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Cheap flights from St. Louis to Pittsburgh (STL - PIT) from $74

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — PIT
May 27 — Jun 31
From?
To?
Mon 5/27
Mon 6/3
1 adult, Economy
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The best prices from Lambert-St Louis to Pittsburgh are usually found in September or October, booked 78 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap 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 May 22, 2024.

Popular in

January

Cheapest in

September

Round-trip from

$268

One-way from

$111
High demand for flights, 22% potential price rise
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Best time to find cheap flights, 20% potential price drop
Search Deals
From Lambert-St Louis to Pittsburgh
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One-way flight from Lambert-St Louis to Pittsburgh
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What is the cheapest day to fly round-trip from St. Louis to Pittsburgh?

Monday 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 52 days in advance to save up to 112% 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 52 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 $373, or $465 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, September can be a great choice for travel to Pittsburgh. Flights to Pittsburgh from St. Louis in September are about $343 on average during September, but can be found for as low as $227.

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 18% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Spirit Airlines flights from St. Louis to Pittsburgh

Explore cheap flight options specifically provided by Spirit Airlines for the route between St. Louis and Pittsburgh. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 22, 2024.
Check out some of the cheapest Spirit Airlines flights we've come across from St. Louis to Pittsburgh. Come back soon if you're not finding the exact deal you're looking for.
Sun 6/27:30 pmSTL - PIT
1 stop23h 47mSpirit Airlines
Wed 6/57:29 pmPIT - STL
1 stop24h 53mSpirit Airlines
Deal found 5/21$195
Fri 9/134:31 pmSTL - PIT
1 stop7h 34mSpirit Airlines
Sun 9/1510:12 pmPIT - STL
1 stop25h 02mSpirit Airlines
Deal found 5/21$202
Wed 6/51:55 pmSTL - PIT
1 stop14h 50mSpirit Airlines
Mon 6/1010:25 pmPIT - STL
1 stop16h 58mSpirit Airlines
Deal found 5/21$211
Fri 9/134:31 pmSTL - PIT
1 stop7h 34mSpirit Airlines
Sun 9/1510:25 pmPIT - STL
2 stops24h 49mSpirit Airlines
Deal found 5/21$212
Wed 6/51:55 pmSTL - PIT
2 stops14h 20mSpirit Airlines
Mon 6/1010:25 pmPIT - STL
1 stop16h 58mSpirit Airlines
Deal found 5/21$218
Fri 9/134:31 pmSTL - PIT
1 stop7h 34mSpirit Airlines
Sun 9/154:56 pmPIT - STL
3 stops30h 18mSpirit Airlines
Deal found 5/21$235
Wed 6/51:55 pmSTL - PIT
1 stop14h 50mSpirit Airlines
Mon 6/101:52 pmPIT - STL
3 stops25h 31mSpirit Airlines
Deal found 5/21$236
Sat 6/811:34 amSTL - PIT
1 stop10h 37mSpirit Airlines
Mon 7/111:37 amPIT - STL
2 stops24h 20mSpirit Airlines
Deal found 5/21$238
Wed 6/51:55 pmSTL - PIT
2 stops14h 20mSpirit Airlines
Mon 6/101:52 pmPIT - STL
3 stops25h 31mSpirit Airlines
Deal found 5/21$243

Cheap Frontier flights from St. Louis to Pittsburgh

Explore cheap flight options specifically provided by Frontier for the route between St. Louis and Pittsburgh. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 22, 2024.
Have a look at some of the cheapest available Frontier flights departing from St. Louis and landing in Pittsburgh. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Mon 7/297:51 pmSTL - PIT
1 stop14h 16mFrontier
Thu 8/17:16 pmPIT - STL
1 stop15h 09mFrontier
Deal found 5/22$261
Fri 7/269:32 pmSTL - PIT
1 stop8h 23mFrontier
Sun 7/287:55 pmPIT - STL
1 stop14h 30mFrontier
Deal found 5/21$281

