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Cheap flights from Pittsburgh to St. Louis (PIT - STL) from $66

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 5/17. 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
May 6 — May 131
From?
To?
Mon 5/6
Mon 5/13
1 adult, Economy
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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 May 1, 2024.

Popular in

February

Cheapest in

April

Round-trip from

$322

One-way from

$118
High demand for flights, 13% potential price rise
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Best time to find cheap flights, 13% potential price drop
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From Pittsburgh to Lambert-St Louis
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One-way flight from Pittsburgh to Lambert-St Louis
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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 28% on your trip compared to booking a flight in the afternoon.

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 2,899,487 searches. Data last updated May 1, 2024.
Take a look at some of the lowest-priced Spirit Airlines flights heading from Pittsburgh to St. Louis. It's recommended that users confirm their flight details before booking.
Tue 5/145:40 amPIT - STL
1 stop8h 57mSpirit Airlines
Thu 5/167:30 pmSTL - PIT
1 stop23h 47mSpirit Airlines
Deal found 4/30$151
Fri 5/179:17 pmPIT - STL
1 stop14h 11mSpirit Airlines
Sun 5/197:30 pmSTL - PIT
1 stop28h 29mSpirit Airlines
Deal found 4/30$168
Thu 5/237:33 amPIT - STL
1 stop12h 07mSpirit Airlines
Tue 5/2810:34 amSTL - PIT
1 stop12h 07mSpirit Airlines
Deal found 4/30$172
Tue 5/145:40 amPIT - STL
1 stop8h 57mSpirit Airlines
Wed 5/1511:36 amSTL - PIT
1 stop12h 22mSpirit Airlines
Deal found 4/30$185
Mon 5/139:17 pmPIT - STL
1 stop17h 20mSpirit Airlines
Thu 5/167:30 pmSTL - PIT
1 stop23h 47mSpirit Airlines
Deal found 4/30$189
Thu 6/68:00 amPIT - STL
1 stop12h 22mSpirit Airlines
Sun 6/96:55 pmSTL - PIT
1 stop16h 57mSpirit Airlines
Deal found 4/30$210
Wed 5/296:54 pmPIT - STL
2 stops23h 35mSpirit Airlines
Wed 6/51:55 pmSTL - PIT
1 stop14h 50mSpirit Airlines
Deal found 5/1$214
Wed 5/298:42 amPIT - STL
3 stops33h 47mSpirit Airlines
Wed 6/51:55 pmSTL - PIT
1 stop14h 50mSpirit Airlines
Deal found 5/1$217
Tue 6/116:40 amPIT - STL
1 stop8h 43mSpirit Airlines
Thu 6/138:12 pmSTL - PIT
1 stop15h 40mSpirit Airlines
Deal found 4/30$218

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 2,899,487 searches. Data last updated May 1, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Pittsburgh to St. Louis. Check back soon if you're not seeing flights that suit your needs.
Fri 8/911:45 amPIT - STL
1 stop9h 02mAmerican Airlines
Wed 8/149:44 amSTL - PIT
1 stop9h 25mAmerican Airlines
Deal found 4/30$202
Thu 8/85:05 amPIT - STL
1 stop4h 14mAmerican Airlines
Tue 8/135:30 amSTL - PIT
1 stop6h 39mAmerican Airlines
Deal found 4/29$275
Thu 9/127:30 amPIT - STL
2 stops10h 47mAmerican Airlines
Mon 9/1610:08 amSTL - PIT
2 stops11h 02mAmerican Airlines
Deal found 4/29$546

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

Find cheap flight options from Pittsburgh to St. Louis specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 1, 2024.
The lowest fares we've come across on flights traveling from Pittsburgh to St. Louis in May and June 2024. More deals are always being added, so be sure to check back regularly.
Tue 5/147:33 amPIT - STL
1 stop7h 04mMultiple Airlines
Wed 5/158:04 pmSTL - PIT
1 stop22h 56mMultiple Airlines
Deal found 4/30$117
Sun 5/198:58 pmPIT - STL
1 stop13h 38mFrontier
Wed 5/228:47 amSTL - PIT
1 stop8h 39mFrontier
Deal found 4/30$137
Thu 5/169:00 pmPIT - STL
1 stop13h 36mFrontier
Mon 5/208:04 pmSTL - PIT
1 stop23h 39mFrontier
Deal found 5/1$147
Tue 5/145:40 amPIT - STL
1 stop8h 57mSpirit Airlines
Thu 5/167:30 pmSTL - PIT
1 stop23h 47mSpirit Airlines
Deal found 4/30$151
Wed 5/297:41 pmPIT - STL
1 stop22h 48mMultiple Airlines
Wed 6/510:36 pmSTL - PIT
1 stop7h 45mMultiple Airlines
Deal found 5/1$153
Fri 5/179:17 pmPIT - STL
1 stop14h 11mSpirit Airlines
Sun 5/197:30 pmSTL - PIT
1 stop28h 29mSpirit Airlines
Deal found 4/30$168
Thu 5/237:33 amPIT - STL
1 stop12h 07mSpirit Airlines
Tue 5/2810:34 amSTL - PIT
1 stop12h 07mSpirit Airlines
Deal found 4/30$172
Tue 5/145:40 amPIT - STL
1 stop8h 57mSpirit Airlines
Wed 5/1511:36 amSTL - PIT
1 stop12h 22mSpirit Airlines
Deal found 4/30$185
Mon 5/139:17 pmPIT - STL
1 stop17h 20mSpirit Airlines
Thu 5/167:30 pmSTL - PIT
1 stop23h 47mSpirit Airlines
Deal found 4/30$189

