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Uncover the best deals on Pittsburgh to St Louis flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest PIT - STL Flights
Useful information for finding best airline tickets from Pittsburgh International to Lambert St Louis International on your next trip.
Cheapest Round Trip Flight
$306
American Airlines
• 1 stop
• 15h 31m
Jul 03 – Jul 08
The cheapest round trip flight from Pittsburgh to St Louis (PIT-STL-PIT) is currently $306
Cheapest Direct Flight
$7346
Southwest Airlines
• nonstop
• 2h 25m
Jul 03
The cheapest nonstop flight from Pittsburgh to St Louis (PIT-STL) is currently $7346
Fastest Flight
2h 25m
The fastest nonstop flight from Pittsburgh to St Louis (PIT-STL) takes 2h 25m
Latest Flight Deals from Pittsburgh (PIT) to St Louis (STL)
Compare and book low fare round-trip air tickets from Pittsburgh to St Louis. Ideal for travelers with confirmed return itineraries.
Jul 03 - Jul 08, Economy
Pittsburgh → St Louis
15h 31m
6:19 AM - 2:50 PM • 1 stop
Pittsburgh → St Louis
6h 50m
11:15 AM - 4:25 PM • 1 stop
American Airlines
Jul 03 - Jul 08, Economy
Pittsburgh → St Louis
7h 7m
3:59 PM - 7:26 PM • 1 stop
Pittsburgh → St Louis
7h 17m
2:32 PM - 8:09 PM • 1 stop
American Airlines
Jul 03 - Jul 08, Economy
Pittsburgh → St Louis
7h 27m
7:45 PM - 11:32 PM • 1 stop
Pittsburgh → St Louis
6h 50m
11:15 AM - 4:25 PM • 1 stop
American Airlines
Jul 03 - Jul 08, Economy
Pittsburgh → St Louis
7h 28m
6:40 AM - 10:28 AM • 1 stop
Pittsburgh → St Louis
5h 59m
10:51 AM - 3:50 PM • 1 stop
Delta Airlines
Jul 03 - Jul 08, Economy
Pittsburgh → St Louis
13h 30m
8:45 AM - 3:55 PM • 1 stop
Pittsburgh → St Louis
6h 50m
6:55 AM - 12:05 PM • 1 stop
Southwest Airlines
Flying to St Louis soon? We've surfaced some of the most affordable last-minute flights from Pittsburgh to St Louis, ideal for urgent plans or spontaneous trips.
Jul 03 - Jul 08, Economy
Pittsburgh → St Louis
15h 31m
6:19 AM - 2:50 PM • 1 stop
Pittsburgh → St Louis
6h 50m
11:15 AM - 4:25 PM • 1 stop
American Airlines
Jul 03 - Jul 08, Economy
Pittsburgh → St Louis
7h 7m
3:59 PM - 7:26 PM • 1 stop
Pittsburgh → St Louis
7h 17m
2:32 PM - 8:09 PM • 1 stop
American Airlines
Jul 03 - Jul 08, Economy
Pittsburgh → St Louis
7h 27m
7:45 PM - 11:32 PM • 1 stop
Pittsburgh → St Louis
6h 50m
11:15 AM - 4:25 PM • 1 stop
American Airlines
Jul 03 - Jul 08, Economy
Pittsburgh → St Louis
7h 28m
6:40 AM - 10:28 AM • 1 stop
Pittsburgh → St Louis
5h 59m
10:51 AM - 3:50 PM • 1 stop
Delta Airlines
Jul 03 - Jul 08, Economy
Pittsburgh → St Louis
13h 30m
8:45 AM - 3:55 PM • 1 stop
Pittsburgh → St Louis
6h 50m
6:55 AM - 12:05 PM • 1 stop
Southwest Airlines
Looking for the fastest way to St Louis? These direct flight options from PIT to STL offer both convenience and value—no layovers, just straight to your destination.
Jul 03 - Jul 08, Economy
Pittsburgh → St Louis
2h 25m
8:15 PM - 9:00 PM • nonstop
Pittsburgh → St Louis
2h 20m
7:10 PM - 9:50 PM • nonstop
Southwest Airlines
FAQs on Pittsburgh to St Louis Flights
What are the airports in Pittsburgh?
