Cheap flights from Philadelphia Intl to Houston (PHL - IAH)

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The best prices from Philadelphia Intl to Houston are usually found in September or July, booked 13 days in advance, depart on a Wednesday or Saturday and return on a Saturday

How to find the cheapest flight from
Philadelphia Intl (PHL) to Houston (IAH)

All the information you need to plan the best PHL to IAH flight in 2021: compare Philadelphia Intl to Houston flight prices with the expected peak season, weather and rainfall in Houston.
PHL - IAH
Price
$151 - $338
IAH
Temperature
59 - 86 °F

Popular in

December

High demand for flights, 33% potential price rise

Cheapest in

September

Best time to find cheap flights, 34% potential price drop

Round-trip from

$151

From Philadelphia Intl to Houston

One-way from

$85

One-way flight from Philadelphia Intl to Houston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Philadelphia Intl to Houston?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Houston. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Philadelphia Intl to Houston?

Users have found that booking a flight from Philadelphia Intl to Houston at least 44 days early can save you up to 26% on average compared to booking a flight this week. If booking 44 days before your flight isn’t an option for you, users have found flights from Philadelphia Intl to Houston for as little as $118 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $157 for flights departing within the next 3 days.

What is the cheapest month to fly from Philadelphia Intl to Houston?

February can be a great time to fly to Houston from Philadelphia Intl with a flight ticket averaging about $134. Cheapflights users have found deals in the month of February for as cheap as $68. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Philadelphia Intl to Houston (PHL - IAH)?

One of the essential ways to save on airfare from Philadelphia Intl to Houston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 58% on airfare.

Cheap flights from Philadelphia Intl to Houston in May, June 2021

The best prices found for PHL to IAH flights for May, June
18 May - 20 May
$121pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
18 May - 25 May
$131pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
20 May - 25 May
$136pp
PHL
Philadelphia
Frontier
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
PHL
Philadelphia

Philadelphia Intl to Houston 2021 flight deals

Cheap flights to Houston from Philadelphia Intl found for this year
18 May - 20 May
$121pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
18 May - 25 May
$131pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
20 May - 25 May
$136pp
PHL
Philadelphia
Frontier
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
PHL
Philadelphia

Non-stop flights to Houston from Philadelphia Intl

Save time with Philadelphia Intl to Houston direct flight deals
18 May - 20 May
$143pp
PHL
Philadelphia
Frontier
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
Non-Stop
PHL
Philadelphia
20 May - 25 May
$147pp
PHL
Philadelphia
Frontier
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
Non-Stop
PHL
Philadelphia
25 May - 6 Jun
$153pp
PHL
Philadelphia
Frontier
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
Non-Stop
PHL
Philadelphia

Last minute flights from Philadelphia Intl to Houston

Late deals on round-trip flights to Houston from Philadelphia Intl, departing today and this week
18 May - 20 May
$121pp
PHL
Philadelphia
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
18 May - 25 May
$131pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
PHL
Philadelphia
20 May - 25 May
$136pp
PHL
Philadelphia
Frontier
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
PHL
Philadelphia

One-way flights to Houston from Philadelphia Intl

The cheapest one-way flights from Philadelphia Intl to Houston
5:03 am - 7:49 am
Frontier
Nonstop
3h 46m
PHL - IAH
Frontier
$85
Flights by SU
10:29 am - 5:33 pm
Multiple Airlines
1 Stop
8h 04m
PHL - IAH
Multiple Airlines
$97
Kiwi.com
3:30 am - 6:13 am
United Airlines
Nonstop
3h 43m
PHL - IAH
United Airlines
$99
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Philadelphia Intl</span> to <span class="emphasized">Houston</span> flights.

Flight FAQs

From Philadelphia Intl to Houston

Are flight prices decreasing from Philadelphia to Houston due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Philadelphia and Houston for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Philadelphia to Houston George Bush Intcntl have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Philadelphia to Houston George Bush Intcntl that may be offering flexible cancellation policies are United Airlines, American Airlines, and Frontier. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What airports do I use to fly from Philadelphia to Houston?

Booking a flight from Philadelphia (PHL) to Houston George Bush Intcntl (IAH) is your only option if you wish to fly from Philadelphia to Houston. On a typical day, there are 5 flights from Philadelphia to George Bush Intcntl, all of which are around 3h 38m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from Philadelphia to Houston.

Can I find flights from Philadelphia Intl to Houston for under $200 on Cheapflights?

Yes, there are multiple flights from Philadelphia Intl to Houston for under $200. The cheapest flight booked recently is on Spirit Airlines for just $121, but on average you can expect to pay $146.

Are there nonstop flights from Philadelphia Intl to Houston for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Philadelphia Intl to Houston under $200. A good price for a nonstop flight from Philadelphia Intl to Houston is less than $171.

Are there last-minute flights available from Philadelphia Intl to Houston for under $200?

There are currently 20+ open flights from Philadelphia Intl to Houston within the next 7 days for less than $200.

What days are nonstop flights available from Philadelphia to Houston?

Nonstop flights can be found on the following days: Sunday.

Does it rain more in Philadelphia or Houston?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Philadelphia is roughly less than Houston. You can assume this to be the case over the next 16 days.

Is Philadelphia weather warmer or cooler than Houston?

You can imagine temperatures to be in the 88 °F range in July. The weather in Houston is generally colder than Philadelphia's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from Philadelphia Intl to Houston?

A quick flight from Philadelphia Intl to Houston can take about 3h 42m. Frontier provides one of the quickest options available for as low as $136. Both multi-stop and nonstop flights can be found to your destination and back.

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

Currently priced at $121, Spirit Airlines will fly you from Philadelphia Intl to Houston and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Frontier for as low as $136. You may be able to fly from Philadelphia Intl to Houston for 46% less than the average price by searching for these airlines.

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

The cheapest airlines for a one-way flight from Philadelphia Intl to Houston are Frontier ($56), Spirit Airlines ($70), and American Airlines ($96).

Alternative routes for Philadelphia Intl to Houston

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

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Philadelphia Intl to Houston.
Flight duration
3h 30m
Average temperature for May in Houston
77.0 °F

Airports servicing Philadelphia

Airports servicing Houston

Top 5 airlines flying from Philadelphia Intl to Houston

The chart below displays the airlines Cheapflights users traveling from Philadelphia Intl to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$48 $121 No cancel fee 62%
Delta
$102 $206 No cancel fee N/A
Spirit Airlines
$82 $235 No cancel fee 65%
American Airlines
$118 $280 No cancel fee 71%
United Airlines
$118 $318 No cancel fee 69%

Hourly flight availability from Philadelphia Intl to Houston

See what time of day planes typically take off from Philadelphia Intl towards Houston.
Morning 6 AM to noon 48% of PHL to IAH departures
Afternoon Noon to 6 PM 31% of PHL to IAH departures
Evening 6 PM to midnight 20% of PHL to IAH departures
Early morning Midnight to 6 AM 1% of PHL to IAH departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Philadelphia Intl to Houston
See how many times per day planes take to the skies headed from Philadelphia Intl to Houston.
Sunday
5 daily flights
Monday
5 daily flights
Tuesday
6 daily flights
Wednesday
6 daily flights
Thursday
8 daily flights
Friday
6 daily flights
Saturday
5 daily flights
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