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฿19,346+ Cheap flights to St. Louis

— STL
10 Dec — 17 Dec1
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

Sat 19/1202:35 -
2 stops35h 20m
Wed 6/108:30 -
2 stops36h 20m
Deal found 8/11฿40,500
Wed 23/1210:55 -
2 stops27h 00m
Thu 7/108:30 -
2 stops43h 15m
Deal found 6/11฿40,801
Sun 20/1207:55 -
2 stops29h 04m
Wed 6/106:01 -
2 stops33h 59m
Deal found 7/11฿42,542
Wed 23/1208:25 -
2 stops41h 01m
Thu 7/110:45 -
2 stops54h 45m
Deal found 5/11฿44,650
Wed 23/1216:55 -
3 stops57h 13m
Thu 7/108:30 -
2 stops50h 50m
Deal found 5/11฿51,880

Find flight deals to St. Louis

Return from

฿36,483

One-way from

฿19,346
แอร์แคนาดา
  • แอร์แคนาดา
  • 27/1-31/1
  • 4 total stops
  • 70h 12m total
  • Bangkok to St. Louis
Search Deals
Korean Air
  • Korean Air
  • 19/11-31/12
  • 2 total stops
  • 28h 43m 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

Tue 2/2

21:40-11:04

2 stops26h 24m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿19,346

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Thu 18/2

01:05-15:43

2 stops27h 38m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿19,346

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Wed 18/11

01:05-23:59

2 stops35h 54m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿19,781

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Thu 19/11

23:15-23:22

2 stops37h 07m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,451

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Mon 8/2

21:40-23:26

2 stops38h 46m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿20,852

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Tue 1/12

09:55-11:10

3 stops38h 15m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿21,355

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Mon 8/2

16:55-17:13

3 stops37h 18m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿31,998

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Tue 2/2

16:55-09:31

3 stops29h 36m

Lambert-St Louis

Wed 31/12

00:00-13:00

Nonstop0h 00m

฿32,233

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Wed 27/1

08:25-15:26

2 stops44h 01m

Lambert-St Louis

Sun 31/1

18:45-06:30

2 stops46h 45m

฿37,387

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Sat 19/12

02:35-00:55

2 stops35h 20m

Lambert-St Louis

Wed 6/1

08:30-09:50

2 stops36h 20m

฿40,500

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 16 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 22 hours 44 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 (22 hours 44 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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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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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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