Seattle / Tacoma (SEA) to Philadelphia (PHL) flight deal in economy from $165
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
PHLPhiladelphia International Airport
Philadelphia, United States
$201 USD
-18%$165 USD
Verified 13 days agoSeptember 2026
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Great Availability
78% of dates checked are available within 10% of the lowest price
Wednesday, September 2nd, 2026
Outbound Flights
5h 20m·Nonstop
$165 USD
SEASep 2 21:30
→PHLSep 3 05:50
DL 1114Airbus A321neo
8h 3m·1 stop
$175 USDSEASep 2 05:30
→DTWSep 2 12:42
DL 812Boeing 757
2h 9m layover
DTWSep 2 14:51
→PHLSep 2 16:33
DL 1391Boeing 717
6h 26m·1 stop
$175 USDSEASep 2 14:30
→MSPSep 2 19:54
DL 942Boeing 757
31m layover
MSPSep 2 20:25
→PHLSep 2 23:56
DL 2703Boeing 737
9h 2m·1 stop
$175 USDSEASep 2 05:45
→SLCSep 2 08:46
DL 1128Airbus A321neo
2h 42m layover
SLCSep 2 11:28
→PHLSep 2 17:47
DL 2022Boeing 737
8h 54m·1 stop
$175 USDSEASep 2 06:05
→MSPSep 2 11:25
DL 943Airbus A321
2h 55m layover
MSPSep 2 14:20
→PHLSep 2 17:59
DL 2594Airbus A220-300 Passenger
6h 37m·1 stop
$249 USDSEASep 2 09:53
→DTWSep 2 17:10
DL 2324Boeing 737
35m layover
DTWSep 2 17:45
→PHLSep 2 19:30
DL 1686Boeing 717
8h 6m·1 stop
$359 USDSEASep 2 23:59
→ATLSep 3 07:47
DL 652Airbus A321neo
1h 13m layover
ATLSep 3 09:00
→PHLSep 3 11:05
DL 2270Airbus A321
6h 38m·1 stop
$419 USDSEASep 2 23:10
→DTWSep 3 06:23
DL 810Boeing 737
49m layover
DTWSep 3 07:12
→PHLSep 3 08:48
DL 2968Boeing 717