Cheap Flights to St. Louis

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Home North America USA Missouri Cheap flights to Lambert-St Louis, Missouri

Flights to St. Louis in 2021

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inJuneHigh demand for flights, 9% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 3% potential price drop
Average priceC$ 567Average for round-trip flights in September 2021
Round-trip fromC$ 299From Toronto to Lambert-St Louis
One-way fromC$ 13One-way flight from Toronto to Lambert-St Louis (STL)

COVID Restrictions

View COVID Travel Restrictions for St. Louis

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 72 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) test taken 72 hours before departing to USA.

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

Hide COVID Travel Restrictions for St. Louis

Cheapest prices for St. Louis flights by month

The cheapest ticket to St. Louis found for each month in 2021 based on historical flight searches by Cheapflights users.
January
C$ 370
February
C$ 372
March
C$ 519
April
C$ 381
May
C$ 508
June
C$ 480
July
C$ 528
August
C$ 460
September
C$ 464
October
C$ 465
November
C$ 409
December
C$ 444
Currently, the cheapest month for flights to Lambert-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 Lambert-St Louis Airport?

Average Lambert-St Louis flight ticket prices and weather conditions for 2021 and 2022 by month.
YTO - STL
Price
C$ 370 - C$ 690
STL
Temperature
7 - 32 °C
STL
Precipitation
57 - 130 mm
The best time to fly to St. Louis is during January, but great deals can be found at other times. July tends to be the warmest period in St. Louis so if you are looking for sun or warmer climates then look to fly around this time. May is the wettest if you need to factor this in to your plans.

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

The best time to book flights to St. Louis is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Which day is cheapest to fly to St. Louis?

The cheapest flights to St. Louis are usually found when departing on a Tuesday. The departure day with the highest cost at present is Monday.

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 evening as these tend to have higher demand.

Standing 192 metres high and constructed completely of stainless steel, the Gateway Arch greets visitors on St. Louis flights every year. Prior to its formation in 1965, St. Louis welcomed travellers from all over the world who were heading westward in search of new opportunities and a new life. In the early 1900s, the Show Me State hosted the World’s Fair and as a result, witnessed the beginning of the city’s innovation and technology boom.

Visitors booking flights to St. Louis today have a plethora of options at their fingertips. The city is blanketed with history, but also rich in entertainment. Travellers book flights to 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.

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St. Louis 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 0 to 13 degrees (C), while summers have daily temperatures of between 14 to 32 degrees. 

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When is the 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 a 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.

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Getting around St. Louis

You won’t need a car in downtown St Louis. You can get almost anywhere downtown with the St Louis MetroLink, which hits most of the area’s tourist attractions. There are even some shuttle buses connecting the MetroLink stations to the attractions. MetroBus, which is part of the same system, can get you farther out into the city. Rent a car if you’d like. St Louis is easy to navigate and you can take the highways out to top tourist neighbourhoods like University City, Central West End and Clayton. Most hotels and tourist attractions have a taxi stand if you need a cab. You can also call for a taxi ahead of time. 

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

Travellers will need to book flights to Lambert-St Louis (STL) if they wish to fly to St. Louis. The St. Louis airport is 20.4 km from the city centre.

Alternative, similarly priced destinations

See alternative destinations where airfare is generally forecast to be close to St. Louis flight prices.

St. Louis, Missouri airports

See all airports in St. Louis, select one to find and compare flight prices.

Cheapest flights to USA

Not set on St. Louis? See the cheapest flights to Canada. Airfare prices updated on September 22, 2021.
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