Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Spirit Airlines

The cheapest airline(s) flying from Houston to Philadelphia is Spirit Airlines.

  • Spirit Airlines Spirit Airlines
  • Frontier Airlines Frontier Airlines
  • American Airlines American Airlines
  • Delta Air Lines Delta Air Lines
  • United Airlines United Airlines
  • JetBlue Airways JetBlue Airways
  • Sun Country Airlines Sun Country Airlines
  • Alaska Airlines Alaska Airlines
Cheapest Month September

Travel Period: June 2024 - May 2025

The cheapest month(s) to fly from Houston to Philadelphia is September.

  • 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 Thursday

The cheapest day(s) of the week to fly from Houston to Philadelphia is Thursday.

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

The cheapest time of the day to fly from Houston to Philadelphia is in the morning.

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

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  • Total Duration
    • Shortest
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  • Availability
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • 07:50 - 12:10
    IAH - PHL
  • 07:50 (IAH)Houston George Bush Intercontinental Airport
  • 12:10 (PHL)Philadelphia International Airport
  • United Airlines (UA 1593)Airbus
  • 3h 20m
  • Direct
    • M
    • T
    • W
    • T
    • F
    • S
    • -
  • Airbus
  • 08:33 - 12:55
    IAH - PHL
  • 08:33 (IAH)Houston George Bush Intercontinental Airport
  • 12:55 (PHL)Philadelphia International Airport
  • American Airlines (AA 1520)Airbus
  • 3h 22m
  • Direct
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • Airbus
  • 12:40 - 16:56
    IAH - PHL
  • 12:40 (IAH)Houston George Bush Intercontinental Airport
  • 16:56 (PHL)Philadelphia International Airport
  • United Airlines (UA 2321)Airbus
  • 3h 16m
  • Direct
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • Airbus
  • 13:29 - 17:50
    IAH - PHL
  • 13:29 (IAH)Houston George Bush Intercontinental Airport
  • 17:50 (PHL)Philadelphia International Airport
  • American Airlines (AA 2427)Airbus
  • 3h 21m
  • Direct
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • Airbus
  • 18:05 - 22:25
    IAH - PHL
  • 18:05 (IAH)Houston George Bush Intercontinental Airport
  • 22:25 (PHL)Philadelphia International Airport
  • United Airlines (UA 1143)Boeing 737 800
  • 3h 20m
  • Direct
    • M
    • T
    • W
    • T
    • F
    • -
    • S
  • Boeing 737 800

