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Cheap flights to St. Louis from C$ 121

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/5. 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.
CMH — STL
21 Apr — 28 Apr1
1 adult
Sun 21/4
Sun 28/4

Flights to St. Louis in 2024

Find the latest flights to St. Louis in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 508,882 searches and data was last updated on 16 April 2024.

Popular in

February

Cheapest in

January

Average price

C$ 614

Round-trip from

C$ 369

One-way from

C$ 223
High demand for flights, 2% potential price rise
Best time to find cheap flights, 1% potential price drop
Average for round-trip flights in April 2024
From Toronto to Lambert-St Louis
One-way flight from Toronto to Lambert-St Louis (STL)

Cheap flights to St. Louis in April & May 2024

Discover affordable flights and deals to St. Louis in April and May 2024. In the last 7 days, Cheapflights users made a total of 508,882 searches and data was last updated on 16 April 2024.
The below flights offer some of the lowest fares to St. Louis in April and May 2024. Prices refresh often so be sure to come back soon for more deals.
Tue 14/58:55 a.m.DCA - STL
1 stop6h 15mDelta
Wed 15/52:18 p.m.STL - DCA
1 stop4h 12mDelta
Deal found 15/4C$ 245
Sat 20/48:38 p.m.BUF - STL
1 stop11h 35mFrontier
Tue 7/54:50 p.m.STL - BUF
1 stop27h 03mFrontier
Deal found 15/4C$ 293
Mon 27/56:00 a.m.DCA - STL
1 stop7h 16mDelta
Sat 1/612:53 p.m.STL - DCA
1 stop5h 29mDelta
Deal found 15/4C$ 300
Sat 18/57:24 p.m.DCA - STL
1 stop5h 16mDelta
Mon 20/55:02 p.m.STL - DCA
1 stop5h 55mDelta
Deal found 15/4C$ 321
Tue 14/53:30 p.m.LGA - STL
Nonstop2h 46mDelta
Wed 15/510:45 a.m.STL - LGA
Nonstop2h 32mDelta
Deal found 15/4C$ 356
Thu 2/511:25 a.m.JFK - STL
1 stop25h 55mSun Country Air
Sun 5/57:00 a.m.STL - JFK
1 stop26h 29mSun Country Air
Deal found 15/4C$ 378
Tue 7/57:20 a.m.JFK - STL
1 stop6h 48mDelta
Tue 7/56:12 p.m.STL - JFK
1 stop3h 59mDelta
Deal found 15/4C$ 383
Thu 2/511:25 a.m.JFK - STL
1 stop25h 55mSun Country Air
Sun 5/57:00 a.m.STL - JFK
1 stop26h 29mSun Country Air
Deal found 15/4C$ 392
Tue 14/53:30 p.m.LGA - STL
Nonstop2h 46mDelta
Thu 16/56:00 a.m.STL - LGA
Nonstop2h 33mDelta
Deal found 15/4C$ 398

