Cheap Flights from Lambert-St. Louis Intl. Airport

View ฿3,305 flight on Sat, 26 Sept 2026Opens in a new window

Popular airlines from Lambert-St. Louis International Airport (STL)

  • American Airlines

  • United

  • Delta

  • Southwest Airlines

  • Alaska Airlines

  • Frontier Airlines

  • Air Canada

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Flights from Lambert-St. Louis Intl. Airport

Prices were available within the past 7 days and start at ฿3,305 for one-way flights and ฿6,610 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 26 Sept - Sat, 3 Oct
STL
St. Louis
DEN
Denver
฿6,610 Return, found 12 hours ago
฿6,610
Return
found 12 hours ago
Select Delta flight, departing Sat, 26 Sept from St. Louis to Denver, returning Sat, 3 Oct, priced at ฿6,610 found 12 hours ago
United
Sat, 26 Sept - Sat, 3 Oct
STL
St. Louis
DEN
Denver
฿7,605 Return, found 12 hours ago
฿7,605
Return
found 12 hours ago
Select United flight, departing Sat, 26 Sept from St. Louis to Denver, returning Sat, 3 Oct, priced at ฿7,605 found 12 hours ago
United
Sat, 26 Sept - Sat, 3 Oct
STL
St. Louis
DEN
Denver
฿7,940 Return, found 12 hours ago
฿7,940
Return
found 12 hours ago
Select United flight, departing Sat, 26 Sept from St. Louis to Denver, returning Sat, 3 Oct, priced at ฿7,940 found 12 hours ago
Delta
Sat, 26 Sept - Sat, 3 Oct
STL
St. Louis
DEN
Denver
฿8,295 Return, found 12 hours ago
฿8,295
Return
found 12 hours ago
Select Delta flight, departing Sat, 26 Sept from St. Louis to Denver, returning Sat, 3 Oct, priced at ฿8,295 found 12 hours ago
Delta
Sat, 26 Sept - Sat, 3 Oct
STL
St. Louis
DEN
Denver
฿8,305 Return, found 12 hours ago
฿8,305
Return
found 12 hours ago
Select Delta flight, departing Sat, 26 Sept from St. Louis to Denver, returning Sat, 3 Oct, priced at ฿8,305 found 12 hours ago
Delta
Thu, 24 Sept - Mon, 28 Sept
STL
St. Louis
MCO
Orlando
฿8,535 Return, found 13 hours ago
฿8,535
Return
found 13 hours ago
Select Delta flight, departing Thu, 24 Sept from St. Louis to Orlando, returning Mon, 28 Sept, priced at ฿8,535 found 13 hours ago
Delta
Sat, 26 Sept - Sat, 3 Oct
STL
St. Louis
DEN
Denver
฿8,545 Return, found 12 hours ago
฿8,545
Return
found 12 hours ago
Select Delta flight, departing Sat, 26 Sept from St. Louis to Denver, returning Sat, 3 Oct, priced at ฿8,545 found 12 hours ago
United
Sat, 26 Sept - Sat, 3 Oct
STL
St. Louis
DEN
Denver
฿8,595 Return, found 12 hours ago
฿8,595
Return
found 12 hours ago
Select United flight, departing Sat, 26 Sept from St. Louis to Denver, returning Sat, 3 Oct, priced at ฿8,595 found 12 hours ago
Delta
Sat, 26 Sept - Sat, 3 Oct
STL
St. Louis
DEN
Denver
฿8,860 Return, found 12 hours ago
฿8,860
Return
found 12 hours ago
Select Delta flight, departing Sat, 26 Sept from St. Louis to Denver, returning Sat, 3 Oct, priced at ฿8,860 found 12 hours ago
American Airlines
Sat, 26 Sept - Sat, 3 Oct
STL
St. Louis
DEN
Denver
฿9,265 Return, found 12 hours ago
฿9,265
Return
found 12 hours ago
Select American Airlines flight, departing Sat, 26 Sept from St. Louis to Denver, returning Sat, 3 Oct, priced at ฿9,265 found 12 hours ago