Cheap St. Louis to Pittsburgh flights in May & June 2024

Find cheap flight options from St. Louis to Pittsburgh specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Prices were last updated on May 22, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Pittsburgh in May and June 2024. More deals are always being added, so be sure to check back regularly.
Sat 6/88:02 pmSTL - PIT
1 stop22h 47mMultiple Airlines
Mon 7/18:00 amPIT - STL
1 stop27h 57mMultiple Airlines
Deal found 5/21$177
Sun 6/96:55 pmSTL - PIT
1 stop16h 57mSpirit Airlines
Mon 6/1010:25 pmPIT - STL
1 stop16h 58mSpirit Airlines
Deal found 5/22$188
Sun 6/96:55 pmSTL - PIT
1 stop16h 57mSpirit Airlines
Mon 6/105:23 pmPIT - STL
2 stops22h 00mSpirit Airlines
Deal found 5/22$191
Sun 6/27:30 pmSTL - PIT
1 stop23h 47mSpirit Airlines
Wed 6/57:29 pmPIT - STL
1 stop24h 53mSpirit Airlines
Deal found 5/21$195
Wed 6/51:55 pmSTL - PIT
1 stop14h 50mSpirit Airlines
Mon 6/1010:25 pmPIT - STL
1 stop16h 58mSpirit Airlines
Deal found 5/21$211
Wed 6/51:55 pmSTL - PIT
2 stops14h 20mSpirit Airlines
Mon 6/1010:25 pmPIT - STL
1 stop16h 58mSpirit Airlines
Deal found 5/21$218
Sun 6/96:55 pmSTL - PIT
2 stops17h 10mSpirit Airlines
Mon 6/105:23 pmPIT - STL
2 stops22h 00mSpirit Airlines
Deal found 5/22$224
Sat 6/226:22 pmSTL - PIT
1 stop6h 12mMultiple Airlines
Thu 6/2710:38 pmPIT - STL
1 stop12h 02mMultiple Airlines
Deal found 5/21$226
Wed 6/51:55 pmSTL - PIT
1 stop14h 50mSpirit Airlines
Mon 6/101:52 pmPIT - STL
3 stops25h 31mSpirit Airlines
Deal found 5/21$236

St. Louis to Pittsburgh 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Pittsburgh in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 22, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Pittsburgh in May and June 2024. More deals are always being added, so be sure to check back regularly.
Sat 6/88:02 pmSTL - PIT
1 stop22h 47mMultiple Airlines
Mon 7/18:00 amPIT - STL
1 stop27h 57mMultiple Airlines
Deal found 5/21$177
Sun 6/96:55 pmSTL - PIT
1 stop16h 57mSpirit Airlines
Mon 6/1010:25 pmPIT - STL
1 stop16h 58mSpirit Airlines
Deal found 5/22$188
Sun 6/96:55 pmSTL - PIT
1 stop16h 57mSpirit Airlines
Mon 6/105:23 pmPIT - STL
2 stops22h 00mSpirit Airlines
Deal found 5/22$191
Sun 6/27:30 pmSTL - PIT
1 stop23h 47mSpirit Airlines
Wed 6/57:29 pmPIT - STL
1 stop24h 53mSpirit Airlines
Deal found 5/21$195
Fri 9/134:31 pmSTL - PIT
1 stop7h 34mSpirit Airlines
Sun 9/1510:12 pmPIT - STL
1 stop25h 02mSpirit Airlines
Deal found 5/21$202
Wed 6/51:55 pmSTL - PIT
1 stop14h 50mSpirit Airlines
Mon 6/1010:25 pmPIT - STL
1 stop16h 58mSpirit Airlines
Deal found 5/21$211
Fri 9/134:31 pmSTL - PIT
1 stop7h 34mSpirit Airlines
Sun 9/1510:25 pmPIT - STL
2 stops24h 49mSpirit Airlines
Deal found 5/21$212
Wed 6/51:55 pmSTL - PIT
2 stops14h 20mSpirit Airlines
Mon 6/1010:25 pmPIT - STL
1 stop16h 58mSpirit Airlines
Deal found 5/21$218
Sun 6/96:55 pmSTL - PIT
2 stops17h 10mSpirit Airlines
Mon 6/105:23 pmPIT - STL
2 stops22h 00mSpirit Airlines
Deal found 5/22$224