St. Louis 2024 flight deals

Explore flight deals for St. Louis in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 508,882 searches and data were last updated on 16 April 2024.
These are some of the best deals we've found on flights to St. Louis in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 1/79:00 a.m.DCA - STL
1 stop6h 57mDelta
Fri 5/73:10 p.m.STL - DCA
1 stop6h 23mDelta
Deal found 15/4C$ 242
Tue 14/58:55 a.m.DCA - STL
1 stop6h 15mDelta
Wed 15/52:18 p.m.STL - DCA
1 stop4h 12mDelta
Deal found 15/4C$ 245
Wed 29/56:15 p.m.DCA - STL
1 stop4h 19mDelta
Fri 31/52:59 p.m.STL - DCA
1 stop6h 57mDelta
Deal found 16/4C$ 266
Wed 5/66:10 a.m.DCA - STL
1 stop4h 09mDelta
Fri 7/65:25 p.m.STL - DCA
1 stop5h 18mDelta
Deal found 15/4C$ 279
Tue 16/76:59 a.m.DCA - STL
1 stop5h 47mDelta
Tue 23/73:14 p.m.STL - DCA
1 stop6h 19mDelta
Deal found 16/4C$ 286
Sat 20/48:38 p.m.BUF - STL
1 stop11h 35mFrontier
Tue 7/54:50 p.m.STL - BUF
1 stop27h 03mFrontier
Deal found 15/4C$ 293
Tue 9/710:00 a.m.DCA - STL
1 stop4h 16mDelta
Fri 12/75:25 p.m.STL - DCA
1 stop4h 55mDelta
Deal found 16/4C$ 300
Fri 27/98:00 a.m.DCA - STL
1 stop5h 54mDelta
Mon 30/96:00 p.m.STL - DCA
1 stop3h 46mDelta
Deal found 14/4C$ 314
Sat 18/57:24 p.m.DCA - STL
1 stop5h 16mDelta
Mon 20/55:02 p.m.STL - DCA
1 stop5h 55mDelta
Deal found 15/4C$ 321

Flights to St. Louis departing soon

Discover available last-minute flight options to St. Louis, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 508,882 searches and data was last updated on 16 April 2024.
Users travelling to St. Louis last-minute should check out these flights departing soon. It's recommended that you verify the details of your last-minute flight before booking.
Tue 23/42:50 p.m.DCA - STL
Nonstop2h 10mSouthwest
Fri 26/47:00 p.m.STL - DCA
Nonstop1h 55mSouthwest
Deal found 15/4C$ 574
Tue 23/43:20 p.m.DCA - STL
1 stop5h 55mSouthwest
Fri 26/47:00 p.m.STL - DCA
Nonstop1h 55mSouthwest
Deal found 15/4C$ 588
Tue 23/47:25 a.m.DCA - STL
2 stops14h 15mSouthwest
Fri 26/412:55 p.m.STL - DCA
Nonstop2h 05mSouthwest
Deal found 15/4C$ 594
Tue 23/47:00 p.m.DCA - STL
2 stops13h 45mSouthwest
Fri 26/45:55 a.m.STL - DCA
1 stop10h 20mSouthwest
Deal found 15/4C$ 607
Tue 23/410:15 a.m.LGA - STL
Nonstop3h 02mDelta
Tue 7/56:00 a.m.STL - LGA
Nonstop2h 34mDelta
Deal found 16/4C$ 610
Tue 23/44:30 p.m.LGA - STL
Nonstop2h 45mSouthwest
Wed 24/48:35 a.m.STL - LGA
Nonstop2h 25mSouthwest
Deal found 15/4C$ 667
Tue 23/411:55 a.m.LGA - STL
1 stop7h 30mSouthwest
Wed 24/48:35 a.m.STL - LGA
Nonstop2h 25mSouthwest
Deal found 15/4C$ 680
Tue 23/49:25 a.m.LGA - STL
2 stops14h 55mSouthwest
Wed 24/47:35 p.m.STL - LGA
Nonstop2h 25mSouthwest
Deal found 15/4C$ 687
Fri 26/47:45 p.m.JFK - STL
1 stop5h 01mDelta
Fri 3/56:04 a.m.STL - JFK
1 stop5h 20mDelta
Deal found 15/4C$ 720