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 2,899,487 searches. Data last updated May 1, 2024.
The lowest fares we've come across on flights traveling from Pittsburgh to St. Louis in May and June 2024. More deals are always being added, so be sure to check back regularly.
Tue 6/49:43 pmPIT - STL
1 stop12h 47mFrontier
Wed 6/510:36 pmSTL - PIT
1 stop7h 45mFrontier
Deal found 4/29$116
Tue 5/147:33 amPIT - STL
1 stop7h 04mMultiple Airlines
Wed 5/158:04 pmSTL - PIT
1 stop22h 56mMultiple Airlines
Deal found 4/30$117
Sun 5/198:58 pmPIT - STL
1 stop13h 38mFrontier
Wed 5/228:47 amSTL - PIT
1 stop8h 39mFrontier
Deal found 4/30$137
Thu 5/169:00 pmPIT - STL
1 stop13h 36mFrontier
Mon 5/208:04 pmSTL - PIT
1 stop23h 39mFrontier
Deal found 5/1$147
Tue 5/145:40 amPIT - STL
1 stop8h 57mSpirit Airlines
Thu 5/167:30 pmSTL - PIT
1 stop23h 47mSpirit Airlines
Deal found 4/30$151
Wed 5/297:41 pmPIT - STL
1 stop22h 48mMultiple Airlines
Wed 6/510:36 pmSTL - PIT
1 stop7h 45mMultiple Airlines
Deal found 5/1$153
Fri 5/179:17 pmPIT - STL
1 stop14h 11mSpirit Airlines
Sun 5/197:30 pmSTL - PIT
1 stop28h 29mSpirit Airlines
Deal found 4/30$168
Thu 5/237:33 amPIT - STL
1 stop12h 07mSpirit Airlines
Tue 5/2810:34 amSTL - PIT
1 stop12h 07mSpirit Airlines
Deal found 4/30$172
Tue 5/145:40 amPIT - STL
1 stop8h 57mSpirit Airlines
Wed 5/1511:36 amSTL - PIT
1 stop12h 22mSpirit Airlines
Deal found 4/30$185

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 2,899,487 searches. Data last updated May 1, 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.
Wed 5/87:41 pmPIT - STL
1 stop22h 48mSpirit Airlines
Sun 6/96:55 pmSTL - PIT
1 stop16h 57mSpirit Airlines
Deal found 4/30$250
Fri 5/1010:25 pmPIT - STL
1 stop19h 00mMultiple Airlines
Mon 5/138:04 pmSTL - PIT
1 stop15h 37mMultiple Airlines
Deal found 4/30$252
Mon 5/69:15 pmPIT - STL
1 stop13h 29mMultiple Airlines
Wed 5/88:04 pmSTL - PIT
1 stop15h 37mMultiple Airlines
Deal found 4/30$263
Fri 5/109:17 pmPIT - STL
1 stop14h 11mSpirit Airlines
Mon 5/134:05 pmSTL - PIT
3 stops30h 54mSpirit Airlines
Deal found 4/30$310
Fri 5/109:17 pmPIT - STL
2 stops20h 08mSpirit Airlines
Mon 5/134:05 pmSTL - PIT
3 stops30h 03mSpirit Airlines
Deal found 4/30$313
Fri 5/109:17 pmPIT - STL
2 stops20h 08mSpirit Airlines
Mon 5/134:05 pmSTL - PIT
1 stop11h 32mSpirit Airlines
Deal found 4/30$325
Fri 5/1012:27 pmPIT - STL
3 stops28h 58mMultiple Airlines
Mon 5/134:05 pmSTL - PIT
3 stops30h 03mMultiple Airlines
Deal found 4/30$333
Thu 5/96:37 amPIT - STL
1 stop11h 52mSpirit Airlines
Thu 5/97:30 pmSTL - PIT
1 stop23h 47mSpirit Airlines
Deal found 4/30$351
Mon 5/61:27 pmPIT - STL
2 stops21h 17mMultiple Airlines
Wed 5/84:10 pmSTL - PIT
3 stops31h 49mMultiple Airlines
Deal found 4/30$384