St. Louis to Pittsburgh flights leaving soon

Find last-minute flight options from St. Louis to Pittsburgh for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 22, 2024.
Have a look at some of the last-minute flights available departing from St. Louis to Pittsburgh. Users should examine the flight details to ensure there are no surprises.
Tue 5/282:35 pmSTL - PIT
1 stop26h 29mMultiple Airlines
Thu 5/309:00 pmPIT - STL
1 stop13h 36mMultiple Airlines
Deal found 5/22$319
Tue 5/282:35 pmSTL - PIT
1 stop7h 33mMultiple Airlines
Wed 5/295:52 pmPIT - STL
3 stops23h 13mMultiple Airlines
Deal found 5/21$348
Tue 5/282:35 pmSTL - PIT
1 stop8h 24mSpirit Airlines
Wed 5/297:41 pmPIT - STL
1 stop22h 48mSpirit Airlines
Deal found 5/21$351
Tue 5/282:35 pmSTL - PIT
1 stop7h 33mSpirit Airlines
Wed 5/296:54 pmPIT - STL
2 stops23h 35mSpirit Airlines
Deal found 5/21$370
Tue 5/2812:45 pmSTL - PIT
3 stops27h 07mMultiple Airlines
Wed 5/296:54 pmPIT - STL
3 stops22h 11mMultiple Airlines
Deal found 5/21$382
Tue 5/284:10 pmSTL - PIT
3 stops31h 49mMultiple Airlines
Thu 5/307:33 amPIT - STL
1 stop12h 07mMultiple Airlines
Deal found 5/22$394
Tue 5/284:45 pmSTL - PIT
3 stops23h 07mMultiple Airlines
Wed 5/296:54 pmPIT - STL
2 stops23h 35mMultiple Airlines
Deal found 5/21$395
Tue 5/284:10 pmSTL - PIT
3 stops31h 49mMultiple Airlines
Thu 5/305:52 pmPIT - STL
3 stops23h 13mMultiple Airlines
Deal found 5/22$431
Mon 5/278:35 pmSTL - PIT
3 stops19h 11mMultiple Airlines
Sat 6/16:37 amPIT - STL
1 stop10h 48mMultiple Airlines
Deal found 5/20$436

One-way flights to Pittsburgh from St. Louis

Search for one-way flight options from St. Louis to Pittsburgh. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 22, 2024.
Users in need of a one-way flight from St. Louis to Pittsburgh can choose from these deals. Users can also find round-trip St. Louis to Pittsburgh flights by using the search form above.
Sat 6/18:57 amSTL - PIT
1 stop8h 09mFrontier
Deal found 5/21$74
Wed 9/114:31 pmSTL - PIT
1 stop7h 34mSpirit Airlines
Deal found 5/21$83
Mon 6/1010:36 pmSTL - PIT
1 stop7h 43mFrontier
Deal found 5/21$86
Tue 6/42:35 pmSTL - PIT
1 stop8h 24mSpirit Airlines
Deal found 5/21$90
Sun 6/96:55 pmSTL - PIT
1 stop16h 57mSpirit Airlines
Deal found 5/21$91
Mon 6/2410:36 pmSTL - PIT
1 stop7h 43mFrontier
Deal found 5/21$111
Sun 6/96:55 pmSTL - PIT
2 stops29h 39mSpirit Airlines
Deal found 5/21$116
Fri 6/146:00 amSTL - PIT
1 stop8h 16mAmerican Airlines
Deal found 5/21$118
Mon 6/102:41 pmSTL - PIT
2 stops13h 34mSpirit Airlines
Deal found 5/21$121

Find flights from St. Louis to Pittsburgh within your budget

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 2,730,072 searches. Data last updated May 22, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$177 - $462

Route

Depart

Return

Price

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Sat 6/8

1 stop22h 47m

Pittsburgh

Mon 7/1

1 stop27h 57m

$177

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Sun 6/2

1 stop23h 47m

Pittsburgh

Wed 6/5

1 stop24h 53m

$195

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Fri 9/13

1 stop7h 34m

Pittsburgh

Sun 9/15

1 stop25h 02m

$202

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Wed 6/5

1 stop14h 50m

Pittsburgh

Mon 6/10

1 stop16h 58m

$211

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Tue 7/30

1 stop10h 40m

Pittsburgh

Thu 8/1

1 stop15h 09m

$225

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Mon 7/29

1 stop14h 16m

Pittsburgh

Thu 8/1

1 stop15h 09m

$261

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Fri 11/15

1 stop4h 06m

Pittsburgh

Mon 11/18

1 stop6h 12m

$269

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Mon 7/22

1 stop4h 17m

Pittsburgh

Fri 7/26

1 stop6h 26m

$288

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Fri 8/30

2 stops19h 34m

Pittsburgh

Mon 9/2

1 stop4h 07m

$462

Flights are sorted by cheapest first

Deals found on 5/21

When is the best time to book a flight from St. Louis to Pittsburgh?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Pittsburgh. Price data was last updated on May 10, 2024.
The best time to book flights from St. Louis to Pittsburgh is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time 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 May 19, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Pittsburgh flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.
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.

