:25 amLambert-St Louis

See travel insights to Bangkok from

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

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 St. Louis and Bangkok Suvarnabhumi Airport?

What is the cheapest month to fly to Bangkok Suvarnabhumi Airport?

The month of September is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from St. Louis, with most prices found around $1,242. The month of January is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from St. Louis averaging around $1,244.

What is the cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport?

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Monday when prices can be found for as low as $1,334. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,546.

What is the cheapest time of day to depart on your flight to Bangkok Suvarnabhumi Airport?

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is in the morning. Flights from St. Louis to Bangkok Suvarnabhumi Airport during this time can be as low as $1,339. At noon is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $1,754 per ticket.

How far in advance should I book a flight to Bangkok Suvarnabhumi Airport?

The best time to book a flight to Bangkok Suvarnabhumi Airport from St. Louis is 46 days out, which is when prices tend to be around $1,536. Keep in mind that you might be able to find cheaper flights to Bangkok Suvarnabhumi Airport at any time. In fact, our users found flights for as low as $1,114 in the past 72 hours.

Can stopping save me money on St. Louis to Bangkok Suvarnabhumi Airport flights?

You could potentially save up to 78% on your flight if you consider stops on a St. Louis to Bangkok Suvarnabhumi Airport flight.

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

As of December 2024, prices for St. Louis to Bangkok Suvarnabhumi Airport flights are approximately 8% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$640

Fastest flight time

24h 06m

Direct flights

None
The best one-way flight to Bangkok Suvarnabhumi Airport from St. Louis in the past 72 hours is $640. The best round-trip flight deal from St. Louis to Bangkok Suvarnabhumi Airport found on momondo in the last 72 hours is $953.
The fastest flight from St. Louis to Bangkok Suvarnabhumi Airport takes 24h 06m
There are no direct flights from St. Louis to Bangkok Suvarnabhumi Airport. Popular non-direct route for this connection is Lambert-St Louis Airport - Bangkok Suvarnabhumi Airport.

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

    The straight-line distance from Lambert-St Louis to Bangkok Suvarnabhumi is 8747.1 mi. By plane, this route typically takes 24h 06m.

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

    Prices for flights from Lambert-St Louis Airport to Bangkok Suvarnabhumi Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Bangkok Suvarnabhumi Airport?

    The travel and health documents required for your trip to Bangkok Suvarnabhumi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bangkok Suvarnabhumi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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


Best airlines flying from St. Louis to Bangkok Suvarnabhumi Airport

Compare and see reviews for airlines that fly from St. Louis to Bangkok Suvarnabhumi Airport with momondo
Airline
Rating
Free Cancellation
Price
Japan AirlinesPriceFrom $1,084Free CancellationRating
8.3
1,440 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $1,113Free CancellationRating
7.4
9,020 reviews
Search United Airlines flights
ANAPriceFrom $1,125Free CancellationRating
8.4
844 reviews
Search ANA flights
American AirlinesPriceFrom $1,149Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $1,149Free CancellationRating
8.0
8,588 reviews
Search Delta flights
Turkish AirlinesPriceFrom $1,158Free CancellationRating
7.3
3,902 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $1,226Free CancellationRating
7.0
8,421 reviews
Search Air Canada flights
FinnairPriceFrom $1,259Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
Cathay PacificPriceFrom $1,265Free CancellationRating
7.5
834 reviews
Search Cathay Pacific flights
Qatar AirwaysPriceFrom $1,319Free CancellationRating
7.5
3,790 reviews
Search Qatar Airways flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bangkok from St. Louis.

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

Flights from St. Louis to Bangkok with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

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

Yes. momondo can track prices for St. Louis to Bangkok 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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