Cheap Flights from Lambert-St. Louis Intl. Airport (STL)

View $29 flight on Tue, Jan 6, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL)

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Air Canada

    Air Canada

  • Alaska Airlines

    Alaska Airlines

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Today's featured flight deals from St. Louis Lambert Intl. Airport (STL)

Nonstop
Carry-on included
Lower price than typical

Flights from Lambert-St. Louis Intl. Airport

Prices were available within the past 7 days and start at $29 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Feb 28 - Wed, Mar 4
STL
St. Louis
DEN
Denver
$58 Roundtrip, found 1 hour ago
$58
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Feb 28 from St. Louis to Denver, returning Wed, Mar 4, priced at $58 found 1 hour ago
Frontier Airlines
Mon, Jan 12 - Fri, Jan 16
STL
St. Louis
TPA
Tampa
$68 Roundtrip, found 3 hours ago
$68
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Jan 12 from St. Louis to Tampa, returning Fri, Jan 16, priced at $68 found 3 hours ago
Frontier Airlines
Sat, Jan 10 - Mon, Jan 12
STL
St. Louis
DEN
Denver
$69 Roundtrip, found 2 hours ago
$69
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Jan 10 from St. Louis to Denver, returning Mon, Jan 12, priced at $69 found 2 hours ago
Frontier Airlines
Fri, Feb 27 - Sat, Feb 28
STL
St. Louis
DEN
Denver
$73 Roundtrip, just found
$73
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Feb 27 from St. Louis to Denver, returning Sat, Feb 28, priced at $73 just found
Frontier Airlines
Wed, Jan 7 - Fri, Jan 9
STL
St. Louis
MCO
Orlando
$78 Roundtrip, just found
$78
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jan 7 from St. Louis to Orlando, returning Fri, Jan 9, priced at $78 just found
Frontier Airlines
Sat, Feb 21 - Mon, Mar 2
STL
St. Louis
DEN
Denver
$79 Roundtrip, found 7 hours ago
$79
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sat, Feb 21 from St. Louis to Denver, returning Mon, Mar 2, priced at $79 found 7 hours ago
United
Wed, Feb 18 - Sat, Feb 28
STL
St. Louis
DEN
Denver
$157 Roundtrip, found 5 hours ago
$157
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Feb 18 from St. Louis to Denver, returning Sat, Feb 28, priced at $157 found 5 hours ago
Southwest Airlines
Wed, Feb 4 - Sat, Feb 14
STL
St. Louis
DEN
Denver
$157 Roundtrip, found 5 hours ago
$157
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Wed, Feb 4 from St. Louis to Denver, returning Sat, Feb 14, priced at $157 found 5 hours ago
American Airlines
Sat, Feb 7 - Wed, Feb 11
STL
St. Louis
DEN
Denver
$187 Roundtrip, found 10 hours ago
$187
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sat, Feb 7 from St. Louis to Denver, returning Wed, Feb 11, priced at $187 found 10 hours ago
Alaska Airlines
Tue, Jan 27 - Thu, Feb 12
STL
St. Louis
LAS
Las Vegas
$266 Roundtrip, just found
$266
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Jan 27 from St. Louis to Las Vegas, returning Thu, Feb 12, priced at $266 just found

Lambert-St. Louis Intl. Airport Information

Cheap flights from Lambert-St. Louis Intl. Airport will take you to an array of ever-popular vacation destinations without putting a big dent in that all-important vacation budget. This means plenty more spending money for when you get to your desired location. You can easily browse for potential airlines and routes, whether direct flights or indirect itineraries, with the user-friendly listings on Expedia. After inputting your preferred dates and times, multiple carriers will be clearly laid out, so you can see if your preferred airline flies from Lambert-St. Louis Intl. Airport, or whether another departure point would potentially suit you better. By using Expedia to compare the rates and flight times available, you can ensure you bag the best possible travel deal from Lambert-St. Louis Intl. Airport, STL, or any other airport. After that’s all arranged, you can relax in the knowledge that your flight plans are in place, and get on with the exciting preparations for your trip.

Getting to Lambert-St. Louis Intl. Airport

There will be a number of options when it comes to getting to Lambert-St. Louis Intl. Airport. Intending to drive with your own set of wheels from St. Louis or further afield? Check the airport website, or online maps, to find out the easiest and quickest way to get here. You can also look into taxi options and prices for getting to Lambert-St. Louis Intl. Airport. Prefer the idea of getting to the airport on board a bus or coach? Check beforehand to be sure of exactly where you’ll be stopping in relation to the main part of the airport itself, and how long you’ll need to factor in to get to baggage check-in.

