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

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The best prices from Lambert-St Louis to Pittsburgh are usually found in February or January, booked 29 days in advance, depart on a Thursday or Saturday and return on a Saturday

How to find the cheapest flight from
St. Louis (STL) to Pittsburgh (PIT)

All the information you need to plan the best STL to PIT flight in 2022: compare St. Louis to Pittsburgh flight prices with the expected peak season, weather and rainfall in Pittsburgh.
STL - PIT
Price
$165 - $399
PIT
Temperature
28.4 - 73.4 °F
PIT
Rainfall
2.3 - 4.3 inches

Popular in

April

High demand for flights, 32% potential price rise

Cheapest in

February

Best time to find cheap flights, 39% potential price drop

Average price

$371

Average for round-trip flights in June 2022

Round-trip from

$165

From Lambert-St Louis to Pittsburgh

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from St. Louis to Pittsburgh (STL - PIT)?

It’s typically best to fly out from St. Louis to Pittsburgh in the evening. Doing so could potentially save you 24% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest month to fly from St. Louis to Pittsburgh?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, February can be a great choice for travel to Pittsburgh. Flights to Pittsburgh from St. Louis in February are about $272 on average during February, but can be found for as low as $154.

What is the cheapest day to fly round-trip from St. Louis to Pittsburgh?

Sunday flights are found to be more expensive to fly from St. Louis to Pittsburgh. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Pittsburgh.

How far in advance should I book a flight from St. Louis to Pittsburgh?

Travelers have found it’s best to book a flight 29 days in advance to save up to 43% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 29 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Pittsburgh 1-2 weeks in advance for as low as $270, or $370 for flights within the next 24 hours.

Cheap flights from St. Louis to Pittsburgh in June, July 2022

The best prices found for STL to PIT flights for June, July
21 Jul - 26 Jul
$238pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
PIT
Pittsburgh
PIT
Pittsburgh
American Airlines
 
1 STOP
STL
Lambert-St Louis
28 Jul - 1 Aug
$258pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
PIT
Pittsburgh
PIT
Pittsburgh
American Airlines
 
1 STOP
STL
Lambert-St Louis
21 Jul - 26 Jul
$262pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
PIT
Pittsburgh
PIT
Pittsburgh
American Airlines
   
2 STOPS
STL
Lambert-St Louis

Lambert-St Louis to Pittsburgh 2022 flight deals

Cheap flights to Pittsburgh from St. Louis found for this year
23 Aug - 27 Aug
$196pp
STL
Lambert-St Louis
Delta
 
1 STOP
PIT
Pittsburgh
PIT
Pittsburgh
Delta
 
1 STOP
STL
Lambert-St Louis
23 Aug - 27 Aug
$209pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
PIT
Pittsburgh
PIT
Pittsburgh
American Airlines
 
1 STOP
STL
Lambert-St Louis
1 Oct - 4 Oct
$214pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
PIT
Pittsburgh
PIT
Pittsburgh
American Airlines
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St. Louis to Pittsburgh

Late deals on round-trip flights to Pittsburgh from St. Louis, departing today and this week
9 Jul - 12 Jul
$276pp
STL
Lambert-St Louis
Delta
 
1 STOP
PIT
Pittsburgh
PIT
Pittsburgh
Delta
 
1 STOP
STL
Lambert-St Louis
6 Jul - 7 Jul
$295pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PIT
Pittsburgh
PIT
Pittsburgh
Delta
 
1 STOP
STL
Lambert-St Louis
6 Jul - 7 Jul
$318pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
PIT
Pittsburgh
PIT
Pittsburgh
American Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Pittsburgh from St. Louis

The cheapest one-way flights from St. Louis to Pittsburgh
8:45 am - 2:54 pm
Delta
1 Stop
5h 09m
STL - PIT
Delta
$178
Delta
1:06 am - 10:54 am
American Airlines
2 Stops
8h 48m
STL - PIT
American Airlines
3:11 pm - 8:08 am
Multiple Airlines
2 Stops
15h 57m
STL - PIT
Multiple Airlines
$203
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Pittsburgh</span> flights.

Flight FAQs

From St. Louis to Pittsburgh

Which airlines flying from Lambert-St Louis to Pittsburgh have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Delta, and Spirit Airlines flying from Lambert-St Louis to Pittsburgh have implemented new flexible cancellation policies.

Can I find flights from St. Louis to Pittsburgh for under $200 on Cheapflights?

Yes, there are multiple flights from St. Louis to Pittsburgh for under $200. The cheapest flight booked recently is on Delta for just $196, but on average you can expect to pay $254.

Are there last-minute flights available from St. Louis to Pittsburgh for under $300?

There are currently 18+ open flights from St. Louis to Pittsburgh within the next 7 days for less than $300.

What are the cheapest airlines flying from St. Louis to Pittsburgh round-trip?

Currently priced at $196, Delta will fly you from St. Louis to Pittsburgh and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $209 and $332, respectively. These flights start at 28% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from St. Louis to Pittsburgh one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from St. Louis to Pittsburgh for a low price.

What are the most popular airlines that fly from St. Louis to Pittsburgh?

When booking a flight from St. Louis to Pittsburgh, you may want to consider flying on American Airlines, Delta or Spirit Airlines as they are the most popular for this route.

What are the cheapest flights from St. Louis to Pittsburgh?

The cheapest flight price from St. Louis to Pittsburgh is $85. On average you can expect to pay $308. The most popular route, (Lambert-St Louis - Pittsburgh), can usually be booked for $196.

COVID Restrictions

View COVID Travel Restrictions for Pittsburgh, PA

Do I need a COVID test to fly to Pittsburgh from St. Louis?

Information is based on travel restrictions for travel to Pittsburgh within the United States

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Pittsburgh.

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Pittsburgh.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Pittsburgh.

Do I need a test to fly back to St. Louis from Pittsburgh?

Returning to Lambert-St Louis from Pittsburgh

COVID-19 testing requirements
Visitors from Pittsburgh are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.

Quarantine requirements
Visitors from Pittsburgh are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Pittsburgh, PA

Alternative routes for St. Louis to Pittsburgh

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Pittsburgh

Things to know before you go - useful duration and weather info for your trip from St. Louis to Pittsburgh.
Average temperature for June in Pittsburgh
80.6 °F
Avg rainfall for June in Pittsburgh
4.1 ″

Airports servicing St. Louis

Airports servicing Pittsburgh

Top 4 airlines flying from Lambert-St Louis to Pittsburgh

The chart below displays the airlines Cheapflights users traveling from St. Louis to Pittsburgh choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$48 $119 No cancel fee 65%
Delta
$106 $237 No cancel fee N/A
United Airlines
$137 $291 No cancel fee 69%
American Airlines
$161 $319 No cancel fee 71%

Hourly flight availability from St. Louis to Pittsburgh

See what time of day planes typically take off from St. Louis towards Pittsburgh.
Evening 6 PM to midnight 100% of STL to PIT departures
Early morning Midnight to 6 AM 0% of STL to PIT departures
Morning 6 AM to noon 0% of STL to PIT departures
Afternoon Noon to 6 PM 0% of STL to PIT departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from St. Louis to Pittsburgh
See how many times per day planes take to the skies headed from St. Louis to Pittsburgh.
Sunday
1 daily flight
Monday
1 daily flight
Tuesday
1 daily flight
Wednesday
1 daily flight
Thursday
1 daily flight
Friday
1 daily flight
Saturday
0 flights
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