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 14 days agoJuly 2026
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Great Availability
78% of dates checked are available within 10% of the lowest price
Tuesday, July 14th, 2026
Outbound Flights
5h 9m·Nonstop
$309 USD
SEAJul 14 21:20
→PHLJul 15 05:29
DL 1114Airbus A321neo
6h 40m·1 stop
$319 USDSEAJul 14 09:45
→DTWJul 14 17:04
DL 2324Boeing 737
36m layover
DTWJul 14 17:40
→PHLJul 14 19:25
DL 1686Boeing 717
6h 26m·1 stop
$319 USDSEAJul 14 14:30
→MSPJul 14 19:54
DL 942Boeing 757
31m layover
MSPJul 14 20:25
→PHLJul 14 23:56
DL 2703Boeing 737
8h 13m·1 stop
$319 USDSEAJul 14 05:30
→DTWJul 14 12:42
DL 812Boeing 757
2h 18m layover
DTWJul 14 15:00
→PHLJul 14 16:43
DL 1391Boeing 717
8h 12m·1 stop
$319 USDSEAJul 14 06:00
→ATLJul 14 13:53
DL 569Boeing 737
1h 12m layover
ATLJul 14 15:05
→PHLJul 14 17:12
DL 1169Airbus A321
8h 59m·1 stop
$319 USDSEAJul 14 06:05
→MSPJul 14 11:24
DL 943Boeing 737
3h 1m layover
MSPJul 14 14:25
→PHLJul 14 18:04
DL 2594Airbus A220-100 Passenger
7h 45m·1 stop
$319 USDSEAJul 14 23:59
→MSPJul 15 05:15
DL 953Boeing 757
1h 55m layover
MSPJul 15 07:10
→PHLJul 15 10:44
DL 2688Airbus A220-100 Passenger
6h 26m·1 stop
$369 USDSEAJul 14 23:15
→DTWJul 15 06:28
DL 810Boeing 737
37m layover
DTWJul 15 07:05
→PHLJul 15 08:41
DL 2968Boeing 717