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

Japan Airlines, at ฿31,876, was found to be the cheapest airline from Bangkok to St. Louis.Alternate airlines to your destination round-trip include แอร์แคนาดา and China Airlines. Japan Airlines is currently priced 23% below the average price you’ll pay for this route. Find deals

What are the cheapest airlines to fly from Bangkok to St. Louis one-way?

The cheapet airlines for a one-way flight from Bangkok to St. Louis are Qatar Airways (฿22,954), เดลต้า (฿32,071), and China Airlines (฿33,829). Find deals

What is the cheapest day to fly from Bangkok to St. Louis?

Travellers seeking maximum savings on their Bangkok to St. Louis flight should consider departing on Thursday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time. 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).

What is the cheapest day to fly return from Bangkok to St. Louis?

Users have found that flying from Bangkok to St. Louis on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

June is one of the best times of the year to fly to St. Louis from Bangkok. Prices for June average ฿41,744 per person but you can even find prices for as low as ฿32,527. The most expensive prices can be found in the month of January. Opting for a June flight can save you 18% on your journey compared to booking in January

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

Unlike at midday, when flights are generally more expensive, you can save up to 5% on flights from Bangkok to St. Louis by exploring options for tickets in the morning.

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

Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Bangkok. On average, Lambert-St Louis has 0 inbound flights from Bangkok per day from 1 airline. Lambert-St Louis is conveniently located just 20.4 km from St. Louis’s city centre.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Bangkok 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.

฿21,782+ Flights from Bangkok to St. Louis

Cheap flight deals from Bangkok to St. Louis

Round-trip from	฿31,876
One-way from	฿21,782
Popular in	January
Cheapest in	June
Average price	฿43,695

Japan Airlines
20/8-27/8
4 total stops
53h 23m total
Bangkok to St. Louis

Search Deals

2/10
2 total stops
22h 49m total
Bangkok to St. Louis

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (฿102,733 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (฿22,295 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Bangkok to St. Louis

Cheapest flights from Bangkok to St. Louis
Explore the most affordable flight options available from Bangkok to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Wed 20/809:45BKK - STL

2 stops25h 24mJapan Airlines

Wed 27/807:01STL - BKK

2 stops27h 59mJapan Airlines

Deal found 6/7฿31,876

Mon 10/1108:15BKK - STL

2 stops44h 14mแอร์แคนาดา

Mon 1/1216:05STL - BKK

2 stops49h 25mแอร์แคนาดา

Deal found 7/7฿36,727

Sun 9/1102:35BKK - STL

2 stops49h 30mChina Airlines

Mon 1/1207:00STL - BKK

2 stops44h 45mChina Airlines

Deal found 7/7฿39,853

Fri 26/902:40BKK - STL

2 stops48h 01mMultiple Airlines

Sat 25/1015:57STL - BKK

2 stops29h 53mMultiple Airlines

Deal found 7/7฿39,918

Sun 31/802:35BKK - STL

2 stops34h 03mเดลต้า

Sun 21/907:40STL - BKK

2 stops27h 45mเดลต้า

Deal found 7/7฿45,811

Sat 27/909:35BKK - STL

2 stops43h 10mUnited Airlines

Sat 25/1017:28STL - BKK

3 stops29h 22mUnited Airlines

Deal found 7/7฿45,941

Sat 12/703:40BKK - STL

2 stops30h 35mEmirates

Tue 5/815:20STL - BKK

2 stops33h 10mEmirates

Deal found 7/7฿101,716

Mon 14/723:25BKK - STL

2 stops30h 42mออสเตรียนแอร์ไลน์

Tue 5/811:24STL - BKK

2 stops39h 26mออสเตรียนแอร์ไลน์

Deal found 7/7฿152,997

Thu 17/723:00BKK - STL

2 stops32h 00mลุฟท์ฮันซ่า

Tue 5/817:31STL - BKK

2 stops56h 39mลุฟท์ฮันซ่า

Deal found 7/7฿160,843

Best flights from Bangkok to St. Louis
Discover carefully curated flight deals from Bangkok to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 July 2025.

