St. Louis

$607+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
Jul 11 — Jul 181
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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 June 11, 2026.

This Air Canada deal was found by Cheapflights users on 6/6. 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.
Mon 10/199:50 am
BKK
-
STL
2 stops46h 10m
Air Canada
Tue 10/274:15 pm
STL
-
BKK
2 stops49h 15m
Air Canada
Deal found 6/6$1,114
This Qatar Airways deal was found by Cheapflights users on 6/8. 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.
Tue 6/92:30 am
BKK
-
STL
2 stops33h 29m
Qatar Airways
Tue 9/16:35 am
STL
-
BKK
2 stops35h 45m
Qatar Airways
Deal found 6/8$1,130
This China Airlines deal was found by Cheapflights users on 6/6. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:20 pm
BKK
-
STL
2 stops36h 32m
Multiple Airlines
Mon 7/137:56 pm
STL
-
BKK
2 stops32h 24m
Multiple Airlines
Deal found 6/6$1,138
This Qatar Airways deal was found by Cheapflights users on 6/8. 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.
Tue 6/92:30 am
BKK
-
STL
2 stops33h 29m
Qatar Airways
Sat 8/293:04 pm
STL
-
BKK
2 stops51h 16m
Qatar Airways
Deal found 6/8$1,155
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Tue 6/911:30 pm
BKK
-
STL
2 stops56h 55m
Air Canada
Mon 8/311:36 pm
STL
-
BKK
2 stops27h 29m
Air Canada
Deal found 6/8$1,169
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Tue 6/911:30 pm
BKK
-
STL
2 stops56h 55m
Air Canada
Sun 8/3012:10 pm
STL
-
BKK
2 stops52h 55m
Air Canada
Deal found 6/8$1,172
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Wed 6/102:35 am
BKK
-
STL
2 stops45h 31m
Air Canada
Mon 8/314:40 pm
STL
-
BKK
2 stops24h 25m
Air Canada
Deal found 6/8$1,174
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Wed 6/107:45 am
BKK
-
STL
2 stops24h 40m
Air Canada
Wed 9/28:00 am
STL
-
BKK
2 stops33h 05m
Air Canada
Deal found 6/8$1,175
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Mon 6/89:35 pm
BKK
-
STL
2 stops50h 31m
Air Canada
Wed 9/28:00 am
STL
-
BKK
2 stops33h 05m
Air Canada
Deal found 6/8$1,177
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Wed 6/107:45 am
BKK
-
STL
2 stops24h 40m
Air Canada
Sun 8/3012:10 pm
STL
-
BKK
2 stops52h 55m
Air Canada
Deal found 6/8$1,178
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Mon 6/89:35 pm
BKK
-
STL
2 stops50h 31m
Air Canada
Sun 8/3012:10 pm
STL
-
BKK
2 stops52h 55m
Air Canada
Deal found 6/8$1,180
This Qatar Airways deal was found by Cheapflights users on 6/8. 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.
Sat 6/137:45 pm
BKK
-
STL
2 stops40h 14m
Qatar Airways
Tue 9/16:35 am
STL
-
BKK
2 stops35h 45m
Qatar Airways
Deal found 6/8$1,181

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 June 11, 2026.

Round-trip from

$1,114
(Air Canada)

One-way from

$607
(SmartFares)

Popular in

July

Cheapest in

February

Average price

$1,089
From Thailand to Lambert-St Louis
One-way flight from Thailand to Lambert-St Louis
Highest demand for flights based on searches. 7% potential increase in price ($120 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 11, 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 round-trip

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 7/6

1:20 pm-1:52 pm

2 stops36h 32m

Lambert-St Louis

Mon 7/13

7:56 pm-4:20 pm

2 stops32h 24m

$1,138

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 10/19

10:50 am-2:20 pm

3 stops39h 30m

Lambert-St Louis

Tue 10/27

8:35 am-1:05 pm

2 stops40h 30m

$1,287
Quickest round-trip

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 7/22

5:30 pm-12:10 pm

2 stops30h 40m

Lambert-St Louis

Wed 7/29

6:20 pm-4:20 pm

2 stops34h 00m

$1,378

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 7/6

9:35 am-7:26 pm

2 stops45h 51m

Lambert-St Louis

Mon 7/13

2:57 pm-9:35 am

3 stops30h 38m

$1,465

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 10/19

3:45 pm-9:41 am

3 stops29h 56m

Lambert-St Louis

Tue 10/27

9:13 am-11:25 am

3 stops38h 12m

$1,475

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 7/25

4:45 pm-11:59 pm

2 stops43h 14m

Lambert-St Louis

Sat 8/1

7:56 pm-11:20 am

2 stops27h 24m

$1,500

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Thu 9/10

9:20 am-12:27 am

2 stops51h 07m

Lambert-St Louis

Mon 9/14

7:21 am-7:45 am

2 stops36h 24m

$1,511

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 7/24

7:05 am-4:33 pm

2 stops45h 28m

Lambert-St Louis

Fri 7/31

8:55 am-9:55 pm

2 stops25h 00m

$1,583
Cheapest one-way

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 11/24

3:00 am-11:59 pm

2 stops33h 59m

$607

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 9/13

2:30 am-11:59 pm

2 stops33h 29m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 20 resultsSorted by cheapest first
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
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 June 11, 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.

Overall

8.3

Boarding

8.4

Entertainment

7.8

Crew

8.7

Comfort

8.2

Food

7.7

Reviews

1 / 20
4.0
Okay

Paul,Jun 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.

Overall

8.3

Boarding

8.4

Entertainment

7.8

Crew

8.7

Comfort

8.2

Food

7.7

Reviews

1 / 20
4.0
Okay

Paul,Jun 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.

Overall

8.3

Boarding

8.4

Entertainment

7.8

Crew

8.7

Comfort

8.2

Food

7.7

Reviews

1 / 20
4.0
Okay

Paul,Jun 2026

HND - DFW

When it says Japan Airlines, I expect Japan Airlines!! Not a code share with American Airlines.

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 $1,432, Qatar Airways can have you in St. Louis from Thailand in 39h 10m. The distance from Thailand to St. Louis is about 9145 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Thailand to St. Louis one-way?

    The cheapest airlines for a one-way flight from Thailand to St. Louis are Air Canada ($524), Delta ($608), and Cathay Pacific ($680).

  • 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
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$952Average$1,237FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$1,410Average$1,415FlexibilityNo cancel feeOn-time69%

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