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St. Louis

$538+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Round-trip from

$1,031
(Delta)

One-way from

$538
(Kiwi.com)

Popular in

September

Cheapest in

October

Average price

$1,104
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 ($19 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 10/3011:40 pmHKT - STL
2 stops25h 42mDelta
Mon 11/33:59 pmSTL - HKT
2 stops41h 11mDelta
Deal found 10/29$1,034
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 11/711:40 pmHKT - STL
2 stops33h 53mDelta
Tue 11/116:00 amSTL - HKT
2 stops27h 10mDelta
Deal found 10/27$1,062
This Ovago deal was found by Cheapflights users on 10/28. 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.
Sat 12/137:15 pmBKK - STL
2 stops41h 42mCathay Pacific
Sat 12/206:44 pmSTL - BKK
2 stops40h 31mCathay Pacific
Deal found 10/28$1,399
This Qatar Airways deal was found by Cheapflights users on 10/27. 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.
Thu 11/612:50 amHKT - STL
2 stops36h 06mQatar Airways
Tue 11/117:00 amSTL - HKT
2 stops40h 55mQatar Airways
Deal found 10/27$1,520
This oojo deal was found by Cheapflights users on 10/30. 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.
Wed 12/312:15 amBKK - STL
2 stops58h 44mEVA Air
Sat 1/246:19 pmSTL - BKK
2 stops28h 11mEVA Air
Deal found 10/30$1,597
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:10 amBKK - STL
2 stops27h 48mUnited Airlines
Sun 12/2110:30 amSTL - BKK
3 stops59h 55mUnited Airlines
Deal found 10/30$1,911
This oojo deal was found by Cheapflights users on 10/30. 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.
Sun 12/145:15 pmBKK - STL
2 stops43h 44mEVA Air
Sun 12/215:26 pmSTL - BKK
2 stops28h 44mEVA Air
Deal found 10/30$1,935
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1312:55 amBKK - STL
2 stops25h 58mKorean Air
Sun 12/217:00 amSTL - BKK
2 stops28h 45mKorean Air
Deal found 10/30$1,942
This Expedia deal was found by Cheapflights users on 10/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:55 amBKK - STL
2 stops25h 58mKorean Air
Sat 12/207:02 pmSTL - BKK
2 stops39h 18mKorean Air
Deal found 10/28$2,015
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:30 amBKK - STL
2 stops26h 59mMultiple Airlines
Sat 1/244:05 pmSTL - BKK
3 stops29h 35mMultiple Airlines
Deal found 10/30$2,175
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/134:55 pmBKK - STL
3 stops30h 12mUnited Airlines
Sat 12/206:00 amSTL - BKK
3 stops64h 25mUnited Airlines
Deal found 10/28$2,266
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/131:30 amBKK - STL
3 stops35h 27mMultiple Airlines
Sun 12/2111:51 amSTL - BKK
3 stops32h 59mMultiple Airlines
Deal found 10/30$2,813

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 October 30, 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

Thu 3/5

11:15 pm-8:39 pm

2 stops34h 24m

Lambert-St Louis

Mon 3/9

5:45 pm-12:45 am

2 stops43h 00m

$1,031

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 3/5

5:40 pm-11:48 pm

2 stops43h 08m

Lambert-St Louis

Mon 3/9

11:18 am-12:15 am

2 stops24h 57m

$1,159

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 3/5

4:55 pm-1:13 pm

3 stops33h 18m

Lambert-St Louis

Mon 3/9

3:13 pm-11:25 am

3 stops32h 12m

$1,424

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 1/1

12:45 pm-3:29 pm

2 stops39h 44m

Lambert-St Louis

Sat 1/24

6:19 pm-12:35 pm

2 stops29h 16m

$1,468

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 12/31

2:15 am-11:59 pm

2 stops58h 44m

Lambert-St Louis

Sat 1/24

6:19 pm-11:30 am

2 stops28h 11m

$1,597

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 12/14

7:10 am-9:58 pm

2 stops27h 48m

Lambert-St Louis

Sun 12/21

10:30 am-11:25 am

3 stops59h 55m

$1,911

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 12/14

5:15 pm-11:59 pm

2 stops43h 44m

Lambert-St Louis

Sun 12/21

5:26 pm-11:10 am

2 stops28h 44m

$1,935

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 12/13

12:55 am-1:53 pm

2 stops25h 58m

Lambert-St Louis

Sun 12/21

7:00 am-12:45 am

2 stops28h 45m

$1,942

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 12/12

12:55 am-1:53 pm

2 stops25h 58m

Lambert-St Louis

Sat 12/20

7:02 pm-11:20 pm

2 stops39h 18m

$2,015

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 1/17

1:45 pm-8:53 pm

3 stops44h 08m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 15 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 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 October 30, 2025.

When flying from Thailand to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 73% versus a flight in the evening.

What is the cheapest day to fly from Thailand to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Thailand to St. Louis. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Thailand to St. Louis flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 30, 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
1,596 reviews

Overall

8.3

Entertainment

7.8

Boarding

8.4

Food

7.7

Crew

8.7

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
1,596 reviews
Japan Airlines
8.3
Very good
1,596 reviews

Overall

8.3

Entertainment

7.8

Boarding

8.4

Food

7.7

Crew

8.7

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
8,998 reviews
Japan Airlines
8.3
Very good
1,596 reviews

Overall

8.3

Entertainment

7.8

Boarding

8.4

Food

7.7

Crew

8.7

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
10,381 reviews
Japan Airlines
8.3
Very good
1,596 reviews

Overall

8.3

Entertainment

7.8

Boarding

8.4

Food

7.7

Crew

8.7

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 $1,424, Delta can have you in St. Louis from Thailand in 33h 18m. 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$980Average$1,211FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$1,015Average$1,207FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,410Average$1,415FlexibilityNo cancel feeOn-time69%

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