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Cheap flights from Thailand to St. Louis from ฿23,453

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
14 Jul — 21 Jul1
1 adult

Cheap 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 9 July 2025.

Round-trip from

฿31,878

One-way from

฿23,453

Popular in

January

Cheapest in

June

Average price

฿43,654
Japan Airlines
  • Japan Airlines
  • 23/8-30/8
  • 4 total stops
  • 53h 05m total
  • Thailand to St. Louis
17/7
  • 17/7
  • 3 total stops
  • 46h 17m total
  • Thailand to St. Louis
Highest demand for flights based on searches. 7% potential increase in price (฿102,546 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿22,235 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Thailand to St. Louis

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 9 July 2025.

Sat 23/809:45BKK - STL
2 stops25h 24mJapan Airlines
Sat 30/807:19STL - BKK
2 stops27h 41mJapan Airlines
Deal found 8/7฿31,878
Mon 10/1108:15BKK - STL
2 stops44h 14mแอร์แคนาดา
Mon 1/1216:05STL - BKK
2 stops49h 25mแอร์แคนาดา
Deal found 8/7฿36,692
Fri 26/902:40BKK - STL
2 stops48h 01mMultiple Airlines
Sat 25/1015:57STL - BKK
2 stops29h 53mMultiple Airlines
Deal found 8/7฿39,490
Sun 9/1102:35BKK - STL
2 stops49h 30mChina Airlines
Mon 1/1207:00STL - BKK
2 stops44h 45mChina Airlines
Deal found 8/7฿39,815
Wed 15/1020:25HKT - STL
2 stops36h 01mQatar Airways
Sun 19/1008:42STL - HKT
2 stops35h 08mQatar Airways
Deal found 7/7฿41,279
Sun 31/802:35BKK - STL
2 stops34h 03mเดลต้า
Sun 21/907:40STL - BKK
2 stops29h 25mเดลต้า
Deal found 8/7฿45,345
Sat 27/909:35BKK - STL
2 stops38h 53mUnited Airlines
Sat 25/1017:28STL - BKK
3 stops29h 22mUnited Airlines
Deal found 8/7฿45,508

Cheapflights Fare Finder

Customise your flight search to find flights from Thailand 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 9 July 2025.
Use the filters below to find and compare flights from Thailand to St. Louis that are best for you.

Fly from

Thailand

Fly to

St. Louis

Route

Depart

Return

Price

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 23/8

09:45-23:09

2 stops25h 24m

Lambert-St Louis

Sat 30/8

07:19-23:00

2 stops27h 41m

฿31,878

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

฿36,692

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

฿39,490

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

฿39,815

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Wed 15/10

20:25-20:26

2 stops36h 01m

Lambert-St Louis

Sun 19/10

08:42-07:50

2 stops35h 08m

฿41,279

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 31/8

02:35-00:38

2 stops34h 03m

Lambert-St Louis

Sun 21/9

07:40-01:05

2 stops29h 25m

฿45,345

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 27/9

09:35-12:28

2 stops38h 53m

Lambert-St Louis

Sat 25/10

17:28-10:50

3 stops29h 22m

฿45,508

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

฿186,553

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 17/7

13:30-23:47

3 stops46h 17m

฿23,453

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 15/7

01:20-20:00

2 stops54h 40m

฿24,917

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 16 results
1
2

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

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 9 July 2025.
Read reviews from past customers who have flown with Japan Airlines, China Airlines, andเดลต้า 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.

Entertainment

7.8

Food

7.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Entertainment

7.8

Food

7.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Entertainment

7.8

Food

7.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Entertainment

7.8

Food

7.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Entertainment

7.8

Food

7.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Entertainment

7.8

Food

7.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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?

    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.

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

    ฿24,917 is the cheapest one-way deal found within the past few days, from แอร์แคนาดา. You may also be able to find cheap deals on Qatar Airways and เดลต้า, with prices starting from ฿29,146 and ฿31,748, respectively.

  • 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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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

Discover the top airline that operate flights from Thailand 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 9 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest฿37,832Average฿44,166FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

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

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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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