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Cheap flights from St. Louis to Pittsburgh (STL - PIT) from $63

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 5/22. 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 9 — May 161
From?
To?
Thu 5/9
Thu 5/16
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 4, 2024.

Popular in

January

Cheapest in

September

Round-trip from

$268

One-way from

$90
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 21% potential price drop
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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 $347 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 23% 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 2,864,334 searches. Data last updated May 4, 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.
Sat 5/1811:39 amSTL - PIT
1 stop10h 29mSpirit Airlines
Mon 5/2010:25 pmPIT - STL
1 stop12h 14mSpirit Airlines
Deal found 5/3$149
Sat 5/1811:39 amSTL - PIT
1 stop10h 29mSpirit Airlines
Mon 5/207:33 amPIT - STL
2 stops27h 06mSpirit Airlines
Deal found 5/3$168
Sat 6/15:15 pmSTL - PIT
2 stops19h 13mSpirit Airlines
Tue 6/47:33 amPIT - STL
1 stop7h 04mSpirit Airlines
Deal found 5/3$205
Wed 6/51:55 pmSTL - PIT
1 stop14h 50mSpirit Airlines
Fri 6/710:25 pmPIT - STL
1 stop20h 03mSpirit Airlines
Deal found 5/3$212
Thu 5/167:30 pmSTL - PIT
1 stop28h 29mSpirit Airlines
Mon 5/209:17 pmPIT - STL
1 stop17h 20mSpirit Airlines
Deal found 5/3$215
Sat 5/1811:39 amSTL - PIT
1 stop10h 29mSpirit Airlines
Mon 5/205:30 amPIT - STL
3 stops29h 09mSpirit Airlines
Deal found 5/3$225
Sat 6/111:39 amSTL - PIT
1 stop5h 34mSpirit Airlines
Tue 6/46:37 amPIT - STL
3 stops31h 28mSpirit Airlines
Deal found 5/3$228
Sat 6/15:15 pmSTL - PIT
2 stops19h 13mSpirit Airlines
Tue 6/46:37 amPIT - STL
3 stops31h 28mSpirit Airlines
Deal found 5/3$239
Wed 6/51:55 pmSTL - PIT
1 stop14h 50mSpirit Airlines
Fri 6/75:23 pmPIT - STL
2 stops25h 05mSpirit Airlines
Deal found 5/3$247

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 2,864,334 searches. Data last updated May 4, 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.
Sat 5/118:04 pmSTL - PIT
1 stop14h 32mFrontier
Tue 5/141:41 pmPIT - STL
1 stop21h 06mFrontier
Deal found 5/3$159
Sat 6/18:57 amSTL - PIT
1 stop8h 09mFrontier
Tue 6/49:43 pmPIT - STL
1 stop12h 46mFrontier
Deal found 5/3$163
Mon 5/138:04 pmSTL - PIT
1 stop15h 37mFrontier
Thu 5/169:00 pmPIT - STL
1 stop13h 36mFrontier
Deal found 5/3$204

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 2,864,334 searches. Prices were last updated on May 4, 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.
Tue 6/410:34 amSTL - PIT
1 stop7h 07mSpirit Airlines
Wed 6/510:25 pmPIT - STL
1 stop20h 03mSpirit Airlines
Deal found 5/4$139
Sat 5/1811:39 amSTL - PIT
1 stop10h 29mSpirit Airlines
Mon 5/2010:25 pmPIT - STL
1 stop12h 14mSpirit Airlines
Deal found 5/3$149
Sat 5/118:04 pmSTL - PIT
1 stop14h 32mFrontier
Tue 5/141:41 pmPIT - STL
1 stop21h 06mFrontier
Deal found 5/3$159
Sat 6/18:57 amSTL - PIT
1 stop8h 09mFrontier
Tue 6/49:43 pmPIT - STL
1 stop12h 46mFrontier
Deal found 5/3$163
Sat 5/1811:39 amSTL - PIT
1 stop10h 29mSpirit Airlines
Mon 5/207:33 amPIT - STL
2 stops27h 06mSpirit Airlines
Deal found 5/3$168
Wed 6/196:00 amSTL - PIT
1 stop8h 16mAmerican Airlines
Wed 6/2611:21 amPIT - STL
1 stop6h 57mAmerican Airlines
Deal found 5/3$182
Mon 5/138:04 pmSTL - PIT
1 stop15h 37mFrontier
Thu 5/169:00 pmPIT - STL
1 stop13h 36mFrontier
Deal found 5/3$204
Sat 6/15:15 pmSTL - PIT
2 stops19h 13mSpirit Airlines
Tue 6/47:33 amPIT - STL
1 stop7h 04mSpirit Airlines
Deal found 5/3$205
Wed 6/51:55 pmSTL - PIT
1 stop14h 50mSpirit Airlines
Fri 6/710:25 pmPIT - STL
1 stop20h 03mSpirit Airlines
Deal found 5/3$212

