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Good to Know: Cheapest and Fastest Flights from STL

Useful information for finding cheap flights from Lambert St Louis International and booking your next trip

Cheapest Round Trip Flight

$481

AA American Airlines • 1 stop • 15h 21m

Dec 03 – Dec 07

The cheapest round trip flight from St Louis to Cancún (STL-CUN-STL) is currently $481

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Cheapest One way Flight

$171

F9 Frontier Airlines • 1 stop • 17h 22m

Sep 23

The cheapest one way flight from St Louis to Dallas (STL-DFW) is currently $171

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Cheapest Direct Flight

$266

AS Alaska Airlines • nonstop • 7h 8m

Oct 03

The cheapest nonstop flight from St Louis to Seattle (STL-SEA) is currently $266

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Fastest Flight

5h 5m

The fastest nonstop flight from St Louis to Cancún (STL-CUN) takes 5h 5m

Top Airlines Flying from Lambert St Louis International (STL)

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Air Canada-AC

Air Canada

Alaska Airlines -AS

Alaska Airlines

Aeromexico Airline (AM)

Aeromexico

Turkish Airlines - TK

Turkish Airlines

Lufthansa Airline (LH)

Lufthansa Airlines

Emirates Airline, EK

Emirates Airlines

Most Recent Flight Deals from St Louis Now!

Compare and book low fare round-trip air tickets from St Louis. Ideal for travelers with confirmed return itineraries.

Dec 03 - Dec 07, Economy
AA
St Louis → Cancún
15h 21m
5:04 AM - 2:25 PM • 1 stop
AA
St Louis → Cancún
8h 48m
7:00 AM - 12:28 PM • 1 stop
$481
American Airlines
Dec 03 - Dec 07, Economy
DL
St Louis → Cancún
12h 12m
12:36 PM - 9:08 PM • 1 stop
DL
St Louis → Cancún
39h 15m
5:48 PM - 4:43 PM • 2 stops
$501
Delta Airlines
Dec 03 - Dec 07, Economy
WN
St Louis → Cancún
11h 40m
11:45 AM - 7:45 PM • 1 stop
WN
St Louis → Cancún
14h 5m
2:10 PM - 9:55 PM • 2 stops
$699
Southwest Airlines
Dec 03 - Dec 07, Economy
UA
St Louis → Cancún
10h 29m
6:30 AM - 1:59 PM • 1 stop
UA
St Louis → Cancún
10h 37m
8:39 AM - 2:16 PM • 1 stop
$947
United Airlines
Dec 03 - Dec 07, Economy
F9
St Louis → Cancún
43h 23m
6:05 PM - 9:08 PM • 3 stops
F9
St Louis → Cancún
5h 25m
2:00 PM - 4:25 PM • nonstop
$970
Frontier Airlines
Dec 03 - Dec 07, Economy
UA
St Louis → Cancún
40h 30m
11:05 AM - 12:35 PM • 1 stop
UA
St Louis → Cancún
34h 5m
2:04 PM - 9:49 AM • 1 stop
$1493
United Airlines

Affordable Worldwide Flights from Lambert St Louis International (STL)

Looking for cheap last-minute flight deals or the best round-trip flight from St Louis? Find the biggest savings on one-way and round-trip tickets right here. Search and compare low-cost domestic airfares and international flight deals from STL to all the popular destinations of the world using our flight search and compare platform. Some top destinations where people fly most from St Louis are Cancún, Raleigh/Durham, Panama City Beach, Phoenix, Las Vegas and more.

FAQs on Flights from St Louis (STL)

Which airlines fly from St Louis?
Airlines flying the most from St Louis (STL)
What are the most popular destination from St Louis ( STL )?
Travelers frequently travel to Cincinnati, Dallas, San Diego, Seattle, Cancún from St Louis

Essential Information for Booking Flights from St Louis (STL) - AI Insights

What's the cheapest airline from stl?
You can find budget-friendly flights from St. Louis Lambert International Airport (STL) on Frontier Airlines (F9), which operates with a two-stop route. For a premium economy experience, you can book a seat with more legroom and amenities. Booking in advance is recommended, as it can help you secure a lower fare. You can expect to pay around airfares for a one-way trip.
What's the popular airline to fly from stl?
For a premium economy flight from St. Louis Lambert International Airport (stl) with 2 passengers, booking 43 days in advance, consider Southwest Airlines (WN) for a budget-friendly option. You can find the cheapest airfares on their website for a one-way trip with two stops.
What's the cheapest day of the week to fly from stl?
The cheapest day to fly from Lambert St Louis International Airport (stl) is Sunday. Flying on Sundays can result in budget-friendly flights, making it a great option for travelers. For a 2-passenger, Premium Economy booking with two stops, advance booking is recommended 43 days in advance. This can help secure the best airfares, such as the cheapest flights, and make your weekend travel plans more affordable.
What's the cheapest month to fly from stl?
The cheapest month to fly from St. Louis Lambert International Airport (STL) is December, as it tends to have lower airfares compared to other months. Flying during this time can help you secure Budget-friendly flights and Low Fares. November and February are also good options to consider for cheap airline tickets.
Which airline/airlines fly from stl?
Delta Airlines (DL) and Aeromexico (AM) offer flights from Lambert St Louis International Airport (stl) with two stops. For a premium economy experience, consider Southwest Airlines (WN) or Southern Airways (9X). Booking in advance, you can find savings on airfares with United Airlines (UA), American Airlines (AA), or Volaris Airline (Y4).
What is the cheapest airline to fly from Lambert St Louis International to Milwaukee?
Frontier Airlines (F9) offers the cheapest flights from Lambert St Louis International to Milwaukee.
How far in advance can I book my flight for the best fares?
It is recommended to book your flight at least 43 days in advance to get the best fares.
What is the difference between Premium Economy and Economy class on flights?
Premium Economy offers enhanced comfort with more legroom and amenities compared to Economy class.
Can I book a one-way flight with a layover?
Yes, you can book a one-way flight with a layover.
How do I find the best airfare deals on flights to Milwaukee?
You can use the web to compare airfares and find the best agency for your travel needs.
Can I book a bus ticket instead of a flight for my weekend getaway?
No, you cannot book a bus ticket instead of a flight for your weekend getaway.
How do I use the web to compare airfares and find the best agency for my travel needs?
You can use the web to compare airfares and find the best agency for your travel needs.

Airport Information: Lambert St Louis International (STL)

IATA Code
STL
Name
Lambert St Louis International
City
St Louis
Country
US
Latitude
38.74869918823242
Longitude
-90.37000274658203

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