Frequently asked questions

What is the airport code for Lambert-St. Louis Intl. Airport (STL)?
Lambert-St. Louis Intl. Airport (STL) uses the airport code: STL.
How many terminals are there in STL and how early should I arrive before my flight?
STL is home to 2 terminal buildings. A few days before you travel, check with your airline about whether you'll be leaving from 1 or 2. Get your trip off to a comfortable start by arriving 1.5-2 hours ahead of domestic journeys. For international routes, you'll want to arrive 2-3 hours before departure time. Both recommendations take into account potential delays at security, time needed to drop off bags and finding your gate.
How far is Lambert-St. Louis Intl. Airport (STL) from central St. Louis?
Exit the arrivals area at Lambert-St. Louis Intl. Airport (STL) and head for the downtown area with a St. Louis car rental or on public transportation. You can collect a great set of wheels right at the airport. Budget, Avis and Thrifty Car Rental are some popular outlets to look into. Alternatively, use the taxi service to venture into the city from STL. Downtown St. Louis is around 19 kilometres away to the southeast.
Does Lambert Field have a hotel?
You're sure to have a restful night before your flight if you book a room at the Marriott St. Louis Airport. This high-end option offers amenities like self check-in services and is just moments from the terminal. Don't forget to check out the rooms at the Holiday Inn Express & Suites St Louis Airport, an IHG Hotel and the Comfort Home near airport. Both of these places are just a short drive from the check-in counter. The first one offers a swimming pool, a nearby metro station and dry cleaning and laundry services, while the other has a garden, a barbecue grill and a yard.
Are there private lounges in Lambert Field?
Yes — an oasis of peace and quiet awaits at Lambert-St. Louis Intl. Airport (STL). A private lounge is a terrific place to get away from the chaos of the busy terminal area. Inquire into whether your fare class or level of membership includes access. If not, day passes may be available.
What airlines fly out of STL?
You're spoiled for choice when flying out of STL with these top domestic airlines:

  • American Airlines
  • United Airlines
  • Delta Air Lines

Quit daydreaming and live out your travel desires with one of these leading carriers that fly around the world from Lambert Field:

  • Frontier Airlines
  • Lufthansa

How many flights per day fly out of STL?
Get up and away on one of the 202 flights that depart Lambert-St. Louis Intl. Airport (STL) a day. If you're about to plan your next great escape, look up this airport's destination list.
How to find cheap flights from STL with Expedia?
After entering your destination and travel dates, you can sort your results by price, along with filter by baggage inclusions, preferred airlines and more. The cheapest one-way flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) was to Denver (DEN) at ฿3,305. 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. Expedia makes it easy to find cheap flights from your departure airport to wherever you're travelling. Once you've entered your dates and destination, use the filters to the left and the "Price (Lowest)" sort function to see your cheapest options. You can also click on "Flexible dates" above the search results to compare the lowest prices for days surrounding your trip.
Where can you fly to from STL?
There are plenty of places you can journey to from STL, but the most popular international destinations are Cancun, Montego Bay and Punta Cana. If you can only spare enough time for a short weekend escape, stay within the country and jet to Chicago, Dallas or Denver. No matter your schedule, we've got top deals and a fabulous destination ready and waiting for you.
What is the cancellation policy on flights and how do I cancel my flight on Expedia?
Most flights are free to cancel within 24 hours of making the reservation. However, some flights are non-refundable, and you may receive a flight credit from the airline to use for a future booking. For more information, please visit our Customer Service Portal.

Travel information

Lambert-St. Louis Intl. Airport Information

Airport Name
Airport Location
Airport Code
Latitude
Longitude
Altitude
Lambert St. Louis Intl.St. Louis, USIATA: STL, ICAO: KSTL, GPS Code: KSTL38.748699-90.370003188.37 meters

Lambert St. Louis Intl., (STL), offers flights from major airline carriers to a number of well-traveled global destinations. You will find useful information above about St. Louis airport to assist you when planning your next trip. Booking flights from STL is easy with Expedia, the world’s largest online travel source.

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