Expect security lines at ATH to take 10-20 minutes, but during peak times, waits can exceed an hour.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $669 (Kiwi.com) |
One-way from | $300 (Kiwi.com) |
Popular in | February |
Cheapest in | June |
Average price | $634 |
Good round-trip deal | $501 or less |
Good one-way deal | $703 or less |
Fly from
Fly to
Route
Depart
Return
Price
AthensPhiladelphia
ATH - PHL
ATHPHL
Athens Eleftherios V.
Sat 12/27
6:30 am-4:35 pm
1 stop17h 05m
Philadelphia
Sun 1/11
5:40 pm-4:35 pm
1 stop15h 55m
AthensPhiladelphia
ATH - PHL
ATHPHL
Athens Eleftherios V.
Tue 4/14
1:00 pm-5:05 pm
Nonstop11h 05m
Philadelphia
Wed 4/29
6:45 pm-2:30 pm
1 stop12h 45m
AthensPhiladelphia
ATH - PHL
ATHPHL
Athens Eleftherios V.
Tue 4/14
6:55 am-4:00 pm
1 stop16h 05m
Philadelphia
Wed 4/29
6:15 am-8:10 am
2 stops18h 55m
AthensPhiladelphia
ATH - PHL
ATHPHL
Athens Eleftherios V.
Wed 12/10
7:50 am-9:42 pm
2 stops20h 52m
Philadelphia
Sun 12/14
6:35 pm-1:20 am
1 stop23h 45m
AthensPhiladelphia
ATH - PHL
ATHPHL
Athens Eleftherios V.
Sat 12/27
6:35 am-4:35 pm
2 stops17h 00m
Philadelphia
Sun 1/11
10:30 am-12:40 pm
2 stops19h 10m
AthensPhiladelphia
ATH - PHL
ATHPHL
Athens Eleftherios V.
Wed 2/11
6:05 am-9:16 pm
2 stops22h 11m
Philadelphia
Sun 2/15
6:08 am-1:35 pm
2 stops24h 27m
AthensPhiladelphia
ATH - PHL
ATHPHL
Athens Eleftherios V.
Fri 12/26
4:40 am-4:35 pm
2 stops18h 55m
Philadelphia
Sun 1/11
1:10 pm-4:35 pm
2 stops20h 25m
AthensPhiladelphia
ATH - PHL
ATHPHL
Athens Eleftherios V.
Fri 1/9
7:50 pm-4:15 pm
1 stop27h 25m
Philadelphia
Fri 1/16
7:50 pm-3:55 pm
1 stop13h 05m
AthensPhiladelphia
ATH - PHL
ATHPHL
Athens Eleftherios V.
Sat 1/24
12:05 pm-9:21 am
3 stops52h 16m
AthensPhiladelphia
ATH - PHL
ATHPHL
Athens Eleftherios V.
Thu 2/26
12:05 pm-7:51 pm
3 stops38h 46m
| 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*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars |
The best time to book flights from Athens to Philadelphia is 73 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.
Currently, September is the cheapest month in which you can book a flight from Athens to Philadelphia (average of $316). Flying from Athens to Philadelphia in December is currently the most expensive (average of $613). 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 Athens to Philadelphia in the afternoon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at noon.
About 19% of weekly flights between Athens and Philadelphia have experienced delays in the past year, with the average delay time being 196 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning 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, American Airlines have had the lowest number of delays on this route, with just 19% of flights being delayed.
Comfort
Food
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,May 2025
FRA - DFW
Comfort
Food
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,May 2025
FRA - DFW
Comfort
Food
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,May 2025
FRA - DFW
Comfort
Food
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,May 2025
FRA - DFW
Comfort
Food
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,May 2025
FRA - DFW
Comfort
Food
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,May 2025
FRA - DFW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$500 | Average$778 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$552 | Average$754 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$594 | Average$806 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$599 | Average$756 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$610 | Average$827 | FlexibilityNo cancel fee | On-time69% |