$106+ Cheap flights from St. Louis to Pittsburgh (STL - PIT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PIT
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Pittsburgh with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Pittsburgh
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Best
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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 October 24, 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 October 24, 2026.
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/145:16 pm -
1 stop5h 24m
Thu 11/198:02 am -
1 stop5h 42m
Deal found 10/22![American Airlines logo]()
$219
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 11/189:12 am -
1 stop6h 03m
Sun 11/224:03 pm -
1 stop5h 01m
Deal found 10/21![American Airlines logo]()
$226
This Delta deal was found by Cheapflights users on 10/21. 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 11/1410:20 am -
1 stop3h 49m
Sat 12/195:00 pm -
1 stop6h 04m
Deal found 10/21![Delta logo]()
$232
This Southwest deal was found by Cheapflights users on 10/21. 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 11/1410:35 am -
Nonstop1h 35m
Sat 12/198:35 pm -
Nonstop1h 50m
Deal found 10/21![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 10/21. 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 11/1810:15 am -
Nonstop1h 30m
Sun 11/228:15 pm -
Nonstop1h 45m
Deal found 10/21![Southwest logo]()
$243
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Sun 11/157:30 am -
1 stop4h 36m
Tue 11/178:49 am -
1 stop4h 21m
Deal found 10/20![United Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 10/23. 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 11/246:25 pm -
1 stop5h 30m
Mon 11/306:40 pm -
1 stop6h 05m
Deal found 10/23![Southwest logo]()
$280
This Southwest deal was found by Cheapflights users on 10/22. 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 11/1410:45 am -
2 stops6h 15m
Thu 11/198:25 am -
1 stop5h 15m
Deal found 10/22![Southwest logo]()
$286
This Southwest deal was found by Cheapflights users on 10/21. 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 11/1810:15 am -
Nonstop1h 30m
Wed 11/256:45 am -
Nonstop1h 55m
Deal found 10/21![Southwest logo]()
$288
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 October 24, 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 October 24, 2026.
This Delta deal was found by Cheapflights users on 10/23. 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.
Mon 12/142:33 pm -
1 stop6h 57m
Fri 12/186:10 am -
1 stop4h 28m
Deal found 10/23![Delta logo]()
$232
This Southwest deal was found by Cheapflights users on 10/21. 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 11/1410:35 am -
Nonstop1h 35m
Sat 12/195:05 pm -
1 stop6h 25m
Deal found 10/21![Southwest logo]()
$238
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Sun 11/157:30 am -
1 stop4h 36m
Tue 11/178:49 am -
1 stop4h 21m
Deal found 10/20![United Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 10/22. 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 11/1410:35 am -
Nonstop1h 35m
Thu 11/196:50 am -
Nonstop1h 55m
Deal found 10/22![Southwest logo]()
$243
This Southwest deal was found by Cheapflights users on 10/20. 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.
Sun 11/155:10 pm -
1 stop5h 45m
Tue 11/176:50 am -
Nonstop1h 55m
Deal found 10/20![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 10/22. 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 11/186:35 am -
1 stop4h 10m
Sun 11/228:15 pm -
Nonstop1h 45m
Deal found 10/22![Southwest logo]()
$253
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 11/1010:53 am -
1 stop5h 02m
Wed 11/116:30 am -
1 stop5h 02m
Deal found 10/22![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 10/22. 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 11/218:10 pm -
Nonstop1h 40m
Sat 11/286:00 am -
Nonstop2h 05m
Deal found 10/22![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 10/23. 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 11/710:35 am -
Nonstop1h 35m
Wed 11/116:30 pm -
Nonstop1h 55m
Deal found 10/23![Southwest logo]()
$385
Last-minute flights from St. Louis to PittsburghDiscover last-minute flight deals from St. Louis to Pittsburgh. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pittsburgh. Data last updated October 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/145:16 pm -
1 stop5h 24m
Thu 11/198:02 am -
1 stop5h 42m
Deal found 10/22![American Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 10/21. 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 11/1410:20 am -
1 stop3h 49m
Sat 12/195:00 pm -
1 stop6h 04m
Deal found 10/21![Delta logo]()
$232
This Southwest deal was found by Cheapflights users on 10/21. 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 11/1410:35 am -
Nonstop1h 35m
Sat 12/198:35 pm -
Nonstop1h 50m
Deal found 10/21![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 10/22. 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 11/1410:45 am -
2 stops6h 15m
Thu 11/198:25 am -
1 stop5h 15m
Deal found 10/22![Southwest logo]()
$286
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Sun 11/157:30 am -
1 stop4h 36m
Tue 11/178:49 am -
1 stop4h 21m
Deal found 10/20![United Airlines logo]()
$261
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 11/189:12 am -
1 stop6h 03m
Sun 11/224:03 pm -
1 stop5h 01m
Deal found 10/21![American Airlines logo]()
$226
This Southwest deal was found by Cheapflights users on 10/21. 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 11/1810:15 am -
Nonstop1h 30m
Sun 11/228:15 pm -
Nonstop1h 45m
Deal found 10/21![Southwest logo]()
$243
This Southwest deal was found by Cheapflights users on 10/21. 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 11/1810:15 am -
Nonstop1h 30m
Wed 11/256:45 am -
Nonstop1h 55m
Deal found 10/21![Southwest logo]()
$288
This Southwest deal was found by Cheapflights users on 10/23. 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 11/246:25 pm -
1 stop5h 30m
Mon 11/306:40 pm -
1 stop6h 05m
Deal found 10/23![Southwest logo]()
$280
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 October 24, 2026.
