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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 €48 and round-trip from €130. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      PHL 08:30
      10h 12m
      1 stop
      STL 17:42
      Philadelphia - St. Louis | Fri, Nov 20 | Frontier Airlines
      €48 €175
      73% off
      73% off
      €175 €48
    • PHL 12:36
      7h 3m
      1 stop
      STL 18:39
      Philadelphia - St. Louis | Sat, Nov 21 | Frontier Airlines
      €57 €175
      67% off
      67% off
      €175 €57
    • PHL 12:43
      21h 57m
      1 stop
      STL 09:40
      Philadelphia - St. Louis | Thu, Oct 29 | Frontier Airlines
      €74 €175
      57% off
      57% off
      €175 €74
    • PHL 12:36
      6h 4m
      1 stop
      STL 17:40
      Philadelphia - St. Louis | Fri, Oct 30 | Frontier Airlines
      €90
      49% off
      €175 €90
    • PHL 12:35
      6h 5m
      1 stop
      STL 17:40
      Philadelphia - St. Louis | Wed, Oct 28 | Frontier Airlines
      €100
      43% off
      €175 €100
    • PHL 18:40
      24h 59m
      1 stop
      STL 18:39
      Philadelphia - St. Louis | Fri, Nov 20 | American Airlines
      €104
      41% off
      €175 €104
    • PHL 08:30
      10h 10m
      1 stop
      STL 17:40
      Philadelphia - St. Louis | Wed, Nov 18 | Frontier Airlines
      €106
      39% off
      €175 €106
    • PHL 05:01
      8h 24m
      1 stop
      STL 12:25
      Philadelphia - St. Louis | Wed, Nov 25 | Frontier Airlines
      €107
      39% off
      €175 €107
    • PHL 16:26
      8h 46m
      1 stop
      STL 00:12
      Philadelphia - St. Louis | Fri, Dec 11 | Frontier Airlines
      €108
      38% off
      €175 €108
    • PHL 13:00
      17h 25m
      1 stop
      STL 14:00
      Philadelphia - St. Louis | Mon, Oct 19 | Normal Airline
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    • Cheapest nonstop
      PHL 11:00
      2h 51m
      STL 12:51
      Philadelphia - St. Louis | Thu, Nov 26 | American Airlines
      STL 06:02
      2h 15m
      PHL 09:17
      St. Louis - Philadelphia | Tue, Dec 1 | American Airlines
      €248 €375
      34% off
      34% off
      €375 €248
    • PHL 20:36
      2h 38m
      STL 22:14
      Philadelphia - St. Louis | Wed, Oct 21 | American Airlines
      STL 06:00
      2h 19m
      PHL 09:19
      St. Louis - Philadelphia | Mon, Oct 26 | American Airlines
      €248 €375
      34% off
      34% off
      €375 €248
    • PHL 22:00
      2h 43m
      STL 23:43
      Philadelphia - St. Louis | Fri, Oct 30 | American Airlines
      STL 06:02
      2h 18m
      PHL 09:20
      St. Louis - Philadelphia | Mon, Nov 2 | American Airlines
      €263 €375
      30% off
      30% off
      €375 €263
    • PHL 12:35
      6h 5m
      STL 17:40
      Philadelphia - St. Louis | Wed, Oct 21 | Frontier Airlines
      STL 18:35
      11h 46m
      PHL 07:21
      St. Louis - Philadelphia | Mon, Oct 26 | Frontier Airlines
      €130
      65% off
      €375 €130
    • PHL 06:35
      7h 45m
      STL 13:20
      Philadelphia - St. Louis | Wed, Oct 21 | Delta Air Lines
      STL 18:35
      11h 46m
      PHL 07:21
      St. Louis - Philadelphia | Mon, Oct 26 | Frontier Airlines
      €191
      49% off
      €375 €191
    • PHL 12:35
      6h 5m
      STL 17:40
      Philadelphia - St. Louis | Fri, Oct 23 | Frontier Airlines
      STL 18:35
      11h 46m
      PHL 07:21
      St. Louis - Philadelphia | Mon, Oct 26 | Frontier Airlines
      €229
      39% off
      €375 €229
    • PHL 09:34
      5h 43m
      STL 14:17
      Philadelphia - St. Louis | Wed, Oct 21 | United Airlines
      STL 18:35
      11h 46m
      PHL 07:21
      St. Louis - Philadelphia | Mon, Oct 26 | Frontier Airlines
      €233
      38% off
      €375 €233
    • PHL 16:26
      8h 46m
      STL 00:12
      Philadelphia - St. Louis | Mon, Dec 7 | Frontier Airlines
      STL 10:06
      7h 20m
      PHL 18:26
      St. Louis - Philadelphia | Thu, Dec 10 | Delta Air Lines
      €236
      37% off
      €375 €236
    • PHL 18:34
      6h 28m
      STL 00:02
      Philadelphia - St. Louis | Mon, Dec 7 | American Airlines
      STL 06:02
      2h 20m
      PHL 09:22
      St. Louis - Philadelphia | Thu, Dec 10 | American Airlines
      €256
      32% off
      €375 €256
    • PHL 13:00
      17h 25m
