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Cheap flights from Philadelphia to Houston from $103

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 1/23. 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

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Spirit Airlines Logo
6:18 pm - 3:19 pm
PHL
-
IAH
22h 01m
2 stops
Spirit Airlines Logo
12:16 pm - 8:44 am
IAH
-
PHL
19h 28m
2 stops
$203Spirit Airlines
Mon, Feb 9 - Mon, Feb 23
Spirit Airlines Logo
7:46 pm - 7:34 pm
PHL
-
IAH
24h 48m
3 stops
Spirit Airlines Logo
4:22 pm - 11:50 pm
IAH
-
PHL
6h 28m
1 stop
$204Spirit Airlines
Tue, Feb 17 - Thu, Feb 26
Multiple Airlines Logo
5:30 am - 5:12 pm
PHL
-
IAH
12h 42m
1 stop
Multiple Airlines Logo
6:00 am - 4:26 pm
IAH
-
PHL
9h 26m
2 stops
$205Multiple Airlines
Thu, Feb 12 - Tue, Feb 24
Multiple Airlines Logo
8:06 am - 5:12 pm
PHL
-
IAH
10h 06m
2 stops
Multiple Airlines Logo
6:07 pm - 1:01 am
IAH
-
PHL
5h 54m
1 stop
$206Multiple Airlines
Thu, Feb 19 - Mon, Feb 23
Spirit Airlines Logo
6:00 am - 12:08 pm
PHL
-
IAH
7h 08m
1 stop
Spirit Airlines Logo
5:05 am - 4:36 pm
IAH
-
PHL
10h 31m
2 stops
$207Spirit Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
8:25 pm - 8:58 am
PHL
-
IAH
13h 33m
1 stop
Multiple Airlines Logo
4:20 pm - 10:52 pm
IAH
-
PHL
5h 32m
1 stop
$208Multiple Airlines
Thu, Mar 26 - Mon, Mar 30
Frontier Logo
10:38 am - 8:20 pm
PHL
-
IAH
10h 42m
1 stop
Frontier Logo
12:14 pm - 4:34 pm
IAH
-
PHL
3h 20mnonstop
$209Frontier
Wed, Mar 25 - Mon, Mar 30
Frontier Logo
4:10 pm - 8:20 pm
PHL
-
IAH
29h 10m
1 stop
Frontier Logo
7:23 pm - 11:46 pm
IAH
-
PHL
3h 23mnonstop
$210Frontier
Tue, Mar 24 - Thu, Apr 9
Multiple Airlines Logo
9:00 am - 6:53 pm
PHL
-
IAH
34h 53m
2 stops
Multiple Airlines Logo
6:07 pm - 10:24 am
IAH
-
PHL
15h 17m
1 stop
$211Multiple Airlines
Fri, Feb 13 - Tue, Feb 17
Spirit Airlines Logo
5:26 pm - 11:20 pm
PHL
-
IAH
6h 54m
1 stop
Spirit Airlines Logo
4:22 pm - 12:16 am
IAH
-
PHL
6h 54m
1 stop
$212Spirit Airlines
Wed, Mar 11 - Sat, Mar 14

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
Feb 27
PHL10:59 pmPhiladelphia
12h 18m
1 stop
IAH10:17 amHouston George Bush Intcntl
Mar 2
IAH6:00 amHouston George Bush Intcntl
8h 47m
1 stop
PHL3:47 pmPhiladelphia
$204
Frontier
Feb 11
PHL11:40 amPhiladelphia
6h 32m
1 stop
IAH5:12 pmHouston George Bush Intcntl
Mar 14
IAH6:13 pmHouston George Bush Intcntl
12h 54m
1 stop
PHL8:07 amPhiladelphia
$208
Frontier
Mar 25
PHL10:38 amPhiladelphia
10h 42m
1 stop
IAH8:20 pmHouston George Bush Intcntl
Mar 30
IAH12:14 pmHouston George Bush Intcntl
3h 20m
PHL4:34 pmPhiladelphia
$209

