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Cheap flights from Pittsburgh to St. Louis (PIT - STL) from $67

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 9/7. 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
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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The best prices from Pittsburgh to Lambert-St Louis are usually found in December or September, booked 83 days in advance, depart on a Tuesday or Thursday 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 30, 2024.

Popular in

May

Cheapest in

December

Round-trip from

$319

One-way from

$148
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 17% 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?

Saturday 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 53 days before your planned departure. Booking around this time can save you about 114% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $404 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $465.

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

Flights from Pittsburgh to St. Louis lean towards being more expensive in May. Prices are generally better when you fly from Pittsburgh to St. Louis in December, with the cheapest ticket starting at $232.

What is the cheapest time of day to fly from PIT to 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 at noon.

Cheap Frontier flights from Pittsburgh to St. Louis

Explore cheap flight options specifically provided by Frontier 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 2,784,634 searches. Data last updated May 30, 2024.
Take a look at some of the lowest-priced Frontier flights heading from Pittsburgh to St. Louis. It's recommended that users confirm their flight details before booking.
Thu 7/117:15 pmPIT - STL
1 stop15h 10mFrontier
Mon 7/159:32 pmSTL - PIT
1 stop8h 43mFrontier
Deal found 5/29$186
Fri 5/318:06 amPIT - STL
1 stop5h 14mFrontier
Sat 6/18:57 amSTL - PIT
1 stop8h 09mFrontier
Deal found 5/29$302

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 2,784,634 searches. Data last updated May 30, 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.
Wed 6/2610:25 pmPIT - STL
1 stop20h 03mSpirit Airlines
Sat 6/296:22 pmSTL - PIT
1 stop6h 12mSpirit Airlines
Deal found 5/29$191
Wed 8/287:33 amPIT - STL
1 stop15h 41mSpirit Airlines
Tue 9/32:35 pmSTL - PIT
1 stop26h 31mSpirit Airlines
Deal found 5/29$223
Tue 7/165:48 amPIT - STL
1 stop5h 36mSpirit Airlines
Wed 7/174:02 pmSTL - PIT
2 stops11h 49mSpirit Airlines
Deal found 5/29$267
Tue 6/47:33 amPIT - STL
1 stop7h 04mSpirit Airlines
Thu 6/68:12 pmSTL - PIT
1 stop15h 40mSpirit Airlines
Deal found 5/29$299
Mon 6/1710:25 pmPIT - STL
1 stop16h 58mSpirit Airlines
Sat 6/226:22 pmSTL - PIT
1 stop6h 12mSpirit Airlines
Deal found 5/29$319
Wed 6/2610:25 pmPIT - STL
2 stops21h 57mSpirit Airlines
Sat 6/296:22 pmSTL - PIT
2 stops21h 23mSpirit Airlines
Deal found 5/29$323
Fri 6/76:50 amPIT - STL
1 stop28h 44mSpirit Airlines
Sun 6/95:22 pmSTL - PIT
1 stop27h 03mSpirit Airlines
Deal found 5/29$342
Sat 7/66:40 amPIT - STL
1 stop11h 48mSpirit Airlines
Sun 7/75:22 pmSTL - PIT
2 stops18h 30mSpirit Airlines
Deal found 5/29$345
Tue 6/45:40 amPIT - STL
1 stop8h 57mSpirit Airlines
Thu 6/68:12 pmSTL - PIT
2 stops19h 12mSpirit Airlines
Deal found 5/29$351

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 2,784,634 searches. Prices were last updated on May 30, 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.
Thu 6/2010:38 pmPIT - STL
1 stop12h 02mFrontier
Wed 6/2610:36 pmSTL - PIT
1 stop7h 28mFrontier
Deal found 5/30$161
Wed 6/2610:25 pmPIT - STL
1 stop20h 03mSpirit Airlines
Sat 6/296:22 pmSTL - PIT
1 stop6h 12mSpirit Airlines
Deal found 5/30$179
Thu 6/610:38 pmPIT - STL
1 stop12h 02mMultiple Airlines
Sun 6/96:55 pmSTL - PIT
1 stop16h 57mMultiple Airlines
Deal found 5/29$262
Wed 6/2610:25 pmPIT - STL
2 stops21h 57mSpirit Airlines
Sat 6/2911:34 amSTL - PIT
2 stops13h 00mSpirit Airlines
Deal found 5/30$284
Wed 6/2610:25 pmPIT - STL
2 stops21h 57mSpirit Airlines
Sat 6/2911:34 amSTL - PIT
2 stops13h 00mSpirit Airlines
Deal found 5/30$286
Wed 6/266:40 amPIT - STL
3 stops29h 50mMultiple Airlines
Sat 6/2911:34 amSTL - PIT
2 stops13h 00mMultiple Airlines
Deal found 5/30$290
Tue 6/47:33 amPIT - STL
1 stop7h 04mSpirit Airlines
Thu 6/68:12 pmSTL - PIT
1 stop15h 40mSpirit Airlines
Deal found 5/29$299
Fri 5/318:06 amPIT - STL
1 stop5h 14mFrontier
Sat 6/18:57 amSTL - PIT
1 stop8h 09mFrontier
Deal found 5/29$302
Fri 6/215:07 amPIT - STL
1 stop4h 26mAmerican Airlines
Fri 6/285:15 amSTL - PIT
1 stop6h 49mAmerican Airlines
Deal found 5/30$305

