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Philadelphia International Airport to St. Louis Lambert International Airport flight

Explore the cheapest one-way and round-trip flights from Philadelphia International Airport to St. Louis Lambert International Airport over the next 90 days, with one-way fares from €35 and round-trip from €205. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        PHL 3:30 PM
        2h 35m
        Nonstop
        STL 5:05 PM
        Philadelphia - St. Louis | Wed, Sep 30 | American Airlines
        STL 6:30 AM
        2h 20m
        Nonstop
        PHL 9:50 AM
        St. Louis - Philadelphia | Mon, Oct 5 | American Airlines
        €258 €395
        35% off
        35% off
        €395 €258
      • PHL 10:00 PM
        2h 43m
        Nonstop
        STL 11:43 PM
        Philadelphia - St. Louis | Wed, Nov 4 | American Airlines
        STL 6:02 AM
        2h 18m
        Nonstop
        PHL 9:20 AM
        St. Louis - Philadelphia | Sat, Nov 7 | American Airlines
        €259 €395
        34% off
        34% off
        €395 €259
      • PHL 5:45 PM
        6h 28m
        1 stop
        STL 11:13 PM
        Philadelphia - St. Louis | Fri, Oct 16 | Frontier Airlines
        STL 4:30 PM
        6h 17m
        1 stop
        PHL 11:47 PM
        St. Louis - Philadelphia | Wed, Oct 21 | Frontier Airlines
        €205 €395
        48% off
        48% off
        €395 €205
      • PHL 5:15 AM
        12h 19m
        1 stop
        STL 4:34 PM
        Philadelphia - St. Louis | Wed, Sep 30 | Frontier Airlines
        STL 2:29 PM
        7h 49m
        1 stop
        PHL 11:18 PM
        St. Louis - Philadelphia | Mon, Oct 5 | Frontier Airlines
        €225
        43% off
        €395 €225
      • PHL 7:20 PM
        5h 22m
        1 stop
        STL 11:42 PM
        Philadelphia - St. Louis | Wed, Sep 30 | Delta Air Lines
        STL 5:19 PM
        5h 50m
        1 stop
        PHL 12:09 AM
        St. Louis - Philadelphia | Fri, Oct 2 | Frontier Airlines
        €245
        38% off
        €395 €245
      • PHL 6:00 AM
        12h 54m
        1 stop
        STL 5:54 PM
        Philadelphia - St. Louis | Wed, Nov 4 | Frontier Airlines
        STL 8:10 PM
        2h 5m
        Nonstop
        PHL 11:15 PM
        St. Louis - Philadelphia | Sat, Nov 7 |
        €265
        33% off
        €395 €265
      • PHL 6:13 PM
        6h 41m
        1 stop
        STL 11:54 PM
        Philadelphia - St. Louis | Wed, Nov 4 | Delta Air Lines
        STL 12:00 PM
        5h 18m
        1 stop
        PHL 6:18 PM
        St. Louis - Philadelphia | Sat, Nov 7 | Delta Air Lines
        €272
        31% off
        €395 €272
      • PHL 6:55 PM
        5h 4m
        1 stop
        STL 10:59 PM
        Philadelphia - St. Louis | Wed, Sep 30 | United Airlines
        STL 5:19 PM
        5h 50m
        1 stop
        PHL 12:09 AM
        St. Louis - Philadelphia | Fri, Oct 2 | Frontier Airlines
        €275
        30% off
        €395 €275
      • PHL 6:10 AM
        4h 39m
        1 stop
        STL 9:49 AM
        Philadelphia - St. Louis | Sun, Oct 18 | Delta Air Lines
        STL 4:30 PM
        6h 13m
        1 stop
        PHL 11:43 PM
        St. Louis - Philadelphia | Wed, Oct 21 | Frontier Airlines
        €285
        28% off