One-way flights to St. Louis

Explore one-way flight options to St. Louis for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 508,882 searches and data was last updated on 16 April 2024.
Take a look at some of the one-way flights departing to St. Louis in the near future. Users seeking round-trip flights to St. Louis should update the search form at the top of the page accordingly.
Thu 30/56:00 a.m.DCA - STL
1 stop5h 05mDelta
Deal found 15/4C$ 121
Sat 18/57:24 p.m.DCA - STL
1 stop5h 16mDelta
Deal found 16/4C$ 122
Mon 3/68:15 a.m.DCA - STL
Nonstop2h 10mSouthwest
Deal found 15/4C$ 165
Mon 3/67:20 a.m.DCA - STL
1 stop3h 45mSouthwest
Deal found 15/4C$ 172
Thu 2/511:25 a.m.JFK - STL
1 stop25h 55mSun Country Air
Deal found 15/4C$ 176
Wed 15/53:30 p.m.LGA - STL
Nonstop2h 46mDelta
Deal found 15/4C$ 179
Fri 9/88:00 a.m.DCA - STL
1 stop5h 58mDelta
Deal found 15/4C$ 190
Mon 3/66:05 a.m.DCA - STL
2 stops13h 30mSouthwest
Deal found 15/4C$ 193
Tue 11/68:00 a.m.JFK - STL
1 stop7h 57mDelta
Deal found 15/4C$ 202

Direct flights to St. Louis

Tue 14/53:30 p.m.LGA - STL
Nonstop2h 46mDelta
Wed 15/510:45 a.m.STL - LGA
Nonstop2h 32mDelta
Deal found 15/4C$ 356
Mon 1/76:29 p.m.LGA - STL
Nonstop3h 00mDelta
Wed 10/73:14 p.m.STL - LGA
Nonstop2h 35mDelta
Deal found 15/4C$ 370
Tue 23/76:59 a.m.LGA - STL
Nonstop2h 41mDelta
Tue 30/75:54 p.m.STL - LGA
Nonstop2h 35mDelta
Deal found 15/4C$ 384
Wed 3/712:43 p.m.LGA - STL
Nonstop2h 47mDelta
Sun 7/78:05 a.m.STL - LGA
Nonstop2h 34mDelta
Deal found 15/4C$ 398
Wed 12/64:15 p.m.LGA - STL
Nonstop2h 56mDelta
Thu 13/66:00 a.m.STL - LGA
Nonstop2h 29mDelta
Deal found 15/4C$ 411
Tue 7/53:30 p.m.LGA - STL
Nonstop2h 46mDelta
Fri 10/55:56 p.m.STL - LGA
Nonstop2h 33mDelta
Deal found 15/4C$ 413
Thu 30/58:17 a.m.LGA - STL
Nonstop2h 48mDelta
Sun 2/65:56 p.m.STL - LGA
Nonstop2h 33mDelta
Deal found 15/4C$ 425
Wed 1/58:00 a.m.DCA - STL
Nonstop2h 10mSouthwest
Thu 2/57:00 p.m.STL - DCA
Nonstop1h 55mSouthwest
Deal found 15/4C$ 427
Sat 29/68:31 a.m.LGA - STL
Nonstop2h 48mDelta
Sat 6/71:10 p.m.STL - LGA
Nonstop2h 36mDelta
Deal found 15/4C$ 439

Find flights to St. Louis within your budget

Locate flights to St. Louis that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 508,882 searches and data was last updated on 16 April 2024.

Fly from

Any airport

Budget

C$ 242 - C$ 753

Route

Depart

Return

Price

Washington, D.C. Reagan-NationalLambert-St Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Mon 1/7

1 stop6h 57m

Lambert-St Louis

Fri 5/7

1 stop6h 23m

C$ 242

Washington, D.C. Reagan-NationalLambert-St Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Tue 14/5

1 stop6h 15m

Lambert-St Louis

Wed 15/5

1 stop4h 12m

C$ 245

Washington, D.C. Reagan-NationalLambert-St Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Wed 5/6

1 stop4h 09m

Lambert-St Louis

Fri 7/6

1 stop5h 18m

C$ 279

Washington, D.C. Reagan-NationalLambert-St Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Tue 16/7

1 stop5h 10m

Lambert-St Louis

Tue 23/7

1 stop6h 19m

C$ 286

New York John F Kennedy IntlLambert-St Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 2/5

1 stop25h 55m

Lambert-St Louis

Sun 5/5

1 stop26h 29m

C$ 378

New York John F Kennedy IntlLambert-St Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 2/5

