Find flights
Deals
When to book
Airlines
Travel Guide

Cheap flights to St. Louis from C$ 123

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 15/5. 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
22 Apr — 29 Apr1
1 adult
Mon 22/4
Mon 29/4

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 506,061 searches and data was last updated on 17 April 2024.

Popular in

February

Cheapest in

January

Average price

C$ 615

Round-trip from

C$ 375

One-way from

C$ 204
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 506,061 searches and data was last updated on 17 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.
Sat 20/47:12 p.m.BUF - STL
1 stop20h 17mFrontier
Tue 7/54:50 p.m.STL - BUF
1 stop27h 03mFrontier
Deal found 17/4C$ 295
Wed 15/56:00 a.m.DCA - STL
1 stop4h 05mDelta
Sat 18/55:29 p.m.STL - DCA
1 stop4h 18mDelta
Deal found 16/4C$ 301
Tue 14/510:20 a.m.LGA - STL
Nonstop2h 56mDelta
Wed 15/56:00 a.m.STL - LGA
Nonstop2h 33mDelta
Deal found 16/4C$ 357
Mon 13/52:40 p.m.DCA - STL
1 stop7h 26mDelta
Mon 20/55:02 p.m.STL - DCA
1 stop4h 42mDelta
Deal found 16/4C$ 363
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 17/4C$ 366
Tue 7/57:15 p.m.LGA - STL
Nonstop2h 51mDelta
Thu 9/56:00 a.m.STL - LGA
Nonstop2h 33mDelta
Deal found 17/4C$ 378
Wed 8/510:00 a.m.DCA - STL
1 stop6h 46mUnited Airlines
Thu 9/56:30 a.m.STL - DCA
1 stop5h 52mUnited Airlines
Deal found 17/4C$ 382
Tue 14/58:05 a.m.JFK - STL
1 stop7h 17mDelta
Wed 15/56:12 p.m.STL - JFK
1 stop3h 59mDelta
Deal found 16/4C$ 384
Sat 25/56:12 p.m.BUF - STL
1 stop4h 22mDelta
Sun 26/56:30 a.m.STL - BUF
1 stop4h 04mDelta
Deal found 17/4C$ 395

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 506,061 searches and data were last updated on 17 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.
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$ 246
Sat 18/57:24 p.m.DCA - STL
1 stop5h 16mDelta
Wed 22/53:27 p.m.STL - DCA
1 stop6h 17mDelta
Deal found 16/4C$ 266
Wed 12/66:00 a.m.DCA - STL
1 stop7h 19mDelta
Wed 19/611:20 a.m.STL - DCA
1 stop4h 04mDelta
Deal found 16/4C$ 287
Sat 20/47:12 p.m.BUF - STL
1 stop20h 17mFrontier
Tue 7/54:50 p.m.STL - BUF
1 stop27h 03mFrontier
Deal found 17/4C$ 295
Wed 15/56:00 a.m.DCA - STL
1 stop4h 05mDelta
Sat 18/55:29 p.m.STL - DCA
1 stop4h 18mDelta
Deal found 16/4C$ 301
Sat 27/77:30 p.m.DCA - STL
1 stop5h 14mDelta
Mon 29/75:25 p.m.STL - DCA
1 stop4h 55mDelta
Deal found 16/4C$ 315
Sun 30/66:00 a.m.DCA - STL
1 stop4h 10mDelta
Fri 5/71:10 p.m.STL - DCA
1 stop6h 49mDelta
Deal found 17/4C$ 316
Mon 27/56:00 a.m.DCA - STL
1 stop7h 16mDelta
Fri 31/52:59 p.m.STL - DCA
1 stop6h 57mDelta
Deal found 16/4C$ 322
Mon 10/67:30 p.m.DCA - STL
1 stop5h 13mDelta
Wed 12/61:10 p.m.STL - DCA
1 stop6h 46mDelta
Deal found 16/4C$ 334

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 506,061 searches and data was last updated on 17 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.
Fri 26/48:05 a.m.JFK - STL
1 stop4h 51mDelta
Mon 6/53:52 p.m.STL - JFK
1 stop5h 35mDelta
Deal found 17/4C$ 722
Mon 22/42:00 p.m.DCA - STL
1 stop5h 08mDelta
Tue 23/46:30 a.m.STL - DCA
1 stop4h 10mDelta
Deal found 16/4C$ 765
Sat 27/43:30 p.m.LGA - STL
Nonstop2h 56mDelta
Tue 30/43:40 p.m.STL - LGA
Nonstop2h 34mDelta
Deal found 17/4C$ 769
Tue 23/45:40 p.m.JFK - STL
1 stop5h 20mDelta
Wed 24/411:45 a.m.STL - JFK
1 stop6h 54mDelta
Deal found 17/4C$ 795
Mon 22/412:15 p.m.LGA - STL
Nonstop2h 58mDelta
Wed 24/43:40 p.m.STL - LGA
Nonstop2h 34mDelta
Deal found 16/4C$ 821
Sat 27/46:00 a.m.JFK - STL
1 stop6h 56mDelta
Mon 29/43:51 p.m.STL - JFK
1 stop6h 56mDelta
Deal found 17/4C$ 824
Thu 25/410:15 a.m.LGA - STL
Nonstop3h 02mDelta
Sun 28/46:15 p.m.STL - LGA
Nonstop2h 32mDelta
Deal found 16/4C$ 850
Fri 26/411:22 a.m.LGA - STL
1 stop5h 24mUnited Airlines
Mon 29/45:25 p.m.STL - LGA
1 stop4h 49mUnited Airlines
Deal found 17/4C$ 853
Fri 26/410:10 a.m.JFK - STL
1 stop5h 36mDelta
Sun 28/47:10 a.m.STL - JFK
1 stop6h 23mDelta
Deal found 17/4C$ 853

