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St. Louis

$597+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$964
(Gotogate)

One-way from

$597
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$1,123
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. 7% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 30, 2025.

This Gotogate deal was found by Cheapflights users on 6/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/118:05 amBKK - STL
2 stops23h 03mJapan Airlines
Tue 7/156:14 amSTL - BKK
2 stops35h 36mJapan Airlines
Deal found 6/29$964
This Air Canada deal was found by Cheapflights users on 6/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:15 amBKK - STL
2 stops44h 14mAir Canada
Mon 12/14:05 pmSTL - BKK
2 stops49h 25mAir Canada
Deal found 6/28$1,125
This EaseMyTrip deal was found by Cheapflights users on 6/28. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:40 amBKK - STL
2 stops47h 59mMultiple Airlines
Sat 10/253:57 pmSTL - BKK
2 stops29h 53mMultiple Airlines
Deal found 6/28$1,134
This oojo deal was found by Cheapflights users on 6/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/92:35 amBKK - STL
2 stops49h 30mChina Airlines
Mon 12/17:00 amSTL - BKK
2 stops44h 45mChina Airlines
Deal found 6/28$1,226
This Qatar Airways deal was found by Cheapflights users on 6/27. 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.
Wed 10/158:25 pmHKT - STL
2 stops34h 43mQatar Airways
Sun 10/191:22 pmSTL - HKT
2 stops30h 28mQatar Airways
Deal found 6/27$1,270
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/312:35 amBKK - STL
2 stops34h 03mDelta
Sun 9/216:00 amSTL - BKK
2 stops29h 25mDelta
Deal found 6/30$1,399
This United Airlines deal was found by Cheapflights users on 6/28. 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 9/279:35 amBKK - STL
2 stops38h 53mUnited Airlines
Sat 10/254:50 pmSTL - BKK
3 stops30h 00mUnited Airlines
Deal found 6/28$1,402
This Korean Air deal was found by Cheapflights users on 6/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/102:35 amBKK - STL
2 stops30h 52mKorean Air
Mon 8/188:46 amSTL - BKK
2 stops26h 39mKorean Air
Deal found 6/29$2,052

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 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

Fri 7/11

8:05 am-7:08 pm

2 stops23h 03m

Lambert-St Louis

Tue 7/15

6:14 am-5:50 am

2 stops35h 36m

$964

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 11/10

8:15 am-3:29 pm

2 stops44h 14m

Lambert-St Louis

Mon 12/1

4:05 pm-6:30 am

2 stops49h 25m

$1,125

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 9/26

2:40 am-2:39 pm

2 stops47h 59m

Lambert-St Louis

Sat 10/25

3:57 pm-9:50 am

2 stops29h 53m

$1,134

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 11/9

2:35 am-3:05 pm

2 stops49h 30m

Lambert-St Louis

Mon 12/1

7:00 am-4:45 pm

2 stops44h 45m

$1,226

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Wed 10/15

8:25 pm-7:08 pm

2 stops34h 43m

Lambert-St Louis

Sun 10/19

1:22 pm-7:50 am

2 stops30h 28m

$1,270

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 8/31

2:35 am-12:38 am

2 stops34h 03m

Lambert-St Louis

Sun 9/21

6:00 am-11:25 pm

2 stops29h 25m

$1,399

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 9/27

9:35 am-12:28 pm

2 stops38h 53m

Lambert-St Louis

Sat 10/25

4:50 pm-10:50 am

3 stops30h 00m

$1,402

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 8/10

2:35 am-9:27 pm

2 stops30h 52m

Lambert-St Louis

Mon 8/18

8:46 am-11:25 pm

2 stops26h 39m

$2,052

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 11/9

1:30 pm-3:05 pm

2 stops38h 35m

$597

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 11/8

2:35 am-3:05 pm

2 stops49h 30m

$653

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 16 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 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.

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 June 30, 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 June 30, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air, and Japan 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.
EVA Air
8.4
Very good
1,210 reviews

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,210 reviews
EVA Air
8.4
Very good
1,210 reviews

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,101 reviews
EVA Air
8.4
Very good
1,210 reviews

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,504 reviews
EVA Air
8.4
Very good
1,210 reviews

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
745 reviews
EVA Air
8.4
Very good
1,210 reviews

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very good
3,285 reviews
EVA Air
8.4
Very good
1,210 reviews

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • 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 China Airlines ($653), Air Canada ($770), and Qatar Airways ($893).

  • 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 Thailand?

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

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Alternative routes for Thailand to St. Louis

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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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,089Average$1,168FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$1,348Average$1,455FlexibilityNo cancel feeOn-time69%

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