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Cheap flights from Philadelphia to Houston from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Houston departing on 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:29 pm - 6:21 pm
PHL
-
IAH
3h 52mnonstop
Frontier Logo
7:06 pm - 11:29 pm
IAH
-
PHL
3h 23mnonstop
$188Frontier
Sun, Apr 19 - Mon, Apr 27
Multiple Airlines Logo
8:18 am - 5:32 pm
PHL
-
IAH
10h 14m
1 stop
Multiple Airlines Logo
5:15 am - 11:25 pm
IAH
-
PHL
17h 10m
2 stops
$189Multiple Airlines
Tue, Mar 24 - Wed, Apr 8
Frontier Logo
5:30 am - 1:03 pm
PHL
-
IAH
8h 33m
1 stop
Frontier Logo
5:58 pm - 12:29 am
IAH
-
PHL
5h 31m
1 stop
$190Frontier
Thu, Apr 16 - Mon, Apr 20
Frontier Logo
6:10 am - 5:17 pm
PHL
-
IAH
12h 07m
1 stop
Frontier Logo
5:53 pm - 12:54 am
IAH
-
PHL
6h 01m
1 stop
$191Frontier
Tue, Mar 24 - Wed, Apr 8
Frontier Logo
3:29 pm - 6:21 pm
PHL
-
IAH
3h 52mnonstop
Frontier Logo
7:16 pm - 11:39 pm
IAH
-
PHL
3h 23mnonstop
$192Frontier
Thu, Apr 16 - Mon, Apr 20
Frontier Logo
10:38 pm - 8:38 am
PHL
-
IAH
11h 00m
1 stop
Frontier Logo
7:16 pm - 11:39 pm
IAH
-
PHL
3h 23mnonstop
$193Frontier
Fri, May 15 - Mon, May 18
Frontier Logo
3:29 pm - 6:21 pm
PHL
-
IAH
3h 52mnonstop
Frontier Logo
7:16 pm - 11:39 pm
IAH
-
PHL
3h 23mnonstop
$194Frontier
Sun, May 10 - Mon, May 18
Multiple Airlines Logo
8:20 am - 11:19 am
PHL
-
IAH
3h 59mnonstop
Multiple Airlines Logo
11:19 am - 11:56 pm
IAH
-
PHL
11h 37m
1 stop
$195Multiple Airlines
Mon, Mar 30 - Tue, Mar 31
Frontier Logo
3:01 pm - 5:53 pm
PHL
-
IAH
3h 52mnonstop
Frontier Logo
8:39 pm - 1:02 am
IAH
-
PHL
3h 23mnonstop
$196Frontier
Fri, Apr 10 - Mon, Apr 13
Multiple Airlines Logo
6:00 am - 12:07 pm
PHL
-
IAH
7h 07m
1 stop
Multiple Airlines Logo
2:12 pm - 7:41 am
IAH
-
PHL
16h 29m
1 stop
$197Multiple Airlines
Tue, Apr 28 - Fri, May 1

Spirit Airlines flights from Philadelphia to Houston George Bush Intcntl Airport

Our best Spirit Airlines deals on Philadelphia to Houston George Bush Intcntl Airport flight tickets
Spirit Airlines
Mar 23
PHL6:08 pmPhiladelphia
6h 51m
1 stop
IAH11:59 pmHouston George Bush Intcntl
Mar 26
IAH4:30 pmHouston George Bush Intcntl
5h 22m
1 stop
PHL10:52 pmPhiladelphia
$194
Spirit Airlines
Mar 17
PHL8:18 amPhiladelphia
10h 14m
1 stop
IAH5:32 pmHouston George Bush Intcntl
Mar 25
IAH8:00 amHouston George Bush Intcntl
7h 26m
1 stop
PHL4:26 pmPhiladelphia
$197
Spirit Airlines
Mar 23
PHL6:08 pmPhiladelphia
6h 51m
1 stop
IAH11:59 pmHouston George Bush Intcntl
Mar 25
IAH4:11 pmHouston George Bush Intcntl
5h 41m
1 stop
PHL10:52 pmPhiladelphia
$198

Frontier flights from Philadelphia to Houston George Bush Intcntl Airport

Our best Frontier deals on Philadelphia to Houston George Bush Intcntl Airport flight tickets
Frontier
Apr 19
PHL3:29 pmPhiladelphia
3h 52m
IAH6:21 pmHouston George Bush Intcntl
Apr 27
IAH7:06 pmHouston George Bush Intcntl
3h 23m
PHL11:29 pmPhiladelphia
$188
Frontier
Apr 16
PHL5:30 amPhiladelphia
8h 33m
1 stop
IAH1:03 pmHouston George Bush Intcntl
Apr 20
IAH5:58 pmHouston George Bush Intcntl
5h 31m
1 stop
PHL12:29 amPhiladelphia
$190
Frontier
Mar 24
PHL6:10 amPhiladelphia
12h 07m
1 stop
IAH5:17 pmHouston George Bush Intcntl
Apr 8
IAH5:53 pmHouston George Bush Intcntl
6h 01m
1 stop
PHL12:54 amPhiladelphia
$191

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Houston George Bush Intcntl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Philadelphia to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sun 4/19

