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฿25,665+ Cheap flights to St. Louis

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
17 Jun — 24 Jun1
1 adult

Flights to St. Louis in 2025

Find the latest flights to St. Louis in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 12 June 2025.

Return from

฿31,595

One-way from

฿25,665

Popular in

January

Cheapest in

June

Average price

฿36,391
Japan Airlines
  • Japan Airlines
  • 9/7-16/7
  • 4 total stops
  • 53h 42m total
  • Bangkok to St. Louis
แอร์แคนาดา
  • แอร์แคนาดา
  • 29/6
  • 2 total stops
  • 25h 48m total
  • Bangkok to St. Louis
Highest demand for flights based on searches. 7% potential increase in price (฿103,836 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿22,254 potential savings vs. average return price).
Average for return flights in June 2025

Find flight deals to St. Louis

Cheapest flights to St. Louis
Explore the most affordable flight options available to St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 12 June 2025.

Wed 9/709:45BKK - STL
2 stops25h 45mJapan Airlines
Wed 16/707:03STL - BKK
2 stops27h 57mJapan Airlines
Deal found 11/6฿31,595
Mon 10/1108:35BKK - STL
2 stops43h 51mแอร์แคนาดา
Mon 1/1216:15STL - BKK
2 stops49h 00mแอร์แคนาดา
Deal found 12/6฿36,391
Sun 9/1102:15BKK - STL
2 stops49h 50mEVA Air
Mon 1/1207:00STL - BKK
2 stops39h 10mEVA Air
Deal found 12/6฿40,475
Fri 26/901:35BKK - STL
2 stops27h 10mMultiple Airlines
Sat 25/1015:57STL - BKK
2 stops31h 13mMultiple Airlines
Deal found 11/6฿41,447
Sun 31/802:35BKK - STL
2 stops34h 03mเดลต้า
Sun 21/906:45STL - BKK
2 stops28h 40mเดลต้า
Deal found 12/6฿45,206
Sat 27/909:35BKK - STL
2 stops38h 53mUnited Airlines
Sat 25/1017:28STL - BKK
3 stops29h 22mUnited Airlines
Deal found 11/6฿45,271

Cheapflights Fare Finder

Locate flights to St. Louis that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 12 June 2025.
Use the filters below to find and compare flights to St. Louis that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 9/7

09:45-23:30

2 stops25h 45m

Lambert-St Louis

Wed 16/7

07:03-23:00

2 stops27h 57m

฿31,595

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Mon 10/11

08:35-15:26

2 stops43h 51m

Lambert-St Louis

Mon 1/12

16:15-06:15

2 stops49h 00m

฿36,391

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 9/11

02:15-15:05

2 stops49h 50m

Lambert-St Louis

Mon 1/12

07:00-11:10

2 stops39h 10m

฿40,475

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Fri 26/9

01:35-16:45

2 stops27h 10m

Lambert-St Louis

Sat 25/10

15:57-11:10

2 stops31h 13m

฿41,447

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 31/8

02:35-00:38

2 stops34h 03m

Lambert-St Louis

Sun 21/9

06:45-23:25

2 stops28h 40m

฿45,206

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

฿45,271

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 29/6

07:00-20:48

2 stops25h 48m

฿25,665

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 27/7

08:55-23:59

2 stops51h 04m

฿28,096

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 28/6

02:35-00:43

2 stops34h 08m

฿29,554

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 29/6

07:00-04:54

2 stops33h 54m

฿29,813

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 15 results
1
2

Best time to book a flight to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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 to St. Louis

How long is the flight to St. Louis?

On average, a flight from Bangkok to St. Louis takes 25 hours 14 minutes. Flights to St. Louis from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to St. Louis?

The cheapest airline flying from Bangkok to St. Louis is Japan Airlines.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm 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.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

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).

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 12 June 2025.

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

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

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

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

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

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

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

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

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

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

Crew

8.6

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

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

FAQs about flying to St. Louis

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

    Booking a flight to Lambert-St Louis (STL) is your only option if you intend on flying to St. Louis. It is only a 20.4 km journey from Lambert-St Louis to St. Louis’s city centre.

  • Can I find cheaper flights to St. Louis if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to St. Louis on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to St. Louis?

    Based on reviews from Cheapflights users, Japan Airlines is rated the highest out of the airlines that fly to St. Louis.

  • Where does the fastest flight to St. Louis depart from?

    For those looking to save time traveling to St. Louis, Bangkok offers the quickest one-way flight (25 hours 14 minutes).

  • Does Lambert-St Louis have rental cars?

    Yes. Those touching down at Lambert-St Louis can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Lambert-St Louis?

    Yes. Lambert-St Louis has hotels nearby for those requiring accommodations. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis (0.0 km away from Lambert-St Louis).

See more FAQs

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights to St. Louis flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to St. Louis today and book when you’re ready!

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