Connecting Flights

  • 05:05 - 07:30
    HOU - MDW
    08:45 - 11:45
    MDW - PHL
  • 05:05 (HOU)Houston Hobby Airport
    08:45 (MDW)Chicago Midway Airport
  • 07:30 (MDW)Chicago Midway Airport
    11:45 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 5487)Boeing 737 800
    Southwest Airlines (WN 3706)Boeing 737 Max 8 Passenger
  • 5h 40m (1h 15m)
  • MDW Chicago 1h 15m
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 05:35 - 07:30
    HOU - STL
    08:30 - 11:45
    STL - PHL
  • 05:35 (HOU)Houston Hobby Airport
    08:30 (STL)St Louis Lambert Intl Airport
  • 07:30 (STL)St Louis Lambert Intl Airport
    11:45 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 4649)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 3710)Boeing 737 800
  • 5h 10m (1h)
  • STL Saint Louis 1h
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 05:45 - 07:45
    HOU - STL
    08:30 - 11:35
    STL - PHL
  • 05:45 (HOU)Houston Hobby Airport
    08:30 (STL)St Louis Lambert Intl Airport
  • 07:45 (STL)St Louis Lambert Intl Airport
    11:35 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 4649)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 3710)Boeing 737 700
  • 4h 50m (45m)
  • STL Saint Louis 45m
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 05:45 - 07:40
    HOU - STL
    08:30 - 11:45
    STL - PHL
  • 05:45 (HOU)Houston Hobby Airport
    08:30 (STL)St Louis Lambert Intl Airport
  • 07:40 (STL)St Louis Lambert Intl Airport
    11:45 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 4649)Boeing 737 700
    Southwest Airlines (WN 3710)Boeing 737 800
  • 5h (50m)
  • STL Saint Louis 50m
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 10:25 - 13:30
    BNA - PHL
    06:25 - 07:30
    HOU - MSY
  • 10:25 (BNA)Nashville Airport
    06:25 (HOU)Houston Hobby Airport
  • 13:30 (PHL)Philadelphia International Airport
    07:30 (MSY)New Orleans Louis Armstrong Intl Airport
  • Southwest Airlines (WN 2022)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 3372)Boeing 737 800
  • 6h 05m (1h 25m)
  • PHL Philadelphia 1h 25m
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 06:30 - 09:00
    HOU - MDW
    11:50 - 14:45
    MDW - PHL
  • 06:30 (HOU)Houston Hobby Airport
    11:50 (MDW)Chicago Midway Airport
  • 09:00 (MDW)Chicago Midway Airport
    14:45 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 5791)Boeing 737 700
    Southwest Airlines (WN 3707)Boeing 737 700
  • 7h 15m (2h 50m)
  • MDW Chicago 2h 50m
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 07:05 - 09:00
    IAH - BNA
    09:55 - 12:55
    BNA - PHL
  • 07:05 (IAH)Houston George Bush Intercontinental Airport
    09:55 (BNA)Nashville Airport
  • 09:00 (BNA)Nashville Airport
    12:55 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 586)Boeing 737 800
    Southwest Airlines (WN 102)Boeing 737 800
  • 4h 50m (55m)
  • BNA Nashville 55m
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 07:25 - 09:20
    IAH - BNA
    10:25 - 13:30
    BNA - PHL
  • 07:25 (IAH)Houston George Bush Intercontinental Airport
    10:25 (BNA)Nashville Airport
  • 09:20 (BNA)Nashville Airport
    13:30 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 586)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 2022)Boeing 737 Max 8 Passenger
  • 5h 05m (1h 05m)
  • BNA Nashville 1h 05m
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 07:30 - 09:35
    HOU - BNA
    10:25 - 13:30
    BNA - PHL
  • 07:30 (HOU)Houston Hobby Airport
    10:25 (BNA)Nashville Airport
  • 09:35 (BNA)Nashville Airport
    13:30 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 4941)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 2022)Boeing 737 Max 8 Passenger
  • 5h (50m)
  • BNA Nashville 50m
    • M
    • T
    • W
    • T
    • F
    • -
    • -
  • 07:40 - 09:35
    IAH - BNA
    10:25 - 13:30
    BNA - PHL
  • 07:40 (IAH)Houston George Bush Intercontinental Airport
    10:25 (BNA)Nashville Airport
  • 09:35 (BNA)Nashville Airport
    13:30 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 586)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 2022)Boeing 737 Max 8 Passenger
  • 4h 50m (50m)
  • BNA Nashville 50m
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 08:20 - 11:00
    HOU - MDW
    12:10 - 15:10
    MDW - PHL
  • 08:20 (HOU)Houston Hobby Airport
    12:10 (MDW)Chicago Midway Airport
  • 11:00 (MDW)Chicago Midway Airport
    15:10 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 6128)Boeing 737 800
    Southwest Airlines (WN 3707)Boeing 737 800
  • 5h 50m (1h 10m)
  • MDW Chicago 1h 10m
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 09:05 - 11:25
    IAH - MDW
    12:10 - 15:10
    MDW - PHL
  • 09:05 (IAH)Houston George Bush Intercontinental Airport
    12:10 (MDW)Chicago Midway Airport
  • 11:25 (MDW)Chicago Midway Airport
    15:10 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 3116)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 3707)Boeing 737 800
  • 5h 05m (45m)
  • MDW Chicago 45m
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 09:10 - 12:35
    HOU - MCO
    14:55 - 17:30
    MCO - PHL
