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

฿24,917 is the cheapest one-way deal found within the past few days, from แอร์แคนาดา. You may also be able to find cheap deals on Qatar Airways and เดลต้า, with prices starting from ฿29,146 and ฿31,748, respectively. Find deals

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm. Find deals

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C). Find deals

What is the cheapest month to fly from Thailand to St. Louis?

The best pricing can be found in the month of June. Prices to St. Louis from Thailand average ฿41,705. You can even find prices in June for less than ฿41,705, as users have found deals to St. Louis from as low as ฿32,496. The month of January appears to be one of the more expensive times to travel to St. Louis from Thailand. Flying in the targeted month can save you up to 18%. Find deals

What is the cheapest time of day to fly from TH to STL?

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.

What airport do you fly into for flights to St. Louis from Thailand?

Lambert-St Louis (STL), located 20.4 km from the city centre, is the airport you fly into when you book flights from Thailand to St. Louis.

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 holiday 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.

฿23,453+ Flights from Thailand to St. Louis

Cheap flight deals from Thailand to St. Louis

Round-trip from	฿31,878
One-way from	฿23,453
Popular in	January
Cheapest in	June
Average price	฿43,654

Japan Airlines
23/8-30/8
4 total stops
53h 05m total
Thailand to St. Louis

Search Deals

17/7
3 total stops
46h 17m total
Thailand to St. Louis

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (฿102,546 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (฿22,235 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 9 July 2025.

Sat 23/809:45BKK - STL

2 stops25h 24mJapan Airlines

Sat 30/807:19STL - BKK

2 stops27h 41mJapan Airlines

Deal found 8/7฿31,878

Mon 10/1108:15BKK - STL

2 stops44h 14mแอร์แคนาดา

Mon 1/1216:05STL - BKK

2 stops49h 25mแอร์แคนาดา

Deal found 8/7฿36,692

Fri 26/902:40BKK - STL

2 stops48h 01mMultiple Airlines

Sat 25/1015:57STL - BKK

2 stops29h 53mMultiple Airlines

Deal found 8/7฿39,490

Sun 9/1102:35BKK - STL

2 stops49h 30mChina Airlines

Mon 1/1207:00STL - BKK

2 stops44h 45mChina Airlines

Deal found 8/7฿39,815

Wed 15/1020:25HKT - STL

2 stops36h 01mQatar Airways

Sun 19/1008:42STL - HKT

2 stops35h 08mQatar Airways

Deal found 7/7฿41,279

Sun 31/802:35BKK - STL

2 stops34h 03mเดลต้า

Sun 21/907:40STL - BKK

2 stops29h 25mเดลต้า

Deal found 8/7฿45,345

Sat 27/909:35BKK - STL

2 stops38h 53mUnited Airlines

Sat 25/1017:28STL - BKK

3 stops29h 22mUnited Airlines

Deal found 8/7฿45,508

Best flights from Thailand to St. Louis
Discover carefully curated flight deals from Thailand to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 July 2025.

