S$178 Cheap Flights from Philadelphia to Houston

View S$178 flight on Fri, 22 Aug, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Philadelphia to Houston (PHL-IAH)

Prices were available within the past 7 days and start at S$178 for one-way flights and S$305 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 22 Aug - Sun, 24 Aug
PHL
Philadelphia
IAH
Houston
S$305 Return, found 3 days ago
S$305
Return
found 3 days ago
Select Delta flight, departing Fri, 22 Aug from Philadelphia to Houston, returning Sun, 24 Aug, priced at S$305 found 3 days ago
Delta
Thu, 18 Sep - Sun, 21 Sep
PHL
Philadelphia
IAH
Houston
S$344 Return, found 4 hours ago
S$344
Return
found 4 hours ago
Select Delta flight, departing Thu, 18 Sep from Philadelphia to Houston, returning Sun, 21 Sep, priced at S$344 found 4 hours ago
Delta
Fri, 22 Aug - Sun, 24 Aug
PHL
Philadelphia
IAH
Houston
S$352 Return, found 3 days ago
S$352
Return
found 3 days ago
Select Delta flight, departing Fri, 22 Aug from Philadelphia to Houston, returning Sun, 24 Aug, priced at S$352 found 3 days ago
American Airlines
Thu, 18 Sep - Sun, 21 Sep
PHL
Philadelphia
IAH
Houston
S$362 Return, found 4 hours ago
S$362
Return
found 4 hours ago
Select American Airlines flight, departing Thu, 18 Sep from Philadelphia to Houston, returning Sun, 21 Sep, priced at S$362 found 4 hours ago
American Airlines
Fri, 22 Aug - Sun, 24 Aug
PHL
Philadelphia
IAH
Houston
S$363 Return, found 3 days ago
S$363
Return
found 3 days ago
Select American Airlines flight, departing Fri, 22 Aug from Philadelphia to Houston, returning Sun, 24 Aug, priced at S$363 found 3 days ago
United
Thu, 18 Sep - Sun, 21 Sep
PHL
Philadelphia
IAH
Houston
S$382 Return, found 4 hours ago
S$382
Return
found 4 hours ago
Select United flight, departing Thu, 18 Sep from Philadelphia to Houston, returning Sun, 21 Sep, priced at S$382 found 4 hours ago
United
Fri, 22 Aug - Sun, 24 Aug
PHL
Philadelphia
IAH
Houston
S$383 Return, found 3 days ago
S$383
Return
found 3 days ago
Select United flight, departing Fri, 22 Aug from Philadelphia to Houston, returning Sun, 24 Aug, priced at S$383 found 3 days ago
Delta
Thu, 18 Sep - Sun, 21 Sep
PHL
Philadelphia
IAH
Houston
S$392 Return, found 4 hours ago
S$392
Return
found 4 hours ago
Select Delta flight, departing Thu, 18 Sep from Philadelphia to Houston, returning Sun, 21 Sep, priced at S$392 found 4 hours ago
American Airlines
Thu, 18 Sep - Sun, 21 Sep
PHL
Philadelphia
IAH
Houston
S$393 Return, found 4 hours ago
S$393
Return
found 4 hours ago
Select American Airlines flight, departing Thu, 18 Sep from Philadelphia to Houston, returning Sun, 21 Sep, priced at S$393 found 4 hours ago
United
Thu, 18 Sep - Sun, 21 Sep
PHL
Philadelphia
IAH
Houston
S$394 Return, found 4 hours ago
S$394
Return
found 4 hours ago
Select United flight, departing Thu, 18 Sep from Philadelphia to Houston, returning Sun, 21 Sep, priced at S$394 found 4 hours ago

Find the cheapest month to fly from Philadelphia (PHL) to Houston (IAH)

August is typically the cheapest month to fly

From S$61 - S$238 per traveller.

Graph displaying average flight prices per month

Philadelphia to Houston route information
Origin airport
Philadelphia Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, United
Return price
S$304
Distance
2117 km
Average flight time
3 hours 11 mins

Flights from Philadelphia to Houston

There are several airlines that operate frequent flights from Philadelphia (PHL) to Houston (IAH) including

The earliest flight leaves Philadelphia Intl. Airport at 05:05 and arrives at George Bush Intercontinental Airport at 07:47. The last flight of the day departs Philadelphia at 18:45 and arrives at Houston at 21:39.

The flight distance from Philadelphia to Houston is about 2140 km, the shortest flight is 03 hours 17 minutes with United Airlines.

Expedia lets you search across the largest number of airlines and Houston flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Philadelphia Houston flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Philadelphia to Houston trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Houston flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Philadelphia to Houston with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Philadelphia Intl. Airport (PHL) to Houston Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight from Philadelphia Airport to George Bush Intercontinental Airport (IAH) was S$305. Great fares don't hang around, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Philadelphia Intl. Airport (PHL) to IAH?
This can differ from airline to airline, as each one has its own terms and conditions. Head to the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Philadelphia Intl. Airport (PHL) to Houston Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PHL to IAH flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PHL to George Bush Intercontinental Airport (IAH)?
The flight distance from Philadelphia Airport to Houston Airport is 2,100 kilometres. Bring a snack, a drink and an interesting book to read. Keep yourself entertained and the hours will zip by.
Which airlines fly direct from PHL to Houston Airport?
With so many airlines to select from, you'll be able to find the perfect flight from PHL to George Bush Intercontinental Airport (IAH) in a few clicks. Here's a list of the top carriers that fly between these airports:

  • United Airlines - (UA) with 91 monthly flights
  • American Airlines - (AA) with 39 monthly flights
  • Spirit Airlines - (NK) with 30 monthly flights
  • Frontier Airlines - (F9) with 8 monthly flights

Are Philadelphia Airport to Houston Airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Philadelphia Intl. Airport (PHL) to George Bush Intercontinental Airport (IAH) are available up to 12 months prior to departure on Expedia. And although you may score fantastic last-minute deals, it's never a sure thing. Also, booking your flights ahead of time means you'll have more choices --- and you can avoid getting stuck in the dreaded middle seat! We're constantly updating our fares to bring you the best bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

Houston Airports

Houston

Philadelphia to George Bush Intercontinental
S$304.20
*Available to Expedia members.