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Cheap flight deals from Philadelphia to St. Louis Starting at AED 198

For as little as AED 198, you can take your next adventure to St. Louis without breaking the bank. Choose between one-way and return tickets from Philadelphia below.

  • One way
  • Round-trip
      • Cheapest nonstop
        PHL08:10
        2h 25m
        Nonstop
        STL09:35
        Tue, Mar 25|Philadelphia - St. Louis|Southwest Airlines
        AED 615AED 800
        23% OFF
        23% OFF
        AED 800AED 615

        Choose Southwest Airlines flights from Philadelphia to St. Louis. The one-way direct flight with Southwest Airlines departs from Philadelphia International Airport on Tue, Mar 25, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 615 including taxes and charges.

      • PHL07:20
        2h 45m
        Nonstop
        STL09:05
        Mon, Mar 3|Philadelphia - St. Louis|Southwest Airlines
        AED 616AED 800
        23% OFF
        23% OFF
        AED 800AED 616

        Choose Southwest Airlines flights from Philadelphia to St. Louis. The one-way direct flight with Southwest Airlines departs from Philadelphia International Airport on Mon, Mar 3, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 616 including taxes and charges.

      • PHL16:16
        8h 33m
        1 stop
        STL23:49
        Mon, Mar 10|Philadelphia - St. Louis|Frontier Airlines
        AED 198AED 800
        75% OFF
        75% OFF
        AED 800AED 198

        Choose Frontier Airlines flights from Philadelphia to St. Louis. The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Mon, Mar 10, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 198 including taxes and charges.

      • PHL16:16
        8h 33m
        1 stop
        STL23:49
        Mon, Mar 17|Philadelphia - St. Louis|Frontier Airlines
        AED 199
        AED 199

        Choose Frontier Airlines flights from Philadelphia to St. Louis. The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Mon, Mar 17, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 199 including taxes and charges.

      • PHL16:23
        8h 20m
        1 stop
        STL23:43
        Sat, Mar 1|Philadelphia - St. Louis|Frontier Airlines
        AED 200
        AED 200

        Choose Frontier Airlines flights from Philadelphia to St. Louis. The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Sat, Mar 1, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 200 including taxes and charges.

      • PHL16:23
        8h 20m
        1 stop
        STL23:43
        Tue, Mar 4|Philadelphia - St. Louis|Frontier Airlines
        AED 201
        AED 201

        Choose Frontier Airlines flights from Philadelphia to St. Louis. The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Tue, Mar 4, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 201 including taxes and charges.

      • PHL07:45
        10h 58m
        1 stop
        STL17:43
        Wed, Mar 5|Philadelphia - St. Louis|Frontier Airlines
        AED 201
        AED 201

        Choose Frontier Airlines flights from Philadelphia to St. Louis. The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Wed, Mar 5, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 201 including taxes and charges.

      • PHL16:16
        8h 33m
        1 stop
        STL23:49
        Thu, Mar 13|Philadelphia - St. Louis|Frontier Airlines
        AED 201
        AED 201

        Choose Frontier Airlines flights from Philadelphia to St. Louis. The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Thu, Mar 13, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 201 including taxes and charges.

      • PHL16:23
        8h 20m
        1 stop
        STL23:43
        Tue, Feb 25|Philadelphia - St. Louis|Frontier Airlines
        AED 204
        AED 204

        Choose Frontier Airlines flights from Philadelphia to St. Louis. The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Tue, Feb 25, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 204 including taxes and charges.

      • PHL16:16
        8h 30m
        1 stop
        STL23:46
        Thu, Apr 3|Philadelphia - St. Louis|Frontier Airlines
        AED 213
        AED 213

        Choose Frontier Airlines flights from Philadelphia to St. Louis. The one-way connecting flight with Frontier Airlines departs from Philadelphia International Airport on Thu, Apr 3, arriving at St. Louis Lambert International Airport. One-way Prices start from AED 213 including taxes and charges.

      • PHL01:00 pm
        3h 5m
        Nonstop
        STL02:00 pm
        Sat, Feb 22|Philadelphia - St. Louis|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.

