$119+ Cheap flights from St. Louis to Pittsburgh (STL - PIT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PIT
Apr 9 — Apr 161
One-way
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from St. Louis to PittsburghExplore the most affordable flight options available from St. Louis to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from St. Louis to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:15 am
STL
- PIT
Nonstop1h 40m
Southwest
Tue 4/286:50 am
PIT
- STL
Nonstop1h 50m
Southwest
Deal found 3/8![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:45 am
STL
- PIT
1 stop6h 40m
Southwest
Mon 4/208:05 pm
PIT
- STL
Nonstop1h 50m
Southwest
Deal found 3/8![Southwest logo]()
$241
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:00 am
STL
- PIT
1 stop5h 37m
Delta
Wed 4/156:00 am
PIT
- STL
1 stop6h 56m
Delta
Deal found 3/10![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:35 pm
STL
- PIT
1 stop4h 25m
Southwest
Thu 5/218:40 am
PIT
- STL
1 stop5h 15m
Southwest
Deal found 3/8![Southwest logo]()
$249
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:45 am
STL
- PIT
1 stop4h 20m
United Airlines
Sun 4/56:00 pm
PIT
- STL
1 stop6h 11m
United Airlines
Deal found 3/5![United Airlines logo]()
$251
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:14 am
STL
- PIT
1 stop6h 27m
American Airlines
Sun 4/57:31 am
PIT
- STL
1 stop5h 04m
American Airlines
Deal found 3/7![American Airlines logo]()
$253
This American Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:51 am
STL
- PIT
1 stop4h 13m
American Airlines
Wed 4/159:19 am
PIT
- STL
1 stop7h 41m
American Airlines
Deal found 3/5![American Airlines logo]()
$265
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:45 pm
STL
- PIT
Nonstop1h 35m
Southwest
Sun 4/58:40 pm
PIT
- STL
1 stop4h 35m
Southwest
Deal found 3/9![Southwest logo]()
$266
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:40 pm
STL
- PIT
Nonstop1h 35m
Southwest
Wed 4/157:10 pm
PIT
- STL
Nonstop1h 50m
Southwest
Deal found 3/5![Southwest logo]()
$270
Best flights from St. Louis to PittsburghDiscover carefully curated flight deals from St. Louis to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from St. Louis to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:45 am
STL
- PIT
1 stop4h 20m
United Airlines
Sun 4/56:00 pm
PIT
- STL
1 stop6h 11m
United Airlines
Deal found 3/5![United Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:40 pm
STL
- PIT
Nonstop1h 35m
Southwest
Mon 4/276:55 am
PIT
- STL
Nonstop1h 50m
Southwest
Deal found 3/6![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:50 am
STL
- PIT
1 stop5h 29m
Delta
Tue 4/1411:55 am
PIT
- STL
1 stop6h 49m
Delta
Deal found 3/7![Delta logo]()
$281
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:15 am
STL
- PIT
Nonstop1h 35m
Southwest
Sun 4/56:40 am
PIT
- STL
1 stop8h 40m
Southwest
Deal found 3/5![Southwest logo]()
$278
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:15 am
STL
- PIT
1 stop4h 30m
Delta
Wed 6/312:01 pm
PIT
- STL
1 stop5h 09m
Delta
Deal found 3/8![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:13 pm
STL
- PIT
1 stop6h 49m
United Airlines
Thu 6/46:11 pm
PIT
- STL
1 stop4h 05m
United Airlines
Deal found 3/7![United Airlines logo]()
$284
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:00 pm
STL
- PIT
1 stop5h 25m
Southwest
Sun 3/296:45 pm
PIT
- STL
1 stop6h 10m
Southwest
Deal found 3/8![Southwest logo]()
$280
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:00 am
STL
- PIT
1 stop5h 37m
Delta
Mon 3/307:35 pm
PIT
- STL
1 stop5h 23m
Delta
Deal found 3/5![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:15 am
STL
- PIT
1 stop5h 00m
Delta
Sat 5/306:37 pm
PIT
- STL
1 stop6h 22m
Delta
Deal found 3/9![Delta logo]()
$284
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:55 pm
STL
- PIT
Nonstop1h 35m
Southwest
Sat 5/3010:05 am
PIT
- STL
1 stop10h 30m
Southwest
