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Cheap flights from Thailand to St. Louis from ฿19,259

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
14 Sep — 21 Sep1
1 adult
1 adult, Economy, 0 bags

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 15 August 2026.

Wed 30/917:50 -
2 stops56h 31m
Tue 13/1007:02 -
2 stops40h 58m
Deal found 11/8฿36,297
Wed 30/909:55 -
2 stops50h 04m
Tue 13/1007:02 -
2 stops35h 18m
Deal found 11/8฿37,225
Fri 25/907:05 -
2 stops41h 35m
Fri 2/1008:55 -
2 stops56h 10m
Deal found 11/8฿37,921
Sat 26/907:35 -
2 stops23h 03m
Fri 6/1119:05 -
2 stops28h 00m
Deal found 12/8฿38,816
Wed 23/921:40 -
2 stops37h 50m
Sun 27/911:01 -
2 stops30h 44m
Deal found 10/8฿42,330
Wed 23/921:35 -
2 stops37h 55m
Mon 19/1011:31 -
2 stops32h 14m
Deal found 14/8฿46,971
Fri 18/921:35 -
2 stops37h 55m
Sun 20/906:00 -
2 stops37h 45m
Deal found 14/8฿49,026
Sat 26/915:45 -
3 stops30h 25m
Fri 6/1113:40 -
3 stops32h 50m
Deal found 12/8฿49,357
Wed 23/915:45 -
3 stops30h 25m
Sun 27/909:00 -
3 stops36h 35m
Deal found 10/8฿49,490
Fri 25/915:45 -
2 stops38h 58m
Fri 2/1016:39 -
3 stops28h 56m
Deal found 11/8฿49,788
Fri 11/910:50 -
2 stops25h 05m
Fri 18/920:45 -
2 stops25h 00m
Deal found 12/8฿62,948

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 15 August 2026.

Round-trip from

฿36,297

One-way from

฿19,259

Popular in

July

Cheapest in

February
30/9-13/10
  • 30/9-13/10
  • 4 total stops
  • 97h 29m total
  • Thailand to St. Louis
Search Deals
11/11
  • 11/11
  • 2 total stops
  • 37h 34m total
  • Thailand to St. Louis
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (฿382,554 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿60,667 potential savings vs. average return price).
Search Deals

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 15 August 2026.
Use the filters below to find and compare flights from Thailand to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Wed 10/2

08:25-15:41

2 stops44h 16m

Lambert-St Louis

Sun 14/2

19:04-06:30

2 stops46h 26m

฿36,861

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Wed 30/9

17:30-22:45

3 stops41h 15m

Lambert-St Louis

Tue 13/10

08:35-12:10

2 stops39h 35m

฿41,501

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Wed 23/9

21:40-23:30

2 stops37h 50m

Lambert-St Louis

Sun 27/9

11:01-05:45

2 stops30h 44m

฿42,330

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sat 26/9

17:30-18:38

2 stops37h 08m

Lambert-St Louis

Fri 6/11

16:00-09:50

3 stops28h 50m

฿46,175

Phuket CitySt. Louis

HKT Phuket City - STL Lambert-St Louis

HKTSTL

Phuket City

Wed 23/9

21:35-23:30

2 stops37h 55m

Lambert-St Louis

Mon 19/10

11:31-07:45

2 stops32h 14m

฿46,971
Fastest return journey

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Wed 10/2

09:10-21:13

2 stops25h 03m

Lambert-St Louis

Sun 14/2

13:08-11:30

3 stops33h 22m

฿48,926

Phuket CitySt. Louis

HKT Phuket City - STL Lambert-St Louis

HKTSTL

Phuket City

Fri 18/9

21:35-23:30

2 stops37h 55m

Lambert-St Louis

Sun 20/9

06:00-07:45

2 stops37h 45m

฿49,026

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sat 26/9

15:45-10:10

3 stops30h 25m

Lambert-St Louis

Fri 6/11

13:40-11:30

3 stops32h 50m

฿49,357

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Wed 23/9

15:45-10:10

3 stops30h 25m

Lambert-St Louis

Sun 27/9

09:00-09:35

3 stops36h 35m

฿49,490

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Wed 30/9

15:45-10:48

3 stops31h 03m

Lambert-St Louis

Tue 13/10

13:36-09:35

3 stops31h 59m

฿49,490

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 19 resultsSorted by cheapest first
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.

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.

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

    แอร์แคนาดา, Japan Airlines, and Qatar Airways can get you from Thailand to St. Louis in just under 37h 50m. Your travel time can differ by up to 6h 26m. 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

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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.
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Fly with Cheapflights

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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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