PIT
What’s the most popular airline flying from PIT to STL?
The most popular airline flying from Pittsburgh to St Louis are
Can I fly from PIT to STL non-stop?
Yes, you can fly PIT to STL non-stop on
Which airlines fly nonstop between Pittsburgh and St Louis?
The non-stop flights between Pittsburgh and St Louis are .
What’s the earliest departure time from PIT to STL Airport?
The earliest flight leaves PIT at 5:55 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Pittsburgh to St Louis flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from PIT to STL?
Read the fare rules of the Pittsburgh to St Louis air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Pittsburgh and St Louis?
operate flights between Pittsburgh and St Louis
How long does a flight from Pittsburgh to St Louis take?
It takes approximately 2 hour to fly non-stop from PIT to STL, which is 553.72 miles by air.
Which airlines provide the cheapest flights from Pittsburgh (PIT) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from PIT were found on AA : USD 318
Do I need a passport to fly between PIT and STL?
No
What’s the latest departure time from PIT to STL ?
The last flight leaves PIT at 8:15 pm
Essential Information for Booking Flights from Pittsburgh (PIT) - AI Insights
What's the cheapest airline from pit to stl?
You can find budget-friendly flights from Pittsburgh International Airport (PIT) to Lambert St Louis International Airport (STL) on Southwest Airlines. Low fares are available, making it a cost-effective option for your one-way trip. Book in advance to secure the best airfares and enjoy fine dining and luxury amenities on your flight.
What's the popular airline to fly from pit to stl?
You can fly from Pittsburgh International Airport (pit) to Lambert St Louis International Airport (stl) on Southwest Airlines (WN), which operates non-stop flights. This is a great option for a one-way trip, especially considering you're booking in advance with 21 days prior to your travel date. With Southwest Airlines, you'll enjoy a luxurious first-class experience featuring suites and fine dining.
What's the cheapest day of the week to fly from pit to stl?
The cheapest day to fly from Pittsburgh International Airport (pit) to Lambert St Louis International Airport (stl) is Sunday. Flying on Sundays can result in budget-friendly flights, making it a great option for travelers looking for affordable airfares.
What's the cheapest month to fly from pit to stl?
The cheapest month to fly from Pittsburgh International Airport (PIT) to Lambert St Louis International Airport (STL) is July. You can find budget-friendly flights during this time, which are ideal for travelers looking for affordable airfares.
Which airline/airlines fly from pit to stl?
The airlines that fly from Pittsburgh International Airport (PIT) to Lambert St Louis International Airport (STL) include Aeromexico, United Airlines, Allegiant, Southwest Airlines, American Airlines, WestJet Airlines, Mexicana, Delta Airlines, Alaska Airlines, and Southern Airways.
What are the available flights from Pittsburgh International Airport to Lambert St Louis International Airport?
You can find available flights from Pittsburgh International Airport to Lambert St Louis International Airport on fareleaders.com. Simply enter your travel dates and destinations, and our flight search engine will provide you with a list of options.
How can I book my flight and pay for it on fareleaders.com?
To book your flight and pay for it on fareleaders.com, simply click on the flight option that suits your needs, enter your personal details, and follow the payment process. We accept various payment methods to ensure a smooth transaction.
Can I get the cheapest airfare from Milwaukee to any destination?
Yes, you can find the cheapest airfare from Milwaukee to any destination on fareleaders.com. Our flight comparison tool allows you to compare prices across different airlines and find the best deals for your travel dates.
Is there a bus option available for travel after a vuelta trip?
Unfortunately, we do not offer bus services as an alternative to flights. However, our website provides information on how to book buses or other transportation options for your journey.
How do I search for weekend flights on web fareleaders.com website in October?
To search for weekend flights on our website in October, simply enter your travel dates and destinations, and select the 'weekend' option. Our flight search engine will provide you with a list of available options.
Do you have any deals or discounts on July airfares?
Yes, we often have deals and discounts on July airfares. Follow us on social media or sign up for our newsletter to stay updated on the latest offers and promotions.
Pittsburgh (PIT) to St Louis (STL): Airport Information
| Origin Airport | Pittsburgh International , Pittsburgh, US |
| Destination Airport | Lambert St Louis International , St Louis, US |
| Distance | 554 miles |
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