Deal found 3/9![Southwest logo]()
$285
Last-minute flights from St. Louis to PittsburghDiscover last-minute flight deals from St. Louis to Pittsburgh. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pittsburgh. Data last updated March 10, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:45 pm
STL
- PIT
Nonstop1h 35m
Southwest
Sun 4/58:40 pm
PIT
- STL
1 stop4h 35m
Southwest
Deal found 3/9![Southwest logo]()
$266
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:50 am
STL
- PIT
1 stop5h 29m
Delta
Sun 4/57:35 pm
PIT
- STL
1 stop5h 23m
Delta
Deal found 3/9![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:45 am
STL
- PIT
1 stop4h 20m
United Airlines
Sun 4/56:00 pm
PIT
- STL
1 stop6h 11m
United Airlines
Deal found 3/5![United Airlines logo]()
$251
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:14 am
STL
- PIT
1 stop6h 27m
American Airlines
Sun 4/57:31 am
PIT
- STL
1 stop5h 04m
American Airlines
Deal found 3/7![American Airlines logo]()
$253
This American Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:51 am
STL
- PIT
1 stop4h 13m
American Airlines
Wed 4/159:19 am
PIT
- STL
1 stop7h 41m
American Airlines
Deal found 3/5![American Airlines logo]()
$265
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:40 pm
STL
- PIT
Nonstop1h 35m
Southwest
Wed 4/157:10 pm
PIT
- STL
Nonstop1h 50m
Southwest
Deal found 3/5![Southwest logo]()
$270
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:45 am
STL
- PIT
1 stop6h 40m
Southwest
Mon 4/208:05 pm
PIT
- STL
Nonstop1h 50m
Southwest
Deal found 3/8![Southwest logo]()
$241
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:15 am
STL
- PIT
Nonstop1h 40m
Southwest
Tue 4/286:50 am
PIT
- STL
Nonstop1h 50m
Southwest
Deal found 3/8![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:50 pm
STL
- PIT
1 stop4h 45m
Delta
Sun 4/266:40 am
PIT
- STL
1 stop4h 02m
Delta
Deal found 3/5![Delta logo]()
$247
One-way flights from St. Louis to PittsburghSearch for one-way flight options from St. Louis to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from St. Louis to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:45 pm
STL
- PIT
Nonstop1h 35m
Southwest
Deal found 3/9![Southwest logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:21 am
STL
- PIT
2 stops21h 17m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$121
This Delta deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:32 am
STL
- PIT
1 stop5h 55m
Delta
Deal found 3/7![Delta logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:13 pm
STL
- PIT
2 stops44h 07m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$131
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:00 pm
STL
- PIT
1 stop5h 25m
Southwest
Deal found 3/8![Southwest logo]()
$133
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:45 pm
STL
- PIT
Nonstop1h 35m
Southwest
Deal found 3/6![Southwest logo]()
$136
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/81:13 pm
STL
- PIT
1 stop4h 22m
United Airlines
Deal found 3/8![United Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:23 pm
STL
- PIT
2 stops26h 36m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$142
This American Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:12 pm
STL
- PIT
1 stop5h 46m
American Airlines
Deal found 3/10![American Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:01 pm
STL
- PIT
1 stop4h 44m
Delta
Deal found 3/9![Delta logo]()
$144
Find flight deals from St. Louis to Pittsburgh
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Pittsburgh (PIT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Southwest) |
One-way from | $119 (Southwest) |
Popular in | July |
Cheapest in | December |
Average price | $443 |
Good round-trip deal | $289 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Pittsburgh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from St. Louis to Pittsburgh that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisPittsburgh
