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
Mon
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Sun
Great Availability
78% of dates checked are available within 10% of the lowest price
Sunday, September 6th, 2026
Outbound Flights
10h 58m·1 stop
$209 USD
SEASep 6 06:00
→ATLSep 6 13:52
DL 569Boeing 737
3h 53m layover
ATLSep 6 17:45
→PHLSep 6 19:58
DL 1329Airbus A321
9h 8m·1 stop
$209 USDSEASep 6 11:18
→DTWSep 6 18:35
DL 1706Boeing 757
3h 10m layover
DTWSep 6 21:45
→PHLSep 6 23:26
DL 2402Boeing 717
8h 54m·1 stop
$249 USDSEASep 6 06:05
→MSPSep 6 11:25
DL 943Airbus A321neo
2h 55m layover
MSPSep 6 14:20
→PHLSep 6 17:59
DL 2594Airbus A220-300 Passenger
8h 34m·1 stop
$299 USDSEASep 6 06:00
→ATLSep 6 13:52
DL 569Boeing 737
1h 28m layover
ATLSep 6 15:20
→PHLSep 6 17:34
DL 1169Airbus A321
7h 32m·1 stop
$359 USDSEASep 6 07:15
→SLCSep 6 10:26
DL 2858Airbus A321neo
1h 2m layover
SLCSep 6 11:28
→PHLSep 6 17:47
DL 2022Boeing 737
7h 48m·1 stop
$419 USDSEASep 6 09:10
→ATLSep 6 17:01
DL 797Boeing 757
44m layover
ATLSep 6 17:45
→PHLSep 6 19:58
DL 1329Airbus A321
6h 26m·1 stop
$419 USDSEASep 6 14:30
→MSPSep 6 19:54
DL 942Boeing 757
31m layover
MSPSep 6 20:25
→PHLSep 6 23:56
DL 2703Boeing 737
5h 20m·Nonstop
$519 USDSEASep 6 21:30
→PHLSep 7 05:50
DL 1114Airbus A321neo