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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.
BKK — STL
13 Jul — 20 Jul1
1 adult

Cheap flight deals from Bangkok to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 July 2025.

Round-trip from

฿31,876

One-way from

฿21,782

Popular in

January

Cheapest in

June

Average price

฿43,695
Japan Airlines
  • Japan Airlines
  • 20/8-27/8
  • 4 total stops
  • 53h 23m total
  • Bangkok to St. Louis
2/10
  • 2/10
  • 2 total stops
  • 22h 49m total
  • Bangkok to St. Louis
Highest demand for flights based on searches. 7% potential increase in price (฿102,733 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿22,295 potential savings vs. average return price).
Average for round-trip flights in July 2025

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

Cheapflights Fare Finder

Customise your flight search to find flights from Bangkok to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 8 July 2025.
Use the filters below to find and compare flights from Bangkok to St. Louis that are best for you.

Fly from

Bangkok

Fly to

St. Louis

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
1
2

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

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated 8 July 2025.
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.

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

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.

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

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.

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

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.

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

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.

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

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.

Comfort

8.3

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

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

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?

    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

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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

Discover the top airline that operate flights from Bangkok to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 8 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest฿37,867Average฿44,208FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

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?

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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