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฿24,251+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
3 May — 10 May1
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 28 April 2025.

Return from

฿36,945

One-way from

฿24,251

Popular in

February

Cheapest in

May

Average price

฿44,026
Japan Airlines
  • Japan Airlines
  • 11/6-18/6
  • 4 total stops
  • 67h 49m total
  • Bangkok to St. Louis
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Philippine Airlines
  • Philippine Airlines
  • 7/5
  • 2 total stops
  • 40h 24m total
  • Bangkok to St. Louis
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿86,363 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿10,342 potential savings vs. average return price).
Search Deals
Average for return flights in April 2025
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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 28 April 2025.

Wed 11/609:45BKK - STL
2 stops25h 14mJapan Airlines
Wed 18/608:35STL - BKK
2 stops42h 35mJapan Airlines
Deal found 27/4฿36,945
Sat 27/916:45BKK - STL
2 stops33h 54mMultiple Airlines
Sat 25/1014:55STL - BKK
2 stops32h 15mMultiple Airlines
Deal found 28/4฿37,011
Sat 27/909:35BKK - STL
2 stops44h 58mUnited Airlines
Sat 25/1013:39STL - BKK
3 stops33h 11mUnited Airlines
Deal found 28/4฿48,402
Sat 2/802:40BKK - STL
2 stops57h 19mChina Airlines
Sun 10/819:32STL - BKK
2 stops28h 38mChina Airlines
Deal found 27/4฿52,477
Tue 10/602:30BKK - STL
2 stops29h 05mQatar Airways
Wed 18/613:24STL - BKK
2 stops28h 51mQatar Airways
Deal found 27/4฿54,381
Sun 10/802:35BKK - STL
2 stops41h 31mเดลต้า
Mon 18/806:30STL - BKK
2 stops28h 55mเดลต้า
Deal found 28/4฿63,735

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 28 April 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 11/6

09:45-22:59

2 stops25h 14m

Lambert-St Louis

Wed 18/6

08:35-15:10

2 stops42h 35m

฿36,945

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 27/9

16:45-14:39

2 stops33h 54m

Lambert-St Louis

Sat 25/10

14:55-11:10

2 stops32h 15m

฿37,011

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 27/9

09:35-18:33

2 stops44h 58m

Lambert-St Louis

Sat 25/10

13:39-10:50

3 stops33h 11m

฿48,402

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sat 2/8

02:40-23:59

2 stops57h 19m

Lambert-St Louis

Sun 10/8

19:32-12:10

2 stops28h 38m

฿52,477

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 10/6

02:30-19:35

2 stops29h 05m

Lambert-St Louis

Wed 18/6

13:24-06:15

2 stops28h 51m

฿54,381

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 10/8

02:35-08:06

2 stops41h 31m

Lambert-St Louis

Mon 18/8

06:30-23:25

2 stops28h 55m

฿63,735

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Wed 7/5

18:40-23:04

2 stops40h 24m

฿24,251

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 29/6

20:00-12:13

2 stops28h 13m

฿30,398

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Tue 6/5

00:25-23:04

2 stops34h 39m

฿32,268

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Sun 29/6

12:25-16:45

3 stops40h 20m

฿38,648

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 12 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 most popular airlines that fly to St. Louis?

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

Japan Airlines

Japan Airlines

From ฿1,037

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 28 April 2025.
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very Good
1,459 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
China Airlines
8.3
Very Good
729 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Emirates
8.0
Very Good
3,213 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
เดลต้า
8.0
Very Good
7,927 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Qatar Airways
7.4
Good
3,561 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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

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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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