Trip.com
>
Flights
>
Flights to United States
>
Flights to Missouri
>
Flights to St. Louis
>
Philadelphia to St. Louis flight
>
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 €40 and round-trip from €214. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      PHL 11:00 AM
      2h 51m
      Nonstop
      STL 12:51 PM
      Philadelphia - St. Louis | Sun, Nov 29 | American Airlines
      STL 6:02 AM
      2h 15m
      Nonstop
      PHL 9:17 AM
      St. Louis - Philadelphia | Fri, Dec 4 | American Airlines
      €250 €306
      18% off
      18% off
      €306 €250
    • PHL 10:33 AM
      2h 50m
      Nonstop
      STL 12:23 PM
      Philadelphia - St. Louis | Sat, Jan 9 | American Airlines
      STL 6:00 AM
      2h 17m
      Nonstop
      PHL 9:17 AM
      St. Louis - Philadelphia | Sat, Jan 16 | American Airlines
      €268 €306
      12% off
      12% off
      €306 €268
    • PHL 10:17 AM
      14h 55m
      1 stop
      STL 12:12 AM
      Philadelphia - St. Louis | Thu, Dec 10 | Frontier Airlines
      STL 6:20 PM
      13h 40m
      1 stop
      PHL 9:00 AM
      St. Louis - Philadelphia | Sun, Dec 13 | Frontier Airlines
      €214 €306
      30% off
      30% off
      €306 €214
    • PHL 9:20 PM
      2h 50m
      Nonstop
      STL 11:10 PM
      Philadelphia - St. Louis | Tue, Dec 8 | American Airlines
      STL 10:25 AM
      11h 46m
      2 stops
      PHL 11:11 PM
      St. Louis - Philadelphia | Tue, Dec 15 | American Airlines
      €231
      25% off
      €306 €231
    • PHL 9:07 PM
      21h 42m
      1 stop
      STL 5:49 PM
      Philadelphia - St. Louis | Sat, Jan 9 | Frontier Airlines
      STL 6:00 AM
      2h 17m
      Nonstop
      PHL 9:17 AM
      St. Louis - Philadelphia | Sat, Jan 16 | American Airlines
      €234
      24% off
      €306 €234
    • PHL 4:39 PM
      8h 20m
      1 stop
      STL 11:59 PM
      Philadelphia - St. Louis | Wed, Nov 25 | Frontier Airlines
      STL 1:20 PM
      8h 41m
      1 stop
      PHL 11:01 PM
      St. Louis - Philadelphia | Mon, Nov 30 | Frontier Airlines
      €238
      22% off
      €306 €238
    • PHL 9:56 PM
      27h 16m
      1 stop
      STL 12:12 AM
      Philadelphia - St. Louis | Tue, Dec 8 | Frontier Airlines
      STL 6:20 PM
      13h 40m
      1 stop
      PHL 9:00 AM
      St. Louis - Philadelphia | Tue, Dec 15 | Frontier Airlines
      €239
      22% off
      €306 €239
    • PHL 5:01 AM
      20h 40m
      1 stop
      STL 12:41 AM
      Philadelphia - St. Louis | Thu, Dec 24 | Frontier Airlines
      STL 5:58 PM
      6h 7m
      1 stop
      PHL 1:05 AM
      St. Louis - Philadelphia | Thu, Dec 31 | Frontier Airlines
      €242
      21% off
      €306 €242
    • PHL 6:00 AM
      4h 19m
      1 stop
      STL 9:19 AM
      Philadelphia - St. Louis | Tue, Dec 8 | Delta Air Lines
      STL 10:14 AM
      5h 21m
      1 stop
      PHL 4:35 PM
      St. Louis - Philadelphia | Tue, Dec 15 | Delta Air Lines
      €252
      18% off
      €306 €252
    • PHL 1:00 PM
      17h 25m
      1 stop
      STL 2:00 PM
      Philadelphia - St. Louis | Fri, Nov 13 | Normal Airline
      STL 3:00 PM
      6h
      Nonstop
      PHL 4:00 PM
      St. Louis - Philadelphia | Sun, Nov 15 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      PHL 5:14 PM
      26h 25m
      1 stop
      STL 6:39 PM
      Philadelphia - St. Louis | Sat, Nov 21 | Frontier Airlines
      €40 €140
      71% off
      71% off
      €140 €40
    • PHL 6:00 PM
      24h 42m
      1 stop
