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 2022: compare St. Louis to Bangkok flight prices with the expected peak season, weather and rainfall in Bangkok.
STL - BKK
Price
$844 - $1,445
BKK
Temperature
78.8 - 86 °F
BKK
Rainfall
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

Average price

$1,022

Average for round-trip flights in May 2022

Round-trip from

$844

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 - BKK)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Bangkok as you normally would.

Cheap flights from St. Louis to Bangkok in May, June 2022

The best prices found for STL to BKK flights for May, June
13 Jun - 23 Jun
$1,418pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
13 Jun - 24 Jun
$1,423pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
29 May - 13 Jun
$1,493pp
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 2022 flight deals

Cheap flights to Bangkok from St. Louis found for this year
13 Sep - 26 Oct
$946pp
STL
Lambert-St Louis
Finnair
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Finnair
   
2 STOPS
STL
Lambert-St Louis
29 Oct - 12 Nov
$972pp
STL
Lambert-St Louis
Finnair
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Finnair
   
2 STOPS
STL
Lambert-St Louis
29 Oct - 12 Nov
$978pp
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
29 May - 13 Jun
$1,493pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
28 May - 9 Jun
$1,499pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
28 May - 12 Jun
$1,504pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

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 10 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?

Qatar Airways, Japan Airlines, and American 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 $1,000 on Cheapflights?

Yes, there are multiple flights from St. Louis to Bangkok for under $1,000. The cheapest flight booked recently is on Finnair for just $972, but on average you can expect to pay $1,087.

Are there last-minute flights available from St. Louis to Bangkok for under $1,500?

There are currently 12+ open flights from St. Louis to Bangkok within the next 7 days for less than $1,500.

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 $972. Another airline that can offer you cheap pricing is Qatar Airways. Finnair is priced at 1% lower than the current average price of a flight leaving 3 months from now.

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

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

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

Looking at all options, your cheapest flight can be booked for $768. While the most popular route (Lambert-St Louis - Bangkok Suvarnabhumi) can be booked for $972 on average our data indicates $996 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 are not required to present a negative COVID-19 PCR test or antigen result upon entering Bangkok.

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

Documents
Thailand Pass - The Thailand Pass is a web-based system for Thai and foreign travelers to fill in their travel and health information and upload the related documents before travelling. This system is operational and will replace the COE system on 1 November, 2021. However, the COE will continue to be used for certain groups of travelers.


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 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) 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 = ฿34.59
Average temperature for May in Bangkok
95.0 °F
Avg rainfall for May in Bangkok
8.6 ″

Airports servicing St. Louis

Airports servicing Bangkok

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

Top 8 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
$147 $1,327 No cancel fee 69%
American Airlines
$156 $1,250 No cancel fee 71%
Qatar Airways
$907 $1,043 No cancel fee 68%
Finnair
$909 $1,028 No cancel fee 76%
Lufthansa
$1,018 $1,084 No cancel fee 76%
Japan Airlines
$1,041 $1,442 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.

Korean Air
$1,319 $1,899 No cancel fee 81%
Delta
$1,448 $1,901 No cancel fee N/A
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