Cheap flights from Pittsburgh to St. Louis (PIT - STL) from $101

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 4/26. 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.
PIT — STL
Mar 24 — Mar 311

The best prices from Pittsburgh to Lambert-St Louis are usually found in April or September, booked 70 days in advance, depart on a Tuesday or Saturday and return on a Monday

Cheap flight deals from Pittsburgh to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to St. Louis (STL). 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 March 19, 2024.

Popular in

February

Cheapest in

April

Round-trip from

$323

One-way from

$165
High demand for flights, 13% potential price rise
Best time to find cheap flights, 13% potential price drop
From Pittsburgh to Lambert-St Louis
One-way flight from Pittsburgh to Lambert-St Louis

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

Thursday flights are generally found to be more expensive for flights from Pittsburgh to St. Louis. 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 St. Louis.

How far in advance should I book a flight from Pittsburgh to St. Louis?

To save on the cost of your flight from Pittsburgh to St. Louis, book at least 45 days before your planned departure. Booking around this time can save you about 103% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $401 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $482.

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

Flights from Pittsburgh to St. Louis lean towards being more expensive in February. Prices are generally better when you fly from Pittsburgh to St. Louis in April, with the cheapest ticket starting at $200.

When is the cheapest time to fly from Pittsburgh to St. Louis (PIT - STL)?

A simple way to save on the total cost of your ticket is to fly from Pittsburgh to St. Louis in the evening. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the afternoon.

Cheap American Airlines flights from Pittsburgh to St. Louis

Explore cheap flight options specifically provided by American Airlines for the route between Pittsburgh and St. Louis. 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 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Pittsburgh to St. Louis. It's recommended that users confirm their flight details before booking.
Tue 6/48:37 amPIT - STL
1 stop8h 40mAmerican Airlines
Wed 6/56:00 amSTL - PIT
1 stop8h 20mAmerican Airlines
Deal found 3/16$182
Wed 4/108:23 amPIT - STL
1 stop7h 12mAmerican Airlines
Thu 4/115:15 amSTL - PIT
1 stop6h 49mAmerican Airlines
Deal found 3/17$220
Thu 5/98:37 amPIT - STL
1 stop8h 40mAmerican Airlines
Sun 5/125:04 amSTL - PIT
1 stop6h 59mAmerican Airlines
Deal found 3/17$248
Wed 6/55:07 amPIT - STL
1 stop4h 26mAmerican Airlines
Tue 6/116:06 pmSTL - PIT
1 stop4h 52mAmerican Airlines
Deal found 3/17$252
Fri 3/291:41 pmPIT - STL
1 stop5h 17mAmerican Airlines
Mon 4/12:27 pmSTL - PIT
1 stop7h 39mAmerican Airlines
Deal found 3/18$423
Fri 3/2211:27 amPIT - STL
1 stop7h 54mAmerican Airlines
Sat 3/235:18 amSTL - PIT
1 stop7h 04mAmerican Airlines
Deal found 3/18$484
Wed 6/58:14 amPIT - STL
2 stops12h 37mAmerican Airlines
Tue 6/117:04 amSTL - PIT
1 stop12h 58mAmerican Airlines
Deal found 3/17$541
Mon 3/255:00 amPIT - STL
1 stop4h 27mAmerican Airlines
Mon 3/2511:45 amSTL - PIT
2 stops10h 48mAmerican Airlines
Deal found 3/16$550
Mon 3/255:00 amPIT - STL
1 stop4h 27mAmerican Airlines
Wed 3/279:17 amSTL - PIT
2 stops10h 38mAmerican Airlines
Deal found 3/18$554