Search for one-way flight options from St. Louis to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Southwest deal was found by Cheapflights users on 10/22. 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 12/227:55 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$106
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 11/217:30 am -
1 stop4h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$110
This Southwest deal was found by Cheapflights users on 10/22. 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 11/219:50 am -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$112
This Delta deal was found by Cheapflights users on 10/21. 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.
Sun 11/156:40 am -
1 stop3h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$117
This Southwest deal was found by Cheapflights users on 10/21. 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.
Sun 11/157:55 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$122
This Southwest deal was found by Cheapflights users on 10/19. 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.
Thu 11/124:40 pm -
2 stops6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 10/21. 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.
Fri 11/207:55 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$145
This Delta deal was found by Cheapflights users on 10/21. 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 11/207:18 pm -
1 stop4h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$146
This CheapOair deal was found by Cheapflights users on 10/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:05 pm -
1 stop22h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$151
This Southwest deal was found by Cheapflights users on 10/20. 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 11/1010:55 am -
2 stops6h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Southwest logo]()
$155
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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $216 (Southwest) |
One-way from | $106 (Southwest) |
Popular in | October |
Cheapest in | November |
Average price | $514 |
Good round-trip deal | $266 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 7,457,451 searches. Data last updated October 24, 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 Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Tue 12/22
7:55 pm-10:35 pm
Nonstop1h 40m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$106
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Tue 11/10
1:20 pm-7:43 pm
1 stop5h 23m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$110
Quickest round-trip
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Tue 11/10
10:15 am-12:45 pm
Nonstop1h 30m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$122
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Sat 11/21
9:50 am-12:25 pm
Nonstop1h 35m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$122
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Sun 11/15
5:10 pm-11:55 pm
1 stop5h 45m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$132
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Fri 11/20
7:55 pm-10:35 pm
Nonstop1h 40m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$145
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Fri 11/20
7:18 pm-12:46 am
1 stop4h 28m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$146
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Sat 11/14
10:45 am-6:00 pm
2 stops6h 15m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$155
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Wed 11/18
7:30 am-1:06 pm
1 stop4h 36m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$160
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Wed 12/23
4:32 pm-12:22 am
1 stop6h 50m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$160
Showing 1-10 of 19 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 October.
| 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
What is the cheapest month to book a flight from St. Louis to Pittsburgh?
Currently, July is the cheapest month in which you can book a flight from St. Louis to Pittsburgh (average of $336). Flying from St. Louis to Pittsburgh in January is currently the most expensive (average of $437). 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 October 24, 2026.
It’s typically best to fly out from St. Louis to Pittsburgh in the afternoon. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.
What is the cheapest day to fly from St. Louis to Pittsburgh?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Pittsburgh. Price data was last updated on October 17, 2026.
Travelers seeking maximum savings on their St. Louis to Pittsburgh flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 October 24, 2026.
Read through reviews of airlines operating flights from St. Louis to Pittsburgh, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.4
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Entertainment
7.4
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Entertainment
7.4
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Entertainment
7.4
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Entertainment
7.4
Overall
7.9
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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 locationsMonroeville
Washington
Chester
Mars
Wexford
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St. Louis and Pittsburgh flights
Browse other St. Louis and Pittsburgh flight options. Last updated on October 24, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.
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Explore flights to Pittsburgh departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.
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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 7,457,451 searches. Data last updated October 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$314 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$411 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$233 | Average$357 | FlexibilityNo cancel fee | On-time63% |