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Cheap flights to St. Louis from C$ 214

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 6/6. 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.
BOS — STL
21 May — 28 May1
1 adult
Tue 21/5
Tue 28/5

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 409,532 searches and data was last updated on 16 May 2024.

Popular in

June

Cheapest in

January

Average price

C$ 595

Round-trip from

C$ 527

One-way from

C$ 214
High demand for flights, 4% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in May 2024
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From Toronto to Lambert-St Louis
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One-way flight from Toronto to Lambert-St Louis (STL)
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Cheap flights to St. Louis in May & June 2024

Discover affordable flights and deals to St. Louis in May and June 2024. In the last 7 days, Cheapflights users made a total of 409,532 searches and data was last updated on 16 May 2024.
The below flights offer some of the lowest fares to St. Louis in May and June 2024. Prices refresh often so be sure to come back soon for more deals.
Sun 9/66:30 a.m.YYZ - STL
1 stop11h 02mMultiple Airlines
Tue 11/611:57 a.m.STL - YYZ
1 stop25h 31mMultiple Airlines
Deal found 15/5C$ 358
Wed 22/57:50 a.m.YYZ - STL
1 stop13h 20mMultiple Airlines
Wed 29/59:10 p.m.STL - YYZ
1 stop25h 16mMultiple Airlines
Deal found 15/5C$ 384
Tue 28/57:50 a.m.YYZ - STL
1 stop6h 47mMultiple Airlines
Tue 18/67:29 p.m.STL - YYZ
1 stop10h 06mMultiple Airlines
Deal found 15/5C$ 396
Mon 17/64:15 p.m.YYZ - STL
2 stops23h 08mMultiple Airlines
Wed 19/61:55 p.m.STL - YYZ
1 stop15h 48mMultiple Airlines
Deal found 16/5C$ 416
Sun 26/56:30 a.m.YYZ - STL
1 stop11h 59mMultiple Airlines
Tue 18/67:29 p.m.STL - YYZ
1 stop10h 06mMultiple Airlines
Deal found 15/5C$ 422
Sun 9/66:30 a.m.YYZ - STL
1 stop11h 02mMultiple Airlines
Tue 11/67:45 a.m.STL - YYZ
2 stops10h 50mMultiple Airlines
Deal found 15/5C$ 426
Fri 24/58:15 p.m.YYZ - STL
1 stop15h 13mMultiple Airlines
Thu 20/67:45 a.m.STL - YYZ
2 stops10h 50mMultiple Airlines
Deal found 15/5C$ 440
Fri 24/510:40 a.m.YYZ - STL
1 stop24h 48mMultiple Airlines
Wed 19/61:55 p.m.STL - YYZ
1 stop15h 48mMultiple Airlines
Deal found 15/5C$ 441
Fri 24/58:15 p.m.YYZ - STL
1 stop15h 13mMultiple Airlines
Sat 22/611:34 a.m.STL - YYZ
1 stop10h 52mMultiple Airlines
Deal found 15/5C$ 443

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 409,532 searches and data were last updated on 16 May 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.
Sun 9/66:30 a.m.YYZ - STL
1 stop11h 02mMultiple Airlines
Tue 11/611:57 a.m.STL - YYZ
1 stop25h 31mMultiple Airlines
Deal found 15/5C$ 358
Wed 22/57:50 a.m.YYZ - STL
1 stop13h 20mMultiple Airlines
Wed 29/59:10 p.m.STL - YYZ
1 stop25h 16mMultiple Airlines
Deal found 15/5C$ 384
Tue 28/57:50 a.m.YYZ - STL
1 stop6h 47mMultiple Airlines
Tue 18/67:29 p.m.STL - YYZ
1 stop10h 06mMultiple Airlines
Deal found 15/5C$ 396
Mon 17/64:15 p.m.YYZ - STL
2 stops23h 08mMultiple Airlines
Wed 19/61:55 p.m.STL - YYZ
1 stop15h 48mMultiple Airlines
Deal found 16/5C$ 416
Sun 26/56:30 a.m.YYZ - STL
1 stop11h 59mMultiple Airlines
Tue 18/67:29 p.m.STL - YYZ
1 stop10h 06mMultiple Airlines
Deal found 15/5C$ 422
Sun 9/66:30 a.m.YYZ - STL
1 stop11h 02mMultiple Airlines
Tue 11/67:45 a.m.STL - YYZ
2 stops10h 50mMultiple Airlines
Deal found 15/5C$ 426
Fri 24/58:15 p.m.YYZ - STL
1 stop15h 13mMultiple Airlines
Thu 20/67:45 a.m.STL - YYZ
2 stops10h 50mMultiple Airlines
Deal found 15/5C$ 440
Fri 24/510:40 a.m.YYZ - STL
1 stop24h 48mMultiple Airlines
Wed 19/61:55 p.m.STL - YYZ
1 stop15h 48mMultiple Airlines
Deal found 15/5C$ 441
Fri 24/58:15 p.m.YYZ - STL
1 stop15h 13mMultiple Airlines
Sat 22/611:34 a.m.STL - YYZ
1 stop10h 52mMultiple Airlines
Deal found 15/5C$ 443