        €395 €285
      • PHL 11:20 AM
        5h 23m
        1 stop
        STL 3:43 PM
        Philadelphia - St. Louis | Wed, Nov 4 | United Airlines
        STL 10:40 AM
        2h 10m
        Nonstop
        PHL 1:50 PM
        St. Louis - Philadelphia | Sat, Nov 7 |
        €304
        23% off
        €395 €304
      • PHL 1:00 PM
        17h 25m
        1 stop
        STL 2:00 PM
        Philadelphia - St. Louis | Sun, Sep 27 | Normal Airline
        STL 3:00 PM
        6h
        Nonstop
        PHL 4:00 PM
        St. Louis - Philadelphia | Tue, Sep 29 | Normal Airline
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      • PHL 8:30 AM
        10h 10m
        1 stop
        STL 5:40 PM
        Philadelphia - St. Louis | Wed, Nov 18 | Frontier Airlines
        €35 €159
        78% off
        78% off
        €159 €35
      • PHL 12:36 PM
        7h 3m
        1 stop
        STL 6:39 PM
        Philadelphia - St. Louis | Thu, Nov 19 | Frontier Airlines
        €56 €159
        65% off
        65% off
        €159 €56
      • PHL 5:22 PM
        25h 18m
        1 stop
        STL 5:40 PM
        Philadelphia - St. Louis | Tue, Oct 20 | Frontier Airlines
        €69 €159
        56% off
        56% off
        €159 €69
      • PHL 12:43 PM
        21h 57m
        1 stop
        STL 9:40 AM
        Philadelphia - St. Louis | Tue, Oct 27 | Frontier Airlines
        €73
        54% off
        €159 €73
      • PHL 12:40 PM
        25h 30m
        1 stop
        STL 1:10 PM
        Philadelphia - St. Louis | Tue, Oct 6 | Frontier Airlines
        €79
        50% off
        €159 €79
      • PHL 12:35 PM
        6h 5m
        1 stop
        STL 5:40 PM
        Philadelphia - St. Louis | Mon, Oct 26 | Frontier Airlines
        €98
        38% off
        €159 €98
      • PHL 8:30 AM
        10h 10m
        1 stop
        STL 5:40 PM
        Philadelphia - St. Louis | Mon, Nov 16 | Frontier Airlines
        €105
        34% off
        €159 €105
      • PHL 5:01 AM
        8h 24m
        1 stop
        STL 12:25 PM
        Philadelphia - St. Louis | Mon, Nov 23 | Frontier Airlines
        €105
        34% off
        €159 €105
      • PHL 8:44 PM
        16h 51m
        1 stop
        STL 12:35 PM
        Philadelphia - St. Louis | Thu, Oct 22 | Frontier Airlines
        €109
        31% off
        €159 €109
      • PHL 5:57 PM
        26h 42m
        1 stop
        STL 7:39 PM
        Philadelphia - St. Louis | Wed, Oct 21 | Frontier Airlines
        €110
        31% off
        €159 €110
      • PHL 9:47 PM
        27h 12m
        1 stop
        STL 11:59 PM
        Philadelphia - St. Louis | Sat, Nov 21 | Frontier Airlines
        €111
        30% off
        €159 €111
      • PHL 5:45 PM
        6h 28m
        1 stop
        STL 11:13 PM
        Philadelphia - St. Louis | Sat, Oct 10 | Frontier Airlines
        €113
        28% off
        €159 €113
      • PHL 1:00 PM
        17h 25m
        1 stop
        STL 2:00 PM
        Philadelphia - St. Louis | Sun, Sep 27 | Normal Airline
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Displayed flight fares from Philadelphia International Airport to St. Louis Lambert International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Philadelphia International Airport to St. Louis Lambert International Airport?