Wed 20/809:45BKK - STL

2 stops25h 24mJapan Airlines

Wed 27/807:01STL - BKK

2 stops27h 59mJapan Airlines

Deal found 6/7฿31,876

Mon 10/1108:15BKK - STL

2 stops44h 14mแอร์แคนาดา

Mon 1/1216:05STL - BKK

2 stops49h 25mแอร์แคนาดา

Deal found 8/7฿36,727

Fri 26/902:40BKK - STL

2 stops48h 01mMultiple Airlines

Sat 25/1015:57STL - BKK

2 stops29h 53mMultiple Airlines

Deal found 8/7฿39,527

Sun 9/1102:35BKK - STL

2 stops49h 30mChina Airlines

Mon 1/1207:00STL - BKK

2 stops44h 45mChina Airlines

Deal found 8/7฿39,853

Sat 27/909:35BKK - STL

2 stops38h 53mUnited Airlines

Sat 25/1017:28STL - BKK

3 stops29h 22mUnited Airlines

Deal found 8/7฿45,551

Sun 31/802:35BKK - STL

2 stops34h 03mเดลต้า

Sun 21/907:40STL - BKK

2 stops27h 45mเดลต้า

Deal found 7/7฿45,811

Sat 19/723:25BKK - STL

2 stops30h 42mออสเตรียนแอร์ไลน์

Tue 5/811:24STL - BKK

2 stops39h 26mออสเตรียนแอร์ไลน์

Deal found 7/7฿186,728

Last-minute flights from Bangkok to St. Louis
Discover last-minute flight deals from Bangkok to St. Louis. Data last updated 8 July 2025 and is based on user searches.

Sat 12/703:40BKK - STL

2 stops30h 35mEmirates

Tue 5/815:20STL - BKK

2 stops33h 10mEmirates

Deal found 7/7฿101,716

Mon 14/707:00BKK - STL

2 stops26h 35mUnited Airlines

Tue 5/815:20STL - BKK

2 stops25h 15mUnited Airlines

Deal found 7/7฿74,268

Mon 14/723:25BKK - STL

2 stops30h 42mออสเตรียนแอร์ไลน์

Tue 5/811:24STL - BKK

2 stops39h 26mออสเตรียนแอร์ไลน์

Deal found 7/7฿152,997

Tue 15/722:05BKK - STL

2 stops37h 25mJapan Airlines

Tue 5/807:23STL - BKK

2 stops27h 37mJapan Airlines

Deal found 7/7฿67,919

Wed 16/722:05BKK - STL

2 stops25h 51mMultiple Airlines

Tue 5/807:23STL - BKK

2 stops27h 37mMultiple Airlines

Deal found 7/7฿68,798

Thu 17/723:00BKK - STL

2 stops32h 00mลุฟท์ฮันซ่า

Tue 5/817:31STL - BKK

2 stops56h 39mลุฟท์ฮันซ่า

Deal found 7/7฿160,843

Mon 4/802:40BKK - STL

2 stops57h 19mChina Airlines

Tue 12/819:32STL - BKK

2 stops26h 13mChina Airlines

Deal found 6/7฿49,686

Mon 11/815:10BKK - STL

2 stops35h 16mMultiple Airlines

Mon 18/819:32STL - BKK

2 stops27h 48mMultiple Airlines

Deal found 6/7฿46,169

Wed 20/809:45BKK - STL

2 stops25h 24mJapan Airlines

Wed 27/807:01STL - BKK

2 stops27h 59mJapan Airlines

Deal found 6/7฿31,876

Sun 31/802:35BKK - STL

2 stops34h 03mเดลต้า

Sun 21/907:40STL - BKK

2 stops27h 45mเดลต้า

Deal found 7/7฿45,811

One-way flights from Bangkok to St. Louis
Search for one-way flight options from Bangkok to St. Louis. Find affordable one-way fares based on user searches. Data last updated 8 July 2025.

