How long is the flight from Thailand to St. Louis?

Japan Airlines can get you from Thailand to St. Louis in just under 29h 04m. Your travel time can differ by up to . The distance from Thailand to St. Louis is about 14061 km.

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

What is the cheapest time of day to fly from TH to STL?

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

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

Lambert-St Louis (STL), located 20.4 km from the city centre, is the airport you fly into when you book flights from Thailand to St. Louis.

Can I find deals for flights from Thailand to St. Louis that include hotel bookings?

Yes. In addition to deals on Thailand to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Thailand to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to St. Louis.

Can I find deals for business class flights from Thailand to St. Louis?

Yes. Cheapflights offers flight deals from Thailand to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

฿19,272+ Cheap Flights from Thailand to St. Louis

Cheap flight deals from Thailand to St. Louis

Enter your travel dates to find the best prices.

Cheapest

Best

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Cheapest flights from Thailand to St. Louis
Explore the most affordable flight options available from Thailand to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Thu 12/1107:55 -

2 stops29h 04m

Mon 16/1107:26 -

2 stops27h 09m

Deal found 29/9฿33,542

Mon 7/1207:55 -

2 stops29h 04m

Wed 20/107:21 -

2 stops32h 44m

Deal found 30/9฿33,710

Tue 8/1208:25 -

2 stops44h 01m

Sun 17/115:00 -

2 stops26h 30m

Deal found 27/9฿36,564

Tue 8/1208:25 -

2 stops25h 32m

Wed 20/108:05 -

2 stops33h 25m

Deal found 27/9฿36,631

Wed 9/1208:25 -

2 stops44h 01m

Wed 20/116:05 -

2 stops43h 15m

Deal found 27/9฿36,933

Sun 6/1222:05 -

2 stops31h 38m

Tue 19/106:00 -

2 stops34h 05m

Deal found 27/9฿37,067

Tue 8/1208:25 -

2 stops44h 01m

Sat 23/107:30 -

2 stops34h 00m

Deal found 27/9฿37,269

Mon 7/1208:25 -

2 stops44h 01m

Sun 17/108:05 -

2 stops33h 25m

Deal found 27/9฿39,082

Find flight deals from Thailand to St. Louis

Round-trip from	฿33,542
One-way from	฿19,272

Japan Airlines
12/11-16/11
4 total stops
56h 13m total
Thailand to St. Louis

Search Deals

20/11-31/12
2 total stops
28h 59m total
Thailand to St. Louis

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Thailand to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Fri 20/11

08:00-23:59

2 stops28h 59m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿19,272

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sat 19/12

17:50-19:10

2 stops38h 20m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,018

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sun 11/10

10:50-10:00

2 stops35h 10m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,052

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sat 24/10

17:30-00:45

2 stops43h 15m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,052

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Tue 26/1

03:00-14:56

2 stops48h 56m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,085

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sun 11/10

20:00-23:59

2 stops39h 59m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,925

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Mon 23/11

17:50-14:00

3 stops33h 10m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿27,398

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sun 11/10

15:45-12:40

3 stops32h 55m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿32,233

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Thu 12/11

07:55-23:59

2 stops29h 04m

Lambert-St Louis

Mon 16/11

07:26-23:35

2 stops27h 09m

฿33,542

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sun 17/1

10:55-09:30

2 stops35h 35m

Lambert-St Louis

Fri 14/5

08:30-12:10

2 stops39h 40m

฿40,224

Flights are sorted by cheapest return flights first.

Deals found on 28/9

Showing 1-10 of 13 resultsSorted by cheapest first

Best time to book a flight from Thailand to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Thailand with our price prediction graph.

BKK-STL

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Thailand to St. Louis

TH0-STL

BKK-STL

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to St. Louis from Thailand?
Lambert-St Louis (STL), located 20.4 km from the city centre, is the airport you fly into when you book flights from Thailand to St. Louis.
How long is the flight from Thailand to St. Louis?
Japan Airlines can get you from Thailand to St. Louis in just under 29h 04m. Your travel time can differ by up to . The distance from Thailand to St. Louis is about 14061 km.
Can I find deals for flights from Thailand to St. Louis that include hotel bookings?
Yes. In addition to deals on Thailand to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Thailand to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to St. Louis.
Can I find deals for business class flights from Thailand to St. Louis?
Yes. Cheapflights offers flight deals from Thailand to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Cheapflights makes it easy to find Thailand to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Thailand to St. Louis?

Millions of users choose and trust Cheapflights to book the best flight deals from Thailand to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Thailand to St. Louis with no change fees?

Yes, we can. To see specific flights from Thailand to St. Louis with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Thailand to St. Louis become cheaper?

Yes, Cheapflights offers price alerts on Thailand to St. Louis flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Thailand to St. Louis from ฿19,272

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Thailand to St. Louis

Cheapest flights from Thailand to St. LouisExplore the most affordable flight options available from Thailand to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Explore the most affordable flight options available from Thailand to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Thailand to St. LouisDiscover carefully curated flight deals from Thailand to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Discover carefully curated flight deals from Thailand to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from Thailand to St. LouisDiscover last-minute flight deals from Thailand to St. Louis. Data last updated 30 September 2026 and is based on user searches.

Discover last-minute flight deals from Thailand to St. Louis. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Thailand to St. LouisSearch for one-way flight options from Thailand to St. Louis. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Search for one-way flight options from Thailand to St. Louis. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

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Best time to book a flight from Thailand to St. Louis

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Cheapflights Insights

Related info for your journey

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

How long is the flight from Thailand to St. Louis?

Can I find deals for flights from Thailand to St. Louis that include hotel bookings?

How can I find direct flights from Thailand to St. Louis?

Can I find deals for business class flights from Thailand to St. Louis?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Thailand to St. Louis

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

Complete your trip

Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Thailand to St. Louis by cabin class

Find flights from Thailand to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Thailand and St. Louis flights

Browse other Thailand and St. Louis flight options. Last updated on 30 September 2026.

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Fly with Cheapflights

How does Cheapflights help users find flights from Thailand to St. Louis?

Why should you use Cheapflights to find cheap flight tickets from Thailand to St. Louis?

Can Cheapflights find flights from Thailand to St. Louis with no change fees?

Can Cheapflights notify me if prices for flights from Thailand to St. Louis become cheaper?

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Travel Smart

Cheapest flights from Thailand to St. Louis
Explore the most affordable flight options available from Thailand to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Thailand to St. Louis
Discover carefully curated flight deals from Thailand to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from Thailand to St. Louis
Discover last-minute flight deals from Thailand to St. Louis. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Thailand to St. Louis
Search for one-way flight options from Thailand to St. Louis. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.