Cheap flights to St. Louis, MO

Flights to St. Louis in 2022

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inJulyHigh demand for flights, 9% potential price rise
Cheapest inJuneBest time to find cheap flights, 2% potential price drop
Average price$137Average for round-trip flights in January 2022
Round-trip from$68From Las Vegas Harry Reid Intl to Lambert-St Louis
One-way from$31One-way flight from Las Vegas Harry Reid Intl (LAS) to Lambert-St Louis (STL)

Cheap flights to St. Louis in January, February 2022

The best prices found for STL flights for January, February
Jan 25 - Jan 29
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 05m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 57m
$58

Frontier

View Deal

Deal found 1/18/22

Jan 24 - Jan 29
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 05m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 57m
$63

Frontier

View Deal

Deal found 1/18/22

Feb 12 - Feb 20
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 05m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 30m
$68

Spirit Airlines

View Deal

Deal found 1/17/22

St. Louis 2022 flight deals

Cheap flights to St. Louis found for this year
Jan 25 - Jan 29
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 05m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 57m
$58

Frontier

View Deal

Deal found 1/18/22

Jan 24 - Jan 29
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 05m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 57m
$63

Frontier

View Deal

Deal found 1/18/22

Feb 12 - Feb 20
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 05m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 30m
$68

Spirit Airlines

View Deal

Deal found 1/17/22

Last minute flights to St. Louis

Late deals on round-trip flights to St. Louis, departing today and this week
Jan 25 - Jan 29
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 05m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 57m
$58

Frontier

View Deal

Deal found 1/18/22

Jan 24 - Jan 29
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 05m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 57m
$63

Frontier

View Deal

Deal found 1/18/22

Jan 28 - Jan 30
LAS

Las Vegas Harry Reid Intl

STL

Lambert-St Louis

Nonstop

3h 05m
STL

Lambert-St Louis

LAS

Las Vegas Harry Reid Intl

Nonstop

3h 30m
$71

Spirit Airlines

View Deal

Deal found 1/16/22

Can I fly to Lambert-St Louis from USA right now?

Information is based on travel restrictions for travel to Lambert-St Louis within the United States

Most visitors from USA need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from USA must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from USA are not required to quarantine after entering Lambert-St Louis.

Can I fly back to USA from Lambert-St Louis?

Returning to USA from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to USA.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering USA.

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

The cheapest ticket to St. Louis found for each month in 2022 based on historical flight searches by Cheapflights users.

January

$253

February

$258

March

$279

April

$280

May

$277

June

$297

July

$312

August

$265

September

$266

October

$276

November

$279

December

$275

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

When is the best time to fly to St. Louis?

Average St. Louis flight ticket prices and weather conditions for 2022 and 2023 by month

LAS - STL

Price

$252 - $371

STL

Temperature

32 - 80.6 °F

STL

Precipitation

2.2 - 4.7 inches

February is typically the best time to fly to St. Louis, but there are other times where great deals are available. July sees the temperatures in St. Louis peak to their warmest. May tends, on average, to see the most amount of rainfall.

When is the best time to book a flight to St. Louis?

The price you pay for your flight to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Which day is cheapest to fly to St. Louis?

At the moment, Thursday is the most economical day to take a flight to St. Louis. Monday is likely to be the most costly.

What time of day is cheapest to fly to St. Louis?

To get the best value, try booking a flight at noon when visiting St. Louis. Generally the prices will increase for flights in the morning as these tend to have higher demand.

Best Time to Fly to St Louis

Peak Season

Summers in St. Louis are hot and humid, but this is also the best time to visit if you want to take part in the riverfront activities. St. Louis is a big baseball town, and the St. Louis Cardinals draw thousands of fans each year. If you’re planning to visit St. Louis during the spring and summer seasons, book flights early and make accommodations ahead of time. The city gets full fast.

Off Season

St. Louis is prone to long, cold winters.  The city all but shuts down during the wintertime and while many tourist attractions are open to the public, none of the outside activities are much fun in the snow. However, if you’re heading to St. Louis for some football time or to explore the excellent museums, you’re likely to find a cheap flight to St. Louis in the winter.

