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Cheap flights from Bangkok to St. Louis from ฿22,146

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
20 Jun — 27 Jun1
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 15 June 2025.

Round-trip from

฿32,089

One-way from

฿22,146

Popular in

January

Cheapest in

June

Average price

฿36,254
แอร์แคนาดา
  • แอร์แคนาดา
  • 10/11-1/12
  • 4 total stops
  • 92h 51m total
  • Bangkok to St. Louis
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แอร์แคนาดา
  • แอร์แคนาดา
  • 29/6
  • 2 total stops
  • 25h 48m total
  • Bangkok to St. Louis
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿101,001 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿21,900 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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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 15 June 2025.

Mon 10/1108:35BKK - STL
2 stops43h 51mแอร์แคนาดา
Mon 1/1216:15STL - BKK
2 stops49h 00mแอร์แคนาดา
Deal found 14/6฿32,089
Mon 1/922:05BKK - STL
2 stops37h 04mJapan Airlines
Sun 21/909:56STL - BKK
2 stops25h 04mJapan Airlines
Deal found 13/6฿32,283
Sun 9/1102:15BKK - STL
2 stops49h 50mEVA Air
Mon 1/1207:00STL - BKK
2 stops39h 10mEVA Air
Deal found 13/6฿40,354
Fri 26/901:35BKK - STL
2 stops27h 10mMultiple Airlines
Sat 25/1015:57STL - BKK
2 stops31h 13mMultiple Airlines
Deal found 14/6฿41,613
Sun 31/802:35BKK - STL
2 stops34h 03mเดลต้า
Sun 21/906:45STL - BKK
2 stops27h 00mเดลต้า
Deal found 14/6฿45,325
Sat 27/909:35BKK - STL
2 stops38h 53mUnited Airlines
Sat 25/1016:50STL - BKK
3 stops30h 00mUnited Airlines
Deal found 13/6฿45,454
Sun 27/702:40BKK - STL
2 stops57h 19mChina Airlines
Mon 4/819:32STL - BKK
2 stops32h 48mChina Airlines
Deal found 13/6฿45,939

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 15 June 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

Mon 10/11

08:35-15:26

2 stops43h 51m

Lambert-St Louis

Mon 1/12

16:15-06:15

2 stops49h 00m

฿32,089

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 1/9

22:05-23:09

2 stops37h 04m

Lambert-St Louis

Sun 21/9

09:56-23:00

2 stops25h 04m

฿32,283

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 9/11

02:15-15:05

2 stops49h 50m

Lambert-St Louis

Mon 1/12

07:00-11:10

2 stops39h 10m

฿40,354

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 26/9

01:35-16:45

2 stops27h 10m

Lambert-St Louis

Sat 25/10

15:57-11:10

2 stops31h 13m

฿41,613

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 31/8

02:35-00:38

2 stops34h 03m

Lambert-St Louis

Sun 21/9

06:45-21:45

2 stops27h 00m

฿45,325

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 27/9

09:35-12:28

2 stops38h 53m

Lambert-St Louis

Sat 25/10

16:50-10:50

3 stops30h 00m

฿45,454

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 27/7

02:40-23:59

2 stops57h 19m

Lambert-St Louis

Mon 4/8

19:32-16:20

2 stops32h 48m

฿45,939

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 29/6

07:00-20:48

2 stops25h 48m

฿22,146

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 2/8

08:55-17:07

2 stops44h 12m

฿29,345

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 28/6

02:35-00:43

2 stops34h 08m

฿29,604

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 15 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

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

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.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

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).

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 15 June 2025.
EVA Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,203 reviews
EVA Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very Good
1,494 reviews
EVA Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very Good
738 reviews
EVA Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very Good
3,266 reviews
EVA Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
เดลต้า
8.0
Very Good
7,963 reviews
EVA Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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?

    แอร์แคนาดา, at ฿32,089, was found to be the cheapest airline from Bangkok to St. Louis.Alternate airlines to your destination round-trip include Japan Airlines and EVA Air. แอร์แคนาดา is currently priced 22% 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 แอร์แคนาดา (฿22,146), Qatar Airways (฿29,345), and เดลต้า (฿29,604).

  • 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

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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.
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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 15 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest฿37,546Average฿43,897FlexibilityNo 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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