Frontier's UpFront Plus seats guarantee an empty middle seat for added comfort.
Frontier's Economy Bundle includes a carry-on bag and seat selection, reducing extra fees.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $103 (Cheapflightsfares) |
One-way from | $50 (Kiwi.com) |
Popular in | November |
Cheapest in | February |
Average price | $233 |
Good round-trip deal | $190 or less |
Good one-way deal | $108 or less |
Fly from
Fly to
Route
Depart
Return
Price
PhiladelphiaAtlanta
PHL - ATL
PHLATL
Philadelphia
Fri 2/6
8:20 am-7:16 pm
1 stop10h 56m
Atlanta Hartsfield-Jackson
Sat 2/7
3:26 pm-11:50 pm
1 stop8h 24m
PhiladelphiaAtlanta
PHL - ATL
PHLATL
Philadelphia
Fri 1/9
8:20 am-7:16 pm
1 stop10h 56m
Atlanta Hartsfield-Jackson
Fri 1/16
8:21 pm-8:47 am
1 stop12h 26m
PhiladelphiaAtlanta
PHL - ATL
PHLATL
Philadelphia
Tue 2/3
10:30 am-12:39 pm
Nonstop2h 09m
Atlanta Hartsfield-Jackson
Sun 2/8
10:30 pm-12:21 am
Nonstop1h 51m
PhiladelphiaAtlanta
PHL - ATL
PHLATL
Philadelphia
Fri 1/30
8:00 am-10:25 am
Nonstop2h 25m
Atlanta Hartsfield-Jackson
Mon 2/2
9:15 am-11:11 am
Nonstop1h 56m
PhiladelphiaAtlanta
PHL - ATL
PHLATL
Philadelphia
Fri 1/23
5:40 am-8:09 am
Nonstop2h 29m
Atlanta Hartsfield-Jackson
Sun 1/25
9:15 am-11:11 am
Nonstop1h 56m
PhiladelphiaAtlanta
PHL - ATL
PHLATL
Philadelphia
Sun 2/1
5:40 am-8:09 am
Nonstop2h 29m
Atlanta Hartsfield-Jackson
Sun 2/8
10:30 pm-12:21 am
Nonstop1h 51m
PhiladelphiaAtlanta
PHL - ATL
PHLATL
Philadelphia
Fri 2/20
7:59 pm-10:27 pm
Nonstop2h 28m
Atlanta Hartsfield-Jackson
Tue 2/24
5:00 pm-6:52 pm
Nonstop1h 52m
PhiladelphiaAtlanta
PHL - ATL
PHLATL
Philadelphia
Thu 2/5
10:30 am-12:40 pm
Nonstop2h 10m
Atlanta Hartsfield-Jackson
Sun 2/8
10:30 pm-12:21 am
Nonstop1h 51m
PhiladelphiaAtlanta
PHL - ATL
PHLATL
Philadelphia
Fri 2/20
6:55 am-9:26 am
Nonstop2h 31m
Atlanta Hartsfield-Jackson
Sat 2/21
9:15 am-11:09 am
Nonstop1h 54m
PhiladelphiaAtlanta
PHL - ATL
PHLATL
Philadelphia
Fri 2/6
5:40 am-8:09 am
Nonstop2h 29m
Atlanta Hartsfield-Jackson
Mon 2/9
8:59 pm-10:50 pm
Nonstop1h 51m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
The price you pay for your flight from Philadelphia to Atlanta may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, February is the cheapest month in which you can book a flight from Philadelphia to Atlanta (average of $43). Flying from Philadelphia to Atlanta in July is currently the most expensive (average of $92). 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 typically best to fly out from Philadelphia to Atlanta in the evening. Doing so could potentially save you 29% on the flight price compared to flying in the morning, which is usually more expensive.
Travelers seeking maximum savings on their Philadelphia to Atlanta flight should consider departing on Saturday evenings 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.
About 16% of weekly flights between Philadelphia and Atlanta have experienced delays in the past year, with the average delay time being 142 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Southwest have had the lowest number of delays on this route, with just 10% of flights being delayed.
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Crew
Overall
Food
Boarding
Comfort
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$127 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$60 | Average$161 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$114 | Average$128 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$139 | Average$285 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$150 | Average$243 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$160 | Average$280 | FlexibilityNo cancel fee | On-time71% |