Houston

$130+ Cheap flights from Philadelphia (PHL) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HOU
Aug 2 — Aug 91
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Cheap flight deals from Philadelphia to Houston

Cheapest flights from Philadelphia to Houston
Explore the most affordable flight options available from Philadelphia to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:20 am
PHL
-
IAH
1 stop5h 50m
Frontier
Thu 7/238:02 pm
IAH
-
PHL
1 stop10h 13m
Frontier
Deal found 7/2$273
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:00 am
PHL
-
IAH
1 stop7h 19m
Frontier
Thu 7/238:02 pm
IAH
-
PHL
1 stop10h 13m
Frontier
Deal found 7/2$274
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:20 am
PHL
-
IAH
1 stop5h 59m
Frontier
Mon 7/208:02 pm
IAH
-
PHL
1 stop10h 13m
Frontier
Deal found 6/29$275
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:30 pm
PHL
-
IAH
1 stop7h 09m
Frontier
Sat 7/188:02 pm
IAH
-
PHL
1 stop10h 13m
Frontier
Deal found 7/2$276
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:30 pm
PHL
-
IAH
1 stop7h 09m
Frontier
Tue 7/218:02 pm
IAH
-
PHL
1 stop10h 13m
Frontier
Deal found 7/2$277
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/144:30 pm
PHL
-
IAH
1 stop7h 09m
Frontier
Sat 7/186:18 am
IAH
-
PHL
1 stop12h 02m
Frontier
Deal found 6/30$278
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:16 am
PHL
-
IAH
Nonstop3h 34m
United Airlines
Tue 8/187:30 am
IAH
-
PHL
Nonstop3h 28m
United Airlines
Deal found 6/29$279
This Frontier deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am
PHL
-
IAH
Nonstop3h 42m
Frontier
Tue 11/107:00 am
IAH
-
PHL
1 stop5h 12m
Frontier
Deal found 6/28$280
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:33 pm
PHL
-
IAH
2 stops21h 32m
Multiple Airlines
Sat 8/1512:16 pm
IAH
-
PHL
1 stop6h 04m
Multiple Airlines
Deal found 7/2$281
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:20 pm
PHL
-
IAH
2 stops16h 20m
Frontier
Sat 9/198:44 pm
IAH
-
PHL
1 stop9h 52m
Frontier
Deal found 6/29$282
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:09 pm
PHL
-
HOU
1 stop5h 14m
Delta
Sat 10/1711:05 am
HOU
-
PHL
1 stop6h 11m
Delta
Deal found 6/30$299
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:15 am
PHL
-
HOU
2 stops7h 30m
Southwest
Wed 8/263:55 pm
HOU
-
PHL
1 stop4h 55m
Southwest
Deal found 7/1$304

Find flight deals from Philadelphia to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2026.

Round-trip from

$273
(Kiwi.com)

One-way from

$130
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$305
From Philadelphia to Houston
One-way flight from Philadelphia to Houston
Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in July 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Houston 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from Philadelphia to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 9/2

6:56 pm-12:27 am

1 stop6h 31m

Houston George Bush Intcntl

Tue 9/8

7:30 am-11:58 am

Nonstop3h 28m

$285

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 8/29

10:34 am-5:17 pm

1 stop7h 43m

Houston George Bush Intcntl

Tue 9/1

7:30 am-11:58 am

Nonstop3h 28m

$289

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sun 8/9

7:58 pm-10:32 pm

Nonstop3h 34m

Houston George Bush Intcntl

Sat 8/15

6:05 pm-10:31 pm

Nonstop3h 26m

$294

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 8/12

5:16 pm-10:05 pm

1 stop5h 49m

Houston Hobby

Wed 9/9

5:26 pm-12:41 am

1 stop6h 15m

$299

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 7/28

5:15 am-9:45 am

1 stop5h 30m

Houston Hobby

Tue 8/4

10:50 am-5:34 pm

1 stop5h 44m

$299

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 9/2

7:55 am-2:00 pm

2 stops7h 05m

Houston Hobby

Tue 9/8

8:30 am-5:35 pm

1 stop8h 05m

$304

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 10/13

12:09 pm-4:23 pm

1 stop5h 14m

Houston Hobby

Thu 10/22

5:35 pm-12:56 am

1 stop6h 21m

$314

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 9/19

6:20 pm-10:40 pm

1 stop5h 20m

Houston Hobby

Sun 9/27

6:00 am-1:16 pm

1 stop6h 16m

$314

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 8/19

7:15 am-1:45 pm

2 stops7h 30m

Houston Hobby

Sun 8/23

8:30 am-5:05 pm

1 stop7h 35m

$319

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Fri 7/24

6:00 pm-11:50 pm

1 stop6h 50m

Houston Hobby

Sat 7/25

5:40 am-11:50 am

1 stop5h 10m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 41 resultsSorted by cheapest first
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Best time to book a flight from Philadelphia to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Houston

What is the cheapest month to book a flight from Philadelphia to Houston?

Currently, August is the cheapest month in which you can book a flight from Philadelphia to Houston (average of $55). Flying from Philadelphia to Houston in February is currently the most expensive (average of $581). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to HOU?

Find hourly flight availability from Philadelphia to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2026.

One of the essential ways to save on airfare from Philadelphia to Houston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 3% on airfare.

How much does it cost to fly round-trip from Philadelphia to Houston?

How far ahead should I book a flight from Philadelphia to Houston?

The best time to book flights from Philadelphia to Houston is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Philadelphia to Houston?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Houston. Price data was last updated on October 5, 2025.

Travelers seeking maximum savings on their Philadelphia to Houston flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Philadelphia to Houston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Philadelphia to Houston trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated July 3, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Philadelphia to Houston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Philadelphia to Houston?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Houston. 6 airlines have flights from Philadelphia to Houston on a regular basis. Booking flights from Philadelphia to Houston should not be difficult; the airport handles an average of 0 outbound flights to Houston per day.

  • How long is the flight from Philadelphia to Houston?

    A quick flight from Philadelphia to Houston can take about 5h 49m. United Airlines provides one of the quickest options available for as low as $299. The distance from Philadelphia to Houston is about 1333 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Philadelphia to Houston round-trip?

    Flying on Frontier is currently your cheapest option to Houston, with prices starting at $127. Additional round-trip tickets that might be worth considering are offered by Southwest and JetBlue, with the lowest prices starting at $186 and $200, respectively. These flights start at 62% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Philadelphia to Houston one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $70. Users have also found prices from $75 and $94 on JetBlue and Southwest, respectively.

  • Can I find deals for flights from Philadelphia to Houston that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Houston.

  • Can I find deals for business class flights from Philadelphia to Houston?

    Yes. Cheapflights offers flight deals from Philadelphia to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Houston?

    Currently, August is the cheapest month in which you can book a flight from Philadelphia to Houston (average of $55). Flying from Philadelphia to Houston in February is currently the most expensive (average of $581). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Philadelphia to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Philadelphia to Houston

Discover the top 6 airlines that operate flights from Philadelphia to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$127Average$226FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$186Average$299FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$200Average$336FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$230Average$389FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$232Average$376FlexibilityNo cancel feeOn-time69%
DeltaCheapest$238Average$330FlexibilityNo cancel feeOn-timeN/A

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