Basic Economy allows a personal item only; no carry-on bags without extra fees.
Prepay for checked bags 24 hours before to save on fees.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $166 (Kiwi.com) |
One-way from | $68 (Trip.com) |
Popular in | February |
Cheapest in | December |
Average price | $253 |
Good round-trip deal | $237 or less |
Good one-way deal | $148 or less |
Fly from
Fly to
Route
Depart
Return
Price
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Fri 2/20
2:56 pm-10:45 pm
1 stop6h 49m
Philadelphia
Sun 2/22
6:00 am-2:01 pm
1 stop9h 01m
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Tue 2/3
12:20 pm-4:36 pm
Nonstop3h 16m
Philadelphia
Tue 2/10
8:05 am-11:05 am
Nonstop4h 00m
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Tue 3/3
6:40 pm-10:57 pm
Nonstop3h 17m
Philadelphia
Sat 3/7
8:00 am-3:48 pm
1 stop8h 48m
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Sat 1/17
6:43 pm-10:59 pm
Nonstop3h 16m
Philadelphia
Tue 2/10
10:10 am-5:20 pm
1 stop8h 10m
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Thu 12/25
3:55 pm-12:45 am
1 stop7h 50m
Philadelphia
Thu 1/1
6:51 am-9:51 am
Nonstop4h 00m
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Thu 2/12
12:25 pm-4:42 pm
Nonstop3h 17m
Philadelphia
Sun 2/15
12:44 pm-3:40 pm
Nonstop3h 56m
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Fri 1/30
6:43 pm-10:59 pm
Nonstop3h 16m
Philadelphia
Mon 2/2
12:40 pm-3:40 pm
Nonstop4h 00m
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Thu 2/26
7:20 am-2:24 pm
1 stop6h 04m
Philadelphia
Sun 3/1
8:00 am-10:56 am
Nonstop3h 56m
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Fri 1/23
10:06 am-5:34 pm
1 stop6h 28m
Philadelphia
Sun 1/25
12:40 pm-3:40 pm
Nonstop4h 00m
HoustonPhiladelphia
IAH - PHL
IAHPHL
Houston George Bush Intcntl
Fri 12/19
6:55 pm-9:07 am
1 stop13h 12m
Philadelphia
Tue 12/23
8:54 pm-9:03 am
1 stop13h 09m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Philadelphia, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, March is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Philadelphia (average of $75). Flying from Houston George Bush Intcntl Airport to Philadelphia in June is currently the most expensive (average of $125). 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.
It’s optimal to fly from Houston George Bush Intcntl Airport to Philadelphia in the evening. By choosing this option you can save up to 69% on the cost of your flight, compared to a flight at noon.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Philadelphia flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 16% of weekly flights between Houston and Philadelphia have experienced delays in the past year, with the average delay time being 160 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$152 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$95 | Average$204 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$213 | Average$331 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$220 | Average$382 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$314 | FlexibilityNo cancel fee | On-timeN/A |