Cheap Spirit Airlines flights from Pittsburgh to St. Louis

Explore cheap flight options specifically provided by Spirit Airlines for the route between Pittsburgh and St. Louis. 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 3,145,932 searches. Data last updated March 19, 2024.
Take a gander at the lowest prices we've found on Spirit Airlines flights from Pittsburgh to St. Louis. Check back soon if you're not seeing flights that suit your needs.
Sat 5/115:30 amPIT - STL
1 stop5h 58mSpirit Airlines
Tue 5/142:35 pmSTL - PIT
1 stop7h 26mSpirit Airlines
Deal found 3/17$213
Sun 4/77:30 amPIT - STL
1 stop12h 20mSpirit Airlines
Mon 4/85:35 pmSTL - PIT
1 stop6h 24mSpirit Airlines
Deal found 3/17$218
Sat 4/275:45 amPIT - STL
1 stop5h 55mSpirit Airlines
Sun 4/287:30 pmSTL - PIT
1 stop28h 15mSpirit Airlines
Deal found 3/17$229
Mon 4/159:15 pmPIT - STL
1 stop13h 29mSpirit Airlines
Thu 4/187:30 pmSTL - PIT
2 stops23h 50mSpirit Airlines
Deal found 3/17$232
Fri 4/269:15 pmPIT - STL
1 stop21h 19mSpirit Airlines
Sun 4/287:30 pmSTL - PIT
1 stop23h 39mSpirit Airlines
Deal found 3/17$234
Mon 4/159:04 pmPIT - STL
1 stop17h 40mSpirit Airlines
Thu 4/187:30 pmSTL - PIT
1 stop22h 32mSpirit Airlines
Deal found 3/17$241
Fri 5/1010:25 pmPIT - STL
1 stop20h 04mSpirit Airlines
Sun 5/126:19 pmSTL - PIT
1 stop26h 05mSpirit Airlines
Deal found 3/17$243
Thu 4/47:30 amPIT - STL
1 stop12h 20mSpirit Airlines
Sat 4/611:39 amSTL - PIT
1 stop12h 20mSpirit Airlines
Deal found 3/18$244
Mon 4/152:42 pmPIT - STL
2 stops20h 02mSpirit Airlines
Thu 4/187:30 pmSTL - PIT
2 stops23h 50mSpirit Airlines
Deal found 3/17$246

Cheap Pittsburgh to St. Louis flights in March & April 2024

Find cheap flight options from Pittsburgh to St. Louis specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
The lowest fares we've come across on flights traveling from Pittsburgh to St. Louis in March and April 2024. More deals are always being added, so be sure to check back regularly.
Tue 4/231:41 pmPIT - STL
1 stop21h 06mFrontier
Wed 4/248:04 pmSTL - PIT
1 stop15h 37mFrontier
Deal found 3/18$119
Tue 4/161:41 pmPIT - STL
1 stop21h 06mMultiple Airlines
Tue 4/232:35 pmSTL - PIT
1 stop26h 18mMultiple Airlines
Deal found 3/16$164
Sun 4/1412:36 pmPIT - STL
1 stop22h 11mFrontier
Wed 4/178:04 pmSTL - PIT
1 stop15h 17mFrontier
Deal found 3/17$188
Sat 4/275:45 amPIT - STL
1 stop15h 47mMultiple Airlines
Mon 4/299:11 pmSTL - PIT
1 stop25h 30mMultiple Airlines
Deal found 3/17$199
Mon 4/16:59 pmPIT - STL
1 stop16h 24mMultiple Airlines
Sat 4/1311:39 amSTL - PIT
1 stop10h 26mMultiple Airlines
Deal found 3/18$203
Fri 4/269:15 pmPIT - STL
1 stop21h 19mMultiple Airlines
Mon 4/298:04 pmSTL - PIT
1 stop15h 37mMultiple Airlines
Deal found 3/17$210
Sun 4/77:30 amPIT - STL
1 stop12h 20mSpirit Airlines
Mon 4/85:35 pmSTL - PIT
1 stop6h 24mSpirit Airlines
Deal found 3/17$218
Wed 4/108:23 amPIT - STL
1 stop7h 12mAmerican Airlines
Thu 4/115:15 amSTL - PIT
1 stop6h 49mAmerican Airlines
Deal found 3/17$220
Sat 4/275:45 amPIT - STL
1 stop5h 55mSpirit Airlines
Sun 4/287:30 pmSTL - PIT
1 stop28h 15mSpirit Airlines
Deal found 3/17$229

Pittsburgh to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Pittsburgh and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
The lowest fares we've come across on flights traveling from Pittsburgh to St. Louis in March and April 2024. More deals are always being added, so be sure to check back regularly.
Tue 4/231:41 pmPIT - STL
1 stop21h 06mFrontier
Wed 4/248:04 pmSTL - PIT
1 stop15h 37mFrontier
Deal found 3/18$119
Tue 4/161:41 pmPIT - STL
1 stop21h 06mMultiple Airlines
Tue 4/232:35 pmSTL - PIT
1 stop26h 18mMultiple Airlines
Deal found 3/16$164
Tue 6/48:37 amPIT - STL
1 stop8h 40mAmerican Airlines
Wed 6/56:00 amSTL - PIT
1 stop8h 20mAmerican Airlines
Deal found 3/16$182
Sun 4/1412:36 pmPIT - STL
1 stop22h 11mFrontier
Wed 4/178:04 pmSTL - PIT
1 stop15h 17mFrontier
Deal found 3/17$188
Sat 4/275:45 amPIT - STL
1 stop15h 47mMultiple Airlines
Mon 4/299:11 pmSTL - PIT
1 stop25h 30mMultiple Airlines
Deal found 3/17$199
Mon 4/16:59 pmPIT - STL
1 stop16h 24mMultiple Airlines
Sat 4/1311:39 amSTL - PIT
1 stop10h 26mMultiple Airlines
Deal found 3/18$203
Fri 4/269:15 pmPIT - STL
1 stop21h 19mMultiple Airlines
Mon 4/298:04 pmSTL - PIT
1 stop15h 37mMultiple Airlines
Deal found 3/17$210
Sat 5/115:30 amPIT - STL
1 stop5h 58mSpirit Airlines
Tue 5/142:35 pmSTL - PIT
1 stop7h 26mSpirit Airlines
Deal found 3/17$213
Sun 4/77:30 amPIT - STL
1 stop12h 20mSpirit Airlines
Mon 4/85:35 pmSTL - PIT
1 stop6h 24mSpirit Airlines
Deal found 3/17$218

