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

Cathay Pacific, เดลต้า, and Japan Airlines can get you from Thailand to St. Louis in just under 45h 16m. Your travel time can differ by up to 4h 36m. The distance from Thailand to St. Louis is about 14061 km. This flight may include one or multiple stops. Find deals

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. Find deals

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). Find deals

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. Find deals

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.

฿16,751+ Flights from Thailand to St. Louis

Cheap flight deals from Thailand to St. Louis

Enter your travel dates to find the best prices.

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 14 December 2025.

Fri 19/1211:40BKK - STL

2 stops24h 18mCathay Pacific

Sat 27/1218:44STL - BKK

2 stops28h 21mCathay Pacific

Deal found 14/12฿52,709

Fri 19/1211:40BKK - STL

2 stops24h 18mMultiple Airlines

Sat 27/1218:44STL - BKK

2 stops34h 31mMultiple Airlines

Deal found 12/12฿55,386

Sat 20/1219:15BKK - STL

2 stops40h 41mCathay Pacific

Sat 27/1218:44STL - BKK

2 stops32h 56mCathay Pacific

Deal found 13/12฿56,110

Sat 20/1216:55BKK - STL

3 stops29h 54mUnited Airlines

Sat 27/1206:00STL - BKK

3 stops40h 25mUnited Airlines

Deal found 12/12฿61,872

Fri 19/1207:10BKK - STL

2 stops23h 44mUnited Airlines

Sat 27/1206:00STL - BKK

3 stops40h 25mUnited Airlines

Deal found 13/12฿64,989

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 14 December 2025.

Thu 22/112:20HKT - STL

2 stops48h 39mCathay Pacific

Sun 25/107:04STL - HKT

2 stops39h 16mCathay Pacific

Deal found 11/12฿36,966

Thu 26/302:05BKK - STL

2 stops49h 52mเดลต้า

Wed 1/417:00STL - BKK

2 stops40h 45mเดลต้า

Deal found 14/12฿38,351

Tue 17/209:55BKK - STL

2 stops45h 16mJapan Airlines

Thu 19/206:30STL - BKK

2 stops57h 35mJapan Airlines

Deal found 11/12฿40,776

Sat 28/302:05BKK - STL

2 stops33h 37mKorean Air

Mon 30/309:30STL - BKK

2 stops26h 10mKorean Air

Deal found 14/12฿42,980

Tue 17/207:10BKK - STL

2 stops22h 34mUnited Airlines

Thu 19/208:41STL - BKK

3 stops37h 44mUnited Airlines

Deal found 12/12฿45,310

Mon 30/316:25BKK - STL

2 stops37h 36mCathay Pacific

Thu 2/410:03STL - BKK

2 stops41h 22mCathay Pacific

Deal found 14/12฿41,720

Thu 26/302:05BKK - STL

2 stops33h 10mKorean Air

Sat 28/313:00STL - BKK

2 stops46h 40mKorean Air

Deal found 14/12฿43,200

Sun 29/317:30BKK - STL

2 stops41h 28mCathay Pacific

Wed 1/410:03STL - BKK

2 stops41h 22mCathay Pacific

Deal found 14/12฿41,720

Sat 28/307:55BKK - STL

2 stops27h 03mCathay Pacific

Wed 1/410:03STL - BKK

2 stops25h 47mCathay Pacific

Deal found 14/12฿44,050

Sat 28/311:40BKK - STL

2 stops23h 18mCathay Pacific

Tue 31/318:08STL - BKK

2 stops34h 22mCathay Pacific

Deal found 14/12฿44,050

Sat 28/317:40BKK - STL

2 stops41h 18mCathay Pacific

Thu 2/410:03STL - BKK

2 stops41h 22mCathay Pacific

Deal found 14/12฿44,239

Thu 19/312:20HKT - STL

2 stops46h 38mCathay Pacific

Sun 22/306:38STL - HKT

2 stops40h 42mCathay Pacific

Deal found 13/12฿46,979

Last-minute flights from Thailand to St. Louis
Discover last-minute flight deals from Thailand to St. Louis. Data last updated 14 December 2025 and is based on user searches.

