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
Saturday, October 31st, 2026
Outbound Flights
5h 14m·Nonstop
$165 USD
SEAOct 31 21:31
→PHLNov 1 04:45
DL 1114Airbus A321neo
7h 35m·1 stop
$175 USDSEAOct 31 06:00
→DTWOct 31 13:23
DL 812Boeing 737
1h 32m layover
DTWOct 31 14:55
→PHLOct 31 16:35
DL 1391Boeing 717
7h 24m·1 stop
$175 USDSEAOct 31 07:15
→SLCOct 31 10:32
DL 2858Airbus A321neo
51m layover
SLCOct 31 11:23
→PHLOct 31 17:39
DL 2022Boeing 737
7h 9m·1 stop
$175 USDSEAOct 31 13:35
→MSPOct 31 19:03
DL 942Boeing 737
1h 10m layover
MSPOct 31 20:13
→PHLOct 31 23:44
DL 2703Boeing 737
8h 16m·1 stop
$175 USDSEAOct 31 13:40
→ATLOct 31 21:27
DL 542Boeing 737
1h 28m layover
ATLOct 31 22:55
→PHLNov 1 00:56
DL 2642Airbus A321
7h 40m·1 stop
$175 USDSEAOct 31 23:05
→DTWNov 1 05:23
DL 810Airbus A321neo
1h 42m layover
DTWNov 1 07:05
→PHLNov 1 08:45
DL 2968Boeing 717
8h 17m·1 stop
$175 USDSEAOct 31 23:59
→ATLNov 1 06:32
DL 652Airbus A321neo
1h 43m layover
ATLNov 1 08:15
→PHLNov 1 10:16
DL 2270Airbus A321