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Cheap flight deals from St. Louis to Pittsburgh Starting at MYR 519

Whether you’re going for a one-way or round-trip to Pittsburgh, we’ve got you covered! Check out these different flight options from St. Louis below.

  • One way
  • Round-trip
      • Cheapest nonstop
        STL12:45
        1h 35m
        Nonstop
        PIT15:20
        Wed, Apr 23|St. Louis - Pittsburgh|Southwest Airlines
        MYR 556MYR 770
        28% OFF
        28% OFF
        MYR 770MYR 556

        Choose Southwest Airlines flights from St. Louis to Pittsburgh. The one-way direct flight with Southwest Airlines departs from St. Louis Lambert International Airport on Wed, Apr 23, arriving at Pittsburgh International Airport. One-way Prices start from MYR 556 including taxes and charges.

      • STL07:35
        13h 11m
        1 stop
        PIT21:46
        Wed, Apr 23|St. Louis - Pittsburgh|American Airlines
        MYR 519MYR 770
        33% OFF
        33% OFF
        MYR 770MYR 519

        Choose American Airlines flights from St. Louis to Pittsburgh. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Wed, Apr 23, arriving at Pittsburgh International Airport. One-way Prices start from MYR 519 including taxes and charges.

      • STL19:07
        4h
        1 stop
        PIT00:07
        Sun, Feb 23|St. Louis - Pittsburgh|Delta Air Lines
        MYR 545MYR 770
        28% OFF
        28% OFF
        MYR 770MYR 545

        Choose Delta Air Lines flights from St. Louis to Pittsburgh. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Sun, Feb 23, arriving at Pittsburgh International Airport. One-way Prices start from MYR 545 including taxes and charges.

      • STL16:40
        6h 27m
        1 stop
        PIT00:07
        Mon, Feb 24|St. Louis - Pittsburgh|Delta Air Lines
        MYR 558
        MYR 558

        Choose Delta Air Lines flights from St. Louis to Pittsburgh. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Mon, Feb 24, arriving at Pittsburgh International Airport. One-way Prices start from MYR 558 including taxes and charges.

      • STL19:12
        4h 5m
        1 stop
        PIT00:17
        Thu, Apr 10|St. Louis - Pittsburgh|Delta Air Lines
        MYR 563
        MYR 563

        Choose Delta Air Lines flights from St. Louis to Pittsburgh. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Thu, Apr 10, arriving at Pittsburgh International Airport. One-way Prices start from MYR 563 including taxes and charges.

      • STL17:30
        5h 50m
        1 stop
        PIT00:20
        Wed, Mar 12|St. Louis - Pittsburgh|Delta Air Lines
        MYR 566
        MYR 566

        Choose Delta Air Lines flights from St. Louis to Pittsburgh. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Wed, Mar 12, arriving at Pittsburgh International Airport. One-way Prices start from MYR 566 including taxes and charges.

      • STL17:30
        5h 50m
        1 stop
        PIT00:20
        Tue, Mar 11|St. Louis - Pittsburgh|Delta Air Lines
        MYR 567
        MYR 567

        Choose Delta Air Lines flights from St. Louis to Pittsburgh. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Tue, Mar 11, arriving at Pittsburgh International Airport. One-way Prices start from MYR 567 including taxes and charges.

      • STL06:50
        5h 35m
        1 stop
        PIT13:25
        Sat, Mar 29|St. Louis - Pittsburgh|Delta Air Lines
        MYR 567
        MYR 567

        Choose Delta Air Lines flights from St. Louis to Pittsburgh. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Sat, Mar 29, arriving at Pittsburgh International Airport. One-way Prices start from MYR 567 including taxes and charges.

      • STL16:40
        6h 27m
        1 stop
        PIT00:07
        Fri, Feb 21|St. Louis - Pittsburgh|Delta Air Lines
        MYR 567
        MYR 567

        Choose Delta Air Lines flights from St. Louis to Pittsburgh. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Fri, Feb 21, arriving at Pittsburgh International Airport. One-way Prices start from MYR 567 including taxes and charges.

