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 agoOctober 2026
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Great Availability
78% of dates checked are available within 10% of the lowest price
Sunday, October 4th, 2026
Outbound Flights
5h 20m·Nonstop
$165 USD
SEAOct 4 21:30
→PHLOct 5 05:50
DL 1114Airbus A321neo
7h 48m·1 stop
$249 USDSEAOct 4 23:59
→MSPOct 5 05:16
DL 953Boeing 757
1h 54m layover
MSPOct 5 07:10
→PHLOct 5 10:47
DL 2688Airbus A220-100 Passenger
7h 29m·1 stop
$359 USDSEAOct 4 07:15
→SLCOct 4 10:28
DL 2858Airbus A321neo
52m layover
SLCOct 4 11:20
→PHLOct 4 17:44
DL 2022Boeing 737
8h 57m·1 stop
$359 USDSEAOct 4 11:59
→MSPOct 4 17:30
DL 536Boeing 757
2h 52m layover
MSPOct 4 20:22
→PHLOct 4 23:56
DL 2703Boeing 737
10h 6m·1 stop
$419 USDSEAOct 4 07:20
→ATLOct 4 15:03
DL 562Boeing 757
3h 22m layover
ATLOct 4 18:25
→PHLOct 4 20:26
DL 2065Airbus A321
7h 29m·1 stop
$419 USDSEAOct 4 22:59
→ATLOct 5 06:35
DL 567Boeing 737
55m layover
ATLOct 5 07:30
→PHLOct 5 09:28
DL 1100Airbus A321