Thu 2/1013:10BKK - STL

2 stops22h 49mMultiple Airlines

Deal found 6/7฿21,782

Wed 1/1002:30BKK - STL

2 stops33h 29mQatar Airways

Deal found 6/7฿22,954

Mon 4/821:40BKK - STL

2 stops38h 58mเดลต้า

Deal found 6/7฿32,071

Fri 1/802:40BKK - STL

2 stops57h 19mChina Airlines

Deal found 7/7฿33,829

Thu 7/800:25BKK - STL

2 stops34h 44mJapan Airlines

Deal found 6/7฿34,839

Sat 2/821:40BKK - STL

2 stops37h 40mKorean Air

Deal found 6/7฿37,346

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 20/8

09:45-23:09

2 stops25h 24m

Lambert-St Louis

Wed 27/8

07:01-23:00

2 stops27h 59m

฿31,876

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 10/11

08:15-15:29

2 stops44h 14m

Lambert-St Louis

Mon 1/12

16:05-06:30

2 stops49h 25m

฿36,727

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 9/11

02:35-15:05

2 stops49h 30m

Lambert-St Louis

Mon 1/12

07:00-16:45

2 stops44h 45m

฿39,853

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 26/9

02:40-14:41

2 stops48h 01m

Lambert-St Louis

Sat 25/10

15:57-09:50

2 stops29h 53m

฿39,918

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 31/8

02:35-00:38

2 stops34h 03m

Lambert-St Louis

Sun 21/9

07:40-23:25

2 stops27h 45m

฿45,811

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 27/9

09:35-16:45

2 stops43h 10m

Lambert-St Louis

Sat 25/10

17:28-10:50

3 stops29h 22m

฿45,941

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 17/7

23:00-19:00

2 stops32h 00m

Lambert-St Louis

Tue 5/8

17:31-14:10

2 stops56h 39m

฿160,843

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 19/7

23:25-18:07

2 stops30h 42m

Lambert-St Louis

Tue 5/8

11:24-14:50

2 stops39h 26m

฿186,728

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 2/10

13:10-23:59

2 stops22h 49m

฿21,782

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 1/10

02:30-23:59

2 stops33h 29m

฿22,954

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 14 results

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Bangkok 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 Bangkok to St. Louis

How much does it cost for a return flight from Bangkok to St. Louis?

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown with Korean Air, Japan Airlines, andChina Airlines from Bangkok 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.

Korean Air

8.4

Very Good

1,104 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Korean Air

8.4

Very Good

1,104 reviews

Korean Air

8.4

Very Good

1,104 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Japan Airlines

8.3

Very Good

1,505 reviews

Korean Air

8.4

Very Good

1,104 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

China Airlines

8.3

Very Good

744 reviews

Korean Air

8.4

Very Good

1,104 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

เดลต้า

8.0

Very Good

7,963 reviews

Korean Air

8.4

Very Good

1,104 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

ออสเตรียนแอร์ไลน์

7.6

Good

806 reviews

Korean Air

8.4

Very Good

1,104 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

What airport do you fly into for flights to St. Louis from Bangkok?
Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Bangkok. On average, Lambert-St Louis has 0 inbound flights from Bangkok per day from 1 airline. Lambert-St Louis is conveniently located just 20.4 km from St. Louis’s city centre.
What are the cheapest airlines flying from Bangkok to St. Louis round-trip?
Japan Airlines, at ฿31,876, was found to be the cheapest airline from Bangkok to St. Louis.Alternate airlines to your destination round-trip include แอร์แคนาดา and China Airlines. Japan Airlines is currently priced 23% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Bangkok to St. Louis one-way?
The cheapet airlines for a one-way flight from Bangkok to St. Louis are Qatar Airways (฿22,954), เดลต้า (฿32,071), and China Airlines (฿33,829).
Can I find deals for flights from Bangkok to St. Louis that include hotel bookings?
Yes. In addition to deals on Bangkok to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Bangkok to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to St. Louis.
Can I find deals for business class flights from Bangkok to St. Louis?
Yes. Cheapflights offers flight deals from Bangkok 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 Bangkok to St. Louis

Chiang Mai to Kansas City flights

Phuket City to St. Louis flights

Chiang Mai to Columbia flights

Top airline flying from Bangkok to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Japan Airlines	Cheapest฿37,867	Average฿44,208	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Bangkok to St. Louis. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Bangkok 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 Bangkok to St. Louis with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Bangkok to St. Louis, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Bangkok to St. Louis flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Bangkok to St. Louis from ฿21,782

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Bangkok to St. Louis

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Bangkok to St. Louis

Cheapest flights from Bangkok to St. LouisExplore the most affordable flight options available from Bangkok to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Explore the most affordable flight options available from Bangkok to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

How much does it cost for a return flight from Bangkok to St. Louis?

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown with Korean Air, Japan Airlines, andChina Airlines from Bangkok 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 Bangkok 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 Bangkok?

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

What are the cheapest airlines to fly from Bangkok to St. Louis one-way?

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

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

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

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

Top airline flying from Bangkok 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 Bangkok to St. Louis?

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

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

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

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Cheapest flights from Bangkok to St. Louis
Explore the most affordable flight options available from Bangkok to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.