  • 09:10 (HOU)Houston Hobby Airport
    14:55 (MCO)Orlando International Airport
  • 12:35 (MCO)Orlando International Airport
    17:30 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 5084)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 5198)Boeing 737 800
  • 7h 20m (2h 20m)
  • MCO Orlando 2h 20m
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 10:25 - 11:55
    HOU - DEN
    12:45 - 18:15
    DEN - PHL
  • 10:25 (HOU)Houston Hobby Airport
    12:45 (DEN)Denver Intl Airport
  • 11:55 (DEN)Denver Intl Airport
    18:15 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 3400)Boeing 737 800
    Southwest Airlines (WN 2614)Boeing 737 Max 8 Passenger
  • 6h 50m (50m)
  • DEN Denver 50m
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 10:40 - 14:00
    HOU - MCO
    16:00 - 18:35
    MCO - PHL
  • 10:40 (HOU)Houston Hobby Airport
    16:00 (MCO)Orlando International Airport
  • 14:00 (MCO)Orlando International Airport
    18:35 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 931)Boeing 737 700
    Southwest Airlines (WN 3705)Boeing 737 700
  • 6h 55m (2h)
  • MCO Orlando 2h
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 10:45 - 12:40
    HOU - BNA
    13:30 - 16:30
    BNA - PHL
  • 10:45 (HOU)Houston Hobby Airport
    13:30 (BNA)Nashville Airport
  • 12:40 (BNA)Nashville Airport
    16:30 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 2099)Boeing 737 800
    Southwest Airlines (WN 2022)Boeing 737 700
  • 4h 45m (50m)
  • BNA Nashville 50m
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 11:20 - 13:15
    HOU - BNA
    15:35 - 18:35
    BNA - PHL
  • 11:20 (HOU)Houston Hobby Airport
    15:35 (BNA)Nashville Airport
  • 13:15 (BNA)Nashville Airport
    18:35 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 2099)Boeing 737 800
    Southwest Airlines (WN 2022)Boeing 737 Max 8 Passenger
  • 6h 15m (2h 20m)
  • BNA Nashville 2h 20m
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 11:25 - 13:45
    IAH - MDW
    15:45 - 18:45
    MDW - PHL
  • 11:25 (IAH)Houston George Bush Intercontinental Airport
    15:45 (MDW)Chicago Midway Airport
  • 13:45 (MDW)Chicago Midway Airport
    18:45 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 5795)Boeing 737 700
    Southwest Airlines (WN 2159)Boeing 737 800
  • 6h 20m (2h)
  • MDW Chicago 2h
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 11:40 - 14:10
    HOU - MDW
    16:40 - 19:35
    MDW - PHL
  • 11:40 (HOU)Houston Hobby Airport
    16:40 (MDW)Chicago Midway Airport
  • 14:10 (MDW)Chicago Midway Airport
    19:35 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 460)Boeing 737 700
    Southwest Airlines (WN 2159)Boeing 737 Max 8 Passenger
  • 6h 55m (2h 30m)
  • MDW Chicago 2h 30m
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 11:50 - 14:45
    HOU - ATL
    17:10 - 19:10
    ATL - PHL
  • 11:50 (HOU)Houston Hobby Airport
    17:10 (ATL)Atlanta Hartsfield-Jackson Intl Airport
  • 14:45 (ATL)Atlanta Hartsfield-Jackson Intl Airport
    19:10 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 717)Boeing 737 700
    Southwest Airlines (WN 5776)Boeing 737 800
  • 6h 20m (2h 25m)
  • ATL Atlanta 2h 25m
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 12:35 - 16:00
    HOU - MCO
    16:55 - 19:30
    MCO - PHL
  • 12:35 (HOU)Houston Hobby Airport
    16:55 (MCO)Orlando International Airport
  • 16:00 (MCO)Orlando International Airport
    19:30 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 931)Boeing 737 800
    Southwest Airlines (WN 3194)Boeing 737 800
  • 5h 55m (55m)
  • MCO Orlando 55m
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 12:40 - 15:05
    IAH - MDW
    17:15 - 20:10
    MDW - PHL
  • 12:40 (IAH)Houston George Bush Intercontinental Airport
    17:15 (MDW)Chicago Midway Airport
  • 15:05 (MDW)Chicago Midway Airport
    20:10 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 549)Boeing 737 700
    Southwest Airlines (WN 2159)Boeing 737 800
  • 6h 30m (2h 10m)
  • MDW Chicago 2h 10m
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 14:20 - 16:45
    HOU - MDW
    19:30 - 22:20
    MDW - PHL
  • 14:20 (HOU)Houston Hobby Airport
    19:30 (MDW)Chicago Midway Airport
  • 16:45 (MDW)Chicago Midway Airport
    22:20 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 3970)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 3709)Boeing 737 800
  • 7h (2h 45m)
  • MDW Chicago 2h 45m
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 14:35 - 17:35
    HOU - ATL
    18:35 - 20:35
    ATL - PHL
  • 14:35 (HOU)Houston Hobby Airport
    18:35 (ATL)Atlanta Hartsfield-Jackson Intl Airport
  • 17:35 (ATL)Atlanta Hartsfield-Jackson Intl Airport
    20:35 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 2452)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 5776)Boeing 737 700
  • 5h (1h)
  • ATL Atlanta 1h
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • 15:10 - 17:00
    IAH - BNA
    20:55 - 23:55
    BNA - PHL
  • 15:10 (IAH)Houston George Bush Intercontinental Airport
    20:55 (BNA)Nashville Airport
  • 17:00 (BNA)Nashville Airport
