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฿19,216+ Cheap flights to St. Louis

— STL
15 Oct — 22 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to St. Louis in 2026

Enter your travel dates to find the best prices.

Cheapest flights to St. Louis

Tue 29/911:00 -
2 stops33h 20m
Sat 3/1011:01 -
2 stops25h 09m
Deal found 13/9฿38,035
Wed 23/900:30 -
2 stops35h 00m
Mon 28/907:21 -
2 stops34h 24m
Deal found 10/9฿42,216
Tue 29/907:00 -
2 stops25h 36m
Sat 3/1009:00 -
3 stops36h 35m
Deal found 13/9฿49,053
Thu 24/915:45 -
3 stops36h 52m
Mon 28/917:36 -
3 stops27h 59m
Deal found 13/9฿49,518

Find flight deals to St. Louis

Return from

฿38,035

One-way from

฿19,216
29/9-3/10
  • 29/9-3/10
  • 4 total stops
  • 58h 29m total
  • Bangkok to St. Louis
Search Deals
26/10-31/12
  • 26/10-31/12
  • 3 total stops
  • 41h 04m total
  • Bangkok to St. Louis
Search Deals

Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Mon 26/10

08:00-23:59

2 stops27h 59m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿19,349

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Fri 19/2

08:00-23:44

2 stops28h 44m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿19,416

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Thu 15/10

01:30-15:44

3 stops50h 14m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,743

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sat 10/10

02:40-00:45

2 stops34h 05m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,843

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sat 7/11

17:40-23:59

2 stops43h 19m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,843

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sat 7/11

01:10-11:19

3 stops47h 09m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,241

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sat 23/1

17:50-21:50

2 stops41h 00m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿22,303

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sat 24/10

13:20-12:15

3 stops34h 55m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿26,385

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sun 11/10

15:45-12:40

3 stops32h 55m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿32,260

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sun 17/1

10:55-12:15

3 stops38h 20m

Lambert-St Louis

Fri 14/5

05:05-09:45

3 stops40h 40m

฿40,225

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 12 resultsSorted by cheapest first
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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

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 27 hours 35 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.

Rainfall in St. Louis 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

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).

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.

  • 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 (27 hours 35 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. St Ann Townhome Less Than 1 Mi to International Airport! is the closest property to Lambert-St Louis (0.0 km away from Lambert-St Louis).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Deals for St. Louis flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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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