Overview

Visitors to St. Louis are greeted by the Gateway Arch, standing 630-feet high and constructed completely of stainless steel. Historically, St. Louis was a center for travelers from all over the world who were heading westward in search of new opportunities and a new life. In the early 1900’s, the ‘Show Me State’ of Missouri hosted the World’s Fair and as a result, witnessed the beginning of the city’s innovation and technology boom.

Today the city is blanketed with history, but also rich in entertainment. Travelers visit St. Louis every summer for one of the best Independence Day celebrations in the nation. Take a tour around downtown St. Louis and visit the Anheuser Busch Brewery and Busch Stadium, home of MLB St. Louis Cardinals.

St. Louis, MO climate

St Louis has moderate, seasonal weather, but storms can occur at any time of the year. July and August are the hottest and most humid months of the year, and January and February are cold, usually with snow. Winter temperatures range from below 32 to 55 degrees F, while summers have daily temperatures of between 57 to 90 degrees.

Getting around St. Louis, MO

The local transport connects the downtown regions and is a great way to travel throughout the city. It’s possible to access the majority of St. Louis tourist attractions via the public transport, so a car isn’t necessary. There are shuttle buses that will transport travelers from some attractions to the nearest station. Travelers can pick up a shuttle service map at any of the stations, or at first attraction. Bus network is part of the same network, but extends throughout St. Louis counties.

Renting a car is also an option. St. Louis is a very easy city to navigate and parking is abundant throughout the city. However, if you plan to drive to the suburbs of St. Louis, the navigation might become a little tricky. Make sure to check with your hotel or a local before hitting the highway in your rental car.

Taxi stands are located at most major hotels around the city and at common tourist attractions. Cabs can also be reserved ahead of time.

St. Louis, MO Travel Information

  • Independence Day is celebrated with style in St. Louis. Grab a blanket and a couple chairs and head down to the riverfront for July 4. Grab a spot underneath the Arch and enjoy the spectacle. From people watching, to concerts and outdoor vendors and markets, there is much to do to celebrate America’s birthday. And of course, an amazing fireworks display happens on the riverfront.
  • St. Louis’ Soulard Market Place is home to the best outdoor markets in the city, and also one of the best Mardi Gras parties in the Midwest.
  • The Butterfly Garden in St. Louis’ suburb, Chesterfield, is a must-see for travelers of any age. Located in Faust Park about 30 minutes west of St. Louis City, the Butterfly Garden is a delight for everyone.
  • You don’t have to be a baseball fan to appreciate Busch Stadium. Take a tour of the Stadium or take in a game.
  • Beer lovers know St. Louis as the home of Anheuser-Busch. Brewed right in the city center, the Anheuser-Busch Brewery offers daily tours, and of course, beer tastings. 

St. Louis, MO airport overview

Lambert-St Louis International Airport (STL), or Lamberts as it’s affectionately known, is located 10 miles (17km) northwest of the city of St Louis, Missouri, and is in close proximity to connecting interstate highways. With four long runways and more than 12 million passengers per year, Lamberts is the state’s busiest airport; nonstop flights to Lambert-St Louis International Airport arrive from 88 domestic and international hubs.

Lambert-St Louis has a certain historical pedigree, too. It served as a balloon-launching base in the 19th century and was later visited by the Wright Brothers on one of their early flights. In 1910, Theodore Roosevelt took a flight from here, becoming the first US President to fly, and a few years later the first experimental parachute jump took place over the airfield.

A new construction project – launched in spring 2011 – is set to improve passenger services, boost airport operations and offer good views of the establishment. Terminal 1 is already an architectural spectacle, with exciting LED lighting that may be viewed from the interior and exterior of the building, as well as new flooring, ticket counters, signs, security checkpoints and an atrium, all of which have resulted in a completely new and attractive look for Lambert-St Louis International Airport.

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

Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights to St. Louis. There are 6 flights from Las Vegas to Lambert-St Louis per day from 6 different airlines.

How popular are flights to Lambert-St Louis (STL) this year?

This year has seen a 54% increase in flight searches for St. Louis.

Other local departures to St. Louis from the United States