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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 €40 and round-trip from €214. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      PHL 17:14
      26h 25m
      1 stop
      STL 18:39
      Philadelphia - St. Louis | Sun, Nov 22 | Frontier Airlines
      €40 €140
      71% off
      71% off
      €140 €40
    • PHL 18:00
      24h 42m
      1 stop
      STL 17:42
      Philadelphia - St. Louis | Mon, Nov 16 | Frontier Airlines
      €49 €140
      65% off
      65% off
      €140 €49
    • PHL 18:31
      17h 46m
      1 stop
      STL 11:17
      Philadelphia - St. Louis | Sat, Dec 19 | Frontier Airlines
      €52 €140
      63% off
      63% off
      €140 €52
    • PHL 12:36
      7h 3m
      1 stop
      STL 18:39
      Philadelphia - St. Louis | Mon, Nov 23 | Frontier Airlines
      €57
      59% off
      €140 €57
    • PHL 21:56
      27h 16m
      1 stop
      STL 00:12
      Philadelphia - St. Louis | Wed, Dec 9 | Frontier Airlines
      €97
      31% off
      €140 €97
    • PHL 07:34
      17h 31m
      1 stop
      STL 00:05
      Philadelphia - St. Louis | Tue, Dec 8 | Frontier Airlines
      €100
      28% off
      €140 €100
    • PHL 16:41
      9h
      1 stop
      STL 00:41
      Philadelphia - St. Louis | Tue, Jan 5 | Frontier Airlines
      €104
      26% off
      €140 €104
    • PHL 16:41
      9h
      1 stop
      STL 00:41
      Philadelphia - St. Louis | Mon, Jan 4 | Frontier Airlines
      €104
      26% off
      €140 €104
    • PHL 21:56
      27h 45m
      1 stop
      STL 00:41
      Philadelphia - St. Louis | Sun, Dec 20 | Frontier Airlines
      €104
      26% off
      €140 €104
    • PHL 13:00
      17h 25m
      1 stop
      STL 14:00
      Philadelphia - St. Louis | Fri, Nov 13 | Normal Airline
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    • Cheapest nonstop
      PHL 11:00
      2h 51m
      Direct
      STL 12:51
      Philadelphia - St. Louis | Thu, Nov 26 | American Airlines
      STL 06:02
      2h 15m
      Direct
      PHL 09:17
      St. Louis - Philadelphia | Tue, Dec 1 | American Airlines
      €250 €306
      18% off
      18% off
      €306 €250
    • PHL 10:33
      2h 50m
      Direct
      STL 12:23
      Philadelphia - St. Louis | Wed, Jan 6 | American Airlines
      STL 06:00
      2h 17m
      Direct
      PHL 09:17
      St. Louis - Philadelphia | Wed, Jan 13 | American Airlines
      €268 €306
      12% off
      12% off
      €306 €268
    • PHL 10:17
      14h 55m
      1 stop
      STL 00:12
      Philadelphia - St. Louis | Mon, Dec 7 | Frontier Airlines
      STL 18:20
      13h 40m
      1 stop
      PHL 09:00
      St. Louis - Philadelphia | Thu, Dec 10 | Frontier Airlines
      €214 €306
      30% off
      30% off
      €306 €214
    • PHL 21:20
      2h 50m
      Direct
      STL 23:10
      Philadelphia - St. Louis | Sat, Dec 5 | American Airlines
      STL 10:25
      11h 46m
      2 stops
      PHL 23:11
      St. Louis - Philadelphia | Sat, Dec 12 | American Airlines
      €231
      25% off
      €306 €231
    • PHL 21:07
      21h 42m
      1 stop
      STL 17:49
      Philadelphia - St. Louis | Wed, Jan 6 | Frontier Airlines
      STL 06:00
      2h 17m
      Direct
      PHL 09:17
      St. Louis - Philadelphia | Wed, Jan 13 | American Airlines
      €234
      24% off
      €306 €234
    • PHL 16:39
      8h 20m
      1 stop
      STL 23:59
      Philadelphia - St. Louis | Sun, Nov 22 | Frontier Airlines
      STL 13:20
      8h 41m
      1 stop
      PHL 23:01
      St. Louis - Philadelphia | Fri, Nov 27 | Frontier Airlines
      €238
      22% off
      €306 €238
    • PHL 21:56
      27h 16m
      1 stop
      STL 00:12
      Philadelphia - St. Louis | Sat, Dec 5 | Frontier Airlines
      STL 18:20
      13h 40m
      1 stop
      PHL 09:00
      St. Louis - Philadelphia | Sat, Dec 12 | Frontier Airlines
      €239
      22% off
      €306 €239
    • PHL 05:01
      20h 40m
      1 stop
      STL 00:41
      Philadelphia - St. Louis | Mon, Dec 21 | Frontier Airlines
      STL 17:58
      6h 7m
      1 stop
      PHL 01:05
      St. Louis - Philadelphia | Mon, Dec 28 | Frontier Airlines
      €242
      21% off
      €306 €242
    • PHL 06:00
      4h 19m
      1 stop
      STL 09:19
      Philadelphia - St. Louis | Sat, Dec 5 | Delta Air Lines
      STL 10:14
      5h 21m
      1 stop
      PHL 16:35
      St. Louis - Philadelphia | Sat, Dec 12 | Delta Air Lines
      €252
      18% off
      €306 €252
    • PHL 13:00
      17h 25m
      1 stop
      STL 14:00
      Philadelphia - St. Louis | Fri, Nov 13 | Normal Airline
      STL 15:00
      6h
      Direct
      PHL 16:00
      St. Louis - Philadelphia | Sun, Nov 15 | Normal Airline
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    • Cheapest nonstop
      PHL 11:19
      2h 44m
      Direct
      STL 13:03
      Philadelphia - St. Louis | Tue, Jan 5 | American Airlines
      €124 €140
      11% off
      11% off