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 2,864,334 searches. Data last updated May 4, 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.
Tue 6/410:34 amSTL - PIT
1 stop7h 07mSpirit Airlines
Wed 6/510:25 pmPIT - STL
1 stop20h 03mSpirit Airlines
Deal found 5/4$139
Sat 5/1811:39 amSTL - PIT
1 stop10h 29mSpirit Airlines
Mon 5/2010:25 pmPIT - STL
1 stop12h 14mSpirit Airlines
Deal found 5/3$149
Sat 5/118:04 pmSTL - PIT
1 stop14h 32mFrontier
Tue 5/141:41 pmPIT - STL
1 stop21h 06mFrontier
Deal found 5/3$159
Sat 6/18:57 amSTL - PIT
1 stop8h 09mFrontier
Tue 6/49:43 pmPIT - STL
1 stop12h 46mFrontier
Deal found 5/3$163
Sat 5/1811:39 amSTL - PIT
1 stop10h 29mSpirit Airlines
Mon 5/207:33 amPIT - STL
2 stops27h 06mSpirit Airlines
Deal found 5/3$168
Wed 6/196:00 amSTL - PIT
1 stop8h 16mAmerican Airlines
Wed 6/2611:21 amPIT - STL
1 stop6h 57mAmerican Airlines
Deal found 5/3$182
Thu 8/87:05 amSTL - PIT
1 stop7h 51mAmerican Airlines
Tue 8/138:00 amPIT - STL
1 stop8h 32mAmerican Airlines
Deal found 5/3$202
Mon 5/138:04 pmSTL - PIT
1 stop15h 37mFrontier
Thu 5/169:00 pmPIT - STL
1 stop13h 36mFrontier
Deal found 5/3$204
Sat 6/15:15 pmSTL - PIT
2 stops19h 13mSpirit Airlines
Tue 6/47:33 amPIT - STL
1 stop7h 04mSpirit Airlines
Deal found 5/3$205

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 2,864,334 searches. Data last updated May 4, 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.
Sat 5/118:04 pmSTL - PIT
1 stop14h 32mFrontier
Tue 5/141:41 pmPIT - STL
1 stop21h 06mFrontier
Deal found 5/3$159
Mon 5/138:04 pmSTL - PIT
1 stop15h 37mFrontier
Thu 5/169:00 pmPIT - STL
1 stop13h 36mFrontier
Deal found 5/3$204
Sat 5/1111:39 amSTL - PIT
1 stop10h 29mMultiple Airlines
Tue 5/147:41 pmPIT - STL
3 stops25h 39mMultiple Airlines
Deal found 5/3$293
Sat 5/115:15 pmSTL - PIT
3 stops18h 50mMultiple Airlines
Tue 5/147:41 pmPIT - STL
3 stops25h 39mMultiple Airlines
Deal found 5/3$299
Sat 5/115:15 pmSTL - PIT
2 stops15h 39mMultiple Airlines
Tue 5/147:41 pmPIT - STL
3 stops25h 39mMultiple Airlines
Deal found 5/3$318
Thu 5/97:30 pmSTL - PIT
1 stop23h 47mMultiple Airlines
Sun 5/1212:36 pmPIT - STL
1 stop22h 11mMultiple Airlines
Deal found 5/3$320
Thu 5/98:55 pmSTL - PIT
3 stops27h 04mMultiple Airlines
Sun 5/129:01 amPIT - STL
2 stops7h 29mMultiple Airlines
Deal found 5/3$426
Thu 5/99:35 amSTL - PIT
3 stops38h 24mMultiple Airlines
Sun 5/126:37 amPIT - STL
1 stop11h 52mMultiple Airlines
Deal found 5/3$465
Tue 5/146:00 amSTL - PIT
1 stop4h 59mDelta
Wed 5/1511:11 amPIT - STL
1 stop4h 11mDelta
Deal found 5/2$468