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 506,061 searches and data was last updated on 17 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.
Wed 15/59:00 a.m.DCA - STL
1 stop6h 22mDelta
Deal found 17/4C$ 123
Tue 14/53:30 p.m.LGA - STL
Nonstop2h 46mDelta
Deal found 16/4C$ 179
Thu 2/511:25 a.m.JFK - STL
1 stop25h 55mSun Country Air
Deal found 17/4C$ 190
Tue 11/610:00 a.m.JFK - STL
1 stop5h 57mDelta
Deal found 17/4C$ 192
Thu 16/53:30 p.m.LGA - STL
Nonstop2h 46mDelta
Deal found 17/4C$ 200
Sun 19/56:10 a.m.DCA - STL
1 stop4h 09mDelta
Deal found 16/4C$ 213
Mon 13/54:59 p.m.JFK - STL
1 stop5h 35mDelta
Deal found 16/4C$ 213
Sat 18/53:30 p.m.LGA - STL
Nonstop2h 46mDelta
Deal found 16/4C$ 219
Sun 19/512:15 p.m.LGA - STL
Nonstop2h 55mDelta
Deal found 17/4C$ 221

Direct flights to St. Louis

Tue 14/510:20 a.m.LGA - STL
Nonstop2h 56mDelta
Wed 15/56:00 a.m.STL - LGA
Nonstop2h 33mDelta
Deal found 16/4C$ 357
Tue 7/57:15 p.m.LGA - STL
Nonstop2h 51mDelta
Thu 9/56:00 a.m.STL - LGA
Nonstop2h 33mDelta
Deal found 17/4C$ 378
Wed 3/76:59 a.m.LGA - STL
Nonstop2h 41mDelta
Wed 3/71:10 p.m.STL - LGA
Nonstop2h 35mDelta
Deal found 17/4C$ 385
Mon 13/510:20 a.m.LGA - STL
Nonstop2h 56mDelta
Thu 16/56:00 a.m.STL - LGA
Nonstop2h 33mDelta
Deal found 17/4C$ 399
Tue 30/412:15 p.m.LGA - STL
Nonstop2h 58mDelta
Tue 7/512:59 p.m.STL - LGA
Nonstop2h 36mDelta
Deal found 16/4C$ 408
Mon 3/610:20 a.m.LGA - STL
Nonstop2h 56mDelta
Thu 6/612:59 p.m.STL - LGA
Nonstop2h 36mDelta
Deal found 17/4C$ 420
Fri 31/56:59 p.m.LGA - STL
Nonstop2h 51mDelta
Sun 2/65:56 p.m.STL - LGA
Nonstop2h 33mDelta
Deal found 17/4C$ 426
Sat 29/68:31 a.m.LGA - STL
Nonstop2h 48mDelta
Sun 7/78:05 a.m.STL - LGA
Nonstop2h 34mDelta
Deal found 17/4C$ 440
Wed 8/58:00 a.m.DCA - STL
Nonstop2h 10mSouthwest
Thu 9/57:00 p.m.STL - DCA
Nonstop1h 55mSouthwest
Deal found 17/4C$ 442

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 506,061 searches and data was last updated on 17 April 2024.

Fly from

Any airport

Budget

C$ 246 - C$ 713

Route

Depart

Return

Price

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$ 246

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

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Sat 18/5

1 stop5h 16m

Lambert-St Louis

Mon 20/5

1 stop4h 42m

C$ 266

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

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Wed 12/6

1 stop7h 19m

Lambert-St Louis

Wed 19/6

1 stop4h 04m

C$ 287

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Sat 20/4

1 stop20h 17m

Lambert-St Louis

Tue 7/5

1 stop27h 03m

C$ 295

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

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Wed 15/5

1 stop4h 05m

Lambert-St Louis

Sat 18/5

1 stop4h 18m

C$ 301

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Thu 4/7

1 stop11h 00m

Lambert-St Louis

Sun 7/7

1 stop4h 59m

C$ 362

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$ 366

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Sat 25/5

2 stops15h 09m

Lambert-St Louis

Sun 26/5

1 stop5h 28m

C$ 662

New York John F Kennedy IntlLambert-St Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 31/5

2 stops29h 36m

Lambert-St Louis

Sat 1/6

1 stop11h 18m

C$ 713

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$ 194 while a round-trip flight costs C$ 389. 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$ 504

February

C$ 553

March

C$ 617

April

C$ 580

May

C$ 585

June

C$ 644

July

C$ 737

August

C$ 624

September

C$ 625

October

C$ 661

November

C$ 556

December

C$ 524

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 14 April 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to St. Louis should consider flying on Monday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday 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 17 April 2024.
Get a feel of what it's like to fly with Delta, American Airlines and Air Canada 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
9,098 reviews

Crew

8.6

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

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

8.1
Very good
9,098 reviews
8.1
Very good
9,098 reviews

Crew

8.6

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

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

8.1
Very good
11,136 reviews
8.1
Very good
9,098 reviews

Crew

8.6

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

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

7.7
Good
2,669 reviews
8.1
Very good
9,098 reviews

Crew

8.6

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

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
9,098 reviews

Crew

8.6

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

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

7.4
Good
11,346 reviews
8.1
Very good
9,098 reviews

Crew

8.6

Food

7.3

Entertainment

7.3

Boarding

8.2

Comfort

7.9

Overall

8.1

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$ 256.

  • 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

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.

Search flights to St. Louis by cabin class

Find flights to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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.