Cheap flights from St. Louis (STL) to Bangkok (BKK)

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How to find the cheapest flight from
St. Louis (STL) to Bangkok (BKK)

All the information you need to plan the best STL to BKK flight in 2021: compare St. Louis to Bangkok flight prices with the expected peak season, weather and rainfall in Bangkok.
STL - TH1
Price
$844 - $1,445
TH1
Temperature
78.8 - 86 °F
TH1
Precipitation
0.4 - 12.6 inches

Popular in

December

High demand for flights, 31% potential price rise

Cheapest in

September

Best time to find cheap flights, 15% potential price drop

Round-trip from

$844

From Lambert-St Louis to Bangkok

One-way from

$570

One-way flight from Lambert-St Louis to Bangkok

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from St. Louis to Bangkok?

September can be a great time to fly to Bangkok from St. Louis with a flight ticket averaging about $990. Cheapflights users have found deals in the month of September for as cheap as $777. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from St. Louis to Bangkok (STL - TH1)?

When flying from St. Louis to Bangkok, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from St. Louis to Bangkok in October, November 2021

The best prices found for STL to BKK flights for October, November
3 Nov - 18 Nov
$847pp
STL
Lambert-St Louis
Multiple Airlines
       
4 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
       
4 STOPS
STL
Lambert-St Louis
3 Nov - 18 Nov
$968pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
1 Nov - 21 Nov
$983pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

Lambert-St Louis to Bangkok 2021 flight deals

Cheap flights to Bangkok from St. Louis found for this year
3 Nov - 18 Nov
$847pp
STL
Lambert-St Louis
Multiple Airlines
       
4 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
       
4 STOPS
STL
Lambert-St Louis
3 Nov - 17 Nov
$968pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
1 Nov - 21 Nov
$983pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

Last minute flights from St. Louis to Bangkok

Late deals on round-trip flights to Bangkok from St. Louis, departing today and this week
27 Oct - 31 Oct
$1,287pp
STL
Lambert-St Louis
Turkish Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Turkish Airlines
   
2 STOPS
STL
Lambert-St Louis
27 Oct - 30 Oct
$1,384pp
STL
Lambert-St Louis
Japan Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Japan Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Bangkok from St. Louis

The cheapest one-way flights from St. Louis to Bangkok
5:40 am - 11:15 am
Multiple Airlines
2 Stops
40h 35m
STL - BKK
Multiple Airlines
$570
Kiwi.com
4:50 pm - 12:00 am
Multiple Airlines
2 Stops
42h 10m
STL - BKK
Multiple Airlines
$598
Kiwi.com
4:50 pm - 6:10 am
Multiple Airlines
2 Stops
48h 20m
STL - BKK
Multiple Airlines
$630
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Bangkok</span> flights.

Flight FAQs

From St. Louis to Bangkok

What airport do you fly from for flights from St. Louis to Bangkok?

Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Bangkok. You should not have trouble finding flights to Bangkok from Lambert-St Louis; the airport handles an average of 0 outbound flights to Bangkok per day. You should also have plenty of airline options to choose from since 8 airlines have flights from the St. Louis airport to Bangkok. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

Which airlines flying from Lambert-St Louis to Bangkok have flexible cancellations due to COVID-19?

Delta, American Airlines, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from St. Louis to Bangkok for under $900 on Cheapflights?

Yes, there are multiple flights from St. Louis to Bangkok for under $900. The cheapest flight booked recently is on Multiple Airlines for just $847, but on average you can expect to pay $982.

Are there last-minute flights available from St. Louis to Bangkok for under $1,300?

There are currently 2+ open flights from St. Louis to Bangkok within the next 7 days for less than $1,300.

What are the cheapest airlines flying from St. Louis to Bangkok round-trip?

Cheapflights users have booked flights from St. Louis to Bangkok round-trip from $964. Other airlines that can offer you cheap pricing are American Airlines, from $973, and Qatar Airways, from $999. Finnair is priced at 2% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest flights from St. Louis to Bangkok?

Looking at all options, your cheapest flight can be booked for $564. While the most popular route (Lambert-St Louis - Bangkok Suvarnabhumi) can be booked for $964 on average our data indicates $1,201 when flying from St. Louis to Bangkok

What are the most popular airlines that fly from St. Louis to Bangkok?

Major Airline, American Airlines and Cathay Pacific are the most popular airlines when flying from St. Louis to Bangkok.

COVID Restrictions

View COVID Travel Restrictions for Bangkok, Thailand

Do I need a COVID test to fly to Bangkok from St. Louis?

Information is based on travel restrictions from Lambert-St Louis to Bangkok

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Bangkok.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Bangkok.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Bangkok.

Do I need a test to fly back to St. Louis from Bangkok?

Returning to Lambert-St Louis from Bangkok

COVID-19 testing requirements
Visitors from Bangkok must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Bangkok are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Bangkok, Thailand

Alternative routes for St. Louis to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Bangkok

Things to know before you go - useful duration and weather info for your trip from St. Louis to Bangkok.
Today's exchange rate
$1 = ฿33.32
Average temperature for October in Bangkok
91.4 °F
Avg rainfall for October in Bangkok
10.9 ″

Airports servicing St. Louis

Airports servicing Bangkok

Bangkok Suvarnabhumi (BKK)
Bangkok Don Mueang Intl (DMK)

Top 7 airlines flying from Lambert-St Louis to Bangkok

The chart below displays the airlines Cheapflights users traveling from St. Louis to Bangkok choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$525 $900 No cancel fee 69%
ANA
$732 $894 No cancel fee 80%
Korean Air
$739 $1,121 No cancel fee 81%
Delta
$783 $1,162 No cancel fee N/A
Japan Airlines
$801 $1,007 No cancel fee 79%

We couldn't confirm the COVID-19 safety measures taken by Japan Airlines. Please check directly on their website for additional information.

American Airlines
$832 $1,133 No cancel fee 71%
Cathay Pacific
$991 $1,339 No cancel fee 72%
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