Sat 23/809:45BKK - STL

2 stops25h 24mJapan Airlines

Sat 30/807:19STL - BKK

2 stops27h 41mJapan Airlines

Deal found 8/7฿31,878

Mon 10/1108:15BKK - STL

2 stops44h 14mแอร์แคนาดา

Mon 1/1216:05STL - BKK

2 stops49h 25mแอร์แคนาดา

Deal found 8/7฿36,692

Fri 26/902:40BKK - STL

2 stops48h 01mMultiple Airlines

Sat 25/1015:57STL - BKK

2 stops29h 53mMultiple Airlines

Deal found 8/7฿39,490

Sun 9/1102:35BKK - STL

2 stops49h 30mChina Airlines

Mon 1/1207:00STL - BKK

2 stops44h 45mChina Airlines

Deal found 8/7฿39,815

Wed 15/1020:25HKT - STL

2 stops36h 01mQatar Airways

Sun 19/1008:42STL - HKT

2 stops35h 08mQatar Airways

Deal found 7/7฿41,279

Sun 31/802:35BKK - STL

2 stops34h 03mเดลต้า

Sun 21/907:40STL - BKK

2 stops29h 25mเดลต้า

Deal found 8/7฿45,345

Sat 27/909:35BKK - STL

2 stops38h 53mUnited Airlines

Sat 25/1017:28STL - BKK

3 stops29h 22mUnited Airlines

Deal found 8/7฿45,508

Sat 19/723:25BKK - STL

2 stops30h 42mออสเตรียนแอร์ไลน์

Tue 5/811:24STL - BKK

2 stops39h 26mออสเตรียนแอร์ไลน์

Deal found 7/7฿186,553

Last-minute flights from Thailand to St. Louis
Discover last-minute flight deals from Thailand to St. Louis. Data last updated 9 July 2025 and is based on user searches.

Sat 12/703:40BKK - STL

2 stops30h 35mEmirates

Tue 5/815:20STL - BKK

2 stops33h 10mEmirates

Deal found 7/7฿101,620

Mon 14/707:00BKK - STL

2 stops26h 35mUnited Airlines

Tue 5/815:20STL - BKK

2 stops25h 15mUnited Airlines

Deal found 7/7฿74,198

Mon 14/723:25BKK - STL

2 stops30h 42mออสเตรียนแอร์ไลน์

Tue 5/811:24STL - BKK

2 stops39h 26mออสเตรียนแอร์ไลน์

Deal found 7/7฿152,853

Tue 15/722:05BKK - STL

2 stops37h 25mJapan Airlines

Tue 5/807:23STL - BKK

2 stops27h 37mJapan Airlines

Deal found 7/7฿67,855

Wed 16/722:05BKK - STL

2 stops25h 51mMultiple Airlines

Tue 5/807:23STL - BKK

2 stops27h 37mMultiple Airlines

Deal found 7/7฿68,733

Thu 17/723:00BKK - STL

2 stops32h 00mลุฟท์ฮันซ่า

Tue 5/817:31STL - BKK

2 stops56h 39mลุฟท์ฮันซ่า

Deal found 7/7฿160,692

Sat 23/809:45BKK - STL

2 stops25h 24mJapan Airlines

Sat 30/807:19STL - BKK

2 stops27h 41mJapan Airlines

Deal found 8/7฿31,878

Sun 31/802:40BKK - STL

2 stops48h 01mMultiple Airlines

Sun 21/918:30STL - BKK

2 stops29h 40mMultiple Airlines

Deal found 9/7฿42,353

Sun 31/802:35BKK - STL

2 stops34h 03mเดลต้า

Sun 21/907:40STL - BKK

2 stops29h 25mเดลต้า

Deal found 8/7฿45,345

One-way flights from Thailand to St. Louis
Search for one-way flight options from Thailand to St. Louis. Find affordable one-way fares based on user searches. Data last updated 9 July 2025.

