HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$554+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Thailand to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 septiembre 17, 2025.

Round-trip from

$1,042
(Delta)

One-way from

$554
(Kiwi.com)

Popular in

July

Cheapest in

June

Average price

$1,314
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. 1% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 septiembre 17, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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.
jue. 10/3011:40 pmHKT - STL
2 stops29h 49mDelta
lun. 11/36:00 amSTL - HKT
2 stops27h 10mDelta
Deal found 9/16$1,042
This Air Canada deal was found by Cheapflights users on 9/16. 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.
mar. 11/48:15 amBKK - STL
2 stops44h 14mAir Canada
mar. 11/184:05 pmSTL - BKK
2 stops49h 25mAir Canada
Deal found 9/16$1,047
This oojo deal was found by Cheapflights users on 9/16. 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.
lun. 11/32:15 amBKK - STL
2 stops50h 03mEVA Air
mar. 11/187:00 amSTL - BKK
2 stops39h 10mEVA Air
Deal found 9/16$1,114
This Korean Air deal was found by Cheapflights users on 9/15. 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.
jue. 10/3011:40 pmHKT - STL
2 stops25h 42mKorean Air
lun. 11/36:00 amSTL - HKT
2 stops27h 10mKorean Air
Deal found 9/15$1,155
This Delta deal was found by Cheapflights users on 9/16. 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.
sáb. 9/279:40 pmBKK - STL
2 stops38h 58mDelta
sáb. 10/256:50 amSTL - BKK
2 stops26h 40mDelta
Deal found 9/16$1,232
This EaseMyTrip deal was found by Cheapflights users on 9/15. 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.
sáb. 9/278:05 amBKK - STL
2 stops26h 45mCathay Pacific
sáb. 10/255:09 pmSTL - BKK
2 stops29h 31mCathay Pacific
Deal found 9/15$1,241
This United Airlines deal was found by Cheapflights users on 9/15. 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.
sáb. 9/277:00 amBKK - STL
2 stops21h 32mUnited Airlines
sáb. 10/258:25 amSTL - BKK
3 stops39h 00mUnited Airlines
Deal found 9/15$1,437
This United Airlines deal was found by Cheapflights users on 9/16. 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.
mar. 11/44:55 pmBKK - STL
3 stops30h 44mUnited Airlines
mar. 11/181:35 pmSTL - BKK
3 stops32h 50mUnited Airlines
Deal found 9/16$1,448
This Qatar Airways deal was found by Cheapflights users on 9/15. 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.
mié. 10/2912:50 amHKT - STL
2 stops30h 19mQatar Airways
lun. 11/38:39 amSTL - HKT
2 stops33h 11mQatar Airways
Deal found 9/15$1,492

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 septiembre 17, 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

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

jue. 10/30

11:40 pm-5:29 pm

2 stops29h 49m

Lambert-St Louis

lun. 11/3

6:00 am-10:10 pm

2 stops27h 10m

$1,042

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

mar. 11/4

8:15 am-3:29 pm

2 stops44h 14m

Lambert-St Louis

mar. 11/18

4:05 pm-6:30 am

2 stops49h 25m

$1,047

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

lun. 11/3

2:15 am-3:18 pm

2 stops50h 03m

Lambert-St Louis

mar. 11/18

7:00 am-11:10 am

2 stops39h 10m

$1,114

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

jue. 10/30

11:40 pm-1:22 pm

2 stops25h 42m

Lambert-St Louis

lun. 11/3

6:00 am-10:10 pm

2 stops27h 10m

$1,155

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

jue. 3/5

11:40 am-11:08 pm

2 stops24h 28m

Lambert-St Louis

lun. 3/9

11:18 am-6:15 pm

2 stops42h 57m

$1,178

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

sáb. 9/27

9:40 pm-12:38 am

2 stops38h 58m

Lambert-St Louis

sáb. 10/25

6:50 am-9:30 pm

2 stops26h 40m

$1,232

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

sáb. 9/27

8:05 am-10:50 pm

2 stops26h 45m

Lambert-St Louis

sáb. 10/25

5:09 pm-10:40 am

2 stops29h 31m

$1,241

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

jue. 3/5

4:55 pm-9:42 am

3 stops29h 47m

Lambert-St Louis

lun. 3/9

11:45 am-5:10 am

2 stops29h 25m

$1,434

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

sáb. 9/27

7:00 am-9:58 pm

3 stops26h 58m

Lambert-St Louis

sáb. 10/25

1:40 pm-11:25 am

3 stops33h 45m

$1,437

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

mié. 10/29

12:50 am-7:09 pm

2 stops30h 19m

Lambert-St Louis

lun. 11/3

8:39 am-6:50 am

2 stops33h 11m

$1,492

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 12 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 septiembre 17, 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 septiembre 17, 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
1,559 reviews

Crew

8.7

Food

7.7

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Overall

8.3

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
1,559 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Crew

8.7

Food

7.7

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Overall

8.3

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
8,926 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Crew

8.7

Food

7.7

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Overall

8.3

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
10,000 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Crew

8.7

Food

7.7

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Overall

8.3

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 $1,042, Delta can have you in St. Louis from Thailand in 29h 49m. 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.

  • 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 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Thailand to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Kansas City flights
Hyderabad to St. Louis flights
Gimpo Intl to Kansas City flights
Manila to St. Louis flights
New Delhi to St. Louis flights
Suvarnabhumi to Kansas City flights
Mumbai to Kansas City flights
Suvarnabhumi to St. Louis flights
Hyderabad to Kansas City flights
Haneda to St. Louis flights
Incheon Intl to Springfield flights
Narita to Kansas City flights
Mumbai to St. Louis flights
Haneda to Kansas City flights
Incheon Intl to St. Louis flights
Okinawa to Springfield flights
Pu Dong to Kansas City flights
Bangalore to St. Louis flights
Manila to Kansas City flights
New Delhi to Kansas City flights
Bangalore to Kansas City flights
Capital to St. Louis flights
Hongqiao Intl to St. Louis flights
Ho Chi Minh City to Kansas City flights
Chennai to Kansas City flights
Taiwan Taoyuan Intl to St. Louis flights
Ho Chi Minh City to St. Louis flights
Hong Kong to St. Louis flights
Busan to St. Louis flights
Okinawa to St. Louis flights
Chennai to St. Louis flights
Taiwan Taoyuan Intl to Kansas City flights
Hong Kong to Kansas City flights
Chiang Mai to Kansas City flights
Singapore to Kansas City flights
Phuket City to St. Louis flights
Chengdu to Kansas City flights
Jaipur to St. Louis flights
Zhengzhou to Kansas City flights
Kolkata to Kansas City flights
Guangzhou to Kansas City flights
Pune to St. Louis flights

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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$980Average$1,221FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$1,015Average$1,207FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,410Average$1,415FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.