      STL 5:42 PM
      Philadelphia - St. Louis | Sun, Nov 15 | Frontier Airlines
      €49 €140
      65% off
      65% off
      €140 €49
    • PHL 6:31 PM
      17h 46m
      1 stop
      STL 11:17 AM
      Philadelphia - St. Louis | Fri, Dec 18 | Frontier Airlines
      €52 €140
      63% off
      63% off
      €140 €52
    • PHL 12:36 PM
      7h 3m
      1 stop
      STL 6:39 PM
      Philadelphia - St. Louis | Sun, Nov 22 | Frontier Airlines
      €57
      59% off
      €140 €57
    • PHL 9:56 PM
      27h 16m
      1 stop
      STL 12:12 AM
      Philadelphia - St. Louis | Tue, Dec 8 | Frontier Airlines
      €97
      31% off
      €140 €97
    • PHL 7:34 AM
      17h 31m
      1 stop
      STL 12:05 AM
      Philadelphia - St. Louis | Mon, Dec 7 | Frontier Airlines
      €100
      28% off
      €140 €100
    • PHL 4:41 PM
      9h
      1 stop
      STL 12:41 AM
      Philadelphia - St. Louis | Mon, Jan 4 | Frontier Airlines
      €104
      26% off
      €140 €104
    • PHL 4:41 PM
      9h
      1 stop
      STL 12:41 AM
      Philadelphia - St. Louis | Sun, Jan 3 | Frontier Airlines
      €104
      26% off
      €140 €104
    • PHL 9:56 PM
      27h 45m
      1 stop
      STL 12:41 AM
      Philadelphia - St. Louis | Sat, Dec 19 | Frontier Airlines
      €104
      26% off
      €140 €104
    • PHL 1:00 PM
      17h 25m
      1 stop
      STL 2:00 PM
      Philadelphia - St. Louis | Fri, Nov 13 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      PHL 11:19 AM
      2h 44m
      Nonstop
      STL 1:03 PM
      Philadelphia - St. Louis | Mon, Jan 4 | American Airlines
      €124 €140
      11% off
      11% off
      €140 €124
    • PHL 10:19 AM
      2h 44m
      Nonstop
      STL 12:03 PM
      Philadelphia - St. Louis | Sun, Jan 3 | American Airlines
      €124 €140
      11% off
      11% off
      €140 €124
    • PHL 10:19 AM
      2h 44m
      Nonstop
      STL 12:03 PM
      Philadelphia - St. Louis | Thu, Dec 31 | American Airlines
      €124 €190
      35% off
      35% off
      €190 €124
    • PHL 11:19 AM
      2h 44m
      Nonstop
      STL 1:03 PM
      Philadelphia - St. Louis | Fri, Jan 1 | American Airlines
      €124
      35% off
      €190 €124
    • PHL 10:33 AM
      2h 50m
      Nonstop
      STL 12:23 PM
      Philadelphia - St. Louis | Fri, Jan 29 | American Airlines
      €124
      35% off
      €190 €124
    • PHL 9:20 PM
      2h 50m
      Nonstop
      STL 11:10 PM
      Philadelphia - St. Louis | Fri, Dec 11 | American Airlines
      €126
      34% off
      €190 €126
    • PHL 10:35 AM
      2h 50m
      Nonstop
      STL 12:25 PM
      Philadelphia - St. Louis | Sat, Dec 12 | American Airlines
      €126
      34% off
      €190 €126
    • PHL 8:55 PM
      2h 47m
      Nonstop
      STL 10:42 PM
      Philadelphia - St. Louis | Tue, Jan 5 | American Airlines
      €134
      28% off
      €190 €134
    • PHL 10:31 AM
      2h 48m
      Nonstop
      STL 12:19 PM
      Philadelphia - St. Louis | Sat, Dec 19 | American Airlines
      €134
      28% off
      €190 €134
    • PHL 1:00 PM
      17h 25m
      1 stop
      STL 2:00 PM
      Philadelphia - St. Louis | Fri, Nov 13 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      PHL 10:19 AM
      2h 44m
      Nonstop
      STL 12:03 PM
      Philadelphia - St. Louis | Thu, Dec 31 | American Airlines
      €124 €317
      61% off
      61% off
      €317 €124
    • PHL 11:19 AM
      2h 44m
      Nonstop
      STL 1:03 PM
