$193 Cheap United flights Houston (IAH) to Philadelphia (PHL)

View $193 flight on Fri, Sep 19, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$193 Cheap United flights Houston (IAH) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $193 for one-way flights and $437 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 3 - Sun, Sep 7
IAH
Houston
PHL
Philadelphia
$437 Roundtrip, just found
$437
Roundtrip
just found
Select United flight, departing Wed, Sep 3 from Houston to Philadelphia, returning Sun, Sep 7, priced at $437 just found
Flights from Houston (IAH) to Philadelphia (PHL)
Origin airport
George Bush Intercontinental
Destination airport
Philadelphia Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Spirit Airlines, United
Popular airline
Spirit Airlines
Distance
1323 mi
Average flight time
5 hours 21 mins

Frequently asked questions

How much is a United Airlines flight from George Bush Intercontinental Airport (IAH) to Philadelphia Intl. Airport (PHL)?
You'll find affordable return United Airlines flights from $437 from IAH to PHL by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from $193 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAH to PHL with United Airlines?
January is one of the cheapest months to fly to Philadelphia with United Airlines. You could also find great prices on one-way and round-trip fares in February.
What is the cheapest time to book flights from George Bush Intercontinental Airport (IAH) to Philadelphia Intl. Airport (PHL) with United Airlines?
Start searching one to three months ahead of your departure date to find cheaper fares on United Airlines flights from George Bush Intercontinental Airport (IAH) to Philadelphia Intl. Airport (PHL). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from George Bush Intercontinental Airport (IAH) to Philadelphia Intl. Airport (PHL)?
Take off on one of United Airlines's 19 direct weekly flights from George Bush Intercontinental Airport (IAH) to Philadelphia Intl. Airport (PHL). To see your options, enter your dates, origin and destination and hit search. Then select the "Nonstop" and "Airline" filters.
How long does it take to fly from IAH to PHL with United Airlines?
The journey time for a nonstop United Airlines flight from George Bush Intercontinental Airport (IAH) to Philadelphia Intl. Airport (PHL) takes around 3h 21m.
Which day of the week has the most United Airlines flights from George Bush Intercontinental Airport (IAH) to Philadelphia Intl. Airport (PHL)?
If it's flexibility you're after, Thursday offers the most choice for United Airlines flights from George Bush Intercontinental Airport (IAH) to Philadelphia Intl. Airport (PHL). You can pick from 3 different departures.
What is the earliest United Airlines flight from IAH to PHL?
Jetting off from IAH at 7:20AM UTC-6, the earliest United Airlines flight to PHL lands at 11:41AM UTC-5. Flying earlier in the day means you're less likely to experience delays.* Prefer a later start? The last United Airlines flight from IAH to PHL departs at 6:30PM UTC-6 and touches down at 10:45PM UTC-5.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Philadelphia?
Philadelphia Intl. Airport (PHL) is the main Philadelphia hub for United Airlines flights from George Bush Intercontinental Airport (IAH).
Why fly with United Airlines from IAH to PHL?
A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to jet off from IAH to PHL with United Airlines. Plus, when you join our One Key™ program, you can earn OneKeyCash™* in addition to United Airlines's loyalty program earnings. It's yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from George Bush Intercontinental Airport (IAH) to Philadelphia Intl. Airport (PHL)?
For the George Bush Intercontinental Airport (IAH) to Philadelphia Intl. Airport (PHL) route, United Airlines typically operates Boeing 737-900 and Embraer 175 planes. Remember that last-minute changes are possible for operational purposes, meaning your flight may be on a different aircraft.
Can I change or cancel my United Airlines flight from George Bush Intercontinental Airport (IAH) to Philadelphia Intl. Airport (PHL)?
Depending on your ticket type, a fee may apply if you cancel or change your booking more than 24 hours after confirmation. To find tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when you search for flights. To learn more about canceling or modifying your reservation, visit "Trips," select your flight and tick "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.