      1 stop
      STL 14:00
      Philadelphia - St. Louis | Mon, Oct 19 | Normal Airline
      STL 15:00
      6h
      Direct
      PHL 16:00
      St. Louis - Philadelphia | Wed, Oct 21 | Normal Airline
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    • Cheapest nonstop
      PHL 10:35
      2h 50m
      Direct
      STL 12:25
      Philadelphia - St. Louis | Sat, Dec 12 | American Airlines
      €125 €375
      67% off
      67% off
      €375 €125
    • PHL 21:20
      2h 50m
      Direct
      STL 23:10
      Philadelphia - St. Louis | Fri, Dec 11 | American Airlines
      €127 €375
      66% off
      66% off
      €375 €127
    • PHL 10:46
      2h 50m
      Direct
      STL 12:36
      Philadelphia - St. Louis | Wed, Dec 9 | American Airlines
      €161 €375
      56% off
      56% off
      €375 €161
    • PHL 18:40
      3h 6m
      Direct
      STL 20:46
      Philadelphia - St. Louis | Mon, Dec 7 | American Airlines
      €175
      53% off
      €375 €175
    • PHL 10:35
      2h 50m
      Direct
      STL 12:25
      Philadelphia - St. Louis | Sun, Dec 13 | American Airlines
      €191
      49% off
      €375 €191
    • PHL 18:40
      3h 6m
      Direct
      STL 20:46
      Philadelphia - St. Louis | Thu, Dec 10 | American Airlines
      €191
      49% off
      €375 €191
    • PHL 18:40
      2h 53m
      Direct
      STL 20:33
      Philadelphia - St. Louis | Tue, Dec 1 | American Airlines
      €191
      49% off
      €375 €191
    • PHL 10:35
      2h 50m
      Direct
      STL 12:25
      Philadelphia - St. Louis | Mon, Dec 14 | American Airlines
      €204
      46% off
      €375 €204
    • PHL 18:40
      3h 6m
      Direct
      STL 20:46
      Philadelphia - St. Louis | Wed, Dec 2 | American Airlines
      €230
      39% off
      €375 €230
    • PHL 13:00
      17h 25m
      1 stop
      STL 14:00
      Philadelphia - St. Louis | Mon, Oct 19 | Normal Airline
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    • Cheapest nonstop
      PHL 10:35
      2h 50m
      Direct
      STL 12:25
      Philadelphia - St. Louis | Sat, Dec 12 | American Airlines
      €125 €506
      75% off
      75% off
      €506 €125
    • PHL 21:20
      2h 50m
      Direct
      STL 23:10
      Philadelphia - St. Louis | Fri, Dec 11 | American Airlines
      €127 €506
      75% off
      75% off
      €506 €127
    • PHL 10:46
      2h 50m
      Direct
      STL 12:36
      Philadelphia - St. Louis | Wed, Dec 9 | American Airlines
      €161 €506
      68% off
      68% off
      €506 €161
    • PHL 18:40
      3h 6m
      Direct
      STL 20:46
      Philadelphia - St. Louis | Mon, Dec 7 | American Airlines
      €175
      65% off
      €506 €175
    • PHL 10:35
      2h 50m
      Direct
      STL 12:25
      Philadelphia - St. Louis | Sun, Dec 13 | American Airlines
      €191
      62% off
      €506 €191
    • PHL 18:40
      3h 6m
      Direct
      STL 20:46
      Philadelphia - St. Louis | Thu, Dec 10 | American Airlines
      €191
      62% off
      €506 €191
    • PHL 18:40
      2h 53m
      Direct
      STL 20:33
      Philadelphia - St. Louis | Tue, Dec 1 | American Airlines
      €191
      62% off
      €506 €191
    • PHL 10:35
      2h 50m
      Direct
      STL 12:25
      Philadelphia - St. Louis | Mon, Dec 14 | American Airlines
      €204
      60% off
      €506 €204
    • PHL 18:40
      3h 6m
      Direct
      STL 20:46
      Philadelphia - St. Louis | Wed, Dec 2 | American Airlines
      €230
      55% off
      €506 €230
    • PHL 13:00
      17h 25m
      1 stop
      STL 14:00
      Philadelphia - St. Louis | Mon, Oct 19 | Normal Airline
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    • Cheapest nonstop
      PHL 08:56
      2h 45m
      Direct
      STL 10:41
      Philadelphia - St. Louis | Wed, Oct 21 | American Airlines
      €266 €439
      39% off
      39% off
      €439 €266
    • PHL 08:56
      2h 45m
      Direct
      STL 10:41
      Philadelphia - St. Louis | Sun, Oct 18 | American Airlines
      €311 €439
      28% off
      28% off
      €439 €311
    • PHL 13:00
      17h 25m
      1 stop
      STL 14:00
      Philadelphia - St. Louis | Mon, Oct 19 | 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 €126
American Airlines
From €127
United Airlines
From €164
Hahn Air
From €278

