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 14 days agoJuly 2026
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Great Availability
74% of dates checked are available within 10% of the lowest price
Thursday, July 16th, 2026
Outbound Flights
8h 48m·1 stop
$319 USD
PHLJul 16 06:25
→ATLJul 16 08:28
DL 1152Airbus A321
1h 22m layover
ATLJul 16 09:50
→SEAJul 16 12:13
DL 774Airbus A321neo
9h 9m·1 stop
$319 USDPHLJul 16 10:40
→ATLJul 16 12:49
DL 1100Airbus A321
1h 49m layover
ATLJul 16 14:38
→SEAJul 16 16:49
DL 481Boeing 737
8h 4m·1 stop
$319 USDPHLJul 16 18:55
→SLCJul 16 21:45
DL 2022Boeing 737
1h layover
SLCJul 16 22:45
→SEAJul 16 23:59
DL 2998Boeing 737
5h 56m·Nonstop
$329 USDPHLJul 16 07:05
→SEAJul 16 10:01
DL 2092Airbus A321neo
10h 5m·1 stop
$369 USDPHLJul 16 07:30
→SLCJul 16 10:10
DL 2023Boeing 737
3h 10m layover
SLCJul 16 13:20
→SEAJul 16 14:35
DL 2921Airbus A321neo
8h 39m·1 stop
$369 USDPHLJul 16 14:32
→ATLJul 16 16:40
DL 2279Airbus A321
1h 10m layover
ATLJul 16 17:50
→SEAJul 16 20:11
DL 714Boeing 757
8h 5m·1 stop
$419 USDPHLJul 16 17:28
→DTWJul 16 19:15
DL 1391Boeing 717
1h 19m layover
DTWJul 16 20:34
→SEAJul 16 22:33
DL 565Boeing 757
8h 1m·1 stop
$419 USDPHLJul 16 18:57
→MSPJul 16 20:53
DL 2594Airbus A220-100 Passenger
1h 15m layover
MSPJul 16 22:08
→SEAJul 16 23:58
DL 505Boeing 757