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 agoSeptember 2026
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Great Availability
78% of dates checked are available within 10% of the lowest price
Monday, September 28th, 2026
Outbound Flights
5h 20m·Nonstop
$165 USD
SEASep 28 21:30
→PHLSep 29 05:50
DL 1114Airbus A321neo
7h 48m·1 stop
$175 USDSEASep 28 23:59
→MSPSep 29 05:16
DL 953Boeing 757
1h 54m layover
MSPSep 29 07:10
→PHLSep 29 10:47
DL 2688Airbus A220-100 Passenger
8h 59m·1 stop
$299 USDSEASep 28 05:45
→SLCSep 28 08:50
DL 1128Airbus A321neo
2h 30m layover
SLCSep 28 11:20
→PHLSep 28 17:44
DL 2022Boeing 737
7h 29m·1 stop
$359 USDSEASep 28 22:59
→ATLSep 29 06:35
DL 567Boeing 737
55m layover
ATLSep 29 07:30
→PHLSep 29 09:28
DL 1100Airbus A321
7h 32m·1 stop
$419 USDSEASep 28 06:00
→DTWSep 28 13:20
DL 812Boeing 737
1h 29m layover
DTWSep 28 14:49
→PHLSep 28 16:32
DL 1391Boeing 717
7h 29m·1 stop
$419 USDSEASep 28 07:15
→SLCSep 28 10:28
DL 2858Airbus A321neo
52m layover
SLCSep 28 11:20
→PHLSep 28 17:44
DL 2022Boeing 737
6h 42m·1 stop
$419 USDSEASep 28 23:05
→DTWSep 29 06:28
DL 810Airbus A321neo
42m layover
DTWSep 29 07:10
→PHLSep 29 08:47
DL 2968Boeing 717
10h 6m·1 stop
$899 USDSEASep 28 11:35
→ATLSep 28 19:24
DL 554Boeing 757
3h 16m layover
ATLSep 28 22:40
→PHLSep 29 00:41
DL 2642Airbus A321