1 stop25h 55m

Lambert-St Louis

Sun 5/5

1 stop26h 29m

C$ 392

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Thu 11/7

1 stop10h 43m

Lambert-St Louis

Mon 15/7

1 stop21h 37m

C$ 395

Washington, D.C. Reagan-NationalLambert-St Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Wed 1/5

1 stop11h 00m

Lambert-St Louis

Thu 2/5

Nonstop1h 55m

C$ 418

New York John F Kennedy IntlLambert-St Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Tue 4/6

1 stop29h 06m

Lambert-St Louis

Thu 6/6

2 stops14h 59m

C$ 753

Flights are sorted by cheapest first

Deals found on 15/4

Average price of flights to St. Louis by month

Plan your trip to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight to St. Louis is currently C$ 169 while a round-trip flight costs C$ 377. Price data was last updated on 14 April 2024.

Currently, January is the cheapest month in which you can book a flight to St. Louis (average of C$ 365). Flying to St. Louis in July will prove the most costly (average of C$ 534). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

January

C$ 502

February

C$ 552

March

C$ 615

April

C$ 578

May

C$ 583

June

C$ 643

July

C$ 735

August

C$ 622

September

C$ 623

October

C$ 659

November

C$ 555

December

C$ 523

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

0 - 27 °C

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).

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

Use this chart to determine the optimal time to book a round-trip flight to St. Louis. Price data was last updated on 28 January 2024.
The best time to book flights to St. Louis is 64 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.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip to St. Louis. Price data was last updated on 7 April 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to St. Louis should consider flying on Tuesday at noon, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday afternoons, when prices are usually at their highest.
Search Deals

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated 16 April 2024.
Get a feel of what it's like to fly with Air Canada, Alaska Airlines and United Airlines to St. Louis by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,085 reviews

Entertainment

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
9,085 reviews
8.1
Very good
9,085 reviews

Entertainment

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
11,123 reviews
8.1
Very good
9,085 reviews

Entertainment

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.5
Good
3,007 reviews
8.1
Very good
9,085 reviews

Entertainment

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.4
Good
11,360 reviews
8.1
Very good
9,085 reviews

Entertainment

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.3
Good
14,952 reviews
8.1
Very good
9,085 reviews

Entertainment

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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.

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. 

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. 

What is good to know if travelling to St. Louis?

  • Independence Day is celebrated with style in St. Louis. Grab a blanket and a couple chairs and head down to the riverfront for Fourth of July festivities. 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 party’s in the Midwest.
  • The Butterfly Garden in St. Louis’ suburb, Chesterfield, is a must-see for travellers 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. 

Related info for your journey

  • 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.

  • What does STL mean?

    STL stands for Lambert-St Louis Airport. Codes like this one are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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

    If you book a flight to St. Louis, you will be flying into Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 20.4 km from the centre of St. Louis. On average, Lambert-St Louis has 2 flights from Toronto per day from 2 airlines.

  • Can I find cheaper flights to St. Louis if I am willing to have layovers?

    Yes, flights with layovers 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.

  • What is the best airline to fly to St. Louis?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to St. Louis.

  • What is the cheapest airport to fly to in St. Louis?

    Lambert-St Louis Airport is currently the cheapest airport to fly to in St. Louis. One-way flights to Lambert-St Louis Airport typically cost C$ 60, while round-trip flights cost around C$ 255.

  • How much is a round-trip flight to St. Louis?

    A round-trip flight to St. Louis will typically cost around C$ 215, however they can be found for as little as C$ 185.

  • Where does the fastest flight to St. Louis depart from?

    For those looking to save time traveling to St. Louis, Toronto offers the quickest one-way flight (2 hours 6 minutes).

  • Does Lambert-St Louis Airport have rental cars?

    Yes. Those touching down at Lambert-St Louis Airport can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Lambert-St Louis Airport?

    Yes. Lambert-St Louis Airport has hotels nearby for those requiring accommodations. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis Airport (0.0 km away from Lambert-St Louis Airport).

See more FAQs

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