Philadelphia to St. Louis flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. F92415

    Frontier Airlines

    05:15

    PHL

    2.6h

    07:54

    MCO

    SMTWTFS
    Search

  2. F92635

    Frontier Airlines

    21:56

    MCO

    2.8h

    23:43

    STL

    SMTWTFS

  3. NK3998

    Spirit Airlines

    05:15

    PHL

    2.7h

    07:58

    MCO

    SMTWTFS
    Search

  4. F92635

    Frontier Airlines

    21:56

    MCO

    2.8h

    23:43

    STL

    SMTWTFS

  5. F92593

    Frontier Airlines

    06:45

    TTN

    2.7h

    09:25

    MCO

    SMTWTFS
    Search

  6. F92635

    Frontier Airlines

    21:56

    MCO

    2.8h

    23:43

    STL

    SMTWTFS

  7. F91807

    Frontier Airlines

    08:41

    PHL

    2.8h

    11:29

    MCO

    SMTWTFS
    Search

  8. F92635

    Frontier Airlines

    21:56

    MCO

    2.8h

    23:43

    STL

    SMTWTFS

  9. F92507

    Frontier Airlines

    11:40

    PHL

    2.7h

    14:23

    MCO

    SMTWTFS
    Search

  10. F92635

    Frontier Airlines

    21:56

    MCO

    2.8h

    23:43

    STL

    SMTWTFS

  11. F92013

    Frontier Airlines

    13:42

    TTN

    2.8h

    16:27

    MCO

    SMTWTFS
    Search

  12. F92635

    Frontier Airlines

    21:56

    MCO

    2.8h

    23:43

    STL

    SMTWTFS

  13. F92505

    Frontier Airlines

    16:33

    PHL

    2.7h

    19:15

    MCO

    SMTWTFS
    Search

  14. F92635

    Frontier Airlines

    21:56

    MCO

    2.8h

    23:43

    STL

    SMTWTFS

  15. F93265

    Frontier Airlines

    18:42

    PHL

    4.5h

    21:09

    DEN

    S--WT-S
    Search

  16. F93302

    Frontier Airlines

    06:00

    DEN

    2.1h

    09:09

    STL

    SMT-TFS

  17. F91601

    Frontier Airlines

    19:03

    PHL

    5.6h

    21:37

    LAS

    SMTWTFS
    Search

  18. F92018

    Frontier Airlines

    06:00

    LAS

    3.2h

    11:10

    STL

    -MTWTFS

  19. F94169

    Frontier Airlines

    22:59

    PHL

    2.6h

    01:36

    MCO

    SM-WT-S
    Search

  20. F92635

    Frontier Airlines

    21:56

    MCO

    2.8h

    23:43

    STL

    SMTWTFS
Find more flights and airlines

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

These price trend charts carefully monitor and predict how flight prices from Philadelphia to St. Louis will change. Keep a close eye on them to understand when the best time to buy your tickets is.

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 Philadelphia (PHL) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from Philadelphia to St. Louis 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 Philadelphia (PHL) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around AED 1,126.

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

    It takes about 2 hours 39 minutes to fly from Philadelphia (PHL) to St. Louis (STL).

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St.Louis Lambert International Airport to downtown is about 20 km, by taxi about 40 minutes.

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

    Airlines with flights from Philadelphia (PHL) to St. Louis (STL): American Airlines, Southwest Airlines, British Airways, Iberia and Qatar Airways.

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

    American Airlines operates 1 non-stop flights from Philadelphia (PHL) to St. Louis (STL).

  • How many airports are there in St. Louis (STL)?

    There are 1 airport(s) near St. Louis (STL): St.Louis Lambert International Airport.

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

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
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Philadelphia to St. Louis

Cheapest direct flight priceAED 198
Cheapest return ticket priceAED 828
Off-season for travelJanuary
Peak season for travelMay
Flight distance1,293.47 km
Average flight time2 hours 39 minutes
Popular airlineAmerican Airlines

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