$69+ Cheap flights from St. Louis to Pittsburgh (STL - PIT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PIT
Jul 30 — Aug 61

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The best prices from Lambert-St Louis to Pittsburgh are usually found in September or October, booked 77 days in advance, depart on a Monday or Saturday 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 July 25, 2024.

Popular in

January

Cheapest in

September

Round-trip from

$170
(FlightHub)

One-way from

$69
(CheapOair)
High demand for flights, 22% potential price rise
Best time to find cheap flights, 19% potential price drop
From Lambert-St Louis to Pittsburgh
One-way flight from Lambert-St Louis to Pittsburgh

What is the cheapest day to fly round-trip from St. Louis to Pittsburgh?

Tuesday 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 33% 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 $254, or $464 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 $342 on average during September, but can be found for as low as $218.

What is the cheapest time of day to fly from STL to PIT?

It’s typically best to fly out from St. Louis to Pittsburgh in the evening. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

Cheap St. Louis to Pittsburgh flights in July & August 2024

Find cheap flight options from St. Louis to Pittsburgh specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Pittsburgh in July and August 2024. More deals are always being added, so be sure to check back regularly.
This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/158:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Tue 8/205:58 pmPIT - STL
1 stop14h 24mSpirit Airlines
Deal found 7/25$177
This deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/228:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Mon 8/265:58 pmPIT - STL
1 stop14h 24mSpirit Airlines
Deal found 7/25$180
This JustFly deal was found by Cheapflights users on 7/24. 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 JustFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/228:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Sun 8/255:58 pmPIT - STL
1 stop14h 24mSpirit Airlines
Deal found 7/24$194
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/228:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Mon 8/2611:58 amPIT - STL
2 stops20h 24mSpirit Airlines
Deal found 7/24$200
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/148:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Wed 8/147:46 pmPIT - STL
2 stops12h 36mSpirit Airlines
Deal found 7/25$225
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/228:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Mon 8/269:11 pmPIT - STL
3 stops35h 11mSpirit Airlines
Deal found 7/24$226
This CheapOair deal was found by Cheapflights users on 7/25. 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 8/308:12 amSTL - PIT
1 stop13h 44mSpirit Airlines
Mon 9/25:58 pmPIT - STL
1 stop14h 24mSpirit Airlines
Deal found 7/25$236
This CheapOair deal was found by Cheapflights users on 7/25. 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 8/168:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Sun 8/186:30 amPIT - STL
1 stop10h 54mSpirit Airlines
Deal found 7/25$245
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/3012:15 pmSTL - PIT
3 stops25h 33mMultiple Airlines
Mon 9/25:58 pmPIT - STL
1 stop14h 24mMultiple Airlines
Deal found 7/24$253

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 2,752,877 searches. Data last updated July 25, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Pittsburgh in July and August 2024. More deals are always being added, so be sure to check back regularly.
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/98:57 amSTL - PIT
1 stop13h 25mSpirit Airlines
Thu 9/125:58 pmPIT - STL
1 stop15h 04mSpirit Airlines
Deal found 7/25$171
This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/158:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Tue 8/205:58 pmPIT - STL
1 stop14h 24mSpirit Airlines
Deal found 7/25$177
This deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/228:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Mon 8/265:58 pmPIT - STL
1 stop14h 24mSpirit Airlines
Deal found 7/25$180
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/98:57 amSTL - PIT
1 stop13h 25mSpirit Airlines
Thu 9/126:15 pmPIT - STL
2 stops14h 47mSpirit Airlines
Deal found 7/25$192
This JustFly deal was found by Cheapflights users on 7/24. 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 JustFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/228:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Sun 8/255:58 pmPIT - STL
1 stop14h 24mSpirit Airlines
Deal found 7/24$194
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/228:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Mon 8/2611:58 amPIT - STL
2 stops20h 24mSpirit Airlines
Deal found 7/24$200
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/98:57 amSTL - PIT
3 stops32h 42mSpirit Airlines
Thu 9/126:15 pmPIT - STL
2 stops14h 47mSpirit Airlines
Deal found 7/25$222
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/148:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Wed 8/147:46 pmPIT - STL
2 stops12h 36mSpirit Airlines
Deal found 7/25$225
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/228:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Mon 8/269:11 pmPIT - STL
3 stops35h 11mSpirit Airlines
Deal found 7/24$226