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 2,899,487 searches. Data last updated May 1, 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 5/179:17 pmPIT - STL
1 stop14h 11mSpirit Airlines
Deal found 5/1$66
Fri 5/179:17 pmPIT - STL
1 stop14h 11mSpirit Airlines
Deal found 4/30$76
Wed 5/297:41 pmPIT - STL
1 stop22h 48mSpirit Airlines
Deal found 5/1$85
Thu 5/237:33 amPIT - STL
1 stop12h 07mSpirit Airlines
Deal found 4/30$88
Fri 5/175:52 pmPIT - STL
2 stops17h 36mSpirit Airlines
Deal found 5/1$101
Wed 5/296:54 pmPIT - STL
2 stops23h 35mSpirit Airlines
Deal found 5/1$110
Wed 5/298:42 amPIT - STL
3 stops33h 47mSpirit Airlines
Deal found 5/1$113
Thu 7/111:41 pmPIT - STL
1 stop27h 48mSun Country Air
Deal found 4/30$118
Fri 5/1712:27 pmPIT - STL
3 stops28h 58mMultiple Airlines
Deal found 5/1$122

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 2,899,487 searches. Data last updated May 1, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$116 - $288

Route

Depart

Return

Price

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Tue 6/4

1 stop12h 47m

Lambert-St Louis

Wed 6/5

1 stop7h 45m

$116

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Tue 5/14

1 stop7h 04m

Lambert-St Louis

Wed 5/15

1 stop22h 56m

$117

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Sun 5/19

1 stop13h 38m

Lambert-St Louis

Wed 5/22

1 stop8h 39m

$137

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Thu 5/16

1 stop13h 36m

Lambert-St Louis

Mon 5/20

1 stop23h 39m

$147

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Tue 5/14

1 stop8h 57m

Lambert-St Louis

Thu 5/16

1 stop23h 47m

$151

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Wed 5/29

1 stop22h 48m

Lambert-St Louis

Wed 6/5

1 stop7h 45m

$153

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Fri 8/9

1 stop9h 02m

Lambert-St Louis

Wed 8/14

1 stop9h 25m

$202

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Thu 6/27

1 stop23h 59m

Lambert-St Louis

Sun 6/30

1 stop18h 18m

$225

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Sat 6/22

1 stop5h 17m

Lambert-St Louis

Sat 6/29

1 stop5h 45m

$288

Flights are sorted by cheapest first

Deals found on 4/29

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 April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Pittsburgh to St. Louis flight should consider departing on Saturday afternoons when fares are most often at their lowest. Wednesday at noon 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 $98 while a round-trip flight costs $171. Price data was last updated on April 28, 2024.

Currently, September is the cheapest month in which you can book a flight from Pittsburgh to St. Louis (average of $322). Flying from Pittsburgh to St. Louis in July is currently the most expensive (average of $377). 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

$357

April

$337

May

$345

June

$371

July

$377

August

$336

September

$322

October

$324

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 May 1, 2024.
Read through reviews of airlines operating flights from Pittsburgh to St. Louis, such as Spirit Airlines, American Airlines and Sun Country Air. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,115 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Overall

8.1

Food

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
9,115 reviews
Alaska Airlines
8.1
Very good
9,115 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

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

Delta
8.1
Very good
10,874 reviews
Alaska Airlines
8.1
Very good
9,115 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
11,159 reviews
Alaska Airlines
8.1
Very good
9,115 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

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

American Airlines
7.3
Good
14,788 reviews
Alaska Airlines
8.1
Very good
9,115 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Overall

8.1

Food

7.3

Reviews

1 / 10

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

Sun Country Air
7.3
Good
650 reviews
Alaska Airlines
8.1
Very good
9,115 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Overall

8.1

Food

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 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 44m.

  • 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 $116, but on average you can expect to pay $184.

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

    There are currently 15+ 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 $116, was found to be the cheapest airline from Pittsburgh to St. Louis.Alternate airlines to your destination round-trip include Spirit Airlines and American 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 $66. However, be on the lookout for offers from Sun Country Air and Frontier, 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?

    American Airlines, Delta and Spirit Airlines are the most popular airlines when flying 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.

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

    The amount of baggage you can bring on your Pittsburgh to St. Louis 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 Pittsburgh to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Pittsburgh to St. Louis 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 Pittsburgh to St. Louis that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Pittsburgh to St. Louis 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 Pittsburgh to St. Louis that allow pets onboard?

    Many airlines flying from Pittsburgh to St. Louis 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 Pittsburgh to St. Louis?

    Yes, you can often find last-minute deals on Pittsburgh to St. Louis 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 Pittsburgh to St. Louis flight deals updated?

    The Pittsburgh to St. Louis flight deals you see on this page were last updated on 5/1.

See more FAQs

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

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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 2,899,487 searches. Data last updated May 1, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$147Average$270FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$226Average$292FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$247Average$341FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$286Average$414FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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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.
First Class
Business Class
Prem Econ Class
Economy 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 May 1, 2024.
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
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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 May 1, 2024.
Sunday2daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday1daily flight

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