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 2,784,634 searches. Data last updated May 30, 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.
Thu 6/2010:38 pmPIT - STL
1 stop12h 02mFrontier
Wed 6/2610:36 pmSTL - PIT
1 stop7h 28mFrontier
Deal found 5/30$161
Tue 7/165:48 amPIT - STL
1 stop5h 36mMultiple Airlines
Wed 7/178:02 pmSTL - PIT
1 stop21h 13mMultiple Airlines
Deal found 5/29$177
Wed 6/2610:25 pmPIT - STL
1 stop20h 03mSpirit Airlines
Sat 6/296:22 pmSTL - PIT
1 stop6h 12mSpirit Airlines
Deal found 5/30$179
Thu 7/117:15 pmPIT - STL
1 stop15h 10mFrontier
Mon 7/159:32 pmSTL - PIT
1 stop8h 43mFrontier
Deal found 5/29$186
Sat 7/67:55 amPIT - STL
1 stop7h 24mMultiple Airlines
Sun 7/76:15 pmSTL - PIT
1 stop17h 40mMultiple Airlines
Deal found 5/29$219
Wed 8/287:33 amPIT - STL
1 stop15h 41mSpirit Airlines
Tue 9/32:35 pmSTL - PIT
1 stop26h 31mSpirit Airlines
Deal found 5/29$223
Wed 8/287:33 amPIT - STL
1 stop15h 41mMultiple Airlines
Tue 9/34:10 pmSTL - PIT
3 stops27h 27mMultiple Airlines
Deal found 5/29$224
Tue 7/165:48 amPIT - STL
1 stop5h 36mMultiple Airlines
Wed 7/1712:15 pmSTL - PIT
3 stops11h 44mMultiple Airlines
Deal found 5/29$250
Thu 6/610:38 pmPIT - STL
1 stop12h 02mMultiple Airlines
Sun 6/96:55 pmSTL - PIT
1 stop16h 57mMultiple Airlines
Deal found 5/29$262

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 2,784,634 searches. Data last updated May 30, 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.
Thu 6/610:38 pmPIT - STL
1 stop12h 02mMultiple Airlines
Sun 6/96:55 pmSTL - PIT
1 stop16h 57mMultiple Airlines
Deal found 5/29$262
Tue 6/47:33 amPIT - STL
1 stop7h 04mSpirit Airlines
Thu 6/68:12 pmSTL - PIT
1 stop15h 40mSpirit Airlines
Deal found 5/29$299
Fri 5/318:06 amPIT - STL
1 stop5h 14mFrontier
Sat 6/18:57 amSTL - PIT
1 stop8h 09mFrontier
Deal found 5/29$302
Fri 6/76:50 amPIT - STL
1 stop28h 44mSpirit Airlines
Sun 6/95:22 pmSTL - PIT
1 stop27h 03mSpirit Airlines
Deal found 5/29$342
Tue 6/45:40 amPIT - STL
1 stop8h 57mSpirit Airlines
Thu 6/68:12 pmSTL - PIT
2 stops19h 12mSpirit Airlines
Deal found 5/29$351
Tue 6/47:33 amPIT - STL
1 stop7h 04mMultiple Airlines
Tue 6/44:10 pmSTL - PIT
3 stops26h 41mMultiple Airlines
Deal found 5/29$367
Fri 6/75:45 pmPIT - STL
2 stops17h 49mSpirit Airlines
Sun 6/96:55 pmSTL - PIT
1 stop16h 57mSpirit Airlines
Deal found 5/29$369
Tue 6/45:40 amPIT - STL
1 stop8h 57mSpirit Airlines
Thu 6/68:12 pmSTL - PIT
3 stops24h 55mSpirit Airlines
Deal found 5/29$386
Fri 6/78:00 amPIT - STL
3 stops27h 34mMultiple Airlines
Sun 6/96:55 pmSTL - PIT
1 stop16h 57mMultiple Airlines
Deal found 5/29$397

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 2,784,634 searches. Data last updated May 30, 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.
Sat 9/76:37 amPIT - STL
1 stop11h 53mSpirit Airlines
Deal found 5/29$67
Sat 9/78:29 amPIT - STL
2 stops10h 01mSpirit Airlines
Deal found 5/29$89
Sun 9/86:37 amPIT - STL
1 stop11h 53mSpirit Airlines
Deal found 5/29$109
Sat 9/74:56 pmPIT - STL
3 stops25h 34mSpirit Airlines
Deal found 5/29$145
Sun 9/810:25 pmPIT - STL
2 stops24h 49mSpirit Airlines
Deal found 5/29$148
Tue 6/49:43 pmPIT - STL
1 stop12h 46mFrontier
Deal found 5/29$165
Tue 6/47:41 pmPIT - STL
3 stops20h 09mMultiple Airlines
Deal found 5/29$271
Tue 6/48:11 amPIT - STL
2 stops12h 19mAmerican Airlines
Deal found 5/29$294