Fri 19/1211:40BKK - STL

2 stops24h 18mCathay Pacific

Sat 27/1218:44STL - BKK

2 stops28h 21mCathay Pacific

Deal found 14/12฿52,709

Fri 19/1211:40BKK - STL

2 stops24h 18mMultiple Airlines

Sat 27/1218:44STL - BKK

2 stops34h 31mMultiple Airlines

Deal found 12/12฿55,386

Sat 20/1219:15BKK - STL

2 stops40h 41mCathay Pacific

Sat 27/1218:44STL - BKK

2 stops32h 56mCathay Pacific

Deal found 13/12฿56,110

Tue 6/109:55BKK - STL

2 stops27h 04mJapan Airlines

Fri 9/106:00STL - BKK

2 stops28h 35mJapan Airlines

Deal found 11/12฿47,388

Tue 6/118:45BKK - STL

2 stops56h 09mMultiple Airlines

Fri 9/114:50STL - BKK

2 stops43h 10mMultiple Airlines

Deal found 14/12฿51,639

Tue 6/122:05BKK - STL

2 stops38h 54mJapan Airlines

Sun 11/113:35STL - BKK

2 stops26h 30mJapan Airlines

Deal found 14/12฿52,174

Tue 6/109:10BKK - STL

2 stops38h 52mUnited Airlines

Fri 9/110:07STL - BKK

3 stops36h 18mUnited Airlines

Deal found 13/12฿61,148

Wed 7/109:55BKK - STL

2 stops27h 04mJapan Airlines

Sat 10/111:05STL - BKK

2 stops29h 00mJapan Airlines

Deal found 11/12฿48,994

Wed 7/116:55BKK - STL

3 stops41h 03mUnited Airlines

Sat 10/113:15STL - BKK

2 stops50h 55mUnited Airlines

Deal found 11/12฿56,834

Thu 22/112:20HKT - STL

2 stops48h 39mCathay Pacific

Sun 25/107:04STL - HKT

2 stops39h 16mCathay Pacific

Deal found 11/12฿36,966

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 14 December 2025.

Tue 13/117:40BKK - STL

3 stops56h 00mMultiple Airlines

Deal found 14/12฿16,751

Thu 22/117:40BKK - STL

3 stops40h 08mMultiple Airlines

Deal found 12/12฿17,538

Fri 16/117:40BKK - STL

3 stops56h 00mMultiple Airlines

Deal found 14/12฿17,601

Wed 21/110:55BKK - STL

3 stops56h 56mMultiple Airlines

Deal found 12/12฿18,042

Tue 20/113:45BKK - STL

2 stops37h 09mMultiple Airlines

Deal found 12/12฿18,546

Mon 19/117:40BKK - STL

3 stops58h 06mMultiple Airlines

Deal found 12/12฿18,672

Wed 14/117:40BKK - STL

2 stops57h 14mMultiple Airlines

Deal found 12/12฿18,892

Thu 15/113:45BKK - STL

2 stops37h 09mMultiple Airlines

Deal found 12/12฿19,081

Find flight deals from Thailand to St. Louis

Round-trip from	฿34,730
One-way from	฿16,751
Popular in	January
Cheapest in	June
Average price	฿39,863

เดลต้า
26/3-31/3
4 total stops
62h 02m total
Thailand to St. Louis

Search Deals

13/1
3 total stops
56h 00m total
Thailand to St. Louis

Search Deals

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (฿23,876 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Thu 22/1

12:20-23:59

2 stops48h 39m

Lambert-St Louis

Sun 25/1

07:04-11:20

2 stops39h 16m

฿36,966

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 26/3

02:05-15:57

2 stops49h 52m

Lambert-St Louis

Wed 1/4

17:00-21:45

2 stops40h 45m

฿38,351

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 17/2

09:55-18:11

2 stops45h 16m

Lambert-St Louis

Thu 19/2

06:30-05:05

2 stops57h 35m

฿40,776

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 30/3

16:25-18:01

2 stops37h 36m

Lambert-St Louis

Thu 2/4

10:03-15:25

2 stops41h 22m

฿41,720

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 29/3

17:30-22:58

2 stops41h 28m

Lambert-St Louis

Wed 1/4

10:03-15:25

2 stops41h 22m

฿41,720

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 28/3

02:05-23:42

2 stops33h 37m

Lambert-St Louis

Mon 30/3

09:30-23:40

2 stops26h 10m

฿42,980

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 26/3

02:05-23:15

2 stops33h 10m

Lambert-St Louis

Sat 28/3

13:00-23:40

2 stops46h 40m

฿43,200

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 28/3

07:55-22:58

2 stops27h 03m

Lambert-St Louis

Wed 1/4

10:03-23:50

2 stops25h 47m

฿44,050

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 28/3

11:40-22:58

2 stops23h 18m

Lambert-St Louis

Tue 31/3

18:08-16:30

2 stops34h 22m

฿44,050

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 28/3

17:40-22:58

2 stops41h 18m

Lambert-St Louis

Thu 2/4

10:03-15:25

2 stops41h 22m

฿44,239

Flights are sorted by cheapest return flights first.

Deals found on 14/12

Showing 1-10 of 19 results

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.

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

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

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown with Japan Airlines from Thailand to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Japan Airlines

8.3

Very Good

1,655 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

Japan Airlines

8.3

Very Good

1,655 reviews

Japan Airlines

8.3

Very Good

1,655 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

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?
Cathay Pacific, เดลต้า, and Japan Airlines can get you from Thailand to St. Louis in just under 45h 16m. Your travel time can differ by up to 4h 36m. The distance from Thailand to St. Louis is about 14061 km. This flight may include one or multiple stops.
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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Thailand to St. Louis

Phuket City to St. Louis flights

Chiang Mai to Columbia flights

Chiang Mai to Kansas City flights

Top airline flying from Thailand to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Japan Airlines	Cheapest฿37,484	Average฿43,028	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights

Fly with Cheapflights

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

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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Thailand to St. Louis from ฿16,751

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/1. 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 14 December 2025.

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 14 December 2025.

Find flight deals from Thailand to St. Louis

Keep the following information in mind while searching for Thailand to St. Louis flight deals. Data was last updated 14 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown with Japan Airlines from Thailand to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Thailand to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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.

Top airline flying from Thailand to St. Louis

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

100% Free

Book With Flexibility

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 14 December 2025.