      €140 €124
    • PHL 10:19
      2h 44m
      Direct
      STL 12:03
      Philadelphia - St. Louis | Mon, Jan 4 | American Airlines
      €124 €140
      11% off
      11% off
      €140 €124
    • PHL 10:19
      2h 44m
      Direct
      STL 12:03
      Philadelphia - St. Louis | Thu, Dec 31 | American Airlines
      €124 €190
      35% off
      35% off
      €190 €124
    • PHL 11:19
      2h 44m
      Direct
      STL 13:03
      Philadelphia - St. Louis | Fri, Jan 1 | American Airlines
      €124
      35% off
      €190 €124
    • PHL 10:33
      2h 50m
      Direct
      STL 12:23
      Philadelphia - St. Louis | Fri, Jan 29 | American Airlines
      €124
      35% off
      €190 €124
    • PHL 21:20
      2h 50m
      Direct
      STL 23:10
      Philadelphia - St. Louis | Fri, Dec 11 | American Airlines
      €126
      34% off
      €190 €126
    • PHL 10:35
      2h 50m
      Direct
      STL 12:25
      Philadelphia - St. Louis | Sat, Dec 12 | American Airlines
      €126
      34% off
      €190 €126
    • PHL 20:55
      2h 47m
      Direct
      STL 22:42
      Philadelphia - St. Louis | Tue, Jan 5 | American Airlines
      €134
      28% off
      €190 €134
    • PHL 10:31
      2h 48m
      Direct
      STL 12:19
      Philadelphia - St. Louis | Sat, Dec 19 | American Airlines
      €134
      28% off
      €190 €134
    • PHL 13:00
      17h 25m
      1 stop
      STL 14:00
      Philadelphia - St. Louis | Fri, Nov 13 | Normal Airline
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    • Cheapest nonstop
      PHL 10:19
      2h 44m
      Direct
      STL 12:03
      Philadelphia - St. Louis | Thu, Dec 31 | American Airlines
      €124 €317
      61% off
      61% off
      €317 €124
    • PHL 11:19
      2h 44m
      Direct
      STL 13:03
      Philadelphia - St. Louis | Fri, Jan 1 | American Airlines
      €124 €317
      61% off
      61% off
      €317 €124
    • PHL 10:33
      2h 50m
      Direct
      STL 12:23
      Philadelphia - St. Louis | Fri, Jan 29 | American Airlines
      €124 €317
      61% off
      61% off
      €317 €124
    • PHL 21:20
      2h 50m
      Direct
      STL 23:10
      Philadelphia - St. Louis | Fri, Dec 11 | American Airlines
      €126
      60% off
      €317 €126
    • PHL 10:35
      2h 50m
      Direct
      STL 12:25
      Philadelphia - St. Louis | Sat, Dec 12 | American Airlines
      €126
      60% off
      €317 €126
    • PHL 20:55
      2h 47m
      Direct
      STL 22:42
      Philadelphia - St. Louis | Tue, Jan 5 | American Airlines
      €134
      57% off
      €317 €134
    • PHL 10:31
      2h 48m
      Direct
      STL 12:19
      Philadelphia - St. Louis | Sat, Dec 19 | American Airlines
      €134
      57% off
      €317 €134
    • PHL 20:55
      2h 46m
      Direct
      STL 22:41
      Philadelphia - St. Louis | Mon, Dec 28 | American Airlines
      €159
      50% off
      €317 €159
    • PHL 21:44
      2h 47m
      Direct
      STL 23:31
      Philadelphia - St. Louis | Wed, Dec 23 | American Airlines
      €160
      50% off
      €317 €160
    • PHL 13:00
      17h 25m
      1 stop
      STL 14:00
      Philadelphia - St. Louis | Fri, Nov 13 | Normal Airline
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    • PHL 11:19
      2h 44m
      Direct
      STL 13:03
      Philadelphia - St. Louis | Tue, Jan 5 | American Airlines
      €124 €140
      11% off
      11% off
      €140 €124
    • PHL 10:19
      2h 44m
      Direct
      STL 12:03
      Philadelphia - St. Louis | Mon, Jan 4 | American Airlines
      €124 €140
      11% off
      11% off
      €140 €124
    • PHL 10:19
      2h 44m
      Direct
      STL 12:03
      Philadelphia - St. Louis | Thu, Dec 31 | American Airlines
      €124 €190
      35% off
      35% off
      €190 €124
    • PHL 11:19
      2h 44m
      Direct
      STL 13:03
      Philadelphia - St. Louis | Fri, Jan 1 | American Airlines
      €124
      35% off
      €190 €124
    • PHL 10:05
      2h 44m
      Direct
      STL 11:49
      Philadelphia - St. Louis | Tue, Dec 22 | American Airlines
      €168
      12% off
      €190 €168
    • PHL 10:05
      2h 44m
      Direct
      STL 11:49
      Philadelphia - St. Louis | Fri, Dec 18 | American Airlines
      €241
      60% off
      €604 €241
    • PHL 20:55
      2h 46m
      Direct
      STL 22:41
      Philadelphia - St. Louis | Mon, Dec 28 | American Airlines
      €159
      16% off
      €190 €159
    • PHL 20:55
      2h 47m
      Direct
      STL 22:42
      Philadelphia - St. Louis | Tue, Jan 5 | American Airlines
      €134
      28% off
      €190 €134
    • PHL 21:44
      2h 47m
      Direct
      STL 23:31
      Philadelphia - St. Louis | Wed, Dec 23 | American Airlines
      €160
      16% off
      €190 €160
    • PHL 13:00
      17h 25m
      1 stop
      STL 14:00
      Philadelphia - St. Louis | Fri, Nov 13 | Normal Airline
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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

