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

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The best prices from St Louis to Bangkok are usually found in September or October, booked 52 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Home Asia Thailand Bangkok Cheap flights from St Louis to Bangkok

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
89.6 - 96.8 °F
TH1
Rainfall
0.4 - 12.1 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 2021

Round-trip from

$844

From 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 day to fly round-trip from St Louis to Bangkok?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from St Louis to Bangkok?

Users have found that booking a flight from St Louis to Bangkok at least 61 days early can save you up to 9% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from St Louis to Bangkok for as little as $800 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $828 for flights departing within the next 3 days.

What is the cheapest month to fly from St Louis to Bangkok?

The best pricing can be found in the month of April. Prices to Bangkok from St Louis average $828. You can even find prices in April for less than $828, as users have found deals to Bangkok from as low as $570. The month of June appears to be one of the more expensive times to travel to Bangkok from St Louis. Flying in the targeted month can save you up to 30%.

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 30% on flights from St Louis to Bangkok by exploring options for tickets at noon.

Cheap flights from St Louis to Bangkok in May, June 2021

The best prices found for STL to BKK flights for May, June
30 Jun - 25 Jul
$1,096pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
30 Jun - 22 Jul
$1,105pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
30 Jun - 23 Jul
$1,131pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

St Louis to Bangkok 2021 flight deals

Cheap flights to Bangkok from St Louis found for this year
21 Sep - 25 Sep
$772pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
28 Oct - 6 Nov
$915pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
28 Oct - 3 Nov
$944pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
   
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
16 May - 22 May
$1,220pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
16 May - 22 May
$1,282pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
16 May - 23 May
$1,304pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
     
3 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

Are flight prices decreasing from St Louis to Bangkok due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Bangkok for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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.

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.

Can I find flights from St Louis to Bangkok for under $800 on Cheapflights?

Yes, there are multiple flights from St Louis to Bangkok for under $800. The cheapest flight booked recently is on Multiple Airlines for just $772, but on average you can expect to pay $1,023.

Are there nonstop flights from St Louis to Bangkok for under $800 on Cheapflights?

There are no nonstop flights from St Louis to Bangkok, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

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

There are currently 20+ open flights from St Louis to Bangkok within the next 7 days for less than $1,300.

Is St Louis weather warmer or cooler than Bangkok?

We forecast the temperature to be around the 97 °F's in April, on average. The temperature in Bangkok is generally hotter than in St Louis. Book flights in a timely manner in correlation to your departure date.

How long is the flight from St Louis to Bangkok?

Qatar Airways and Japan Airlines can get you from St Louis to Bangkok in just under 27h 20m. Your travel time can differ by up to 25m. Both multi-stop and nonstop flights can be found to your destination and back.

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

According to our current data, Qatar Airways ($960), Japan Airlines ($1,085), and American Airlines ($1,233) offers the cheapest pricing from St Louis to Bangkok. Qatar Airways is currently priced 3% below the average price you’ll pay for this route.

Related searches

Flights to Bangkok from St Louis
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Alternative routes for St Louis to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.
Springfield to Chiang Mai from $1,347 pp
Kansas City to Chiang Mai from $1,531 pp
St Louis to Chiang Mai from $1,773 pp

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 = ฿31.06
Average temperature for May in Bangkok
95.0 °F
Avg rainfall for May in Bangkok
8.6 ″

Airports servicing St. Louis

St Louis (STL)

Airports servicing Bangkok

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

Top 7 airlines flying from 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
ANA 		$732 $894 No cancel fee 80%
United Airlines 		$525 $900 No cancel fee 69%
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.
Korean Air 		$739 $1,121 No cancel fee 81%
American Airlines 		$832 $1,133 No cancel fee 71%
Delta 		$783 $1,162 No cancel fee N/A
Cathay Pacific 		$991 $1,339 No cancel fee 72%

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Home Asia Thailand Bangkok Cheap flights from St Louis to Bangkok