Seoul (ICN) to Philadelphia (PHL) flight deal in economy from $647

Delta Air LinesDLDelta Air Lines
One Way•Economy
South KoreaICN

Incheon International Airport

Seoul, South Korea
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
$862 USD
-25%$647 USD
Verified about 5 hours ago
Great Availability
61% of dates checked are available within 10% of the lowest price

Monday, September 7th, 2026

Outbound Flights

23h 45m·1 stop
$647 USD
Delta Air Lines
ICNSep 7 19:20
→
SLCSep 7 15:55
DL 172Airbus A350
7h 56m layover
Delta Air Lines
SLCSep 7 23:51
→
PHLSep 8 06:05
DL 2075Boeing 737
19h 29m·1 stop
$664 USD
Delta Air Lines
ICNSep 7 18:50
→
ATLSep 7 19:38
DL 26Airbus A350
3h 27m layover
Delta Air Lines
ATLSep 7 23:05
→
PHLSep 8 01:19
DL 2642Airbus A321
26h 10m·1 stop
$681 USD
Korean Air
ICNSep 7 16:40
→
SEASep 7 10:40
KE 41Boeing 787-10
10h 50m layover
Delta Air Lines
SEASep 7 21:30
→
PHLSep 8 05:50
DL 1114Airbus A321neo
23h 25m·2 stops
$681 USD
Korean Air
ICNSep 7 19:40
→
LAXSep 7 14:50
KE 11Airbus A380
4h 35m layover
Delta Air Lines
LAXSep 7 19:25
→
SLCSep 7 22:15
DL 1483Airbus A321neo
1h 36m layover
Delta Air Lines
SLCSep 7 23:51
→
PHLSep 8 06:05
DL 2075Boeing 737
17h 41m·1 stop
$699 USD
Korean Air
ICNSep 7 08:45
→
ATLSep 7 09:35
KE 33Boeing 777
1h 41m layover
Delta Air Lines
ATLSep 7 11:16
→
PHLSep 7 13:26
DL 2279Airbus A321
17h 12m·1 stop
$699 USD
Korean Air
ICNSep 7 10:35
→
ATLSep 7 11:05
KE 35Boeing 777
1h 34m layover
Delta Air Lines
ATLSep 7 12:39
→
PHLSep 7 14:47
DL 2131Airbus A321
18h 12m·1 stop
$1,090 USD
Delta Air Lines
ICNSep 7 16:25
→
ATLSep 7 17:18
DL 188Airbus A350
2h 7m layover
Delta Air Lines
ATLSep 7 19:25
→
PHLSep 7 21:37
DL 2065Airbus A321
17h 16m·1 stop
$1,208 USD
Delta Air Lines
ICNSep 7 19:40
→
MSPSep 7 18:12
DL 170Airbus A350
2h 13m layover
Delta Air Lines
MSPSep 7 20:25
→
PHLSep 7 23:56
DL 2703Boeing 737
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