STL - PIT
STLPIT
Lambert-St Louis
Wed 4/1
7:45 am-1:05 pm
1 stop4h 20m
Pittsburgh
Sun 4/5
6:00 pm-11:11 pm
1 stop6h 11m
$251
Quickest round-trip
St. LouisPittsburgh
STL - PIT
STLPIT
Lambert-St Louis
Mon 4/20
7:40 pm-10:15 pm
Nonstop1h 35m
Pittsburgh
Mon 4/27
6:55 am-7:45 am
Nonstop1h 50m
$271
St. LouisPittsburgh
STL - PIT
STLPIT
Lambert-St Louis
Wed 4/1
10:15 am-12:50 pm
Nonstop1h 35m
Pittsburgh
Sun 4/5
6:40 am-2:20 pm
1 stop8h 40m
$278
St. LouisPittsburgh
STL - PIT
STLPIT
Lambert-St Louis
Sat 3/21
6:00 pm-12:25 am
1 stop5h 25m
Pittsburgh
Sun 3/29
6:45 pm-11:55 pm
1 stop6h 10m
$280
St. LouisPittsburgh
STL - PIT
STLPIT
Lambert-St Louis
Tue 3/31
10:50 am-5:19 pm
1 stop5h 29m
Pittsburgh
Tue 4/14
11:55 am-5:44 pm
1 stop6h 49m
$281
St. LouisPittsburgh
STL - PIT
STLPIT
Lambert-St Louis
Tue 6/2
7:15 am-12:45 pm
1 stop4h 30m
Pittsburgh
Wed 6/3
12:01 pm-4:10 pm
1 stop5h 09m
$281
St. LouisPittsburgh
STL - PIT
STLPIT
Lambert-St Louis
Thu 3/26
6:00 am-12:37 pm
1 stop5h 37m
Pittsburgh
Mon 3/30
7:35 pm-11:58 pm
1 stop5h 23m
$281
St. LouisPittsburgh
STL - PIT
STLPIT
Lambert-St Louis
Fri 5/29
1:13 pm-9:02 pm
1 stop6h 49m
Pittsburgh
Thu 6/4
6:11 pm-9:16 pm
1 stop4h 05m
$284
St. LouisPittsburgh
STL - PIT
STLPIT
Lambert-St Louis
Sat 5/23
10:15 am-4:15 pm
1 stop5h 00m
Pittsburgh
Sat 5/30
6:37 pm-11:59 pm
1 stop6h 22m
$284
St. LouisPittsburgh
STL - PIT
STLPIT
Lambert-St Louis
Sat 5/23
6:55 pm-9:30 pm
Nonstop1h 35m
Pittsburgh
Sat 5/30
10:05 am-7:35 pm
1 stop10h 30m
$285
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Pittsburgh
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Pittsburgh in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Pittsburgh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Pittsburgh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Pittsburgh flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Pittsburgh flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Pittsburgh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Pittsburgh
Have a flexible travel schedule? Discover the best time to fly to Pittsburgh from St. Louis with our price prediction graph.
STL-PIT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Pittsburgh
Prices
Airlines
What is the cheapest month to book a flight from St. Louis to Pittsburgh?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Pittsburgh (average of $185). Flying from St. Louis to Pittsburgh in February is currently the most expensive (average of $322). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STL to PIT?
Find hourly flight availability from St. Louis to Pittsburgh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 10, 2026.
It’s typically best to fly out from St. Louis to Pittsburgh in the afternoon. Doing so could potentially save you 44% on the flight price compared to flying in the evening, which is usually more expensive.
Reviews of airlines servicing Pittsburgh
Get insights into the airlines that provide service to Pittsburgh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pittsburgh. Reviews last updated March 10, 2026.
Read through reviews of airlines operating flights from St. Louis to Pittsburgh, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Pittsburgh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Pittsburgh?
Book flights to Pittsburgh if you plan to visit one of these locationsMars
Chester
Steubenville
Washington
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Wexford
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Top 3 airlines flying from St. Louis to Pittsburgh
Discover the top 3 airlines that operate flights from St. Louis to Pittsburgh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$381 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$235 | Average$366 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$252 | Average$421 | FlexibilityNo cancel fee | On-timeN/A |