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
Jan 21
PHL1:40 pmPhiladelphia
7h 43m
1 stop
IAH8:23 pmHouston George Bush Intcntl
Jan 23
IAH4:35 pmHouston George Bush Intcntl
6h 15m
1 stop
PHL11:50 pmPhiladelphia
$203
Spirit Airlines
May 5
PHL6:00 amPhiladelphia
7h 08m
1 stop
IAH12:08 pmHouston George Bush Intcntl
May 12
IAH5:05 amHouston George Bush Intcntl
10h 31m
2 stops
PHL4:36 pmPhiladelphia
$207
Spirit Airlines
Jan 27
PHL1:40 pmPhiladelphia
7h 43m
1 stop
IAH8:23 pmHouston George Bush Intcntl
Jan 29
IAH12:16 pmHouston George Bush Intcntl
8h 47m
1 stop
PHL10:03 pmPhiladelphia
$208

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 January 20, 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

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 2/9

6:18 pm-3:19 pm

2 stops22h 01m

Houston George Bush Intcntl

Mon 2/23

12:16 pm-8:44 am

2 stops19h 28m

$203

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 2/17

7:46 pm-7:34 pm

3 stops24h 48m

Houston George Bush Intcntl

Thu 2/26

4:22 pm-11:50 pm

1 stop6h 28m

$204

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 2/12

5:30 am-5:12 pm

1 stop12h 42m

Houston George Bush Intcntl

Tue 2/24

6:00 am-4:26 pm

2 stops9h 26m

$205

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 2/19

8:06 am-5:12 pm

2 stops10h 06m

Houston George Bush Intcntl

Mon 2/23

6:07 pm-1:01 am

1 stop5h 54m

$206

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 5/5

6:00 am-12:08 pm

1 stop7h 08m

Houston George Bush Intcntl

Tue 5/12

5:05 am-4:36 pm

2 stops10h 31m

$207

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 3/26

8:25 pm-8:58 am

1 stop13h 33m

Houston George Bush Intcntl

Mon 3/30

4:20 pm-10:52 pm

1 stop5h 32m

$208

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 3/25

10:38 am-8:20 pm

1 stop10h 42m

Houston George Bush Intcntl

Mon 3/30

12:14 pm-4:34 pm

Nonstop3h 20m

$209

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 3/24

4:10 pm-8:20 pm

1 stop29h 10m

Houston George Bush Intcntl

Thu 4/9

7:23 pm-11:46 pm

Nonstop3h 23m

$210

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 2/13

9:00 am-6:53 pm

2 stops34h 53m

Houston George Bush Intcntl

Tue 2/17

6:07 pm-10:24 am

1 stop15h 17m

$211

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 3/11

5:26 pm-11:20 pm

1 stop6h 54m

Houston George Bush Intcntl

Sat 3/14

4:22 pm-12:16 am

1 stop6h 54m

$212

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 $272. 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 $290.

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 Wednesday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Wednesday will often find tickets for as low as $348. 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 $460.

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 $249. Try not to purchase tickets in the morning because they tend to be around $387. 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 $236 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.

Can stopping save me money on Philadelphia to Houston George Bush Intcntl Airport flights?

You could potentially save up to 19% on your flight if you consider stops on a Philadelphia to Houston George Bush Intcntl Airport flight.

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

As of January 2026, prices for Philadelphia to Houston George Bush Intcntl Airport flights are approximately 30% 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

$191

Fastest flight time

3h 33m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Philadelphia in the past 72 hours is $191. The best round-trip flight deal from Philadelphia to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $278.
The fastest flight from Philadelphia to Houston George Bush Intcntl Airport takes 3h 33m
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 33m 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 $82Free CancellationRating
6.3
8,353 reviews
Search Spirit Airlines flights
FrontierPriceFrom $109Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
American AirlinesPriceFrom $219Free CancellationRating
7.2
11,164 reviews
Search American Airlines flights
United AirlinesPriceFrom $230Free CancellationRating
7.4
9,184 reviews
Search United Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,080 reviews
Search Delta 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 $230 round-trip. Over the 12 United Airlines flights for this route in a normal week, average airfare is usually $374 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 $219, 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 8 flights out of Philadelphia into Houston George Bush Intcntl Airport in an average week, so prices vary by time and availability. 11,164 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

Traveling to a place near Houston?

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

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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