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 409,532 searches and data was last updated on 16 May 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.
Wed 22/57:50 a.m.YYZ - STL
1 stop13h 20mMultiple Airlines
Wed 29/59:10 p.m.STL - YYZ
1 stop25h 16mMultiple Airlines
Deal found 15/5C$ 384
Sun 26/56:30 a.m.YYZ - STL
1 stop11h 59mMultiple Airlines
Tue 18/67:29 p.m.STL - YYZ
1 stop10h 06mMultiple Airlines
Deal found 15/5C$ 422
Fri 24/58:15 p.m.YYZ - STL
1 stop15h 13mMultiple Airlines
Thu 20/67:45 a.m.STL - YYZ
2 stops10h 50mMultiple Airlines
Deal found 15/5C$ 440
Fri 24/510:40 a.m.YYZ - STL
1 stop24h 48mMultiple Airlines
Wed 19/61:55 p.m.STL - YYZ
1 stop15h 48mMultiple Airlines
Deal found 15/5C$ 441
Fri 24/58:15 p.m.YYZ - STL
1 stop15h 13mMultiple Airlines
Sat 22/611:34 a.m.STL - YYZ
1 stop10h 52mMultiple Airlines
Deal found 15/5C$ 443
Sat 25/58:30 p.m.YYZ - STL
1 stop11h 38mMultiple Airlines
Thu 20/67:45 a.m.STL - YYZ
2 stops10h 50mMultiple Airlines
Deal found 15/5C$ 446
Sat 25/58:30 p.m.YYZ - STL
1 stop11h 38mMultiple Airlines
Sat 22/611:34 a.m.STL - YYZ
1 stop10h 52mMultiple Airlines
Deal found 15/5C$ 450
Sat 25/58:30 p.m.YYZ - STL
1 stop11h 38mMultiple Airlines
Tue 18/67:45 a.m.STL - YYZ
2 stops10h 50mMultiple Airlines
Deal found 15/5C$ 463
Fri 24/510:40 a.m.YYZ - STL
1 stop24h 48mMultiple Airlines
Sun 16/66:30 a.m.STL - YYZ
1 stop10h 02mMultiple Airlines
Deal found 15/5C$ 489

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 409,532 searches and data was last updated on 16 May 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 6/64:15 p.m.YYZ - STL
1 stop15h 52mMultiple Airlines
Deal found 15/5C$ 214
Fri 21/68:15 p.m.YYZ - STL
1 stop15h 19mMultiple Airlines
Deal found 15/5C$ 230
Fri 21/68:15 p.m.YYZ - STL
1 stop15h 19mMultiple Airlines
Deal found 15/5C$ 232
Wed 19/68:00 p.m.YYZ - STL
1 stop15h 42mMultiple Airlines
Deal found 15/5C$ 248
Fri 12/77:50 a.m.YYZ - STL
1 stop25h 46mMultiple Airlines
Deal found 16/5C$ 256
Fri 21/64:15 p.m.YYZ - STL
2 stops26h 13mMultiple Airlines
Deal found 15/5C$ 286
Fri 21/68:15 p.m.YYZ - STL
2 stops22h 13mMultiple Airlines
Deal found 15/5C$ 287
Thu 8/88:15 p.m.YYZ - STL
1 stop13h 21mMultiple Airlines
Deal found 15/5C$ 289
Thu 6/66:17 a.m.YYZ - STL
1 stop6h 31mDelta
Deal found 15/5C$ 296

