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Cheap flights from Thailand to St. Louis from ฿16,749

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 28/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
15 Mar — 22 Mar1
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 13 February 2026.

Thu 19/218:45
BKK
-
STL
2 stops56h 06m
Philippine Airlines
Thu 26/207:00
STL
-
BKK
2 stops40h 00m
Philippine Airlines
Deal found 12/2฿33,219
Sat 28/311:40
BKK
-
STL
2 stops33h 15m
Cathay Pacific
Sat 4/416:13
STL
-
BKK
2 stops29h 47m
Cathay Pacific
Deal found 11/2฿34,832
Wed 25/202:15
BKK
-
STL
2 stops58h 44m
EVA Air
Sun 1/307:00
STL
-
BKK
2 stops39h 30m
EVA Air
Deal found 12/2฿35,670
Sat 21/314:40
BKK
-
STL
2 stops45h 19m
Multiple Airlines
Tue 7/415:50
STL
-
BKK
2 stops30h 35m
Multiple Airlines
Deal found 10/2฿35,856
Sun 29/313:25
BKK
-
STL
2 stops37h 55m
Philippine Airlines
Sun 5/407:00
STL
-
BKK
2 stops41h 10m
Philippine Airlines
Deal found 12/2฿36,818
Wed 26/800:30
BKK
-
STL
2 stops34h 38m
Japan Airlines
Mon 31/808:35
STL
-
BKK
2 stops42h 35m
Japan Airlines
Deal found 9/2฿38,213
Sat 21/323:50
BKK
-
STL
2 stops60h 09m
Multiple Airlines
Wed 1/415:50
STL
-
BKK
2 stops32h 20m
Multiple Airlines
Deal found 11/2฿38,834
Thu 5/320:30
HKT
-
STL
2 stops40h 05m
Qatar Airways
Mon 9/309:37
STL
-
HKT
2 stops33h 13m
Qatar Airways
Deal found 9/2฿41,687
Thu 19/307:15
BKK
-
STL
2 stops44h 14m
แอร์แคนาดา
Mon 30/306:30
STL
-
BKK
2 stops34h 35m
แอร์แคนาดา
Deal found 11/2฿42,214
Wed 18/309:55
BKK
-
STL
2 stops38h 49m
Qatar Airways
Tue 31/307:00
STL
-
BKK
2 stops48h 25m
Qatar Airways
Deal found 11/2฿42,866
Wed 18/309:55
BKK
-
STL
2 stops38h 49m
Qatar Airways
Sat 4/407:00
STL
-
BKK
2 stops42h 25m
Qatar Airways
Deal found 11/2฿43,579

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 13 February 2026.

Round-trip from

฿34,832

One-way from

฿16,749

Popular in

December

Cheapest in

February

Average price

฿29,528
Cathay Pacific
  • Cathay Pacific
  • 28/3-4/4
  • 4 total stops
  • 63h 02m total
  • Thailand to St. Louis
Search Deals
Philippine Airlines
  • Philippine Airlines
  • 28/3
  • 2 total stops
  • 56h 35m total
  • Thailand to St. Louis
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿153,209 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿25,202 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 13 February 2026.
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 21/3

14:40-23:59

2 stops45h 19m

Lambert-St Louis

Tue 7/4

15:50-10:25

2 stops30h 35m

฿35,856

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 29/3

13:25-15:20

2 stops37h 55m

Lambert-St Louis

Sun 5/4

07:00-12:10

2 stops41h 10m

฿36,818

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Thu 5/3

20:30-23:35

2 stops40h 05m

Lambert-St Louis

Mon 9/3

09:37-06:50

2 stops33h 13m

฿41,687

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 23/3

08:15-12:44

2 stops40h 29m

Lambert-St Louis

Sat 4/4

07:00-12:55

2 stops41h 55m

฿43,579

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 19/3

09:55-12:44

2 stops38h 49m

Lambert-St Louis

Sat 4/4

07:00-12:55

2 stops41h 55m

฿43,579

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 20/3

08:15-12:44

2 stops40h 29m

Lambert-St Louis

Tue 31/3

07:00-19:25

2 stops48h 25m

฿43,672

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 18/3

11:40-22:58

2 stops23h 18m

Lambert-St Louis

Sun 29/3

18:50-14:00

2 stops31h 10m

฿43,796

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 20/3

09:55-12:44

2 stops38h 49m

Lambert-St Louis

Sat 4/4

07:00-07:15

2 stops36h 15m

฿44,355

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 18/3

16:55-10:36

3 stops29h 41m

Lambert-St Louis

Sat 4/4

14:40-09:35

3 stops30h 55m

฿45,440

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 24/3

16:55-20:41

3 stops39h 46m

Lambert-St Louis

Fri 3/4

18:35-09:35

3 stops51h 00m

฿45,440

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 18 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 13 February 2026.
Read reviews from past customers who have flown with Japan Airlines 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.
Japan Airlines
8.3
Very Good
1,704 reviews
Check prices

Overall

8.3

Entertainment

7.8

Crew

8.7

Boarding

8.4

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Japan Airlines
8.3
Very Good
1,704 reviews
Japan Airlines
8.3
Very Good
1,704 reviews
Check prices

Overall

8.3

Entertainment

7.8

Crew

8.7

Boarding

8.4

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

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?

    Philippine Airlines and Qatar Airways can get you from Thailand to St. Louis in just under 37h 55m. Your travel time can differ by up to 2h 10m. 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

Browse thousands of different options on Cheapflights for your next trip

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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.
Phuket City to St. Louis flights
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Chiang Mai to Kansas City flights

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 13 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest฿36,925Average฿42,379FlexibilityNo 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 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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