St. Louis

$945+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
May 27 — Jun 31
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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 April 27, 2026.

This China Airlines deal was found by Cheapflights users on 4/24. 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 10/55:30 pm
BKK
-
STL
2 stops32h 56m
Multiple Airlines
Thu 10/227:00 am
STL
-
BKK
2 stops38h 45m
Multiple Airlines
Deal found 4/24$1,252
This Japan Airlines deal was found by Cheapflights users on 4/24. 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 10/281:10 am
BKK
-
STL
2 stops33h 55m
Japan Airlines
Mon 11/26:00 am
STL
-
BKK
2 stops34h 05m
Japan Airlines
Deal found 4/24$1,258
This Qatar Airways deal was found by Cheapflights users on 4/25. 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 6/97:00 pm
BKK
-
STL
2 stops38h 37m
Qatar Airways
Tue 6/165:18 pm
STL
-
BKK
2 stops31h 37m
Qatar Airways
Deal found 4/25$1,334
This Qatar Airways deal was found by Cheapflights users on 4/24. 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 5/132:30 am
BKK
-
STL
2 stops31h 49m
Qatar Airways
Wed 9/95:11 pm
STL
-
BKK
2 stops32h 14m
Qatar Airways
Deal found 4/24$1,339
This Japan Airlines deal was found by Cheapflights users on 4/22. 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.
Tue 10/209:40 am
BKK
-
STL
2 stops25h 25m
Japan Airlines
Sat 10/248:30 am
STL
-
BKK
2 stops27h 05m
Japan Airlines
Deal found 4/22$1,366
This Air Canada deal was found by Cheapflights users on 4/25. 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 7/67:05 am
BKK
-
STL
2 stops47h 37m
Air Canada
Tue 7/148:55 am
STL
-
BKK
2 stops56h 10m
Air Canada
Deal found 4/25$1,391
This Air Canada deal was found by Cheapflights users on 4/25. 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 7/17:05 am
BKK
-
STL
2 stops42h 57m
Air Canada
Tue 7/148:55 am
STL
-
BKK
2 stops56h 10m
Air Canada
Deal found 4/25$1,396
This Qatar Airways deal was found by Cheapflights users on 4/25. 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 6/309:15 am
BKK
-
STL
2 stops48h 22m
Qatar Airways
Mon 7/139:39 am
STL
-
BKK
2 stops32h 41m
Qatar Airways
Deal found 4/25$1,399
This Air Canada deal was found by Cheapflights users on 4/25. 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.
Fri 7/37:05 am
BKK
-
STL
2 stops42h 57m
Air Canada
Tue 7/148:55 am
STL
-
BKK
2 stops56h 10m
Air Canada
Deal found 4/25$1,422
This Korean Air deal was found by Cheapflights users on 4/23. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:25 pm
HKT
-
STL
2 stops28h 32m
Korean Air
Sun 9/206:00 am
STL
-
HKT
2 stops28h 10m
Korean Air
Deal found 4/23$1,471

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 April 27, 2026.

Round-trip from

$1,252
(China Airlines)

One-way from

$945
(Qatar Airways)

Popular in

March

Cheapest in

February

Average price

$1,198
From Thailand to Lambert-St Louis
One-way flight from Thailand to Lambert-St Louis
High demand for flights, 3% potential price rise
Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 27, 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 10/5

5:30 pm-2:26 pm

2 stops32h 56m

Lambert-St Louis

Thu 10/22

7:00 am-9:45 am

2 stops38h 45m

$1,252

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 6/10

1:00 am-9:37 pm

2 stops32h 37m

Lambert-St Louis

Thu 6/18

7:24 pm-12:55 pm

2 stops29h 31m

$1,334

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 7/2

9:15 am-4:33 pm

2 stops43h 18m

Lambert-St Louis

Sat 7/11

3:55 pm-6:20 am

2 stops26h 25m

$1,423
Quickest round-trip

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Wed 9/16

11:25 pm-3:57 pm

2 stops28h 32m

Lambert-St Louis

Sun 9/20

6:00 am-10:10 pm

2 stops28h 10m

$1,471

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 6/7

3:45 pm-8:41 am

3 stops28h 56m

Lambert-St Louis

Thu 7/23

9:06 am-9:35 am

3 stops36h 29m

$1,478

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 10/20

9:35 am-12:20 pm

2 stops38h 45m

Lambert-St Louis

Sat 10/24

5:18 pm-11:25 am

3 stops30h 07m

$1,479

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 10/5

3:45 pm-10:09 am

3 stops30h 24m

Lambert-St Louis

Thu 10/22

11:05 am-9:35 am

3 stops34h 30m

$1,484

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 7/6

8:00 pm-7:20 pm

2 stops35h 20m

Lambert-St Louis

Wed 7/15

9:39 am-7:15 am

2 stops33h 36m

$1,490
Cheapest one-way

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 5/5

7:00 pm-11:59 pm

2 stops40h 59m

$945
Quickest one-way

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 5/5

12:15 pm-8:55 am

3 stops32h 40m

$988

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 16 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 April 27, 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.

Food

7.7

Entertainment

7.8

Boarding

8.4

Crew

8.7

Comfort

8.2

Overall

8.3

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.

Food

7.7

Entertainment

7.8

Boarding

8.4

Crew

8.7

Comfort

8.2

Overall

8.3

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.

Food

7.7

Entertainment

7.8

Boarding

8.4

Crew

8.7

Comfort

8.2

Overall

8.3

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 $1,471, Qatar Airways can have you in St. Louis from Thailand in 28h 32m. 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
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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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 April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$952Average$1,236FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$1,410Average$1,415FlexibilityNo cancel feeOn-time69%

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