      • STL19:12
        4h 5m
        1 stop
        PIT00:17
        Mon, Apr 7|St. Louis - Pittsburgh|Delta Air Lines
        MYR 567
        MYR 567

        Choose Delta Air Lines flights from St. Louis to Pittsburgh. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Mon, Apr 7, arriving at Pittsburgh International Airport. One-way Prices start from MYR 567 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        PIT02:00 pm
        Fri, Feb 28|St. Louis - Pittsburgh|Southwest Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

St. Louis to Pittsburgh flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL1524

    Delta Air Lines

    06:00

    STL

    1.6h

    08:38

    ATL

    SMTWTFS
    Search

  2. DL1363

    Delta Air Lines

    10:12

    ATL

    1.7h

    11:56

    PIT

    SMTWTFS

  3. UA4183

    United Airlines

    08:00

    STL

    1.4h

    09:22

    ORD

    SMTWTFS
    Search

  4. UA2217

    United Airlines

    10:35

    ORD

    1.6h

    13:09

    PIT

    SMTWTFS

  5. AA2493

    American Airlines

    08:59

    STL

    1.9h

    11:50

    CLT

    SMTWTFS
    Search

  6. AA2307

    American Airlines

    14:46

    CLT

    1.4h

    16:07

    PIT

    SMTWTFS

  7. DL1571

    Delta Air Lines

    10:10

    STL

    1.6h

    12:46

    ATL

    SMTWTFS
    Search

  8. DL1568

    Delta Air Lines

    15:25

    ATL

    1.7h

    17:08

    PIT

    SMTWTFS

  9. UA4426

    United Airlines

    10:39

    STL

    1.4h

    12:05

    ORD

    SMTWTFS
    Search

  10. UA2207

    United Airlines

    14:15

    ORD

    1.6h

    16:53

    PIT

    SMTWTFS

  11. DL1289

    Delta Air Lines

    11:50

    STL

    1.6h

    14:27

    DTW

    SMTWTFS
    Search

  12. DL3698

    Delta Air Lines

    16:10

    DTW

    1.2h

    17:22

    PIT

    SMTWT-S

  13. WN1466

    Southwest Airlines

    13:55

    STL

    1.6h

    Nonstop

    16:30

    PIT

    ----T-S
    Search

  14. UA1156

    United Airlines

    17:36

    STL

    1.3h

    18:55

    ORD

    SMTWTFS
    Search

  15. UA3464

    United Airlines

    21:05

    ORD

    1.4h

    23:31

    PIT

    SMTWTFS

  16. UA3424

    United Airlines

    18:26

    STL

    2.6h

    22:04

    EWR

    SMTWTFS
    Search

  17. UA3477

    United Airlines

    21:59

    EWR

    1.7h

    23:40

    PIT

    SMTWTFS

  18. DL1393

    Delta Air Lines

    19:10

    STL

    1.7h

    21:50

    ATL

    S--WT-S
    Search

  19. DL1351

    Delta Air Lines

    21:30

    ATL

    1.7h

    23:12

    PIT

    SMTWTFS
Find more flights and airlines

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

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Pittsburgh from St. Louis have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from St. Louis (STL) to Pittsburgh (PIT) the cheapest?

    Airlines adjust prices for flights from St. Louis to Pittsburgh based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Pittsburgh (PIT) cost?

    According to Trip.com's data, the lowest price is around MYR 1,587.

  • How long does it take to fly from St. Louis (STL) to Pittsburgh (PIT)?

    It takes about 1 hour 35 minutes to fly from St. Louis (STL) to Pittsburgh (PIT).

  • What is the transportation method from the main airport to downtown in Pittsburgh?

    • The distance from Pittsburgh International Airport to downtown is about 21 km, by taxi about 40 minutes.

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

    Airlines with flights from St. Louis (STL) to Pittsburgh (PIT): Southwest Airlines.

  • What's the most popular airline for non-stop flights from St. Louis (STL) to Pittsburgh (PIT)?

    Southwest Airlines operates 1 non-stop flights from St. Louis (STL) to Pittsburgh (PIT).

  • How many airports are there in Pittsburgh (PIT)?

    There are 1 airport(s) near Pittsburgh (PIT): Pittsburgh International Airport.

How to find a cheap flight from St. Louis to Pittsburgh

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Being flexible with your dates to get the cheapest St. Louis to Pittsburgh ticket.
Tap "Date" on flight search bar to scan through the calender for St. Louis to Pittsburgh airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Wed, Apr 23 at MYR 556 for one-way flights.
2
Compare cheap St. Louis to Pittsburgh flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from St. Louis to Pittsburgh. The cheapest airline operating is Southwest Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your St. Louis to Pittsburgh route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap St. Louis to Pittsburgh flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from St. Louis to Pittsburgh to get exclusive deals for you.

Flight Info | St. Louis to Pittsburgh

Cheapest direct flight priceMYR 518
Cheapest return ticket priceMYR 1,333
Off-season for travelJanuary
Peak season for travelNovember
Flight distance897.31 km
Average flight time1 hour 35 minutes
Popular airlineDelta Air Lines

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