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

$531+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — STL
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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

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 December 15, 2025.

This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1911:40 amBKK - STL
2 stops24h 18mCathay Pacific
Sat 12/279:08 amSTL - BKK
2 stops26h 07mCathay Pacific
Deal found 12/15$1,653
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:40 pmBKK - STL
2 stops42h 16mCathay Pacific
Sat 12/279:08 amSTL - BKK
2 stops26h 07mCathay Pacific
Deal found 12/15$1,732
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Fri 12/197:10 amBKK - STL
2 stops23h 44mUnited Airlines
Sat 12/276:00 amSTL - BKK
3 stops40h 25mUnited Airlines
Deal found 12/13$2,064
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:55 pmBKK - STL
3 stops36h 41mUnited Airlines
Sat 12/276:00 amSTL - BKK
3 stops40h 25mUnited Airlines
Deal found 12/14$2,191

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 December 15, 2025.

Round-trip from

$963
(EaseMyTrip)

One-way from

$531
(Trip.com)

Popular in

January

Cheapest in

June

Average price

$1,266
From Thailand to Lambert-St Louis
Search Deals
One-way flight from Thailand to Lambert-St Louis
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 15, 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

Mon 3/16

11:50 pm-1:52 pm

2 stops50h 02m

Lambert-St Louis

Thu 4/2

7:00 am-12:10 pm

2 stops41h 10m

$963

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Thu 1/22

12:20 pm-11:59 pm

2 stops48h 39m

Lambert-St Louis

Sun 1/25

7:04 am-11:20 am

2 stops39h 16m

$1,179

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 3/26

2:05 am-3:57 pm

2 stops49h 52m

Lambert-St Louis

Wed 4/1

5:00 pm-9:45 pm

2 stops40h 45m

$1,218

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 2/17

9:55 am-1:54 pm

2 stops40h 59m

Lambert-St Louis

Thu 2/19

7:00 am-4:25 pm

2 stops44h 25m

$1,300

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 3/30

4:25 pm-6:01 pm

2 stops37h 36m

Lambert-St Louis

Thu 4/2

10:03 am-3:25 pm

2 stops41h 22m

$1,325

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 3/29

5:30 pm-10:58 pm

2 stops41h 28m

Lambert-St Louis

Wed 4/1

10:03 am-3:25 pm

2 stops41h 22m

$1,325

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 1/7

10:05 pm-11:59 pm

2 stops38h 54m

Lambert-St Louis

Fri 1/9

6:00 am-11:35 pm

2 stops28h 35m

$1,338

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 3/28

2:05 am-11:42 pm

2 stops33h 37m

Lambert-St Louis

Mon 3/30

9:30 am-11:40 pm

2 stops26h 10m

$1,365

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 3/26

2:05 am-11:15 pm

2 stops33h 10m

Lambert-St Louis

Sat 3/28

1:00 pm-11:40 pm

2 stops46h 40m

$1,372

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 3/28

7:55 am-10:58 pm

2 stops27h 03m

Lambert-St Louis

Wed 4/1

10:03 am-11:50 pm

2 stops25h 47m

$1,399

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 21 results
1
2
3

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 December 15, 2025.

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 73% versus a flight in the evening.

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 December 16, 2024.

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 December 15, 2025.
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
1,658 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Japan Airlines
8.3
Very good
1,658 reviews
Japan Airlines
8.3
Very good
1,658 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
United Airlines
7.4
Good
9,094 reviews
Japan Airlines
8.3
Very good
1,658 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Food

7.7

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

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 $1,300, Cathay Pacific can have you in St. Louis from Thailand in 40h 59m. 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
Fairview Heights
Maryland Heights
Collinsville
Swansea
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 St. Louis flights
Suvarnabhumi to St. Louis flights
Incheon Intl to Kansas City flights
Hyderabad to St. Louis flights
Narita to Kansas City flights
Gimpo Intl to St. Louis flights
Haneda to St. Louis flights
Gimpo Intl to Kansas City flights
Haneda to Kansas City flights
Manila to St. Louis flights
Hyderabad to Kansas City flights
Hongqiao Intl to St. Louis flights
Taiwan Taoyuan Intl to St. Louis flights
Chennai to Kansas City flights
Capital to St. Louis flights
Okinawa to St. Louis flights
Kansai Intl to Kansas City flights
New Delhi to St. Louis flights
Taiwan Taoyuan Intl to Kansas City flights
Mumbai to Kansas City flights
Hong Kong to St. Louis flights
Phuket City to St. Louis flights
Suvarnabhumi to Kansas City flights
Mumbai to St. Louis flights
Singapore to Kansas City flights
Chennai to Columbia flights
Ho Chi Minh City to St. Louis flights
New Delhi to Springfield flights
Incheon Intl to Springfield flights
Pu Dong to St. Louis flights
Bangalore to St. Louis flights
Chengdu to St. Louis flights
Zhengzhou to Kansas City flights
New Delhi to Kansas City flights
Osaka Itami to Kansas City flights
Guangzhou to Kansas City flights
Capital to Kansas City flights
Hongqiao Intl to Kansas City flights
Pu Dong to Columbia flights
Tbilisi to St. Louis flights
Busan to St. Louis flights

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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$990Average$1,244FlexibilityNo cancel feeOn-time79%
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.