Things to consider when flying from Lambert-St. Louis Intl., STL

Intending to pick up some vacation bits and pieces before jetting off? It’s useful to look at the Lambert-St. Louis Intl. Airport website to see exactly what shops are available to travelers, so you know you’re covered for cosmetics, clothes, and accessories. This will also let you know what kind of eateries are on offer – after all, bars and restaurants are great places to chill out in the lead-up to the flight and have a light snack or hearty meal to satisfy everyone in your travel party. If you’re coming back to St. Louis after your trip, it’s well worth researching return routes and timetables, depending on what form of transportation you’ll be using. Remember that researching flights from St. Louis STL Airport thoroughly ahead of time through Expedia could save you plenty of money if you book the trip well in advance.

Frequently asked questions

What are the cheapest places to fly from Lambert-St. Louis Intl. Airport (STL)?
With our cheap MCO flights from $29 from Lambert-St. Louis Intl. Airport (STL), your next adventure doesn't have to break the bank.* Whether you want a one-way or return ticket, we've got some of the cheapest flights from STL around. Browse the options above or click on our flight deals to find fantastic prices on a range of destinations.*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How to find cheap flights from STL with Expedia?
You've found the right place for cheap flights from Lambert-St. Louis Intl. Airport (STL). To snag the best fares, stay flexible with your dates. After choosing your destination, click on the dates to see the cheapest flights from STL throughout the month. You can also sort the results by "Price (lowest to highest)."
Does Lambert-St. Louis Intl. Airport (STL) have international flights?
Every week, 32 international flights from Lambert-St. Louis Intl. Airport (STL) connect passengers to Cancun, Toronto, Mississauga and other popular destinations.
What is the airport code for Lambert-St. Louis Intl. Airport (STL)?
STL is the airport code used by Lambert-St. Louis Intl. Airport (STL).
Where can you fly to from STL?
You can travel to 63 domestic destinations from Lambert-St. Louis Intl. Airport (STL). Pack your bags and take off to any of these favorites:

  • Chicago
  • New York
  • East Elmhurst
  • Denver
  • Arlington

Fly away to one of the 9 destinations from Lambert-St. Louis Intl. Airport (STL) and discover more of the world. Some of the popular international flights are to:

  • Cancun
  • Toronto
  • Mississauga
  • Punta Cana
  • Frankfurt

Which airlines fly out of Lambert-St. Louis Intl. Airport (STL)?
You'll have plenty of airlines from Lambert-St. Louis Intl. Airport (STL) to select from. They include:

  • Southwest Airlines (WN)
  • American Airlines (AA)
  • United Airlines (UA)
  • Delta Air Lines (DL)
  • Southern Airways Express (9X)

How many flights per day depart from STL?
Every day, there's an average of 172 departure flights from Lambert-St. Louis Intl. Airport (STL).
How many terminals are there in Lambert-St. Louis Intl. Airport (STL) and how early should I arrive before my flight?
Lambert-St. Louis Intl. Airport (STL) has 2 terminal buildings — 1 and 2. Your ticket should show which one you'll jet out from. If it doesn't, check with your airline directly. This will help avoid any check-in confusions. If you don't want to be rushed, arrive two hours before your departure time for domestic flights. If you're on an international flight, aim to arrive three hours in advance. This will leave you enough time to clear security and customs and then find your way to your gate. It's smart to add extra time during peak periods, such as school holidays and Christmas.
How far is STL from central St. Louis?
Located about 12 mi northwest of the center of St. Louis, you can reach STL with public transportation in around 36 minutes. If you want to drive or ride-share, it'll take 21 minutes or so to get there, depending on traffic. Leave early so you arrive with enough time to spare.
Does Lambert-St. Louis Intl. Airport (STL) have a hotel?
Make your flight from Lambert-St. Louis Intl. Airport (STL) as seamless as possible by staying at Best Western Plus St. Louis Airport Hotel the evening before you fly. Located 1 mi away, this property has an electric car charging station and pillow top mattresses. Or, reserve a room at Drury Inn & Suites St. Louis Airport and take advantage of a swimming pool and free long-distance calls. This option is 0.3 mi from STL.
Are there lounges in Lambert-St. Louis Intl. Airport (STL)?
Rest or catch up on work before your flight from STL in a peaceful airport lounge. Access is typically available to first-class or business passengers and frequent flyers with airlines from Lambert-St. Louis Intl. Airport (STL). If you don't meet the eligibility criteria, you may be able to purchase a one-day pass. Check the airport's website for more details.
What is an alternative airport to Lambert-St. Louis Intl. Airport (STL)?
One option to think about is Abraham Lincoln Capital Airport (SPI), which is around 85 mi from STL. It's one of the most convenient alternatives to Lambert-St. Louis Intl. Airport (STL).
What is the cancellation policy on flights and how do I cancel my flight on Expedia?
If you booked a flight from STL during the last 24 hours, you might be able to cancel it without any fees. However, refunds aren't always given, and you may be offered a flight credit instead. Visit our Customer Service Portal or look over your booking's terms and conditions for further details.

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