
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $759 (Orbitz) |
One-way from | $412 (American Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $1,105 |
Fly from
Fly to
Route
Depart
Return
Price
PhiladelphiaIncheon
PHL - ICN
PHLICN
Philadelphia
Fri 2/27
6:20 pm-5:40 am
1 stop21h 20m
Incheon Intl
Wed 3/18
5:00 pm-7:15 am
1 stop27h 15m
PhiladelphiaIncheon
PHL - ICN
PHLICN
Philadelphia
Tue 2/24
5:00 pm-4:15 pm
2 stops33h 15m
Incheon Intl
Tue 3/3
12:45 pm-2:19 pm
3 stops39h 34m
PhiladelphiaIncheon
PHL - ICN
PHLICN
Philadelphia
Mon 4/27
5:44 am-2:10 pm
1 stop19h 26m
Incheon Intl
Sun 5/31
7:00 pm-6:05 am
1 stop24h 05m
PhiladelphiaIncheon
PHL - ICN
PHLICN
Philadelphia
Wed 4/8
7:36 pm-4:00 am
1 stop19h 24m
Incheon Intl
Fri 4/17
7:20 pm-5:35 am
1 stop23h 15m
PhiladelphiaIncheon
PHL - ICN
PHLICN
Philadelphia
Tue 4/7
12:59 pm-4:00 am
1 stop26h 01m
Incheon Intl
Tue 4/14
7:20 pm-5:35 am
1 stop23h 15m
PhiladelphiaIncheon
PHL - ICN
PHLICN
Philadelphia
Mon 4/6
5:00 pm-4:00 am
1 stop22h 00m
Incheon Intl
Thu 4/16
7:20 pm-5:35 am
1 stop23h 15m
PhiladelphiaIncheon
PHL - ICN
PHLICN
Philadelphia
Mon 4/6
9:40 am-4:25 pm
1 stop17h 45m
Incheon Intl
Wed 4/15
7:20 pm-5:35 am
1 stop23h 15m
PhiladelphiaIncheon
PHL - ICN
PHLICN
Philadelphia
Sat 4/11
5:40 am-2:10 pm
1 stop19h 30m
Incheon Intl
Fri 4/17
7:20 pm-5:35 am
1 stop23h 15m
PhiladelphiaIncheon
PHL - ICN
PHLICN
Philadelphia
Sat 4/11
10:28 am-4:00 am
1 stop28h 32m
Incheon Intl
Thu 4/16
7:20 pm-5:35 am
1 stop23h 15m
PhiladelphiaIncheon
PHL - ICN
PHLICN
Philadelphia
Tue 4/7
5:00 pm-4:00 am
1 stop22h 00m
Incheon Intl
Fri 4/17
7:20 pm-5:35 am
1 stop23h 15m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Philadelphia to Seoul, you should look to book at least 36 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, October is the cheapest month in which you can book a flight from Philadelphia to Seoul (average of $258). Flying from Philadelphia to Seoul in December is currently the most expensive (average of $684). 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.
Dallas (DFW) – chosen by Cheapflights users on 33% of 1-stop itineraries from Philadelphia to Seoul on Cheapflights.
Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $865.
Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 19h 05m.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 1h 30m.
Food
Boarding
Comfort
Entertainment
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Food
Boarding
Comfort
Entertainment
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Food
Boarding
Comfort
Entertainment
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Food
Boarding
Comfort
Entertainment
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Food
Boarding
Comfort
Entertainment
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
Food
Boarding
Comfort
Entertainment
Crew
Overall
Reviews
Chris,Mar 2025
SEA - ICN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$504 | Average$1,216 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$777 | Average$1,090 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$845 | Average$1,079 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$865 | Average$1,279 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,076 | Average$1,352 | FlexibilityNo cancel fee | On-time81% |