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Philadelphia International Airport to St. Louis Lambert International Airport flight
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Cheap Flight Deals from Philadelphia International Airport to St. Louis Lambert International Airport

Search for flights from Philadelphia to St. Louis and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • PHL06:30
        2h 27m
        Direct
        STL07:57
        Philadelphia - St. Louis|Wed, May 22|Frontier Airlines
        CAD 38CAD 70
        46% OFF
        46% OFF
        CAD 70CAD 38
      • PHL06:30
        2h 27m
        Direct
        STL07:57
        Philadelphia - St. Louis|Wed, May 29|Frontier Airlines
        CAD 38CAD 70
        46% OFF
        46% OFF
        CAD 70CAD 38
      • PHL06:30
        2h 27m
        Direct
        STL07:57
        Philadelphia - St. Louis|Sat, May 25|Frontier Airlines
        CAD 38CAD 70
        46% OFF
        46% OFF
        CAD 70CAD 38
      • PHL06:30
        2h 27m
        Direct
        STL07:57
        Philadelphia - St. Louis|Sat, Jun 1|Frontier Airlines
        CAD 52
        CAD 52
      • PHL12:51
        2h 27m
        Direct
        STL14:18
        Philadelphia - St. Louis|Sat, Jun 29|Frontier Airlines
        CAD 52
        CAD 52
      • PHL20:19
        2h 27m
        Direct
        STL21:46
        Philadelphia - St. Louis|Wed, Jun 19|Frontier Airlines
        CAD 52
        CAD 52
      • PHL09:17
        2h 30m
        Direct
        STL10:47
        Philadelphia - St. Louis|Sat, Jun 8|Frontier Airlines
        CAD 52
        CAD 52
      • PHL12:51
        2h 27m
        Direct
        STL14:18
        Philadelphia - St. Louis|Sat, Jun 22|Frontier Airlines
        CAD 55
        CAD 55
      • PHL20:19
        2h 27m
        Direct
        STL21:46
        Philadelphia - St. Louis|Wed, Jun 26|Frontier Airlines
        CAD 55
        CAD 55
      • PHL20:19
        2h 27m
        Direct
        STL21:46
        Philadelphia - St. Louis|Wed, Jun 5|Frontier Airlines
        CAD 56
        CAD 56
      • PHL13:00
        3h 5m
        Direct
        STL14:00
        Philadelphia - St. Louis|Fri, May 10|Frontier Airlines
        Find More Flights
        Find More Flights

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

Selected Airlines from Philadelphia International Airport to St. Louis Lambert International Airport

See which airlines fly from Philadelphia to St. Louis. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From CAD 38
Spirit Airlines
From CAD 62
American Airlines
From CAD 114
Delta Air Lines
From CAD 119
United Airlines
From CAD 165
Sun Country Airlines
From CAD 191
Southwest Airlines
From CAD 265
Alaska Airlines
From CAD 374
ANA airlines
Find more flights and airlines
Flight Schedule from Philadelphia International Airport to St. Louis Lambert International Airport

Check the schedule for flights from Philadelphia to St. Louis and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. NK1005

    Spirit Airlines

    05:10

    PHL

    2.9h

    08:06

    FLL

    SMTWTFS
    Search

  2. NK1724

    Spirit Airlines

    15:41

    FLL

    3.0h

    17:39

    STL

    -M-W-FS

  3. DL2455

    Delta Air Lines

    06:00

    PHL

    1.7h

    07:42

    DTW

    -MTWT--
    Search

  4. DL2868

    Delta Air Lines

    08:45

    DTW

    1.6h

    09:23

    STL

    -MTWT--

  5. NK3996

    Spirit Airlines

    06:21

    PHL

    2.7h

    09:04

    MCO

    SMTWTFS
    Search

  6. F91631

    Frontier Airlines

    12:50

    MCO

    2.8h

    14:38

    STL

    SMTWTFS

  7. NK3996

    Spirit Airlines

    06:21

    PHL

    2.7h

    09:04

    MCO

    SMTWTFS
    Search

  8. NK1131

    Spirit Airlines

    18:27

    MCO

    2.5h

    19:59

    STL

    -M-W-FS

  9. F92609

    Frontier Airlines

    08:26

    PHL

    2.9h

    11:17

    FLL

    SMTWTFS
    Search

  10. NK1724

    Spirit Airlines

    15:41

    FLL

    3.0h

    17:39

    STL

    -M-W-FS

  11. F91807

    Frontier Airlines

    08:57

    PHL

    2.8h

    11:42

    MCO

    SMTWTFS
    Search

  12. F91631

    Frontier Airlines

    12:50

    MCO

    2.8h

    14:38

    STL

    SMTWTFS

  13. AA2275

    American Airlines

    10:50

    PHL

    2.6h

    Direct

    12:27

    STL

    -MTWT--
    Search

  14. F93265

    Frontier Airlines

    17:49

    PHL

    4.2h

    20:01

    DEN

    SMTWTFS
    Search

  15. F9006

    Frontier Airlines

    07:00

    DEN

    2.1h

    10:05

    STL

    S-T-TF-

  16. F93855

    Frontier Airlines

    19:54

    PHL

    3.0h

    22:56

    MCO

    SMTWTFS
    Search

  17. F91631

    Frontier Airlines

    12:50

    MCO

    2.8h

    14:38

    STL

    SMTWTFS
Find more flights and airlines

Philadelphia International Airport to St. Louis Lambert International Airport Flights Info

Flight distance1,307.06km
Cheapest one-way ticket priceCAD 38
Cheapest return ticket priceCAD 91

FAQs for Philadelphia International Airport to St. Louis Lambert International Airport Flights

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

    It takes around 2 hours 36 minutes to fly from Philadelphia International Airport (PHL) to Philadelphia International Airport(STL).

  • How many daily flights are there from Philadelphia International Airport (PHL) to St. Louis Lambert International Airport (STL)?

    There are around 3 daily flights from Philadelphia International Airport (PHL) to St. Louis Lambert International Airport (STL).

  • When are flight tickets from Philadelphia International Airport (PHL) to St. Louis Lambert International Airport (STL) the cheapest?

    Tickets cost around CAD 359 in May, making it the cheapest month to book. Philadelphia International Airport (PHL) to St. Louis Lambert International Airport (STL) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from Philadelphia International Airport (PHL) to St. Louis Lambert International Airport (STL) most expensive?

    The route from Philadelphia International Airport (PHL) to St. Louis Lambert International Airport (STL) is quite popular. Without considering departure times or holidays, tickets cost around CAD 359 in May, the most expensive month to book this route.

  • 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 20km, by taxi about 40 minutes.

  • Which airline operates the most direct flights from Philadelphia International Airport (PHL) to St. Louis Lambert International Airport (STL)?

    American Airlines is a very popular airline operating an average of 624 flights per month.

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