Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Frontier Airlines

The cheapest airline(s) flying from Philadelphia to Saint Louis is Frontier Airlines.

  • Frontier Airlines Frontier Airlines
  • American Airlines American Airlines
  • Delta Air Lines Delta Air Lines
  • Spirit Airlines Spirit Airlines
  • United Airlines United Airlines
  • Alaska Airlines Alaska Airlines
Cheapest Month June

Travel Period: June 2024 - May 2025

The cheapest month(s) to fly from Philadelphia to Saint Louis is June.

  • Jun 2024
  • Jul 2024
  • Aug 2024
  • Sep 2024
  • Oct 2024
  • Nov 2024
  • Dec 2024
  • Jan 2025
  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
Cheapest Day of the Week Friday

The cheapest day(s) of the week to fly from Philadelphia to Saint Louis is Friday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday
Cheapest Time 8pm

The cheapest time of the day to fly from Philadelphia to Saint Louis is in the evening.

Early Morning 12:01am - 06:00am
Morning 6:01am - 12:00pm
Afternoon 12:01pm - 6:00pm
Evening 6:01pm to 12:00am
12am
6am
12pm
6pm

Flight Schedules

Last Updated: Thu, 2 May, 2024

  • Depart Earliest
    • Earliest
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  • Arrive
    • Earliest
    • Latest
  • Airline Filter by Airline
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  • Total Duration
    • Shortest
    • Longest
  • Stopover
    All
  • Availability
    • M
    • T
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  • 07:55 - 09:15
    PHL - STL
  • 07:55 (PHL)Philadelphia International Airport
  • 09:15 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 5833)Boeing 737 700
  • 2h 20m
  • Direct
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • Boeing 737 700
  • 08:25 - 09:50
    PHL - STL
  • 08:25 (PHL)Philadelphia International Airport
  • 09:50 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 5833)Boeing 737 800
  • 2h 25m
  • Direct
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • Boeing 737 800
  • 10:15 - 11:35
    PHL - STL
  • 10:15 (PHL)Philadelphia International Airport
  • 11:35 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 5833)Boeing 737 700
  • 2h 20m
  • Direct
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • Boeing 737 700
  • 10:30 - 11:50
    PHL - STL
  • 10:30 (PHL)Philadelphia International Airport
  • 11:50 (STL)St Louis Lambert Intl Airport
  • American Airlines (AA 2275)Airbus
  • 2h 20m
  • Direct
    • M
    • T
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    • T
    • F
    • S
    • S
  • Airbus
  • 11:00 - 12:20
    PHL - STL
  • 11:00 (PHL)Philadelphia International Airport
  • 12:20 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 5833)Boeing 737 700
  • 2h 20m
  • Direct
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • Boeing 737 700
  • 18:30 - 20:11
    PHL - STL
  • 18:30 (PHL)Philadelphia International Airport
  • 20:11 (STL)St Louis Lambert Intl Airport
  • American Airlines (AA 4254)Embraer Emb 175
  • 2h 41m
  • Direct
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • Embraer Emb 175
  • 19:05 - 20:40
    PHL - STL
  • 19:05 (PHL)Philadelphia International Airport
  • 20:40 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 3705)Boeing 737 Max 8 Passenger
  • 2h 35m
  • Direct
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • Boeing 737 Max 8 Passenger
  • 19:15 - 20:45
    PHL - STL
  • 19:15 (PHL)Philadelphia International Airport
  • 20:45 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 3705)Boeing 737 700
  • 2h 30m
  • Direct
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • Boeing 737 700
  • 19:30 - 21:05
    PHL - STL
  • 19:30 (PHL)Philadelphia International Airport
  • 21:05 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 3705)Boeing 737 800
  • 2h 35m
  • Direct
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • Boeing 737 800