Direct flights to St. Louis

Thu 3/106:55 p.m.YYZ - STL
Nonstop2h 05mAir Canada
Sun 6/104:05 p.m.STL - YYZ
Nonstop1h 54mAir Canada
Deal found 14/5C$ 593
Wed 10/72:15 p.m.YYZ - STL
Nonstop2h 06mMultiple Airlines
Tue 16/74:05 p.m.STL - YYZ
Nonstop1h 59mMultiple Airlines
Deal found 15/5C$ 598
Fri 28/62:15 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Mon 1/74:05 p.m.STL - YYZ
Nonstop1h 59mUnited Airlines
Deal found 14/5C$ 604
Fri 14/66:55 p.m.YYZ - STL
Nonstop2h 06mMultiple Airlines
Sun 23/611:00 a.m.STL - YYZ
Nonstop1h 59mMultiple Airlines
Deal found 16/5C$ 619
Mon 12/86:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Sun 18/810:10 a.m.STL - YYZ
Nonstop1h 59mAir Canada
Deal found 15/5C$ 624
Wed 29/52:15 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Sat 22/64:05 p.m.STL - YYZ
Nonstop1h 59mAir Canada
Deal found 15/5C$ 636
Wed 3/72:15 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Sun 7/710:10 a.m.STL - YYZ
Nonstop1h 59mAir Canada
Deal found 15/5C$ 638
Thu 15/86:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Sun 18/84:05 p.m.STL - YYZ
Nonstop1h 59mAir Canada
Deal found 16/5C$ 639
Fri 14/62:15 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Sun 23/611:00 a.m.STL - YYZ
Nonstop1h 59mAir Canada
Deal found 15/5C$ 649

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 409,532 searches and data was last updated on 16 May 2024.

Fly from

Any airport

Budget

C$ 527 - C$ 604

Route

Depart

Return

Price

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 19/6

1 stop9h 16m

Lambert-St Louis

Mon 24/6

1 stop7h 19m

C$ 527

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 24/5

2 stops30h 45m

Lambert-St Louis

Sun 16/6

1 stop10h 02m

C$ 538

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 24/5

1 stop24h 48m

Lambert-St Louis

Tue 18/6

2 stops17h 48m

C$ 545

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 4/6

1 stop5h 04m

Lambert-St Louis

Wed 5/6

1 stop4h 27m

C$ 563

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 17/7

1 stop5h 45m

Lambert-St Louis

Sat 20/7

1 stop5h 30m

C$ 576

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 18/6

1 stop5h 17m

Lambert-St Louis

Tue 18/6

2 stops28h 05m

C$ 595

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 18/6

Nonstop2h 06m

Lambert-St Louis

Tue 18/6

1 stop5h 27m

C$ 597

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Mon 27/5

1 stop5h 03m

Lambert-St Louis

Wed 19/6

1 stop4h 57m

C$ 601

Toronto Pearson IntlLambert-St Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Fri 28/6

Nonstop2h 06m

Lambert-St Louis

Mon 1/7

1 stop5h 28m

C$ 604

Flights are sorted by cheapest first

Deals found on 15/5

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$ 260 while a round-trip flight costs C$ 572. Price data was last updated on 12 May 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$ 559). 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$ 497

February

C$ 546

March

C$ 609

April

C$ 548

May

C$ 575

June

C$ 715

July

C$ 762

August

C$ 639

September

C$ 617

October

C$ 653

November

C$ 549

December

C$ 518

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 10 May 2024.
The best time to book flights to St. Louis is 78 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.
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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 12 May 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 Monday afternoons, when prices are usually at their highest.
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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 May 2024.
Get a feel of what it's like to fly with United Airlines, American Airlines and Delta 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.
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Delta
8.0
Very good
10,673 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

WestJet
7.5
Good
2,919 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

United Airlines
7.4
Good
10,924 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

American Airlines
7.3
Good
14,514 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Air Canada
7.0
Good
6,947 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

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. 

  • 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$ 74, while round-trip flights cost around C$ 300.

  • 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 5 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).

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