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. DL1692

    Philadelphia International Airport

    16:05

    PHL

    2h 16m

    Direct

    18:21

    ATL

    S M T W T F S
    Search

  2. DL2833

    Hartsfield–Jackson Atlanta International Airport

    20:05

    ATL

    1h 44m

    Direct

    20:49

    STL

    S M T W T F S

  3. DL1152

    Philadelphia International Airport

    06:40

    PHL

    2h 20m

    Direct

    09:00

    ATL

    S M T W T F S
    Search

  4. DL1400

    Hartsfield–Jackson Atlanta International Airport

    10:05

    ATL

    1h 46m

    Direct

    10:51

    STL

    S M T W T F S

  5. F91101

    Philadelphia International Airport

    12:35

    PHL

    2h 26m

    Direct

    15:01

    ATL

    S M T W T F S
    Search

  6. F94473

    Hartsfield–Jackson Atlanta International Airport

    09:57

    ATL

    1h 56m

    Direct

    10:53

    STL

    S - T - T - -

  7. DL1269

    Philadelphia International Airport

    05:30

    PHL

    2h 20m

    Direct

    07:50

    ATL

    S M T W T F S
    Search

  8. DL1400

    Hartsfield–Jackson Atlanta International Airport

    10:05

    ATL

    1h 46m

    Direct

    10:51

    STL

    S M T W T F S

  9. DL1692

    Philadelphia International Airport

    16:05

    PHL

    2h 16m

    Direct

    18:21

    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. F92415

    Philadelphia International Airport

    05:15

    PHL

    2h 33m

    Direct

    07:48

    MCO

    S - - W T F S
    Search

  12. F92635

    Orlando International Airport

    21:33

    MCO

    2h 40m

    Direct

    23:13

    STL

    S - - W T F S

  13. F92505

    Philadelphia International Airport

    17:45

    PHL

    2h 43m

    Direct

    20:28

    MCO

    S M T W T F S
    Search

  14. F92635

    Orlando International Airport

    21:33

    MCO

    2h 40m

    Direct

    23:13

    STL

    S - - W T F S

  15. F92297

    Philadelphia International Airport

    10:41

    PHL

    2h 31m

    Direct

    13:12

    ATL

    S M T W T F S
    Search

  16. F94473

    Hartsfield–Jackson Atlanta International Airport

    09:57

    ATL

    1h 56m

    Direct

    10:53

    STL

    S - T - T - -

  17. F92297

    Philadelphia International Airport

    10:41

    PHL

    2h 31m

    Direct

    13:12

    ATL

    S M T W T F S
    Search

  18. DL1403

    Hartsfield–Jackson Atlanta International Airport

    22:55

    ATL

    1h 44m

    Direct

    23:39

    STL

    S M T W T F S

  19. F91601

    Philadelphia International Airport

    06:25

    PHL

    5h 53m

    Direct

    09:18

    LAS

    S M T W T F S
    Search

  20. F93108

    Harry Reid International Airport

    08:40

    LAS

    3h 7m

    Direct

    13:47

    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 1,307.06km
Cheapest one-way ticket price €48
Cheapest return ticket price €130

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 2 minutes 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 22:00, with about 10 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 €380 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 €48, and round-trip fares start from €130. The current lowest fare is a Frontier Airlines flight departing on Fri, Nov 20; 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 34 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 €224. Prices may vary depending on the departure date, airline, and availability.
  • Philadelphia International Airport to St. Louis Lambert International Airport operates around 35 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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