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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. DL1269

    Philadelphia International Airport

    05:30

    PHL

    2h 20m

    Direct

    07:50

    ATL

    S M T W T F S
    Search

  2. F94473

    Hartsfield–Jackson Atlanta International Airport

    16:49

    ATL

    1h 53m

    Direct

    17:42

    STL

    S - T - T - -

  3. F91101

    Philadelphia International Airport

    15:54

    PHL

    2h 26m

    Direct

    18:20

    ATL

    S M T W T F S
    Search

  4. F94473

    Hartsfield–Jackson Atlanta International Airport

    16:49

    ATL

    1h 53m

    Direct

    17:42

    STL

    S - T - T - -

  5. F92415

    Philadelphia International Airport

    05:01

    PHL

    2h 31m

    Direct

    07:32

    MCO

    S - - W T F S
    Search

  6. F92635

    Orlando International Airport

    22:38

    MCO

    2h 30m

    Direct

    00:08

    STL

    S - - W T F S

  7. F92505

    Philadelphia International Airport

    17:17

    PHL

    2h 46m

    Direct

    20:03

    MCO

    S M T W T F S
    Search

  8. F92635

    Orlando International Airport

    22:38

    MCO

    2h 30m

    Direct

    00:08

    STL

    S - - W T F S

  9. F92297

    Philadelphia International Airport

    08:30

    PHL

    2h 37m

    Direct

    11:07

    ATL

    S M T W T F S
    Search

  10. DL1403

    Hartsfield–Jackson Atlanta International Airport

    22:55

    ATL

    1h 44m

    Direct

    23:39

    STL

    S M T W T F S

  11. F91147

    Philadelphia International Airport

    17:14

    PHL

    2h 40m

    Direct

    19:54

    ATL

    S M T W T F S
    Search

  12. F94473

    Hartsfield–Jackson Atlanta International Airport

    16:49

    ATL

    1h 53m

    Direct

    17:42

    STL

    S - T - T - -
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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 1,307.06km
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 distance from St. Louis Lambert International Airport to downtown is about 20km, by taxi about 40 minutes.
  • 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 Sun, Nov 22; 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.

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