CA $210 Cheap Flights from St. Louis (STL) to Pittsburgh (PIT)

Featured airlines

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap flights from St. Louis (STL) to Pittsburgh (PIT)

Prices were available within the past 7 days and start at CA $210 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from St. Louis to Pittsburgh (STL - PIT) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Pittsburgh Intl.
Distance
881 km
Average flight time
2 hours 35 mins

St. Louis to Pittsburgh Flights

The easy way to book your flights from St. Louis to Pittsburgh 

With Expedia, it’s simple to find and book flights to Pittsburgh from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Southwest Airlines nonstop flights to Pittsburgh Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Pittsburgh today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Pittsburgh Intl., PIT 

Sort your search results by price to find great deals on your flight from St. Louis to Pittsburgh—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Pittsburgh from St. Louis currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Pittsburgh  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Pittsburgh from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Pittsburgh with Expedia today.

Frequently asked questions

How much is a flight from St. Louis Lambert International Airport to PIT?
Round-trip journeys between St. Louis Lambert International Airport and PIT start from . This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from STL to PIT?
We understand that life can throw the odd curveball, so we’ve made it as simple as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from St. Louis Lambert International Airport to Pittsburgh Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Lambert-St. Louis Intl. Airport (STL) to Pittsburgh Intl. Airport (PIT) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from STL to Pittsburgh Intl. Airport (PIT)?
You won’t need a lengthy novel for this flight — it’s only 890 kilometers from St. Louis to Pittsburgh. Find your seat, order a drink and you’ll be touching down in next to no time.
Which airlines fly direct from St. Louis Lambert International Airport to Pittsburgh Airport?
A popular option with many frequent travelers, Southwest Airlines (WN) offers 30 flights every month from St. Louis Lambert International Airport to PIT. Pick the one that fits with your travel schedule and book your seat today.
Are Lambert-St. Louis Intl. Airport (STL) to Pittsburgh Intl. Airport (PIT) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes find a bargain, with some super cheap fares from Lambert-St. Louis Intl. Airport (STL) to Pittsburgh Airport appearing a few weeks prior to the departure date. If you’d rather book ahead, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines advertise prices that far in advance.
*Available to Expedia members.