$99 Cheap flights from Lambert-St. Louis Intl. to Pittsburgh Intl. (STL to PIT)

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Find The Best Dates To Fly from Lambert-St. Louis Intl. to Pittsburgh Intl.

Compare Flight Prices from St. Louis to Pittsburgh

Affordable Airfare Tickets from STL to PIT Airport

The cheapest flights to Pittsburgh Intl. found within the past 7 days were $197 round trip and $99 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Oct 10 - Tue, Oct 13
STL
St. Louis
PIT
Pittsburgh
$197 Roundtrip, found 4 days ago
$197
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sat, Oct 10 from St. Louis to Pittsburgh, returning Tue, Oct 13, priced at $197 found 4 days ago
Tue, Sep 1 - Thu, Sep 3
STL
St. Louis
PIT
Pittsburgh
$200 Roundtrip, found 2 days ago
$200
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Sep 1 from St. Louis to Pittsburgh, returning Thu, Sep 3, priced at $200 found 2 days ago
Thu, Oct 8 - Sat, Oct 10
STL
St. Louis
PIT
Pittsburgh
$207 Roundtrip, found 4 days ago
$207
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Thu, Oct 8 from St. Louis to Pittsburgh, returning Sat, Oct 10, priced at $207 found 4 days ago
Tue, Sep 1 - Thu, Sep 3
STL
St. Louis
PIT
Pittsburgh
$210 Roundtrip, found 2 days ago
$210
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Sep 1 from St. Louis to Pittsburgh, returning Thu, Sep 3, priced at $210 found 2 days ago
Sat, Oct 10 - Tue, Oct 13
STL
St. Louis
PIT
Pittsburgh
$212 Roundtrip, found 4 days ago
$212
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sat, Oct 10 from St. Louis to Pittsburgh, returning Tue, Oct 13, priced at $212 found 4 days ago
Sun, Sep 6 - Wed, Sep 9
STL
St. Louis
PIT
Pittsburgh
$215 Roundtrip, found 2 days ago
$215
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sun, Sep 6 from St. Louis to Pittsburgh, returning Wed, Sep 9, priced at $215 found 2 days ago
Tue, Sep 1 - Thu, Sep 3
STL
St. Louis
PIT
Pittsburgh
$215 Roundtrip, found 2 days ago
$215
Roundtrip
found 2 days ago
Select United flight, departing Tue, Sep 1 from St. Louis to Pittsburgh, returning Thu, Sep 3, priced at $215 found 2 days ago
Thu, Oct 8 - Sat, Oct 10
STL
St. Louis
PIT
Pittsburgh
$217 Roundtrip, found 4 days ago
$217
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Oct 8 from St. Louis to Pittsburgh, returning Sat, Oct 10, priced at $217 found 4 days ago
Tue, Sep 1 - Thu, Sep 3
STL
St. Louis
PIT
Pittsburgh
$220 Roundtrip, found 2 days ago
$220
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Sep 1 from St. Louis to Pittsburgh, returning Thu, Sep 3, priced at $220 found 2 days ago
Tue, Sep 1 - Thu, Sep 3
STL
St. Louis
PIT
Pittsburgh
$220 Roundtrip, found 2 days ago
$220
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Sep 1 from St. Louis to Pittsburgh, returning Thu, Sep 3, priced at $220 found 2 days ago

Pittsburgh Intl. flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Crowne Plaza Suites Pittsburgh South by IHG

Crowne Plaza Suites Pittsburgh South by IHG

3.5 out of 5
Price was $625, price is now $511 per person
$511
per person
Sep 25 - Sep 27
found 1 day ago
Roundtrip flight included
St. Louis (STL) to Pittsburgh (PIT)
The Westin Pittsburgh, a Marriott Hotel

The Westin Pittsburgh, a Marriott Hotel

4 out of 5
Price was $1,102, price is now $846 per person
$846
per person
Sep 25 - Sep 27
found 1 day ago
Roundtrip flight included
St. Louis (STL) to Pittsburgh (PIT)
Hyatt House Pittsburgh/Bloomfield/Shadyside