Temperature and rainfall in Pittsburgh by month

Plan your trip to Pittsburgh by taking into account the average temperature and rainfall totals by month.

PIT

Temperature

28.4 - 73.4 °F

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 May 22, 2024.
Read through reviews of airlines operating flights from St. Louis to Pittsburgh, such as Spirit Airlines, Frontier and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,171 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.3

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,171 reviews
Alaska Airlines
8.1
Very good
9,171 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.3

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,585 reviews
Alaska Airlines
8.1
Very good
9,171 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.3

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,870 reviews
Alaska Airlines
8.1
Very good
9,171 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.3

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,421 reviews
Alaska Airlines
8.1
Very good
9,171 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.3

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Spirit Airlines
6.4
Okay
8,649 reviews
Alaska Airlines
8.1
Very good
9,171 reviews
Check prices

Crew

8.6

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.3

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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.

  • What airports do I use to fly from St. Louis to Pittsburgh?

    If you wish to fly to Pittsburgh from St. Louis, then you need to book flights from Lambert-St Louis to Pittsburgh. There is 1 flight from Lambert-St Louis (STL) to Pittsburgh (PIT) per day to choose from. Flights to Pittsburgh from Lambert-St Louis are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 3h 42m is how long a nonstop flight from St. Louis to Pittsburgh typically takes.

  • 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 Multiple Airlines for just $177, but on average you can expect to pay $234.

  • Are there last-minute flights available from St. Louis to Pittsburgh for under $400?

    There are currently 18+ open flights from St. Louis to Pittsburgh within the next 7 days for less than $400.

  • What days are nonstop flights available from St. Louis to Pittsburgh?

    Nonstop flights can be found on the following days: Saturday.

  • How many flights depart from St. Louis to Pittsburgh on average per day?

    Travelers can expect 1 flight from St. Louis to Pittsburgh on average per day.
    Afternoon (Noon - 6pm) - 100% of flight departures

  • How long is the flight from St. Louis to Pittsburgh?

    There are many flights that can get you from St. Louis to Pittsburgh in 4h 06m. Fly via Spirit Airlines, Frontier, or American Airlines to get the fastest option. Airlines will cover a distance of 555 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $195, Spirit Airlines will fly you from St. Louis to Pittsburgh and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and American Airlines - these airlines can fly you to your destination from $261 and $269, respectively. These flights start at 43% 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 Frontier, with whom users have recently found tickets for as low as $74. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from St. Louis to Pittsburgh for a low price.

  • What does STL to PIT mean?

    STL and PIT are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to PIT refers to a flight route from Lambert-St Louis Airport to Pittsburgh Airport.

  • Can I find deals for flights from St. Louis to Pittsburgh that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Pittsburgh flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Pittsburgh with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Pittsburgh flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Pittsburgh that include hotel bookings?

    Yes. In addition to deals on St. Louis to Pittsburgh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Pittsburgh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Pittsburgh.

  • Can I find deals for business class flights from St. Louis to Pittsburgh?

    Yes. Cheapflights offers flight deals from St. Louis to Pittsburgh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Pittsburgh that allow pets onboard?

    Many airlines flying from St. Louis to Pittsburgh offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Pittsburgh?

    Yes, you can often find last-minute deals on St. Louis to Pittsburgh flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Pittsburgh flight deals updated?

    The St. Louis to Pittsburgh flight deals you see on this page were last updated on 5/22.

  • 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.

  • When is the best time 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 $268). Flying from St. Louis to Pittsburgh in July is currently the most expensive (average of $318). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Pittsburgh
See prices for flight routes from nearby airports that may be better suited for you.

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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 2,730,072 searches. Data last updated May 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$153Average$231FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$225Average$320FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$233Average$339FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$274Average$341FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from St. Louis to Pittsburgh by cabin class

Find flights from St. Louis to Pittsburgh, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from St. Louis to Pittsburgh

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 May 22, 2024.
1%of flight departuresEarly morningMidnight to 6 am
14%of flight departuresMorning6 am to noon
85%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from St. Louis to Pittsburgh

Explore weekly flight availability from St. Louis to Pittsburgh. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 22, 2024.
Sunday2daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday1daily flight

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Fly with Cheapflights

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Can Cheapflights find flights from St. Louis to Pittsburgh with no change fees?

Yes, we can. To see specific flights from St. Louis to Pittsburgh with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St. Louis to Pittsburgh become cheaper?

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