Frontier's UpFront Plus seats guarantee an empty middle seat, enhancing comfort on 3-hour flights.
Frontier's Economy Bundle includes a carry-on, seat selection, and no cancellation fees, adding value.

Round-trip from | $127 (Kiwi.com) |
|---|---|
One-way from | $83 (Super.com) |
Popular in | December |
Cheapest in | August |
Average price | $283 |
Fly from
Fly to
Route
Depart
Return
Price
DallasPhiladelphia
DFW - PHL
DFWPHL
Dallas/Fort Worth
Thu 2/19
6:00 am-2:35 pm
1 stop7h 35m
Philadelphia
Thu 2/19
5:42 pm-12:12 am
1 stop7h 30m
DallasPhiladelphia
DAL - PHL
DALPHL
Dallas Love Field
Tue 2/24
6:38 pm-12:24 am
1 stop4h 46m
Philadelphia
Tue 3/3
4:59 pm-10:31 pm
1 stop6h 32m
DallasPhiladelphia
DAL - PHL
DALPHL
Dallas Love Field
Sat 2/28
11:15 am-4:50 pm
1 stop4h 35m
Philadelphia
Tue 3/3
8:00 am-1:38 pm
1 stop6h 38m
DallasPhiladelphia
DAL - PHL
DALPHL
Dallas Love Field
Wed 2/25
6:00 am-1:22 pm
1 stop6h 22m
Philadelphia
Sat 2/28
5:31 am-10:29 am
1 stop5h 58m
DallasPhiladelphia
DAL - PHL
DALPHL
Dallas Love Field
Wed 2/18
7:00 am-12:55 pm
1 stop4h 55m
Philadelphia
Sat 2/21
4:00 pm-6:50 pm
Nonstop3h 50m
DallasPhiladelphia
DAL - PHL
DALPHL
Dallas Love Field
Wed 4/1
8:00 am-11:55 am
Nonstop2h 55m
Philadelphia
Wed 4/22
5:45 pm-11:10 pm
1 stop6h 25m
DallasPhiladelphia
DAL - PHL
DALPHL
Dallas Love Field
Wed 1/28
10:25 am-3:53 pm
1 stop4h 28m
Philadelphia
Sat 1/31
12:16 pm-5:47 pm
1 stop6h 31m
DallasPhiladelphia
DAL - PHL
DALPHL
Dallas Love Field
Tue 3/17
12:55 pm-9:05 pm
2 stops7h 10m
Philadelphia
Wed 3/25
4:55 pm-7:40 pm
Nonstop3h 45m
DallasPhiladelphia
DAL - PHL
DALPHL
Dallas Love Field
Sat 2/21
11:25 am-3:20 pm
Nonstop2h 55m
Philadelphia
Tue 2/24
6:40 am-1:50 pm
1 stop8h 10m
DallasPhiladelphia
DFW - PHL
DFWPHL
Dallas/Fort Worth
Fri 1/16
6:46 am-4:49 pm
1 stop9h 03m
Philadelphia
Mon 1/19
7:12 pm-10:53 pm
1 stop28h 41m
Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, March is the cheapest month in which you can book a flight from Dallas to Philadelphia (average of $59). Flying from Dallas to Philadelphia in August is currently the most expensive (average of $104). 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.
Unlike at noon, when flights are generally more expensive, you can save up to 49% on flights from Dallas to Philadelphia by exploring options for tickets in the evening.
Travelers seeking maximum savings on their Dallas to Philadelphia flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from A78 to PHL are scheduled on a Thursday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).
About 22% of weekly flights between Dallas and Philadelphia have experienced delays in the past year, with the average delay time being 152 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 Saturday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Frontier have had the lowest number of delays on this route, with just 20% of flights being delayed.
Boarding
Crew
Food
Entertainment
Comfort
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Crew
Food
Entertainment
Comfort
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Crew
Food
Entertainment
Comfort
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Crew
Food
Entertainment
Comfort
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Crew
Food
Entertainment
Comfort
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Crew
Food
Entertainment
Comfort
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$80 | Average$183 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$102 | Average$208 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$187 | Average$382 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$522 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$222 | Average$316 | FlexibilityNo cancel fee | On-timeN/A |