Pittsburgh to St. Louis flights leaving soon

Find last-minute flight options from Pittsburgh to St. Louis 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 3,145,932 searches. Data last updated March 19, 2024.
Have a look at some of the last-minute flights available departing from Pittsburgh to St. Louis. Tip: verify your flight details before completing your reservation.
Mon 3/256:59 pmPIT - STL
1 stop16h 24mMultiple Airlines
Tue 3/262:25 pmSTL - PIT
1 stop9h 34mMultiple Airlines
Deal found 3/18$256
Mon 3/256:59 pmPIT - STL
1 stop16h 24mMultiple Airlines
Wed 3/279:11 amSTL - PIT
1 stop9h 38mMultiple Airlines
Deal found 3/18$284
Thu 3/285:20 amPIT - STL
1 stop14h 30mMultiple Airlines
Tue 4/28:24 pmSTL - PIT
1 stop20h 27mMultiple Airlines
Deal found 3/17$357
Thu 3/285:20 amPIT - STL
1 stop14h 30mSpirit Airlines
Tue 4/22:25 pmSTL - PIT
2 stops15h 35mSpirit Airlines
Deal found 3/17$368
Thu 3/289:54 pmPIT - STL
3 stops41h 56mMultiple Airlines
Tue 4/22:25 pmSTL - PIT
2 stops15h 35mMultiple Airlines
Deal found 3/17$380
Thu 3/288:30 amPIT - STL
2 stops8h 00mMultiple Airlines
Tue 4/22:25 pmSTL - PIT
2 stops15h 35mMultiple Airlines
Deal found 3/17$381
Mon 3/255:50 amPIT - STL
3 stops15h 30mMultiple Airlines
Tue 3/262:25 pmSTL - PIT
1 stop9h 34mMultiple Airlines
Deal found 3/18$386
Mon 3/2510:14 pmPIT - STL
3 stops17h 36mMultiple Airlines
Wed 3/279:08 pmSTL - PIT
2 stops14h 27mMultiple Airlines
Deal found 3/18$400
Thu 3/289:54 pmPIT - STL
3 stops41h 56mMultiple Airlines
Tue 4/22:25 pmSTL - PIT
3 stops29h 53mMultiple Airlines
Deal found 3/17$415

One-way flights to St. Louis from Pittsburgh

Search for one-way flight options from Pittsburgh to St. Louis. 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 3,145,932 searches. Data last updated March 19, 2024.
Some of the best available deals we've found on one-way flights from Pittsburgh to St. Louis. Users in need of a round-trip flight from Pittsburgh to St. Louis instead should update the search form at the top of page.
Fri 4/269:15 pmPIT - STL
1 stop21h 19mSpirit Airlines
Deal found 3/17$101
Sun 4/77:30 amPIT - STL
1 stop12h 20mSpirit Airlines
Deal found 3/18$102
Sun 4/79:54 pmPIT - STL
1 stop19h 51mSpirit Airlines
Deal found 3/17$111
Sun 4/710:14 pmPIT - STL
2 stops19h 31mSpirit Airlines
Deal found 3/17$128
Sun 4/710:14 pmPIT - STL
2 stops19h 31mSpirit Airlines
Deal found 3/18$130
Sun 4/72:24 pmPIT - STL
3 stops27h 21mSpirit Airlines
Deal found 3/17$162
Sun 4/72:24 pmPIT - STL
3 stops27h 21mSpirit Airlines
Deal found 3/18$165
Sun 3/248:15 pmPIT - STL
1 stop15h 08mMultiple Airlines
Deal found 3/17$216
Thu 3/215:20 amPIT - STL
1 stop7h 57mMultiple Airlines
Deal found 3/18$218

Find flights from Pittsburgh to St. Louis within your budget

Customize your flight search to find flights from Pittsburgh to St. Louis 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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$119 - $384