3:29 pm-6:21 pm

Nonstop3h 52m

Houston George Bush Intcntl

Mon 4/27

7:06 pm-11:29 pm

Nonstop3h 23m

$188

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 3/24

8:18 am-5:32 pm

1 stop10h 14m

Houston George Bush Intcntl

Wed 4/8

5:15 am-11:25 pm

2 stops17h 10m

$189

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 4/16

5:30 am-1:03 pm

1 stop8h 33m

Houston George Bush Intcntl

Mon 4/20

5:58 pm-12:29 am

1 stop5h 31m

$190

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 3/24

6:10 am-5:17 pm

1 stop12h 07m

Houston George Bush Intcntl

Wed 4/8

5:53 pm-12:54 am

1 stop6h 01m

$191

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 4/16

3:29 pm-6:21 pm

Nonstop3h 52m

Houston George Bush Intcntl

Mon 4/20

7:16 pm-11:39 pm

Nonstop3h 23m

$192

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 5/15

10:38 pm-8:38 am

1 stop11h 00m

Houston George Bush Intcntl

Mon 5/18

7:16 pm-11:39 pm

Nonstop3h 23m

$193

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sun 5/10

3:29 pm-6:21 pm

Nonstop3h 52m

Houston George Bush Intcntl

Mon 5/18

7:16 pm-11:39 pm

Nonstop3h 23m

$194

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 3/30

8:20 am-11:19 am

Nonstop3h 59m

Houston George Bush Intcntl

Tue 3/31

11:19 am-11:56 pm

1 stop11h 37m

$195

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 4/10

3:01 pm-5:53 pm

Nonstop3h 52m

Houston George Bush Intcntl

Mon 4/13

8:39 pm-1:02 am

Nonstop3h 23m

$196

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 4/28

6:00 am-12:07 pm

1 stop7h 07m

Houston George Bush Intcntl

Fri 5/1

2:12 pm-7:41 am

1 stop16h 29m

$197

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Philadelphia to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Philadelphia, with most prices found around $276. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Philadelphia during the month June is also very affordable. Most momondo users find prices during this month for around $287.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Philadelphia to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $339. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $469.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Philadelphia to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $264. Try not to purchase tickets in the morning because they tend to be around $378. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Philadelphia to Houston George Bush Intcntl flight route?

Fly from Philadelphia to Houston George Bush Intcntl for the best Philadelphia - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $329 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Philadelphia for as low as $267 on momondo.

What cabin class options are available on Philadelphia to Houston George Bush Intcntl flights?

There are 4 cabin classes available to choose from on Philadelphia to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Philadelphia to Houston George Bush Intcntl Airport flight prices changed over time?

As of March 2026, prices for Philadelphia to Houston George Bush Intcntl Airport flights are approximately 79% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Houston George Bush Intcntl Airport (PHL to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Houston George Bush Intcntl Airport

Best Price Found

$174

Fastest flight time

3h 29m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Philadelphia in the past 72 hours is $174. The best round-trip flight deal from Philadelphia to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $305.
The fastest flight from Philadelphia to Houston George Bush Intcntl Airport takes 3h 29m
Direct flights go from Philadelphia to Houston George Bush Intcntl Airport every day.
Search flight deals

  • How far is Philadelphia to Houston George Bush Intcntl by plane?

    Houston George Bush Intcntl is 1328.8 mi away from Philadelphia. Typically, this will take 3h 29m by plane in normal conditions.

  • When did momondo last update prices for flights from Philadelphia Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Philadelphia Airport to Houston George Bush Intcntl Airport refresh daily.

  • How many operators does momondo search for flights from Philadelphia Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Philadelphia Airport to Houston George Bush Intcntl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents you'll need for your trip to Houston George Bush Intcntl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Philadelphia to Houston George Bush Intcntl Airport?

  • What is the most popular airline from Philadelphia to Houston George Bush Intcntl Airport?

Best airlines flying from Philadelphia to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Philadelphia to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $81Free CancellationRating
6.3
8,513 reviews
Search Spirit Airlines flights
FrontierPriceFrom $109Free CancellationRating
5.7
3,033 reviews
Search Frontier flights
American AirlinesPriceFrom $220Free CancellationRating
7.1
11,414 reviews
Search American Airlines flights
United AirlinesPriceFrom $224Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,276 reviews
Search Delta flights
JetBluePriceFrom $252Free CancellationRating
7.2
2,900 reviews
Search JetBlue flights

  • United Airlines Flights From Philadelphia to Houston George Bush Intcntl Airport

    United Airlines flight deals from Philadelphia to Houston George Bush Intcntl Airport start from $224 round-trip. Over the 23 United Airlines flights for this route in a normal week, average airfare is usually $370 round-trip - but some users have found much cheaper deals with momondo.

  • American Airlines Flights From Philadelphia to Houston George Bush Intcntl Airport

    The best American Airlines deal for Philadelphia to Houston George Bush Intcntl Airport flight tickets found on momondo in the last 72 hours was $220, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $340 round-trip. American Airlines operates 13 flights out of Philadelphia into Houston George Bush Intcntl Airport in an average week, so prices vary by time and availability. 11,414 American Airlines reviews by users on momondo have scored the airline at 7.1/10.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Conroe
Humble
Cypress
Spring
Montgomery
Tomball
Jersey Village
Livingston

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Houston?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from Philadelphia.

Can I find flights from Philadelphia to Houston with flexible booking policies on momondo?

Yes. All flights to Houston from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Philadelphia to Houston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Philadelphia to Houston.

I’m not ready to book a flight from Philadelphia to Houston right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to Houston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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