    23:55 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 590)Boeing 737 700
    Southwest Airlines (WN 2168)Boeing 737 700
  • 7h 45m (3h 55m)
  • BNA Nashville 3h 55m
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 15:10 - 16:45
    HOU - DEN
    17:35 - 23:15
    DEN - PHL
  • 15:10 (HOU)Houston Hobby Airport
    17:35 (DEN)Denver Intl Airport
  • 16:45 (DEN)Denver Intl Airport
    23:15 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 5524)Boeing 737 700
    Southwest Airlines (WN 714)Boeing 737 800
  • 7h 05m (50m)
  • DEN Denver 50m
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 15:10 - 17:10
    HOU - STL
    19:20 - 22:25
    STL - PHL
  • 15:10 (HOU)Houston Hobby Airport
    19:20 (STL)St Louis Lambert Intl Airport
  • 17:10 (STL)St Louis Lambert Intl Airport
    22:25 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 4651)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 3711)Boeing 737 Max 8 Passenger
  • 6h 15m (2h 10m)
  • STL Saint Louis 2h 10m
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 15:30 - 17:55
    IAH - MDW
    19:30 - 22:20
    MDW - PHL
  • 15:30 (IAH)Houston George Bush Intercontinental Airport
    19:30 (MDW)Chicago Midway Airport
  • 17:55 (MDW)Chicago Midway Airport
    22:20 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 3118)Boeing 737 700
    Southwest Airlines (WN 3709)Boeing 737 Max 8 Passenger
  • 5h 50m (1h 35m)
  • MDW Chicago 1h 35m
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 16:05 - 18:35
    IAH - MDW
    19:30 - 22:20
    MDW - PHL
  • 16:05 (IAH)Houston George Bush Intercontinental Airport
    19:30 (MDW)Chicago Midway Airport
  • 18:35 (MDW)Chicago Midway Airport
    22:20 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 3118)Boeing 737 800
    Southwest Airlines (WN 3709)Boeing 737 800
  • 5h 15m (55m)
  • MDW Chicago 55m
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 16:25 - 18:20
    HOU - BNA
    20:25 - 23:25
    BNA - PHL
  • 16:25 (HOU)Houston Hobby Airport
    20:25 (BNA)Nashville Airport
  • 18:20 (BNA)Nashville Airport
    23:25 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 6198)Boeing 737 700
    Southwest Airlines (WN 375)Boeing 737 700
  • 6h (2h 05m)
  • BNA Nashville 2h 05m
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 16:50 - 18:50
    IAH - BNA
    20:25 - 23:25
    BNA - PHL
  • 16:50 (IAH)Houston George Bush Intercontinental Airport
    20:25 (BNA)Nashville Airport
  • 18:50 (BNA)Nashville Airport
    23:25 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 590)Boeing 737 700
    Southwest Airlines (WN 375)Boeing 737 700
  • 5h 35m (1h 35m)
  • BNA Nashville 1h 35m
    • -
    • T
    • W
    • -
    • -
    • -
    • -
  • 16:55 - 18:50+ 1
    HOU - BNA
    21:05 - 00:05+ 1
    BNA - PHL
  • 16:55 (HOU)Houston Hobby Airport
    21:05 (BNA)Nashville Airport
  • 18:50 (BNA)Nashville Airport + 1
    00:05 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 6198)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 2168)Boeing 737 700
  • 6h 10m (2h 15m)
  • BNA Nashville 2h 15m
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 17:00 - 18:55+ 1
    IAH - BNA
    21:05 - 00:05+ 1
    BNA - PHL
  • 17:00 (IAH)Houston George Bush Intercontinental Airport
    21:05 (BNA)Nashville Airport
  • 18:55 (BNA)Nashville Airport + 1
    00:05 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 590)Boeing 737 800
    Southwest Airlines (WN 2168)Boeing 737 700
  • 6h 05m (2h 10m)
  • BNA Nashville 2h 10m
    • M
    • -
    • -
    • T
    • F
    • -
    • -
  • 17:35 - 19:45+ 1
    HOU - STL
    21:10 - 00:20+ 1
    STL - PHL
  • 17:35 (HOU)Houston Hobby Airport
    21:10 (STL)St Louis Lambert Intl Airport
  • 19:45 (STL)St Louis Lambert Intl Airport + 1
    00:20 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 6103)Boeing 737 Max 8 Passenger
    Southwest Airlines (WN 3711)Boeing 737 Max 8 Passenger
  • 5h 45m (1h 25m)
  • STL Saint Louis 1h 25m
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • 17:55 - 19:55
    HOU - BNA
    20:55 - 23:55
    BNA - PHL
  • 17:55 (HOU)Houston Hobby Airport
    20:55 (BNA)Nashville Airport
  • 19:55 (BNA)Nashville Airport
    23:55 (PHL)Philadelphia International Airport
  • Southwest Airlines (WN 6198)Boeing 737 800
    Southwest Airlines (WN 2168)Boeing 737 700
  • 5h (1h)
  • BNA Nashville 1h
    • -
    • -
    • -
    • -
    • -
    • -
    • S
No Schedules Sorry, there are no schedules matching your filters. Try removing one. reset
What’s the fastest flight time from Houston to Philadelphia?

The fastest flight time for direct flights from Houston to Philadelphia is 3 hours 16 minutes. Check latest flight schedules & prices on Wego.

How far is Philadelphia from Houston?

The flight distance between Houston and Philadelphia is 2157km. Check all available flights on Wego.

When is the earliest and latest flight of the day?

The earliest flight of the day departs at 05:05. The last flight of the day departs at 05:05. See the full list of flight times on Wego.

How many airlines offer direct flights from Houston to Philadelphia?

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