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St. Louis

$540+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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Cheap 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 February 14, 2026.

This oojo deal was found by Cheapflights users on 2/12. 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.
Thu 2/196:45 pm
BKK
-
STL
2 stops56h 06m
Philippine Airlines
Thu 2/267:00 am
STL
-
BKK
2 stops40h 00m
Philippine Airlines
Deal found 2/12$1,071
This oojo deal was found by Cheapflights users on 2/11. 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.
Sat 3/2811:40 am
BKK
-
STL
2 stops33h 15m
Cathay Pacific
Sat 4/44:13 pm
STL
-
BKK
2 stops29h 47m
Cathay Pacific
Deal found 2/11$1,123
This oojo deal was found by Cheapflights users on 2/12. 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 2/252:15 am
BKK
-
STL
2 stops58h 44m
EVA Air
Sun 3/17:00 am
STL
-
BKK
2 stops39h 30m
EVA Air
Deal found 2/12$1,150
This oojo deal was found by Cheapflights users on 2/12. 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 3/291:25 pm
BKK
-
STL
2 stops37h 55m
Philippine Airlines
Sun 4/57:00 am
STL
-
BKK
2 stops41h 10m
Philippine Airlines
Deal found 2/12$1,187
This Japan Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 8/2612:30 am
BKK
-
STL
2 stops34h 38m
Japan Airlines
Mon 8/318:35 am
STL
-
BKK
2 stops33h 15m
Japan Airlines
Deal found 2/10$1,232
This SmartFares deal was found by Cheapflights users on 2/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2111:50 pm
BKK
-
STL
2 stops60h 09m
Multiple Airlines
Tue 4/73:50 pm
STL
-
BKK
2 stops32h 20m
Multiple Airlines
Deal found 2/10$1,235
This Expedia deal was found by Cheapflights users on 2/11. 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.
Sat 3/2111:50 pm
BKK
-
STL
2 stops60h 09m
Multiple Airlines
Wed 4/13:50 pm
STL
-
BKK
2 stops32h 20m
Multiple Airlines
Deal found 2/11$1,252
This Qatar Airways deal was found by Cheapflights users on 2/10. 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 3/58:30 pm
HKT
-
STL
2 stops40h 05m
Qatar Airways
Mon 3/99:37 am
STL
-
HKT
2 stops33h 13m
Qatar Airways
Deal found 2/10$1,345
This Air Canada deal was found by Cheapflights users on 2/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:15 am
BKK
-
STL
2 stops44h 14m
Air Canada
Mon 3/306:30 am
STL
-
BKK
2 stops34h 35m
Air Canada
Deal found 2/11$1,361
This Qatar Airways deal was found by Cheapflights users on 2/11. 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.
Wed 3/189:55 am
BKK
-
STL
2 stops38h 49m
Qatar Airways
Tue 3/317:00 am
STL
-
BKK
2 stops48h 25m
Qatar Airways
Deal found 2/11$1,382
This Mytrip deal was found by Cheapflights users on 2/14. 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.
Tue 3/108:30 pm
HKT
-
STL
2 stops36h 41m
Multiple Airlines
Mon 6/151:00 pm
STL
-
HKT
3 stops32h 35m
Multiple Airlines
Deal found 2/14$1,992
This Trip.com deal was found by Cheapflights users on 2/14. 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.
Tue 3/108:20 am
HKT
-
STL
2 stops40h 24m
Qatar Airways
Mon 6/151:10 pm
STL
-
HKT
2 stops30h 40m
Qatar Airways
Deal found 2/14$2,127

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 February 14, 2026.

Round-trip from

$1,123
(oojo)

One-way from

$540
(oojo)

Popular in

December

Cheapest in

February

Average price

$952
From Thailand to Lambert-St Louis
Search Deals
One-way flight from Thailand to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($159 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 14, 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

Sun 3/29

1:25 pm-3:20 pm

2 stops37h 55m

Lambert-St Louis

Sun 4/5

7:00 am-12:10 pm

2 stops41h 10m

$1,187

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Thu 3/5

8:30 pm-11:35 pm

2 stops40h 05m

Lambert-St Louis

Mon 3/9

9:37 am-6:50 am

2 stops33h 13m

$1,345

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 3/23

8:15 am-12:44 pm

2 stops40h 29m

Lambert-St Louis

Sat 4/4

7:00 am-12:55 pm

2 stops41h 55m

$1,405

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 3/19

9:55 am-12:44 pm

2 stops38h 49m

Lambert-St Louis

Sat 4/4

7:00 am-12:55 pm

2 stops41h 55m

$1,405

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 3/18

11:40 am-10:58 pm

2 stops23h 18m

Lambert-St Louis

Sun 3/29

6:50 pm-2:00 pm

2 stops31h 10m

$1,412

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 3/20

9:55 am-12:44 pm

2 stops38h 49m

Lambert-St Louis

Sat 4/4

7:00 am-7:15 am

2 stops36h 15m

$1,430

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 3/18

4:55 pm-10:36 am

3 stops29h 41m

Lambert-St Louis

Sun 3/29

5:15 am-9:35 am

3 stops40h 20m

$1,465

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 3/24

4:55 pm-8:41 pm

3 stops39h 46m

Lambert-St Louis

Fri 4/3

6:35 pm-9:35 am

3 stops51h 00m

$1,465

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 3/24

4:55 pm-4:05 pm

3 stops35h 10m

Lambert-St Louis

Mon 3/30

8:54 am-9:35 am

3 stops36h 41m

$1,465

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 3/24

4:55 pm-11:34 pm

3 stops42h 39m

Lambert-St Louis

Tue 3/31

8:54 am-9:35 am

3 stops36h 41m

$1,465

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 23 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 February 14, 2026.

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 20% versus a flight in the morning.

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 March 30, 2025.

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 February 14, 2026.
Get a feel of what it's like to fly with Japan Airlines and United Airlines 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
1,705 reviews

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Entertainment

7.8

Food

7.7

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Japan Airlines
8.3
Very good
1,705 reviews
Japan Airlines
8.3
Very good
1,705 reviews

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Entertainment

7.8

Food

7.7

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
United Airlines
7.4
Good
9,289 reviews
Japan Airlines
8.3
Very good
1,705 reviews

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Entertainment

7.8

Food

7.7

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.

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 $1,412, Philippine Airlines can have you in St. Louis from Thailand in 23h 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Thailand to St. Louis

Discover the top 2 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 February 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$980Average$1,237FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$1,410Average$1,415FlexibilityNo cancel feeOn-time69%

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