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Cheap flights from Thailand to St. Louis from ฿19,705

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 22/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
15 Jun — 22 Jun1
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 16 May 2026.

Thu 24/1208:15
BKK
-
STL
2 stops44h 15m
แอร์แคนาดา
Sun 7/213:30
STL
-
BKK
2 stops28h 00m
แอร์แคนาดา
Deal found 15/5฿36,154
Wed 9/1213:45
BKK
-
STL
2 stops23h 14m
Multiple Airlines
Wed 6/115:24
STL
-
BKK
2 stops32h 11m
Multiple Airlines
Deal found 15/5฿36,708
Thu 24/1208:15
BKK
-
STL
2 stops44h 15m
แอร์แคนาดา
Sat 13/210:23
STL
-
BKK
2 stops31h 07m
แอร์แคนาดา
Deal found 15/5฿36,870
Thu 24/1208:15
BKK
-
STL
2 stops44h 15m
แอร์แคนาดา
Mon 8/210:23
STL
-
BKK
2 stops31h 07m
แอร์แคนาดา
Deal found 15/5฿36,903
Thu 24/1220:30
BKK
-
STL
2 stops40h 29m
Qatar Airways
Thu 11/207:00
STL
-
BKK
2 stops34h 40m
Qatar Airways
Deal found 15/5฿37,619
Thu 24/1208:15
BKK
-
STL
2 stops44h 15m
แอร์แคนาดา
Fri 12/216:15
STL
-
BKK
2 stops49h 15m
แอร์แคนาดา
Deal found 15/5฿37,717
Mon 21/1208:15
BKK
-
STL
2 stops44h 15m
แอร์แคนาดา
Wed 10/210:23
STL
-
BKK
2 stops31h 07m
แอร์แคนาดา
Deal found 15/5฿39,183
Mon 29/607:45
BKK
-
STL
2 stops40h 36m
แอร์แคนาดา
Tue 25/812:10
STL
-
BKK
2 stops52h 55m
แอร์แคนาดา
Deal found 11/5฿39,215
Tue 30/603:00
BKK
-
STL
2 stops32h 59m
Multiple Airlines
Wed 26/810:16
STL
-
BKK
2 stops38h 39m
Multiple Airlines
Deal found 11/5฿39,476
Fri 3/707:05
BKK
-
STL
2 stops42h 57m
แอร์แคนาดา
Mon 24/812:10
STL
-
BKK
2 stops28h 55m
แอร์แคนาดา
Deal found 11/5฿39,509
Mon 29/607:45
BKK
-
STL
2 stops40h 36m
แอร์แคนาดา
Thu 27/808:55
STL
-
BKK
2 stops26h 25m
แอร์แคนาดา
Deal found 11/5฿39,606
Thu 10/1208:15
BKK
-
STL
2 stops44h 15m
แอร์แคนาดา
Tue 5/109:13
STL
-
BKK
2 stops56h 17m
แอร์แคนาดา
Deal found 15/5฿39,639

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 16 May 2026.

Round-trip from

฿39,215

One-way from

฿19,705

Popular in

March

Cheapest in

February

Average price

฿43,352
แอร์แคนาดา
  • แอร์แคนาดา
  • 29/6-25/8
  • 4 total stops
  • 93h 31m total
  • Thailand to St. Louis
Search Deals
22/7
  • 22/7
  • 2 total stops
  • 50h 44m total
  • Thailand to St. Louis
Search Deals
High demand for flights, 7% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿47,577 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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 16 May 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

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Wed 4/11

00:50-23:56

2 stops36h 06m

Lambert-St Louis

Sun 8/11

08:40-05:50

2 stops32h 10m

฿40,388

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Tue 15/9

20:30-23:20

2 stops38h 50m

Lambert-St Louis

Sat 19/9

14:45-18:50

2 stops40h 05m

฿41,137

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 17/9

21:05-16:42

2 stops55h 37m

Lambert-St Louis

Mon 21/9

10:14-06:20

2 stops32h 06m

฿43,222

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 3/7

13:20-15:50

3 stops38h 30m

Lambert-St Louis

Sun 12/7

19:56-09:45

2 stops25h 49m

฿46,804

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 4/7

09:55-00:16

2 stops50h 21m

Lambert-St Louis

Tue 25/8

06:00-06:20

2 stops36h 20m

฿47,586
Fastest return journey

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 17/9

07:00-23:38

2 stops28h 38m

Lambert-St Louis

Mon 21/9

06:00-04:35

2 stops34h 35m

฿48,140

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 4/7

09:55-00:16

2 stops50h 21m

Lambert-St Louis

Mon 24/8

10:16-06:20

2 stops32h 04m

฿48,922

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 25/5

15:45-15:46

3 stops36h 01m

Lambert-St Louis

Sun 7/6

06:00-04:35

2 stops34h 35m

฿50,811

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Mon 25/5

21:00-23:59

2 stops38h 59m

Lambert-St Louis

Wed 10/6

09:42-14:10

2 stops40h 28m

฿59,442

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Tue 26/5

21:00-23:59

2 stops38h 59m

Lambert-St Louis

Sat 13/6

19:21-14:10

2 stops30h 49m

฿62,504

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 26 resultsSorted by cheapest first
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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?

    Qatar Airways and United Airlines can get you from Thailand to St. Louis in just under 28h 38m. Your travel time can differ by up to 7h 28m. 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

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Fly with Cheapflights

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

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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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