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
Friday, July 17th, 2026
Outbound Flights
5h 9m·Nonstop
$309 USD
SEAJul 17 21:20
→PHLJul 18 05:29
DL 1114Airbus A321neo
6h 26m·1 stop
$319 USDSEAJul 17 14:30
→MSPJul 17 19:54
DL 942Boeing 757
31m layover
MSPJul 17 20:25
→PHLJul 17 23:56
DL 2703Boeing 737
9h 45m·1 stop
$339 USDSEAJul 17 08:35
→ATLJul 17 16:31
DL 797Boeing 757
2h 44m layover
ATLJul 17 19:15
→PHLJul 17 21:20
DL 2065Airbus A321
6h 26m·1 stop
$369 USDSEAJul 17 23:15
→DTWJul 18 06:28
DL 810Boeing 737
37m layover
DTWJul 18 07:05
→PHLJul 18 08:41
DL 2968Boeing 717
9h 9m·1 stop
$419 USDSEAJul 17 05:30
→SLCJul 17 08:30
DL 1128Airbus A321neo
2h 50m layover
SLCJul 17 11:20
→PHLJul 17 17:39
DL 2022Boeing 737
8h 13m·1 stop
$529 USDSEAJul 17 05:30
→DTWJul 17 12:42
DL 812Boeing 757
2h 18m layover
DTWJul 17 15:00
→PHLJul 17 16:43
DL 1391Boeing 717
8h 12m·1 stop
$529 USDSEAJul 17 06:00
→ATLJul 17 13:53
DL 569Boeing 737
1h 12m layover
ATLJul 17 15:05
→PHLJul 17 17:12
DL 1169Airbus A321
7h 52m·1 stop
$529 USDSEAJul 17 07:20
→ATLJul 17 15:17
DL 562Boeing 757
48m layover
ATLJul 17 16:05
→PHLJul 17 18:12
DL 1329Airbus A321