$97+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PIT
Oct 13 — Oct 201
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
Cheapest
Best
Last-minute
One-way
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 September 13, 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 September 13, 2026.
This Southwest deal was found by Cheapflights users on 9/8. 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 10/610:20 am -
Nonstop1h 35m
Tue 10/137:15 pm -
Nonstop1h 45m
Deal found 9/8![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 10/37:00 am -
1 stop5h 36m
Tue 10/61:34 pm -
1 stop5h 41m
Deal found 9/10![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 9/8. 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.
Fri 10/2310:20 am -
Nonstop1h 35m
Mon 10/268:20 pm -
Nonstop1h 40m
Deal found 9/8![Southwest logo]()
$251
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:19 pm -
1 stop19h 28m
Wed 9/302:42 pm -
1 stop28h 12m
Deal found 9/8![Frontier logo]()
$260
This Southwest deal was found by Cheapflights users on 9/11. 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 10/81:00 pm -
1 stop5h 05m
Wed 10/147:15 pm -
Nonstop1h 45m
Deal found 9/11![Southwest logo]()
$266
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 10/47:05 am -
1 stop4h 26m
Wed 10/77:45 am -
1 stop6h 35m
Deal found 9/10![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:55 am -
1 stop4h 00m
Wed 10/147:15 pm -
Nonstop1h 45m
Deal found 9/10![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 September 13, 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 September 13, 2026.
This Southwest deal was found by Cheapflights users on 9/11. 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 10/81:00 pm -
1 stop5h 05m
Wed 10/147:15 pm -
Nonstop1h 45m
Deal found 9/11![Southwest logo]()
$266
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/207:30 am -
1 stop4h 36m
Mon 11/234:06 pm -
1 stop4h 17m
Deal found 9/11![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:55 am -
1 stop4h 00m
Wed 10/147:15 pm -
Nonstop1h 45m
Deal found 9/10![Southwest logo]()
$270
This Southwest deal was found by Cheapflights users on 9/11. 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 12/110:15 am -
Nonstop1h 30m
Wed 12/96:30 pm -
Nonstop1h 55m
Deal found 9/11![Southwest logo]()
$285
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 10/2012:20 pm -
1 stop5h 52m
Wed 10/216:00 pm -
1 stop4h 21m
Deal found 9/8![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 9/8. 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.
Fri 10/97:55 pm -
Nonstop1h 40m
Sun 10/116:00 am -
1 stop4h 20m
Deal found 9/8![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 9/12. 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 11/196:20 am -
1 stop3h 20m
Sun 11/2212:30 pm -
2 stops7h 40m
Deal found 9/12![Southwest logo]()
$347
Last-minute flights from St. Louis to PittsburghDiscover last-minute flight deals from St. Louis to Pittsburgh. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pittsburgh. Data last updated September 13, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:19 pm -
1 stop19h 28m
Wed 9/302:42 pm -
1 stop28h 12m
Deal found 9/8![Frontier logo]()
$260
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 10/37:00 am -
1 stop5h 36m
Tue 10/61:34 pm -
1 stop5h 41m
Deal found 9/10![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 10/47:05 am -
1 stop4h 26m
Wed 10/77:45 am -
1 stop6h 35m
Deal found 9/10![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 9/8. 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 10/610:20 am -
Nonstop1h 35m
Tue 10/137:15 pm -
Nonstop1h 45m
Deal found 9/8![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 9/9. 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 10/61:45 pm -
1 stop7h 35m
Wed 10/146:50 am -
Nonstop1h 55m
Deal found 9/9![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 9/11. 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 10/81:00 pm -
1 stop5h 05m
Wed 10/147:15 pm -
Nonstop1h 45m
Deal found 9/11![Southwest logo]()
$266
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:55 am -
1 stop4h 00m
Wed 10/147:15 pm -
Nonstop1h 45m
Deal found 9/10![Southwest logo]()
$270
This Southwest deal was found by Cheapflights users on 9/8. 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.
Fri 10/2310:20 am -
Nonstop1h 35m
Mon 10/268:20 pm -
Nonstop1h 40m
Deal found 9/8![Southwest logo]()
$251
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 September 13, 2026.
Search for one-way flight options from St. Louis to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:44 pm -
2 stops25h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$97
This CheapOair deal was found by Cheapflights users on 9/12. 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.
Mon 10/124:30 pm -
1 stop25h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$105
This Southwest deal was found by Cheapflights users on 9/9. 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 11/116:15 pm -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:44 pm -
2 stops25h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$120
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/104:50 pm -
1 stop5h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$124
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:19 pm -
1 stop19h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/146:35 pm -
2 stops25h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$127
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:30 pm -
1 stop25h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$128
This Southwest deal was found by Cheapflights users on 9/8. 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.
Wed 10/78:30 am -
2 stops7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:29 pm -
2 stops21h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/116:44 pm -
2 stops21h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:29 pm -
2 stops27h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$133
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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Southwest) |
One-way from | $97 (Kiwi.com) |
Popular in | January |
Cheapest in | December |
Average price | $351 |
Good round-trip deal | $273 or less |
Good one-way deal | $358 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 September 13, 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
Sat 10/10
10:30 am-1:05 pm
Nonstop1h 35m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$114
Quickest round-trip
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Wed 12/9
10:15 am-12:45 pm
Nonstop1h 30m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$114
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Mon 12/7
6:15 pm-8:50 pm
Nonstop1h 35m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$114
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Sat 10/31
6:00 am-2:14 pm
1 stop7h 14m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$124
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Sat 10/10
5:38 pm-12:46 am
1 stop6h 08m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$124
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Sat 11/7
10:47 am-5:00 pm
1 stop5h 13m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$124
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Sat 12/5
11:00 am-5:20 pm
1 stop5h 20m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$124
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Mon 11/9
5:45 am-10:20 am
1 stop3h 35m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$124
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Wed 11/4
10:35 am-3:18 pm
1 stop3h 43m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$124
St. LouisPittsburgh
STL Lambert-St Louis - PIT Pittsburgh
STLPIT
Lambert-St Louis
Wed 11/11
10:00 am-4:03 pm
1 stop5h 03m
Pittsburgh
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$124
Showing 1-10 of 18 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 September.
| 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, December is the cheapest month in which you can book a flight from St. Louis to Pittsburgh (average of $263). 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 September 13, 2026.
It’s typically best to fly out from St. Louis to Pittsburgh in the afternoon. Doing so could potentially save you 33% 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 September 12, 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 September 13, 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - 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 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 September 13, 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 September 13, 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 September 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from St. Louis to Pittsburgh
Discover the top 4 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 September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$376 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$314 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$231 | Average$353 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$341 | Average$436 | FlexibilityNo cancel fee | On-timeN/A |