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 2,752,877 searches. Data last updated July 25, 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.
This Gotogate deal was found by Cheapflights users on 7/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/318:02 pmSTL - PIT
1 stop21h 14mFrontier
Sat 8/37:55 amPIT - STL
1 stop7h 24mFrontier
Deal found 7/25$369
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/314:10 pmSTL - PIT
3 stops31h 49mMultiple Airlines
Sat 8/36:37 amPIT - STL
1 stop11h 52mMultiple Airlines
Deal found 7/25$498
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/314:10 pmSTL - PIT
3 stops31h 49mMultiple Airlines
Sat 8/310:16 pmPIT - STL
3 stops33h 49mMultiple Airlines
Deal found 7/25$535
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/314:10 pmSTL - PIT
3 stops31h 49mMultiple Airlines
Sat 8/310:16 pmPIT - STL
2 stops21h 18mMultiple Airlines
Deal found 7/25$540
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3110:19 amSTL - PIT
1 stop5h 37mUnited Airlines
Sat 8/38:05 amPIT - STL
2 stops8h 35mUnited Airlines
Deal found 7/25$843

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 2,752,877 searches. Data last updated July 25, 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.
This CheapOair deal was found by Cheapflights users on 7/24. 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.
Wed 9/115:20 pmSTL - PIT
1 stop17h 22mFrontier
Deal found 7/24$69
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/208:12 amSTL - PIT
2 stops15h 39mSpirit Airlines
Deal found 7/25$85
This Priceline deal was found by Cheapflights users on 7/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/208:12 amSTL - PIT
1 stop7h 56mSpirit Airlines
Deal found 7/25$87
This mytrip.com deal was found by Cheapflights users on 7/25. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/208:12 amSTL - PIT
3 stops33h 44mSpirit Airlines
Deal found 7/25$108
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/318:02 pmSTL - PIT
1 stop21h 14mFrontier
Deal found 7/24$127
This iWofly deal was found by Cheapflights users on 7/25. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/98:57 amSTL - PIT
1 stop7h 11mSpirit Airlines
Deal found 7/25$140
This FlightHub deal was found by Cheapflights users on 7/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/18:49 pmSTL - PIT
1 stop25h 15mSpirit Airlines
Deal found 7/24$144
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/17:30 amSTL - PIT
2 stops13h 58mMultiple Airlines
Deal found 7/24$162
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/47:30 amSTL - PIT
2 stops13h 58mMultiple Airlines
Deal found 7/24$165

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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$170 - $385

Route

Depart

Return

Price

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Mon 8/19

1 stop27h 13m

Pittsburgh

Wed 8/21

1 stop14h 24m

$170

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Mon 9/9

1 stop13h 25m

Pittsburgh

Thu 9/12

1 stop15h 04m

$171

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Thu 8/15

1 stop7h 56m

Pittsburgh

Tue 8/20

1 stop14h 24m

$177

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Mon 8/19

2 stops25h 56m

Pittsburgh

Wed 8/21

2 stops12h 36m

$180

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Fri 8/23

1 stop27h 13m

Pittsburgh

Sun 8/25

1 stop7h 56m

$202

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Fri 8/9

1 stop8h 23m

Pittsburgh

Sun 8/11

1 stop14h 25m

$218

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Sat 8/24

1 stop12h 40m

Pittsburgh

Sat 8/31

1 stop7h 16m

$276

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Fri 9/27

1 stop6h 00m

Pittsburgh

Tue 10/1

1 stop4h 39m

$300

Lambert-St LouisPittsburgh

STL - PIT

STLPIT

Lambert-St Louis

Fri 9/6

1 stop15h 32m

Pittsburgh

Sun 9/8

1 stop4h 07m

$385

Flights are sorted by cheapest first

Deals found on 7/24

How far ahead should I 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 July 23, 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

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 July 21, 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. Friday at noon 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

If weather is an important factor for your trip to Pittsburgh, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 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 July 25, 2024.
Read through reviews of airlines operating flights from St. Louis to Pittsburgh, such as Spirit Airlines, Alaska Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

8.1
Very good
9,365 reviews
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

8.0
Very good
9,630 reviews
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

7.4
Good
10,000 reviews
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

7.3
Good
10,000 reviews
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

6.4
Okay
8,407 reviews
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

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. 6h 31m 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 $170, but on average you can expect to pay $211.

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

    There are currently 5+ open flights from St. Louis to Pittsburgh within the next 7 days for less than $400.

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

    Currently priced at $170, 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. Check Cheapflights for deals on Frontier for as low as $218. These flights start at 50% 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 $69. However, be on the lookout for offers from Spirit Airlines and United 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 7/25.

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

  • What is the cheapest month to book a flight from St. Louis to Pittsburgh?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Pittsburgh (average of $268). Flying from St. Louis to Pittsburgh in March is currently the most expensive (average of $315). 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.

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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.

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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$153Average$231FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$233Average$339FlexibilityNo cancel feeOn-time71%
DeltaCheapest$235Average$337FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$274Average$365FlexibilityNo cancel feeOn-time69%

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.

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 July 25, 2024.
1%of flight departuresEarly morningMidnight to 6 am
28%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
71%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 July 25, 2024.
Sunday2daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday1daily flight
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