      Philadelphia - St. Louis | Fri, Jan 1 | American Airlines
      €124 €317
      61% off
      61% off
      €317 €124
    • PHL 10:33 AM
      2h 50m
      Nonstop
      STL 12:23 PM
      Philadelphia - St. Louis | Fri, Jan 29 | American Airlines
      €124 €317
      61% off
      61% off
      €317 €124
    • PHL 9:20 PM
      2h 50m
      Nonstop
      STL 11:10 PM
      Philadelphia - St. Louis | Fri, Dec 11 | American Airlines
      €126
      60% off
      €317 €126
    • PHL 10:35 AM
      2h 50m
      Nonstop
      STL 12:25 PM
      Philadelphia - St. Louis | Sat, Dec 12 | American Airlines
      €126
      60% off
      €317 €126
    • PHL 8:55 PM
      2h 47m
      Nonstop
      STL 10:42 PM
      Philadelphia - St. Louis | Tue, Jan 5 | American Airlines
      €134
      57% off
      €317 €134
    • PHL 10:31 AM
      2h 48m
      Nonstop
      STL 12:19 PM
      Philadelphia - St. Louis | Sat, Dec 19 | American Airlines
      €134
      57% off
      €317 €134
    • PHL 8:55 PM
      2h 46m
      Nonstop
      STL 10:41 PM
      Philadelphia - St. Louis | Mon, Dec 28 | American Airlines
      €159
      50% off
      €317 €159
    • PHL 9:44 PM
      2h 47m
      Nonstop
      STL 11:31 PM
      Philadelphia - St. Louis | Wed, Dec 23 | American Airlines
      €160
      50% off
      €317 €160
    • PHL 1:00 PM
      17h 25m
      1 stop
      STL 2:00 PM
      Philadelphia - St. Louis | Fri, Nov 13 | Normal Airline
      Find more flights
      Find more flights
    • PHL 11:19 AM
      2h 44m
      Nonstop
      STL 1:03 PM
      Philadelphia - St. Louis | Mon, Jan 4 | American Airlines
      €124 €140
      11% off
      11% off
      €140 €124
    • PHL 10:19 AM
      2h 44m
      Nonstop
      STL 12:03 PM
      Philadelphia - St. Louis | Sun, Jan 3 | American Airlines
      €124 €140
      11% off
      11% off
      €140 €124
    • PHL 10:19 AM
      2h 44m
      Nonstop
      STL 12:03 PM
      Philadelphia - St. Louis | Thu, Dec 31 | American Airlines
      €124 €190
      35% off
      35% off
      €190 €124
    • PHL 11:19 AM
      2h 44m
      Nonstop
      STL 1:03 PM
      Philadelphia - St. Louis | Fri, Jan 1 | American Airlines
      €124
      35% off
      €190 €124
    • PHL 10:05 AM
      2h 44m
      Nonstop
      STL 11:49 AM
      Philadelphia - St. Louis | Tue, Dec 22 | American Airlines
      €168
      12% off
      €190 €168
    • PHL 10:05 AM
      2h 44m
      Nonstop
      STL 11:49 AM
      Philadelphia - St. Louis | Fri, Dec 18 | American Airlines
      €241
      60% off
      €604 €241
    • PHL 8:55 PM
      2h 46m
      Nonstop
      STL 10:41 PM
      Philadelphia - St. Louis | Mon, Dec 28 | American Airlines
      €159
      16% off
      €190 €159
    • PHL 8:55 PM
      2h 47m
      Nonstop
      STL 10:42 PM
      Philadelphia - St. Louis | Tue, Jan 5 | American Airlines
      €134
      28% off
      €190 €134
    • PHL 9:44 PM
      2h 47m
      Nonstop
      STL 11:31 PM
      Philadelphia - St. Louis | Wed, Dec 23 | American Airlines
      €160
      16% off
      €190 €160
    • PHL 1:00 PM
      17h 25m
      1 stop
      STL 2:00 PM
      Philadelphia - St. Louis | Fri, Nov 13 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Philadelphia to St. Louis 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 €40) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From €40
Delta Air Lines
From €114
American Airlines
From €124
United Airlines
From €164
Hahn Air
From €287