The cheapest airline flying from Philadelphia International Airport to St. Louis Lambert International Airport is Frontier Airlines (from €35) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From €35
American Airlines
From €122
Delta Air Lines
From €125
United Airlines
From €162
Hahn Air
From €274

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What is the 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. AA1739

    Philadelphia International Airport

    8:54 AM

    PHL

    2h 35m

    10:29 AM

    STL

    S M T W T F S
    Search

  2. F91101

    Philadelphia International Airport

    12:40 PM

    PHL

    2h 21m

    Nonstop

    3:01 PM

    ATL

    S M T W T F S
    Search

  3. F94473

    Hartsfield–Jackson Atlanta International Airport

    12:25 PM

    ATL

    1h 45m

    Nonstop

    1:10 PM

    STL

    S - T - T - -

  4. DL2279

    Philadelphia International Airport

    2:12 PM

    PHL

    2h 15m

    Nonstop

    4:27 PM

    ATL

    S M T W T F S
    Search

  5. DL2833

    Hartsfield–Jackson Atlanta International Airport

    8:05 PM

    ATL

    1h 44m

    Nonstop

    8:49 PM

    STL

    S M T W T F S

  6. F92415

    Philadelphia International Airport

    5:15 AM

    PHL

    2h 43m

    Nonstop

    7:58 AM

    MCO

    S - - W T F S
    Search

  7. F92635

    Orlando Intl. Airport

    3:00 PM

    MCO

    2h 34m

    Nonstop

    4:34 PM

    STL

    S - - W T - S

  8. F92297

    Philadelphia International Airport

    8:41 AM

    PHL

    2h 25m

    Nonstop

    11:06 AM

    ATL

    S M T W T F S
    Search

  9. F94473

    Hartsfield–Jackson Atlanta International Airport

    12:25 PM

    ATL

    1h 45m

    Nonstop

    1:10 PM

    STL

    S - T - T - -

  10. F92297

    Philadelphia International Airport

    8:41 AM

    PHL

    2h 25m

    Nonstop

    11:06 AM

    ATL

    S M T W T F S
    Search

  11. DL1403

    Hartsfield–Jackson Atlanta International Airport

    10:55 PM

    ATL

    1h 44m

    Nonstop

    11:39 PM

    STL

    S M T W T F S

  12. F91147

    Philadelphia International Airport

    5:32 PM

    PHL

    2h 28m

    Nonstop

    8:00 PM

    ATL

    S M T W T F S
    Search

  13. F94473

    Hartsfield–Jackson Atlanta International Airport

    12:25 PM

    ATL

    1h 45m

    Nonstop

    1:10 PM

    STL

    S - T - T - -

  14. F92505

    Philadelphia International Airport

    5:45 PM

    PHL

    2h 46m

    Nonstop

    8:31 PM

    MCO

    S M T W T F S
    Search

  15. F92635

    Orlando Intl. Airport

    3:00 PM

    MCO

    2h 34m

    Nonstop

    4:34 PM

    STL

    S - - W T - S

  16. F94173

    Philadelphia International Airport

    3:30 PM

    PHL

    2h 44m

    Nonstop

    6:14 PM

    MCO

    S M T W T F S
    Search

  17. F92635

    Orlando Intl. Airport

    3:00 PM

    MCO

    2h 34m

    Nonstop

    4:34 PM

    STL

    S - - W T - S
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About Philadelphia International Airport and St. Louis Lambert International Airport

Learn about Philadelphia International Airport (PHL) and St. Louis Lambert International Airport (STL) — including location, terminals, transportation, and travel tips.

Flight distance 1,307.06 km
Cheapest one-way ticket price €35
Cheapest return ticket price €205

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

  • How long is the flight from Philadelphia International Airport to St. Louis Lambert International Airport?

    Philadelphia International Airport to St. Louis Lambert International Airport takes about 2 hours 1 minute on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from Philadelphia International Airport (PHL) to St. Louis Lambert International Airport (STL).
  • The earliest flight from Philadelphia International Airport to St. Louis Lambert International Airport departs at 06:20, and the last departs at 20:06, with about 9 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • 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 €246 in October, the most expensive month to book this route.
  • The earliest flight departs from Philadelphia International Airport (PHL) at 08:35 and arrives in St. Louis Lambert International Airport (STL) at 10:14.
  • The latest flight departs from Philadelphia International Airport (PHL) at 18:40 and arrives in St. Louis Lambert International Airport (STL) at 20:21.
    • The distance from St. Louis Lambert International Airport to downtown is about 20 km. It takes about 40 minutes by taxi.
  • American Airlines is a very popular airline operating an average of 1093 flights per month.
  • One-way flights from Philadelphia International Airport to St. Louis Lambert International Airport currently start from €35, and round-trip fares start from €205. The current lowest fare is a Frontier Airlines flight departing on Wed, Nov 18; prices may vary depending on availability.
  • Yes. American Airlines operate direct flights from Philadelphia International Airport to St. Louis Lambert International Airport, with an average flight time of 1 hour 58 minutes, and around 31 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Philadelphia International Airport to St. Louis Lambert International Airport is €195. Prices may vary depending on the departure date, airline, and availability.
  • Philadelphia International Airport to St. Louis Lambert International Airport operates around 31 weekly flights, mainly by American Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Philadelphia International Airport and St. Louis Lambert International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.