Hyatt House Pittsburgh/Bloomfield/Shadyside

3 out of 5
Price was $872, price is now $729 per person
$729
per person
Sep 25 - Sep 27
found 1 day ago
Roundtrip flight included
St. Louis (STL) to Pittsburgh (PIT)
DoubleTree by Hilton Pittsburgh - Green Tree

DoubleTree by Hilton Pittsburgh - Green Tree

4 out of 5
Price was $698, price is now $586 per person
$586
per person
Sep 25 - Sep 27
found 1 day ago
Roundtrip flight included
St. Louis (STL) to Pittsburgh (PIT)
Etage Executive Living

Etage Executive Living

3.5 out of 5
Price was $1,035, price is now $870 per person
$870
per person
Sep 25 - Sep 27
found 1 day ago
Roundtrip flight included
St. Louis (STL) to Pittsburgh (PIT)
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Frequently asked questions

Can I catch a flight from Lambert Field to Pittsburgh Intl. Airport (PIT) right now?
Make sure you visit our Covid-19 Travel Advisor to see if there are any current travel advice reports or quarantine requirements in effect in PIT when flying in from STL.
Are there direct flights from STL to Pittsburgh Intl. Airport (PIT)?
Wander wisely and opt for a direct flight from STL to PIT with Southwest Airlines. This airline is just the ticket if you'd rather land in Pittsburgh in the shortest possible time.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to PIT, please visit our Customer Service Portal.
How long is the flight from Lambert-St. Louis Intl. Airport (STL) to Pittsburgh Airport?
If you're flying from St. Louis to Pittsburgh, you can expect the trip to take approximately 4 hours and 38 minutes. If this sounds longer than you'd hoped, why not make the most of it? Read up on where you're headed, get some last-minute organizing done and get as much shut-eye as possible before the adventure begins.
What is the flight distance from STL to Pittsburgh Airport?
After taking off from Lambert-St. Louis Intl. Airport (STL), you'll cover 550 mi before pulling into PIT. That should give you enough time to get through a couple of chapters of your book or maybe even squeeze in a nap.
What airlines fly from Lambert-St. Louis Intl. Airport (STL) to Pittsburgh Intl. Airport (PIT)?
Wanting to fly direct from St. Louis to Pittsburgh? Today is your lucky day. Southwest Airlines (WN) offers 30 flights each month and is a popular option with many wise wanderers.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you're flying with American Airlines, Delta or Southwest Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from St. Louis to Pittsburgh

 

Traveling From
Lambert-St. Louis Intl.
Traveling To
Pittsburgh Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$197

Route Info

Flight path for flights from Lambert-St. Louis International Airport to Pittsburgh International Airport


Origin:
STL - Lambert-St. Louis International Airport
Destination:
PIT - Pittsburgh International Airport
Distance:
555.00 miles


Airlines & Aircraft Used on STL to PIT Flight Routes


Airline Carrier
Aircraft
American Airlines
De Havilland Canada DHC-8-400 Dash 8Q
Jet Airways (India)
Airbus A320-100/200

Discover our best flights from St. Louis STL to Pittsburgh PIT. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from St. Louis STL to Pittsburgh PIT at the right price  

Airfares to Pittsburgh PIT from St. Louis STL currently cost between $197 and $220. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from St. Louis STL to Pittsburgh PIT 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from St. Louis STL to Pittsburgh PIT on Travelocity starting at $99. Prices and availability subject to change. Additional terms may apply. 

 

Get to Pittsburgh PIT from St. Louis STL quicker with direct flights. 

Get to Pittsburgh faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to PIT from STL to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from St. Louis STL to Pittsburgh PIT

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to PIT from STL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from St. Louis STL to Pittsburgh PIT today 

If you’re flexible about when you travel, October is usually the cheapest month to fly from St. Louis STL to Pittsburgh PIT. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Pittsburgh PIT from St. Louis STL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to PIT from STL have this option.  

 

Travel with confidence when you book flights to Pittsburgh PIT from St. Louis STL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

Explore More Ways to Travel with Travelocity

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.