$115 Cheap Delta flights from St. Louis to Pittsburgh (STL to PIT)

Find The Best Day To Fly from St. Louis to Pittsburgh

Amazing Delta STL to PIT Flight Deals

The cheapest flights to Pittsburgh Intl. found within the past 7 days were $224 round trip and $115 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Aug 12 - Wed, Aug 13
STL
St. Louis
PIT
Pittsburgh
$224 Roundtrip, found 8 hours ago
$224
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Aug 12 from St. Louis to Pittsburgh, returning Wed, Aug 13, priced at $224 found 8 hours ago
Thu, Aug 7 - Sat, Aug 9
STL
St. Louis
PIT
Pittsburgh
$225 Roundtrip, found 2 days ago
$225
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Aug 7 from St. Louis to Pittsburgh, returning Sat, Aug 9, priced at $225 found 2 days ago
Tue, Sep 23 - Sat, Sep 27
STL
St. Louis
PIT
Pittsburgh
$227 Roundtrip, found 2 days ago
$227
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 23 from St. Louis to Pittsburgh, returning Sat, Sep 27, priced at $227 found 2 days ago
Thu, Aug 7 - Fri, Aug 8
STL
St. Louis
PIT
Pittsburgh
$234 Roundtrip, found 2 days ago
$234
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Aug 7 from St. Louis to Pittsburgh, returning Fri, Aug 8, priced at $234 found 2 days ago
Sun, Aug 10 - Fri, Aug 15
STL
St. Louis
PIT
Pittsburgh
$236 Roundtrip, found 11 hours ago
$236
Roundtrip
found 11 hours ago
Select Delta flight, departing Sun, Aug 10 from St. Louis to Pittsburgh, returning Fri, Aug 15, priced at $236 found 11 hours ago
Thu, Aug 7 - Sat, Aug 9
STL
St. Louis
PIT
Pittsburgh
$247 Roundtrip, found 2 days ago
$247
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Aug 7 from St. Louis to Pittsburgh, returning Sat, Aug 9, priced at $247 found 2 days ago
Thu, Aug 7 - Sat, Aug 9
STL
St. Louis
PIT
Pittsburgh
$251 Roundtrip, found 2 days ago
$251
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Aug 7 from St. Louis to Pittsburgh, returning Sat, Aug 9, priced at $251 found 2 days ago

PIT From STL Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Wyndham Grand Pittsburgh Downtown

Wyndham Grand Pittsburgh Downtown

3.5 out of 5
Save 100% on your flight
per person
Sep 29 - Oct 3
found 23 hours 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
Save 100% on your flight
per person
Sep 29 - Oct 3
found 23 hours ago
Roundtrip flight included
St. Louis (STL) to Pittsburgh (PIT)
Joinery Hotel Pittsburgh, Curio Collection by Hilton

Joinery Hotel Pittsburgh, Curio Collection by Hilton

4 out of 5
per person
Sep 29 - Oct 3
found 23 hours 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 Airport right now?
It's prudent to know about any quarantine requirements and travel advice reports in place in your destination city. Be sure to visit the Covid-19 Travel Advisor for up-to-date info on booking a flight to Pittsburgh Airport from St. Louis Lambert International Airport.
What terminal is Delta Air Lines at St. Louis Lambert International Airport?
Your ticket usually tells you exactly which terminal your Delta Air Lines flight will be taking off from at Lambert Field. It might also be able to give you the arrival details for Pittsburgh Intl. Airport (PIT). If not, you might like to ask your airline before you fly.
Are there Delta Air Lines non-stop flights from STL to PIT?
You won't be able to fly direct from Lambert-St. Louis Intl. Airport (STL) to Pittsburgh Intl. Airport (PIT) with Delta Air Lines. You should be prepared to make a stopover if you need to travel on this particular route and airline.
How long is a Delta Air Lines flight from STL to PIT?
From the moment your Delta Air Lines plane gets pushed back from the gate at STL to the instant it taxis into Pittsburgh Intl. Airport (PIT), your journey will take an average of 3 hours and 15 minutes. With such a short flight time, it's a great spur-of-the-moment getaway.
How many direct and indirect flights does Delta Air Lines fly from STL to PIT?
There are approximately 6 flights every day with Delta Air Lines from St. Louis Lambert International Airport to PIT.
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 Pittsburgh Intl. Airport (PIT), please visit our Customer Service Portal.
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.
Delta Airports
Hop on a(n) Delta flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ATLUSAHartsfield-Jackson Atlanta Intl.252
DTWUSADetroit Metropolitan Wayne County156
MSPUSAMinneapolis - St. Paul Intl.131
SLCUSASalt Lake City Intl.116
SEAUSASeattle - Tacoma Intl.57
LAXUSALos Angeles Intl.41
AMSNLDSchiphol31
YYCCANCalgary Intl.26
YYZCANPearson Intl.24
JFKUSAJohn F. Kennedy Intl.23

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Hyatt Regency Pittsburgh International Airport

Hyatt Regency Pittsburgh International Airport

3.5 out of 5
710 Aviation Avenue, Pittsburgh, PA
This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center and free WiFi in public ...
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La Quinta Inn by Wyndham Pittsburgh Airport

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3 out of 5
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DoubleTree by Hilton Pittsburgh Airport

DoubleTree by Hilton Pittsburgh Airport

4 out of 5
8402 University Blvd, Coraopolis, PA
This hotel features a restaurant, an indoor pool, and a bar/lounge. Traveling on business? Take advantage of the business center, free WiFi in public areas, ...
8.4/10 Very Good! (1,001 reviews)
"I booked a last minute stay for a quick weekend and I was very pleased with the cleanliness of the room. The breakfast was excellent and the on-site restaurant had a great selection of foods to choose from for dinner. I would most definitely book another stay at this property in the future."

Reviewed on Jul 13, 2025

DoubleTree by Hilton Pittsburgh Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*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.