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 agoOctober 2026
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Great Availability
78% of dates checked are available within 10% of the lowest price
Monday, October 5th, 2026
Outbound Flights
5h 20m·Nonstop
$165 USD
SEAOct 5 21:30
→PHLOct 6 05:50
DL 1114Airbus A321neo
7h 50m·1 stop
$175 USDSEAOct 5 23:59
→MSPOct 6 05:16
DL 953Boeing 757
1h 54m layover
MSPOct 6 07:10
→PHLOct 6 10:49
DL 2688Airbus A220-100 Passenger
10h 6m·1 stop
$249 USDSEAOct 5 07:20
→ATLOct 5 15:03
DL 562Boeing 757
3h 22m layover
ATLOct 5 18:25
→PHLOct 5 20:26
DL 2065Airbus A321
7h 30m·1 stop
$298 USDSEAOct 5 22:59
→ATLOct 6 06:35
DL 567Boeing 737
50m layover
ATLOct 6 07:25
→PHLOct 6 09:29
DL 1100Airbus A321
8h 57m·1 stop
$359 USDSEAOct 5 11:59
→MSPOct 5 17:30
DL 536Boeing 757
2h 52m layover
MSPOct 5 20:22
→PHLOct 5 23:56
DL 2703Boeing 737
7h 49m·1 stop
$419 USDSEAOct 5 11:35
→ATLOct 5 19:24
DL 554Boeing 757
58m layover
ATLOct 5 20:22
→PHLOct 5 22:24
DL 1174Airbus A321
6h 40m·1 stop
$419 USDSEAOct 5 23:05
→DTWOct 6 06:28
DL 810Airbus A321neo
37m layover
DTWOct 6 07:05
→PHLOct 6 08:45
DL 2968Boeing 717