Houston to Philadelphia flights
The cheapest round trip we found from Houston to Philadelphia is $312 (Dec 20 – 28, 1 stop), 11% below the usual $349.
HOU to PHL · Round trip · Economy · Prices per person in USD · Price found (4 hours ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $349 |
| December 2026 | $312 (cheapest month) |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 20 – 28 8 nights · leave Sun$312 −11% vs usual$312 −11% vs usual Book
Frontier Airlines 1 stop · 4h 21m -
Nov 21 – 25 4 nights · leave Sat$349$349 Book
Frontier Airlines 1 stop · 5h 20m
-
Nov 21 – 24 3 nights · leave Sat$349$349 Book
Frontier Airlines 1 stop · 5h 20m
-
Nov 21 – 23 2 nights · leave Sat$375 +7% vs usual$375 +7% vs usual Book
Frontier Airlines 1 stop · 5h 20m
-
Nov 22 – 25 3 nights · leave Sun$385 +10% vs usual$385 +10% vs usual Book
Frontier Airlines 1 stop · 5h 21m
-
Nov 22 – 24 2 nights · leave Sun$386 +11% vs usual$386 +11% vs usual Book
Frontier Airlines 1 stop · 5h 21m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Philadelphia
One Go City pass for Eastern State Penitentiary, Longwood Gardens, The Franklin Institute and more
- All-Inclusive Pass Unlimited Visit as many attractions as you like for 1–6 days from $59 See pass
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Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.
Plan the rest of your trip
Philadelphia · Dec 20 – 28Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
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Flights to Philadelphia from other cities
All flights to Philadelphia
Houston to Philadelphia: questions
How much does a flight from Houston to Philadelphia cost?
The cheapest round trip we have found right now is $312, leaving December 20 and returning December 28. The usual price on this route is about $349, so this fare is 11% less. Prices are per person, economy, in USD.
Which airports do Houston to Philadelphia flights use?
Houston airports include George Bush Intercontinental (IAH) and William P. Hobby (HOU). Philadelphia airports include Philadelphia International (PHL) and Trenton-Mercer (TTN). The prices on this page cover every airport in both cities (HOU and PHL are the city codes).
About this route
We track round-trip economy fares from Houston (United States) to Philadelphia (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $312, departing December 20 and returning December 28, about 11% below the usual $349. Right now we're following 6 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $312. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.