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St. Louis

$488+ Cheap flights from Thailand to St. Louis (STL)

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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
ago. 26 — sep. 21
mar. 8/26
mar. 9/2
1 adult, Economy
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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 agosto 21, 2025.

Round-trip from

$943
(EaseMyTrip)

One-way from

$488
(Kiwi.com)

Popular in

July

Cheapest in

June

Average price

$1,371
From Thailand to Lambert-St Louis
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One-way flight from Thailand to Lambert-St Louis
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Highest demand for flights based on searches. 1% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 agosto 21, 2025.

This EaseMyTrip deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/19:45 amBKK - STL
2 stops25h 24mJapan Airlines
dom. 9/219:56 amSTL - BKK
2 stops25h 04mJapan Airlines
Deal found 8/21$943
This Ovago deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1710:05 pmBKK - STL
2 stops36h 54mJapan Airlines
mar. 11/46:00 amSTL - BKK
2 stops28h 35mJapan Airlines
Deal found 8/20$988
This OneTravel deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1710:05 pmBKK - STL
2 stops36h 54mJapan Airlines
lun. 11/32:17 pmSTL - BKK
2 stops44h 18mJapan Airlines
Deal found 8/21$1,006
This Trip.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1911:20 pmBKK - STL
2 stops35h 39mMultiple Airlines
jue. 10/306:39 amSTL - BKK
2 stops41h 26mMultiple Airlines
Deal found 8/21$1,037
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1710:05 pmBKK - STL
2 stops36h 54mJapan Airlines
jue. 10/308:42 amSTL - BKK
2 stops32h 23mJapan Airlines
Deal found 8/20$1,067
This Japan Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/2612:25 amBKK - STL
2 stops34h 34mJapan Airlines
sáb. 10/259:58 amSTL - BKK
2 stops49h 37mJapan Airlines
Deal found 8/21$1,093
This Gurufare deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1212:25 amBKK - STL
2 stops34h 34mJapan Airlines
vie. 10/38:50 amSTL - BKK
2 stops33h 00mJapan Airlines
Deal found 8/20$1,100
This Gurufare deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1812:25 amBKK - STL
2 stops34h 34mJapan Airlines
mié. 10/297:16 amSTL - BKK
2 stops45h 04mJapan Airlines
Deal found 8/21$1,107
This oojo deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1311:00 amBKK - STL
2 stops23h 50mCathay Pacific
vie. 10/36:20 amSTL - BKK
2 stops39h 40mCathay Pacific
Deal found 8/20$1,110
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/3011:20 pmHKT - STL
2 stops26h 02mDelta
lun. 11/35:15 pmSTL - HKT
2 stops39h 25mDelta
Deal found 8/20$1,132
This Qatar Airways deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2912:50 amHKT - STL
2 stops31h 36mQatar Airways
lun. 11/32:17 pmSTL - HKT
2 stops26h 33mQatar Airways
Deal found 8/20$1,457

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated agosto 21, 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

lun. 9/1

9:45 am-11:09 pm

2 stops25h 24m

Lambert-St Louis

dom. 9/21

9:56 am-11:00 pm

2 stops25h 04m

$943

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

mié. 9/17

10:05 pm-10:59 pm

2 stops36h 54m

Lambert-St Louis

mar. 11/4

6:00 am-11:35 pm

2 stops28h 35m

$988

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

mié. 9/17

10:05 pm-10:59 pm

2 stops36h 54m

Lambert-St Louis

lun. 11/3

2:17 pm-11:35 pm

2 stops44h 18m

$1,006

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

vie. 9/19

11:20 pm-10:59 pm

2 stops35h 39m

Lambert-St Louis

jue. 10/30

6:39 am-12:05 pm

2 stops41h 26m

$1,037

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

mié. 9/17

10:05 pm-10:59 pm

2 stops36h 54m

Lambert-St Louis

jue. 10/30

8:42 am-5:05 am

2 stops32h 23m

$1,067

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

mié. 9/17

9:45 am-10:59 pm

2 stops49h 14m

Lambert-St Louis

mié. 10/29

4:12 pm-4:20 pm

2 stops36h 08m

$1,067

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

vie. 9/26

12:25 am-10:59 pm

2 stops34h 34m

Lambert-St Louis

sáb. 10/25

9:58 am-11:35 pm

2 stops49h 37m

$1,093

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

vie. 9/12

12:25 am-10:59 pm

2 stops34h 34m

Lambert-St Louis

vie. 10/3

8:50 am-5:50 am

2 stops33h 00m

$1,100

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

mié. 9/17

12:25 am-10:59 pm

2 stops34h 34m

Lambert-St Louis

mié. 10/29

7:16 am-5:05 am

2 stops33h 49m

$1,107

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

jue. 10/30

11:20 pm-1:22 pm

2 stops26h 02m

Lambert-St Louis

lun. 11/3

5:15 pm-9:40 pm

2 stops39h 25m

$1,132

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 22 results
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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 round-trip 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

What is the cheapest time of day to fly from TH to STL?

Find hourly flight availability from Thailand to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 21, 2025.

When flying from Thailand to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 agosto 21, 2025.
Get a feel of what it's like to fly with Japan Airlines, United Airlines, and Air Canada from Thailand to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,552 reviews

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

The plane was delayed due to maintenance after everybody boarded (1 hour), the inside of the plane was not air conditioned before takeoff, and the weather outside was hot. Upon arriving in JFK, there were further delays. The airline attendants were passive aggresive and not certainly were not polite.
Japan Airlines
8.3
Very good
1,552 reviews
Japan Airlines
8.3
Very good
1,552 reviews

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

The plane was delayed due to maintenance after everybody boarded (1 hour), the inside of the plane was not air conditioned before takeoff, and the weather outside was hot. Upon arriving in JFK, there were further delays. The airline attendants were passive aggresive and not certainly were not polite.
United Airlines
7.4
Good
8,930 reviews
Japan Airlines
8.3
Very good
1,552 reviews

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

The plane was delayed due to maintenance after everybody boarded (1 hour), the inside of the plane was not air conditioned before takeoff, and the weather outside was hot. Upon arriving in JFK, there were further delays. The airline attendants were passive aggresive and not certainly were not polite.
Air Canada
7.1
Good
10,000 reviews
Japan Airlines
8.3
Very good
1,552 reviews

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

The plane was delayed due to maintenance after everybody boarded (1 hour), the inside of the plane was not air conditioned before takeoff, and the weather outside was hot. Upon arriving in JFK, there were further delays. The airline attendants were passive aggresive and not certainly were not polite.

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?

    If you book a flight to St. Louis from Thailand, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

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

    For as low as $943, Japan Airlines can have you in St. Louis from Thailand in 25h 24m. The distance from Thailand to St. Louis is about 8737 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from Thailand to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Thailand to St. Louis (average of $311). Flying from Thailand to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Farmington
Festus

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Top 3 airlines flying from Thailand to St. Louis

Discover the top 3 airlines 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 2,558,603 searches. Data last updated agosto 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,015Average$1,207FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$1,089Average$1,179FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$1,349Average$1,415FlexibilityNo cancel feeOn-time69%

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