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Philadelphia International Airport to St. Louis Lambert International Airport flight

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 $49) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From $49
American Airlines
From $107
Delta Air Lines
From $140
United Airlines
From $185
Alaska Airlines
From $402

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

    4:05 PM

    PHL

    2h 16m

    Nonstop

    6:21 PM

    ATL

    S M T W T F S
    Search

  2. DL2833

    Hartsfield–Jackson Atlanta International Airport

    8:05 PM

    ATL

    1h 44m

    Nonstop

    8:49 PM

    STL

    S M T W T F S

  3. DL1152

    Philadelphia International Airport

    6:40 AM

    PHL

    2h 20m

    Nonstop

    9:00 AM

    ATL

    S M T W T F S
    Search

  4. DL1400

    Hartsfield–Jackson Atlanta International Airport

    10:05 AM

    ATL

    1h 46m

    Nonstop

    10:51 AM

    STL

    S M T W T F S

  5. F91101

    Philadelphia International Airport

    12:35 PM

    PHL

    2h 26m

    Nonstop

    3:01 PM

    ATL

    S M T W T F S
    Search

  6. F94473

    Hartsfield–Jackson Atlanta International Airport

    9:57 AM

    ATL

    1h 56m

    Nonstop

    10:53 AM

    STL

    S - T - T - -

  7. DL1269

    Philadelphia International Airport

    5:30 AM

    PHL

    2h 20m

    Nonstop

    7:50 AM

    ATL

    S M T W T F S
    Search

  8. DL1400

    Hartsfield–Jackson Atlanta International Airport

    10:05 AM

    ATL

    1h 46m

    Nonstop

    10:51 AM

    STL

    S M T W T F S

  9. DL1692

    Philadelphia International Airport

    4:05 PM

    PHL

    2h 16m

    Nonstop

    6:21 PM

    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. F92415

    Philadelphia International Airport

    5:01 AM

    PHL

    2h 52m

    Nonstop

    7:53 AM

    MCO

    S - - W T F S
    Search

  12. F92635

    Orlando Intl. Airport

    10:22 PM

    MCO

    2h 42m

    Nonstop

    12:04 AM

    STL

    S - - W T F S

  13. F92505

    Philadelphia International Airport

    4:41 PM

    PHL

    2h 46m

    Nonstop

    7:27 PM

    MCO

    S M T W T F S
    Search

  14. F92635

    Orlando Intl. Airport

    10:22 PM

    MCO

    2h 42m

    Nonstop

    12:04 AM

    STL

    S - - W T F S

  15. F92297

    Philadelphia International Airport

    10:41 AM

    PHL

    2h 31m

    Nonstop

    1:12 PM

    ATL

    S M T W T F S
    Search

  16. F94473

    Hartsfield–Jackson Atlanta International Airport

    9:57 AM

    ATL

    1h 56m

    Nonstop

    10:53 AM

    STL

    S - T - T - -

  17. F92297

    Philadelphia International Airport

    10:41 AM

    PHL

    2h 31m

    Nonstop

    1:12 PM

    ATL

    S M T W T F S
    Search

  18. DL1403

    Hartsfield–Jackson Atlanta International Airport

    10:55 PM

    ATL

    1h 44m

    Nonstop

    11:39 PM

    STL

    S M T W T F S

  19. F91601

    Philadelphia International Airport

    6:25 AM

    PHL

    5h 53m

    Nonstop

    9:18 AM

    LAS

    S M T W T F S
    Search

  20. F93108

    Harry Reid Intl. Airport

    8:40 AM

    LAS

    3h 12m

    Nonstop

    1:52 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 $54
Cheapest return ticket price $146

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 $355 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 $54, and round-trip fares start from $146. The current lowest fare is a Frontier Airlines flight departing on Fri, Nov 27; 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 $252. 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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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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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

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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.