Connecting Flights

  • 20:40 - 21:45
    PHL - BNA
    22:45 - 23:55
    BNA - STL
  • 20:40 (PHL)Philadelphia International Airport
    22:45 (BNA)Nashville Airport
  • 21:45 (BNA)Nashville Airport
    23:55 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 4981)Boeing 737 800
    Southwest Airlines (WN 1196)Boeing 737 Max 8 Passenger
  • 4h 15m (1h)
  • BNA Nashville 1h
    • -
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    • -
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    • S
  • 20:45 - 21:50
    PHL - MDW
    22:40 - 23:50
    MDW - STL
  • 20:45 (PHL)Philadelphia International Airport
    22:40 (MDW)Chicago Midway Airport
  • 21:50 (MDW)Chicago Midway Airport
    23:50 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 3194)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 4686)Boeing 737 Max 8 Passenger
  • 4h 05m (50m)
  • MDW Chicago 50m
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 06:25 - 07:30
    PHL - BNA
    08:35 - 09:50
    BNA - STL
  • 06:25 (PHL)Philadelphia International Airport
    08:35 (BNA)Nashville Airport
  • 07:30 (BNA)Nashville Airport
    09:50 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 663)Boeing 737 800
    Southwest Airlines (WN 4609)Boeing 737 800
  • 4h 25m (1h 05m)
  • BNA Nashville 1h 05m
    • -
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    • W
    • -
    • -
    • -
    • -
  • 06:30 - 07:35
    PHL - BNA
    08:45 - 09:55
    BNA - STL
  • 06:30 (PHL)Philadelphia International Airport
    08:45 (BNA)Nashville Airport
  • 07:35 (BNA)Nashville Airport
    09:55 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 663)Boeing 737 800
    Southwest Airlines (WN 4609)Boeing 737 700
  • 4h 25m (1h 10m)
  • BNA Nashville 1h 10m
    • M
    • -
    • -
    • T
    • F
    • -
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  • 06:50 - 07:55
    PHL - MDW
    10:05 - 11:15
    MDW - STL
  • 06:50 (PHL)Philadelphia International Airport
    10:05 (MDW)Chicago Midway Airport
  • 07:55 (MDW)Chicago Midway Airport
    11:15 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 4881)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 3487)Boeing 737 800
  • 5h 25m (2h 10m)
  • MDW Chicago 2h 10m
    • -
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  • 07:35 - 08:40
    PHL - MDW
    12:05 - 13:15
    MDW - STL
  • 07:35 (PHL)Philadelphia International Airport
    12:05 (MDW)Chicago Midway Airport
  • 08:40 (MDW)Chicago Midway Airport
    13:15 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 4881)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 3279)Boeing 737 700
  • 6h 40m (3h 25m)
  • MDW Chicago 3h 25m
    • -
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    • -
    • -
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  • 07:35 - 08:40
    PHL - MDW
    09:50 - 11:00
    MDW - STL
  • 07:35 (PHL)Philadelphia International Airport
    09:50 (MDW)Chicago Midway Airport
  • 08:40 (MDW)Chicago Midway Airport
    11:00 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 4881)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 5846)Boeing 737 Max 8 Passenger
  • 4h 25m (1h 10m)
  • MDW Chicago 1h 10m
    • -
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    • W
    • -
    • -
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  • 07:50 - 08:55
    PHL - MDW
    09:40 - 10:50
    MDW - STL
  • 07:50 (PHL)Philadelphia International Airport
    09:40 (MDW)Chicago Midway Airport
  • 08:55 (MDW)Chicago Midway Airport
    10:50 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 4881)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 5846)Boeing 737 Max 8 Passenger
  • 4h (45m)
  • MDW Chicago 45m
    • M
    • -
    • -
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    • F
    • -
    • -
  • 07:50 - 08:55
    PHL - MDW
    11:25 - 12:35
    MDW - STL
  • 07:50 (PHL)Philadelphia International Airport
    11:25 (MDW)Chicago Midway Airport
  • 08:55 (MDW)Chicago Midway Airport
    12:35 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 4881)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 3021)Boeing 737 700
  • 5h 45m (2h 30m)
  • MDW Chicago 2h 30m
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 15:25 - 16:35
    PHL - MDW
    18:00 - 19:05
    MDW - STL
  • 15:25 (PHL)Philadelphia International Airport
    18:00 (MDW)Chicago Midway Airport
  • 16:35 (MDW)Chicago Midway Airport
    19:05 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 4869)Boeing 737 700
    Southwest Airlines (WN 4685)Boeing 737 800
  • 4h 40m (1h 25m)
  • MDW Chicago 1h 25m
    • -
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    • W
    • -
    • -
    • -
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  • 15:30 - 17:55
    PHL - MCO
    19:45 - 21:15
    MCO - STL
  • 15:30 (PHL)Philadelphia International Airport
    19:45 (MCO)Orlando International Airport
  • 17:55 (MCO)Orlando International Airport
    21:15 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 3710)Boeing 737 800
    Southwest Airlines (WN 2854)Boeing 737 700
  • 6h 45m (1h 50m)
  • MCO Orlando 1h 50m
    • -
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    • S
    • -
  • 17:10 - 18:25
    PHL - MDW
    19:30 - 20:40
    MDW - STL
  • 17:10 (PHL)Philadelphia International Airport
    19:30 (MDW)Chicago Midway Airport
  • 18:25 (MDW)Chicago Midway Airport
    20:40 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 4869)Boeing 737 700
    Southwest Airlines (WN 4685)Boeing 737 800
  • 4h 30m (1h 05m)
  • MDW Chicago 1h 05m
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 19:55 - 21:00
    PHL - BNA
    21:50 - 23:05
    BNA - STL
  • 19:55 (PHL)Philadelphia International Airport
    21:50 (BNA)Nashville Airport
  • 21:00 (BNA)Nashville Airport
    23:05 (STL)St Louis Lambert Intl Airport
  • Southwest Airlines (WN 4981)Boeing 737 800
    Southwest Airlines (WN 4612)Boeing 737 Max 8 Passenger
  • 4h 10m (50m)
  • BNA Nashville 50m
    • M
    • -
    • -
    • T
    • F
    • -
    • -
No Schedules Sorry, there are no schedules matching your filters. Try removing one. reset
What’s the fastest flight time from Philadelphia to Saint Louis?

The fastest flight time for direct flights from Philadelphia to Saint Louis is 2 hours 20 minutes. Check latest flight schedules & prices on Wego.

How far is Saint Louis from Philadelphia?

The flight distance between Philadelphia and Saint Louis is 1301km. Check all available flights on Wego.

When is the earliest and latest flight of the day?

The earliest flight of the day departs at 06:25. The last flight of the day departs at 20:40. See the full list of flight times on Wego.

How many airlines offer direct flights from Philadelphia to Saint Louis?

There are 2 airlines that offer direct flights from Philadelphia to Saint Louis. Find out the list of airlines on Wego.