Route

Depart

Return

Price

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Tue 4/23

1 stop21h 06m

Lambert-St Louis

Wed 4/24

1 stop15h 37m

$119

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Tue 4/16

1 stop21h 06m

Lambert-St Louis

Tue 4/23

1 stop26h 18m

$164

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Tue 6/4

1 stop8h 40m

Lambert-St Louis

Wed 6/5

1 stop8h 20m

$182

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Sun 4/14

1 stop22h 11m

Lambert-St Louis

Wed 4/17

1 stop15h 17m

$188

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Sat 4/27

1 stop15h 47m

Lambert-St Louis

Mon 4/29

1 stop25h 30m

$199

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Sat 5/11

1 stop5h 58m

Lambert-St Louis

Tue 5/14

1 stop7h 26m

$213

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Sun 4/7

1 stop12h 20m

Lambert-St Louis

Mon 4/8

1 stop6h 24m

$218

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Mon 4/1

1 stop5h 12m

Lambert-St Louis

Sun 4/14

1 stop5h 51m

$329

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Tue 4/16

2 stops12h 44m

Lambert-St Louis

Tue 4/23

2 stops15h 01m

$384

Flights are sorted by cheapest first

Deals found on 3/18

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

Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to St. Louis. Price data was last updated on January 28, 2024.
Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pittsburgh to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Pittsburgh to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Pittsburgh to St. Louis. Price data was last updated on March 17, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Pittsburgh to St. Louis flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Pittsburgh to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Pittsburgh to St. Louis is currently $148 while a round-trip flight costs $222. Price data was last updated on March 10, 2024.

Currently, September is the cheapest month in which you can book a flight from Pittsburgh to St. Louis (average of $323). Flying from Pittsburgh to St. Louis in June is currently the most expensive (average of $386). 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

$326

February

$331

March

$358

April

$356

May

$358

June

$386

July

$382

August

$336

September

$323

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

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

STL

Temperature

32 - 80.6 °F

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated March 19, 2024.
Read through reviews of airlines operating flights from Pittsburgh to St. Louis, such as American Airlines, Spirit Airlines and Frontier. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,150 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.4

Overall

8.1

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

8.1
Very good
9,150 reviews
8.1
Very good
9,150 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.4

Overall

8.1

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

8.1
Very good
11,551 reviews
8.1
Very good
9,150 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.4

Overall

8.1

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.4
Good
11,602 reviews
8.1
Very good
9,150 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.4

Overall

8.1

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.3
Good
15,312 reviews
8.1
Very good
9,150 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.4

Overall

8.1

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

6.5
Okay
8,875 reviews
8.1
Very good
9,150 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.4

Overall

8.1

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh to St. Louis. 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 Pittsburgh to St. Louis?

    You will need to book a flight from Pittsburgh to Lambert-St Louis if you want to fly from Pittsburgh to St. Louis. At least 4 different airlines have flights from Pittsburgh (PIT) to Lambert-St Louis (STL) on a regular basis. There is 1 flight to St. Louis from the Pittsburgh airport per day. If you manage to book one that is nonstop, then you can expect the flight time from PIT to STL to be around 4h 50m.

  • Can I find flights from Pittsburgh to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from Pittsburgh to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $119, but on average you can expect to pay $216.

  • Are there last-minute flights available from Pittsburgh to St. Louis for under $300?

    There are currently 20+ open flights from Pittsburgh to St. Louis within the next 7 days for less than $300.

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

    Frontier, at $119, was found to be the cheapest airline from Pittsburgh to St. Louis.Alternate airlines to your destination round-trip include American Airlines and Spirit Airlines. Users have found that Frontier is 62% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Pittsburgh to St. Louis one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $101. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Pittsburgh to St. Louis for a low price.

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

  • What does PIT to STL mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Pittsburgh Airport to Lambert-St Louis Airport flight would often be abbreviated as a PIT to STL flight.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Pittsburgh to St. Louis

Discover the top 4 airlines that operate flights from Pittsburgh to St. Louis. 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 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$147Average$270FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$221Average$287FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$228Average$414FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$252Average$347FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from Pittsburgh to St. Louis by cabin class

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

Hourly flight availability from Pittsburgh to St. Louis

Find hourly flight availability from Pittsburgh to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 19, 2024.
0%of flight departuresEarly morningMidnight to 6 am
40%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
60%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Pittsburgh to St. Louis

Explore weekly flight availability from Pittsburgh to St. Louis. 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 March 19, 2024.
Sunday2daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday1daily flight

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pittsburgh to St. Louis?

Deals for Pittsburgh to St. Louis flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. Louis from Pittsburgh.

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

Need flexible booking options for your flight to St. Louis from Pittsburgh? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Pittsburgh to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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