Philadelphia (PHL) to Seattle / Tacoma (SEA) flight deal in economy from $165
PHLPhiladelphia International Airport
Philadelphia, United States
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$212 USD
-22%$165 USD
Verified 13 days agoJuly 2026
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Great Availability
74% of dates checked are available within 10% of the lowest price
Friday, July 31st, 2026
Outbound Flights
8h 1m·1 stop
$319 USD
PHLJul 31 18:57
→MSPJul 31 20:53
DL 2594Airbus A220-100 Passenger
1h 15m layover
MSPJul 31 22:08
→SEAJul 31 23:58
DL 505Boeing 757
5h 56m·Nonstop
$359 USDPHLJul 31 07:05
→SEAJul 31 10:01
DL 2092Airbus A321neo
8h 39m·1 stop
$369 USDPHLJul 31 14:32
→ATLJul 31 16:40
DL 2279Airbus A321
1h 10m layover
ATLJul 31 17:50
→SEAJul 31 20:11
DL 714Boeing 757
8h 40m·1 stop
$369 USDPHLJul 31 16:08
→ATLJul 31 18:32
DL 2131Airbus A321
50m layover
ATLJul 31 19:22
→SEAJul 31 21:48
DL 834Airbus A321neo
10h 5m·1 stop
$529 USDPHLJul 31 07:30
→SLCJul 31 10:10
DL 2023Boeing 737
3h 10m layover
SLCJul 31 13:20
→SEAJul 31 14:35
DL 2921Airbus A321neo
11h 25m·1 stop
$529 USDPHLJul 31 10:40
→ATLJul 31 12:49
DL 1100Airbus A321
3h 56m layover
ATLJul 31 16:45
→SEAJul 31 19:05
DL 472Boeing 757