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 2,864,334 searches. Data last updated May 4, 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.
Wed 5/228:47 amSTL - PIT
1 stop8h 39mFrontier
Deal found 5/3$63
Sat 7/2711:47 amSTL - PIT
1 stop4h 29mFrontier
Deal found 5/3$80
Wed 9/118:00 pmSTL - PIT
1 stop22h 50mFrontier
Deal found 5/3$86
Wed 7/178:00 pmSTL - PIT
1 stop22h 50mFrontier
Deal found 5/2$90
Thu 5/237:30 pmSTL - PIT
1 stop22h 34mSpirit Airlines
Deal found 5/3$104
Thu 5/237:30 pmSTL - PIT
2 stops24h 54mSpirit Airlines
Deal found 5/3$120
Sun 6/305:45 pmSTL - PIT
1 stop18h 18mSun Country Air
Deal found 5/3$128
Fri 7/266:10 pmSTL - PIT
1 stop3h 39mDelta
Deal found 5/3$144
Sun 6/307:00 amSTL - PIT
1 stop5h 04mAmerican Airlines
Deal found 5/3$153

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 2,864,334 searches. Data last updated May 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$149 - $293

Route

Depart

Return

Price

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Sat 5/18

1 stop10h 29m

Pittsburgh

Mon 5/20

1 stop12h 14m

$149

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Sat 5/11

1 stop14h 32m

Pittsburgh

Tue 5/14

1 stop21h 06m

$159

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Sat 6/1

1 stop8h 09m

Pittsburgh

Tue 6/4

1 stop12h 46m

$163

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Sat 5/18

1 stop10h 29m

Pittsburgh

Mon 5/20

2 stops27h 06m

$168

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Wed 6/19

1 stop8h 16m

Pittsburgh

Wed 6/26

1 stop6h 57m

$182

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Mon 5/13

1 stop15h 37m

Pittsburgh

Thu 5/16

1 stop13h 36m

$204

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Sat 6/1

2 stops19h 13m

Pittsburgh

Tue 6/4

1 stop7h 04m

$205

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Fri 7/26

1 stop5h 53m

Pittsburgh

Mon 7/29

1 stop4h 59m

$288

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Sat 5/11

1 stop10h 29m

Pittsburgh

Tue 5/14

3 stops25h 39m

$293

Flights are sorted by cheapest first

Deals found on 5/3

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 3, 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 April 28, 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

Average price of flights to Pittsburgh by month

Plan your trip from St. Louis to Pittsburgh by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Pittsburgh is currently $108 while a round-trip flight costs $201. Price data was last updated on April 28, 2024.

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 $326). 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.

January

$268

February

$273

March

$315

April

$308

May

$316

June

$324

July

$326

August

$294

September

$295

October

$289

November

$301

December

$278

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 4, 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
9,137 reviews
Check prices

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Reviews

1 / 10

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

Alaska Airlines
8.1
Very good
9,137 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Reviews

1 / 10

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

Delta
8.1
Very good
10,838 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Reviews

1 / 10

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

United Airlines
7.4
Good
11,125 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Reviews

1 / 10

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

American Airlines
7.3
Good
14,728 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Reviews

1 / 10

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

Sun Country Air
7.3
Good
647 reviews
Alaska Airlines
8.1
Very good
9,137 reviews
Check prices

Boarding

8.2

Entertainment

7.3

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

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 Spirit Airlines for just $149, but on average you can expect to pay $227.

  • Are there last-minute flights available from St. Louis to Pittsburgh for under $200?

    There are currently 12+ open flights from St. Louis to Pittsburgh within the next 7 days for less than $200.

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

    Currently priced at $149, 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 $159 and $182, respectively. These flights start at 57% 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 $63. However, be on the lookout for offers from Spirit Airlines and Sun Country Air, as they are both options that can get you from St. Louis to Pittsburgh for a low price.

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

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

  • What 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 5/4.

See more FAQs

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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 2,864,334 searches. Data last updated May 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$153Average$231FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$222Average$307FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$238Average$342FlexibilityNo 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.
First Class
Business Class
Prem Econ Class
Economy Class

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 4, 2024.
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%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 4, 2024.
Sunday2daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
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Cheapflights helps you search for flights from St. Louis to Pittsburgh via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Pittsburgh?

Millions of users choose and trust Cheapflights to book the best flight deals from St. Louis to Pittsburgh for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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