Find more flights and airlines

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. DL1269

    Philadelphia International Airport

    5:30 AM

    PHL

    2h 20m

    Nonstop

    7:50 AM

    ATL

    S M T W T F S
    Search

  2. F94473

    Hartsfield–Jackson Atlanta International Airport

    4:49 PM

    ATL

    1h 53m

    Nonstop

    5:42 PM

    STL

    S - T - T - -

  3. F91101

    Philadelphia International Airport

    3:54 PM

    PHL

    2h 26m

    Nonstop

    6:20 PM

    ATL

    S M T W T F S
    Search

  4. F94473

    Hartsfield–Jackson Atlanta International Airport

    4:49 PM

    ATL

    1h 53m

    Nonstop

    5:42 PM

    STL

    S - T - T - -

  5. F92415

    Philadelphia International Airport

    5:01 AM

    PHL

    2h 31m

    Nonstop

    7:32 AM

    MCO

    S - - W T F S
    Search

  6. F92635

    Orlando Intl. Airport

    10:38 PM

    MCO

    2h 30m

    Nonstop

    12:08 AM

    STL

    S - - W T F S

  7. F92505

    Philadelphia International Airport

    5:17 PM

    PHL

    2h 46m

    Nonstop

    8:03 PM

    MCO

    S M T W T F S
    Search

  8. F92635

    Orlando Intl. Airport

    10:38 PM

    MCO

    2h 30m

    Nonstop

    12:08 AM

    STL

    S - - W T F S

  9. F92297

    Philadelphia International Airport

    8:30 AM

    PHL

    2h 37m

    Nonstop

    11:07 AM

    ATL

    S M T W T F S
    Search

  10. DL1403

    Hartsfield–Jackson Atlanta International Airport

    10:55 PM

    ATL

    1h 44m

    Nonstop

    11:39 PM

    STL

    S M T W T F S

  11. F91147

    Philadelphia International Airport

    5:14 PM

    PHL

    2h 40m

    Nonstop

    7:54 PM

    ATL

    S M T W T F S
    Search

  12. F94473

    Hartsfield–Jackson Atlanta International Airport

    4:49 PM

    ATL

    1h 53m

    Nonstop

    5:42 PM

    STL

    S - T - T - -
Find more flights and airlines

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 €40
Cheapest return ticket price €214

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 5 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 2 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 06:00, and the last departs at 20:36, with about 14 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 €498 in November, 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 €40, and round-trip fares start from €214. The current lowest fare is a Frontier Airlines flight departing on Sat, Nov 21; 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 59 minutes, and around 27 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 €258. Prices may vary depending on the departure date, airline, and availability.
  • Philadelphia International Airport to St. Louis Lambert International Airport operates around 29 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.