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Cheap flights from Philadelphia to Houston from $127

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 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:35 pm - 10:48 pm
PHL
-
IAH
7h 13m
1 stop
Frontier Logo
9:37 am - 2:02 pm
IAH
-
PHL
3h 25mnonstop
$255Frontier
Tue, Sep 8 - Tue, Sep 15
Frontier Logo
7:00 am - 9:41 am
PHL
-
IAH
3h 41mnonstop
Frontier Logo
10:36 am - 3:07 pm
IAH
-
PHL
3h 31mnonstop
$256Frontier
Wed, Jul 1 - Sat, Jul 4
Frontier Logo
6:25 am - 6:25 pm
PHL
-
IAH
13h 00m
2 stops
Frontier Logo
8:55 am - 10:28 pm
IAH
-
PHL
12h 33m
1 stop
$257Frontier
Thu, Aug 6 - Tue, Aug 11
Frontier Logo
4:30 pm - 10:39 pm
PHL
-
IAH
7h 09m
1 stop
Frontier Logo
8:37 pm - 7:20 pm
IAH
-
PHL
21h 43m
2 stops
$258Frontier
Wed, Jul 15 - Wed, Jul 22
Frontier Logo
4:35 pm - 7:20 am
PHL
-
IAH
15h 45m
1 stop
Frontier Logo
8:02 pm - 7:15 am
IAH
-
PHL
10h 13m
1 stop
$259Frontier
Sat, Jul 4 - Tue, Jul 7
Frontier Logo
6:00 am - 8:42 am
PHL
-
IAH
3h 42mnonstop
Frontier Logo
7:00 am - 6:15 pm
IAH
-
PHL
10h 15m
1 stop
$260Frontier
Wed, Sep 9 - Thu, Sep 17
Frontier Logo
7:00 am - 9:41 am
PHL
-
IAH
3h 41mnonstop
Frontier Logo
8:02 pm - 7:15 am
IAH
-
PHL
10h 13m
1 stop
$262Frontier
Sat, Jul 4 - Mon, Jul 6
Frontier Logo
10:59 pm - 3:05 pm
PHL
-
IAH
17h 06m
2 stops
Frontier Logo
8:44 pm - 7:36 am
IAH
-
PHL
9h 52m
1 stop
$263Frontier
Tue, Aug 11 - Wed, Sep 9
Frontier Logo
4:35 pm - 10:07 am
PHL
-
IAH
18h 32m
1 stop
Frontier Logo
10:52 am - 7:17 pm
IAH
-
PHL
7h 25m
1 stop
$264Frontier
Thu, Jul 2 - Sat, Jul 4
Frontier Logo
4:35 pm - 10:48 pm
PHL
-
IAH
7h 13m
1 stop
Frontier Logo
6:14 pm - 11:49 am
IAH
-
PHL
16h 35m
1 stop
$265Frontier
Fri, Jul 3 - Sun, Jul 5

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United Airlines flights from Philadelphia to Houston George Bush Intcntl Airport

Our best United Airlines deals on Philadelphia to Houston George Bush Intcntl Airport flight tickets
United Airlines
Jul 18
PHL7:00 pmPhiladelphia
6h 34m
1 stop
IAH12:34 amHouston George Bush Intcntl
Jul 21
IAH6:05 pmHouston George Bush Intcntl
3h 24m
PHL10:29 pmPhiladelphia
$289
United Airlines
Jul 1
PHL7:58 pmPhiladelphia
3h 34m
IAH10:32 pmHouston George Bush Intcntl
Jul 5
IAH7:31 amHouston George Bush Intcntl
3h 27m
PHL11:58 amPhiladelphia
$294
United Airlines
Jun 24
PHL1:04 pmPhiladelphia
3h 31m
IAH3:35 pmHouston George Bush Intcntl
Jun 30
IAH7:31 amHouston George Bush Intcntl
3h 27m
PHL11:58 amPhiladelphia
$329

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
Sep 8
PHL4:35 pmPhiladelphia
7h 13m
1 stop
IAH10:48 pmHouston George Bush Intcntl
Sep 15
IAH9:37 amHouston George Bush Intcntl
3h 25m
PHL2:02 pmPhiladelphia
$255
Frontier
Jul 1
PHL7:00 amPhiladelphia
3h 41m
IAH9:41 amHouston George Bush Intcntl
Jul 4
IAH10:36 amHouston George Bush Intcntl
3h 31m
PHL3:07 pmPhiladelphia
$256
Frontier
Aug 6
PHL6:25 amPhiladelphia
13h 00m
2 stops
IAH6:25 pmHouston George Bush Intcntl
Aug 11
IAH8:55 amHouston George Bush Intcntl
12h 33m
1 stop
PHL10:28 pmPhiladelphia
$257