Thu 17/713:30BKK - STL

3 stops46h 17mMultiple Airlines

Deal found 8/7฿23,453

Tue 15/701:20BKK - STL

2 stops54h 40mแอร์แคนาดา

Deal found 8/7฿24,917

Thu 7/802:30BKK - STL

2 stops33h 29mQatar Airways

Deal found 8/7฿29,146

Fri 8/823:30BKK - STL

2 stops45h 04mเดลต้า

Deal found 8/7฿31,748

Fri 1/802:40BKK - STL

2 stops57h 19mChina Airlines

Deal found 9/7฿33,667

Sat 2/822:05BKK - STL

2 stops26h 38mJapan Airlines

Deal found 6/7฿42,418

Sat 25/1022:15HKT - STL

3 stops52h 50mMultiple Airlines

Deal found 9/7฿85,421

Sat 25/1020:30HKT - STL

2 stops31h 33mQatar Airways

Deal found 9/7฿123,512

Cheapflights Fare Finder

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

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 23/8

09:45-23:09

2 stops25h 24m

Lambert-St Louis

Sat 30/8

07:19-23:00

2 stops27h 41m

฿31,878

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 10/11

08:15-15:29

2 stops44h 14m

Lambert-St Louis

Mon 1/12

16:05-06:30

2 stops49h 25m

฿36,692

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 26/9

02:40-14:41

2 stops48h 01m

Lambert-St Louis

Sat 25/10

15:57-09:50

2 stops29h 53m

฿39,490

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 9/11

02:35-15:05

2 stops49h 30m

Lambert-St Louis

Mon 1/12

07:00-16:45

2 stops44h 45m

฿39,815

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Wed 15/10

20:25-20:26

2 stops36h 01m

Lambert-St Louis

Sun 19/10

08:42-07:50

2 stops35h 08m

฿41,279

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 31/8

02:35-00:38

2 stops34h 03m

Lambert-St Louis

Sun 21/9

07:40-01:05

2 stops29h 25m

฿45,345

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 27/9

09:35-12:28

2 stops38h 53m

Lambert-St Louis

Sat 25/10

17:28-10:50

3 stops29h 22m

฿45,508

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 19/7

23:25-18:07

2 stops30h 42m

Lambert-St Louis

Tue 5/8

11:24-14:50

2 stops39h 26m

฿186,553

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 17/7

13:30-23:47

3 stops46h 17m

฿23,453

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 15/7

01:20-20:00

2 stops54h 40m

฿24,917

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 16 results

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 return 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

Read reviews from past customers who have flown with Japan Airlines, China Airlines, andเดลต้า from Thailand to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Japan Airlines

8.3

Very Good

1,509 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Japan Airlines

8.3

Very Good

1,509 reviews

Japan Airlines

8.3

Very Good

1,509 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Roger,Jun 2025

ORD - PIT

China Airlines

8.3

Very Good

744 reviews

Japan Airlines

8.3

Very Good

1,509 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Roger,Jun 2025

ORD - PIT

เดลต้า

8.0

Very Good

7,958 reviews

Japan Airlines

8.3

Very Good

1,509 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Roger,Jun 2025

ORD - PIT

ออสเตรียนแอร์ไลน์

7.6

Good

806 reviews

Japan Airlines

8.3

Very Good

1,509 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Roger,Jun 2025

ORD - PIT

Qatar Airways

7.4

Good

3,590 reviews

Japan Airlines

8.3

Very Good

1,509 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Roger,Jun 2025

ORD - PIT

Related info for your journey

What airport do you fly into for flights to St. Louis from Thailand?
Lambert-St Louis (STL), located 20.4 km from the city centre, is the airport you fly into when you book flights from Thailand to St. Louis.
What are the cheapest airlines to fly from Thailand to St. Louis one-way?
฿24,917 is the cheapest one-way deal found within the past few days, from แอร์แคนาดา. You may also be able to find cheap deals on Qatar Airways and เดลต้า, with prices starting from ฿29,146 and ฿31,748, respectively.
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 holiday 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Thailand to St. Louis

Chiang Mai to Kansas City flights

Phuket City to St. Louis flights

Chiang Mai to Columbia flights

Top airline flying from Thailand to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Japan Airlines	Cheapest฿37,832	Average฿44,166	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Thailand to St. Louis?

Cheapflights makes it easy to find Thailand to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Thailand to St. Louis?

Millions of users choose and trust Cheapflights to book the best flight deals from Thailand to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Thailand to St. Louis with no change fees?

Yes, we can. To see specific flights from Thailand to St. Louis with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Thailand to St. Louis become cheaper?

Yes, Cheapflights offers price alerts on Thailand to St. Louis flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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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.

Cheap flights from Thailand to St. Louis from ฿23,453

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.

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 9 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Thailand to St. Louis

Cheapest flights from Thailand to St. LouisExplore 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 9 July 2025.

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 9 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Thailand to St. Louis that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Thailand to St. Louis

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown with Japan Airlines, China Airlines, andเดลต้า from Thailand to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

Can I find deals for flights from Thailand to St. Louis that include hotel bookings?

How can I find direct flights from Thailand to St. Louis?

Can I find deals for business class flights from Thailand to St. Louis?

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.

Top airline flying from Thailand to St. Louis

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Thailand to St. Louis?

Why should you use Cheapflights to find cheap flight tickets from Thailand to St. Louis?

Can Cheapflights find flights from Thailand to St. Louis with no change fees?

Can Cheapflights notify me if prices for flights from Thailand to St. Louis become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 9 July 2025.