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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$177 - $441

Route

Depart

Return

Price

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Tue 7/16

1 stop5h 36m

Lambert-St Louis

Wed 7/17

1 stop21h 13m

$177

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Thu 7/11

1 stop15h 10m

Lambert-St Louis

Mon 7/15

1 stop8h 43m

$186

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Wed 6/26

1 stop20h 03m

Lambert-St Louis

Sat 6/29

1 stop6h 12m

$191

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Sat 7/6

1 stop7h 24m

Lambert-St Louis

Sun 7/7

1 stop17h 40m

$219

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Wed 8/28

1 stop15h 41m

Lambert-St Louis

Tue 9/3

1 stop26h 31m

$223

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Wed 8/28

1 stop15h 41m

Lambert-St Louis

Tue 9/3

3 stops27h 27m

$224

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Tue 10/8

1 stop9h 00m

Lambert-St Louis

Sun 10/13

1 stop4h 13m

$266

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Tue 7/16

1 stop5h 36m

Lambert-St Louis

Wed 7/17

2 stops11h 49m

$267

PittsburghLambert-St Louis

PIT - STL

PITSTL

Pittsburgh

Tue 10/8

2 stops10h 44m

Lambert-St Louis

Sun 10/13

1 stop5h 06m

$441

Flights are sorted by cheapest first

Deals found on 5/29

How far ahead should I 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 May 24, 2024.
Booking 83 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

What is the cheapest day 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 May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Pittsburgh to St. Louis flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday 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 Pittsburgh to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Pittsburgh 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 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 30, 2024.
Read through reviews of airlines operating flights from Pittsburgh to St. Louis, such as Frontier, Spirit Airlines 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
9,201 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,201 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,457 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,777 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,284 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Spirit Airlines
6.4
Okay
8,616 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Crew

8.6

Food

7.3

Entertainment

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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 11m.

  • 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 Multiple Airlines for just $177, but on average you can expect to pay $287.

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

    Days when nonstop flights are available for this flight are: Saturday.

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

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

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

    Frontier, Spirit Airlines, and American Airlines can get you from Pittsburgh to St. Louis in just under 9h. Your travel time can differ by up to 11h 03m. Airlines will cover a distance of 555 mi. This flight may include one or multiple stops.

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

    Frontier, at $186, 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 43% 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 $67. However, be on the lookout for offers from Frontier and American Airlines, as they are both options that can get you from Pittsburgh to St. Louis for a low price.

  • 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 5/30.

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

    Currently, September is the cheapest month in which you can book a flight from Pittsburgh to St. Louis (average of $319). Flying from Pittsburgh to St. Louis in July is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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

LaGuardia to St. Louis flights
John F Kennedy Intl to St. Louis flights
John F Kennedy Intl to Kansas City flights
Newark to St. Louis flights
LaGuardia to Kansas City flights
Newark to Kansas City flights
Dulles Intl to St. Louis flights
Dulles Intl to Kansas City flights
Reagan-National to St. Louis flights
Reagan-National to Kansas City flights
Philadelphia to St. Louis flights
Philadelphia to Kansas City flights
John F Kennedy Intl to Springfield flights
Newark to Springfield flights
LaGuardia to Springfield flights
Dulles Intl to Springfield flights
Pittsburgh to Kansas City flights
Reagan-National to Springfield flights
Philadelphia to Springfield flights
Allentown to St. Louis flights
Harrisburg to Kansas City flights
Pittsburgh to Springfield flights
Harrisburg to Springfield flights
Allentown to Kansas City flights
Harrisburg to St. Louis flights
Elmira to Kansas City flights
Allentown to Springfield flights
John F Kennedy Intl to Columbia flights
Newark to Columbia flights
LaGuardia to Columbia flights
Philadelphia to Columbia flights
Reagan-National to Joplin flights
Dulles Intl to Joplin flights
Scranton to Kansas City flights
Elmira to St. Louis flights
Dulles Intl to Columbia flights
Reagan-National to Columbia flights
Newark to Joplin flights
LaGuardia to Joplin flights
Newark to Quincy flights
Scranton to St. Louis flights
State College to Kansas City flights
Philadelphia to Branson flights
Scranton to Springfield flights
Philadelphia to Joplin flights
State College to St. Louis flights
Pittsburgh to Joplin flights
Dulles Intl to Branson flights
Newark to Fort Leonard Wood flights

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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$147Average$266FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$222Average$296FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$246Average$347FlexibilityNo 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.
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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 30, 2024.
1%of flight departuresEarly morningMidnight to 6 am
83%of flight departuresMorning6 am to noon
16%of flight departuresAfternoonNoon to 6 pm
0%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 May 30, 2024.
Sunday2daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday1daily flight

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