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 June 16, 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

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 9/8

4:35 pm-10:48 pm

1 stop7h 13m

Houston George Bush Intcntl

Tue 9/15

9:37 am-2:02 pm

Nonstop3h 25m

$255
Quickest round-trip

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 7/1

7:00 am-9:41 am

Nonstop3h 41m

Houston George Bush Intcntl

Sat 7/4

10:36 am-3:07 pm

Nonstop3h 31m

$256

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 8/6

6:25 am-6:25 pm

2 stops13h 00m

Houston George Bush Intcntl

Tue 8/11

8:55 am-10:28 pm

1 stop12h 33m

$257

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 7/15

4:30 pm-10:39 pm

1 stop7h 09m

Houston George Bush Intcntl

Wed 7/22

8:37 pm-7:20 pm

2 stops21h 43m

$258

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 7/4

4:35 pm-7:20 am

1 stop15h 45m

Houston George Bush Intcntl

Tue 7/7

8:02 pm-7:15 am

1 stop10h 13m

$259

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 9/9

6:00 am-8:42 am

Nonstop3h 42m

Houston George Bush Intcntl

Thu 9/17

7:00 am-6:15 pm

1 stop10h 15m

$260

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 7/4

7:00 am-9:41 am

Nonstop3h 41m

Houston George Bush Intcntl

Mon 7/6

8:02 pm-7:15 am

1 stop10h 13m

$262

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Tue 8/11

10:59 pm-3:05 pm

2 stops17h 06m

Houston George Bush Intcntl

Wed 9/9

8:44 pm-7:36 am

1 stop9h 52m

$263

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 7/2

4:35 pm-10:07 am

1 stop18h 32m

Houston George Bush Intcntl

Sat 7/4

10:52 am-7:17 pm

1 stop7h 25m

$264

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Fri 7/3

4:35 pm-10:48 pm

1 stop7h 13m

Houston George Bush Intcntl

Sun 7/5

6:14 pm-11:49 am

1 stop16h 35m

$265

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 typical price of a round-trip flight between Philadelphia and Houston George Bush Intcntl Airport?

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 $279. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Philadelphia during the month August is also very affordable. Most momondo users find prices during this month for around $296.

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 Saturday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Saturday will often find tickets for as low as $355. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Sunday is $540.

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 afternoon. Our users have found flights to Houston George Bush Intcntl Airport in the afternoon for as low as $356. Try not to purchase tickets in the morning because they tend to be around $383. 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 from Philadelphia 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 $338 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 $269 on momondo.

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

There are 4 cabin classes available to choose from on Philadelphia to Houston George Bush Intcntl Airport 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?

No. A direct flight is the cheapest option for a flight between Philadelphia to Houston George Bush Intcntl Airport.

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

As of June 2026, prices for Philadelphia to Houston George Bush Intcntl Airport flights are approximately 169% 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

$190

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 $190. The best round-trip flight deal from Philadelphia to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $309.
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

Frequently asked questions about flying from Philadelphia to Houston George Bush Intcntl Airport

  • 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
FrontierPriceFrom $128Free CancellationRating
5.6
2,883 reviews
Search Frontier flights
JetBluePriceFrom $200Free CancellationRating
7.1
2,981 reviews
Search JetBlue flights
American AirlinesPriceFrom $232Free CancellationRating
7.1
11,666 reviews
Search American Airlines flights
United AirlinesPriceFrom $234Free CancellationRating
7.4
9,842 reviews
Search United Airlines flights
DeltaPriceFrom $238Free CancellationRating
7.9
8,405 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 $234 round-trip. Over the 13 United Airlines flights for this route in a normal week, average airfare is usually $373 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 $232, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $354 round-trip. American Airlines operates 22 flights out of Philadelphia into Houston George Bush Intcntl Airport in an average week, so prices vary by time and availability. 11,666 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
Humble
Conroe
Spring
Cypress
Montgomery
Jersey Village
Tomball
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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