RM 790+ Cheap flights from St. Louis

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — KUL
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Find flights from St. Louis within your budget

 
Find flights departing from St. Louis that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 23 March 2026. In the last 7 days, Cheapflights users made a total of 407,431 searches

Fly to

Route

Departure

Return

Price

Cheapest return flight

St. LouisKuala Lumpur

STL - KUL

STLKUL

Lambert-St Louis

Sun 3/5

07:00-08:25

2 stops36h 25m

Kuala Lumpur Intl

Sun 10/5

21:55-18:04

2 stops33h 09m

RM 4,376

St. LouisKuala Lumpur

STL - KUL

STLKUL

Lambert-St Louis

Thu 2/4

06:00-08:25

2 stops37h 25m

Kuala Lumpur Intl

Sun 5/4

21:55-19:30

2 stops34h 35m

RM 4,494

St. LouisKuala Lumpur

STL - KUL

STLKUL

Lambert-St Louis

Tue 5/5

07:05-08:25

2 stops36h 20m

Kuala Lumpur Intl

Tue 12/5

21:55-18:04

2 stops33h 09m

RM 4,517
Fastest return journey

St. LouisKuala Lumpur

STL - KUL

STLKUL

Lambert-St Louis

Mon 4/5

15:38-14:45

2 stops34h 07m

Kuala Lumpur Intl

Sun 10/5

02:05-19:30

2 stops30h 25m

RM 4,721

St. LouisKuala Lumpur

STL - KUL

STLKUL

Lambert-St Louis

Wed 20/5

08:55-08:25

2 stops34h 30m

Kuala Lumpur Intl

Mon 15/6

21:55-19:22

2 stops34h 27m

RM 5,330

St. LouisKuala Lumpur

STL - KUL

STLKUL

Lambert-St Louis

Thu 21/5

07:00-08:25

2 stops36h 25m

Kuala Lumpur Intl

Tue 16/6

21:55-19:00

2 stops34h 05m

RM 5,566

St. LouisKuala Lumpur

STL - KUL

STLKUL

Lambert-St Louis

Sat 2/5

15:00-14:15

2 stops34h 15m

Kuala Lumpur Intl

Sat 9/5

15:30-16:57

3 stops38h 27m

RM 6,128

St. LouisKuala Lumpur

STL - KUL

STLKUL

Lambert-St Louis

Wed 20/5

07:05-08:25

2 stops36h 20m

Kuala Lumpur Intl

Mon 8/6

21:55-13:15

2 stops28h 20m

RM 6,371

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Sorted by cheapest first

Best time to book a flight from St. Louis

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

Travel insights for flights from St. Louis

Get recent, data-driven insights about flights from St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis?

Currently, September is the cheapest month in which you can book a flight from St. Louis (average of RM 2,514). Flying from St. Louis in June will prove the most costly (average of RM 6,230). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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.

Direct flights from Missouri

Book a direct flight from one of these other cities located in Missouri.

Related info for your journey

Access useful and relevant information related to your journey from St. Louis. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 23 March 2026.
  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Cancún, Denver, Dallas/Fort Worth Airport. Throughout the year, Denver, Cancún, Atlanta are some of the top choices made by users flying from St. Louis.

  • What is the cheapest flight from St. Louis to anywhere?

    Users have flown out of St. Louis for as low as RM 402 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for RM 1,173 to fly from St. Louis.

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

    Currently, the cheapest month for flights from St. Louis is September. The most expensive month for flights is June. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

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

    Deals for flights from St. Louis 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 from St. Louis?

    Cheapflights simply makes it quick and affordable to book flights from St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

    Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis, users can toggle the no change fees filter when performing a flight search.

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

    Yes, Cheapflights offers price alerts on flights from St. Louis so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

See more FAQs

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 St. Louis?

Deals for flights from St. Louis 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 from St. Louis?

Cheapflights simply makes it quick and affordable to book flights from St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on flights from St. Louis so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

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.