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
Friday, July 17th, 2026
Outbound Flights
5h 56m·Nonstop
$314 USD
PHLJul 17 07:05
→SEAJul 17 10:01
DL 2092Airbus A321neo
9h 9m·1 stop
$324 USDPHLJul 17 10:40
→ATLJul 17 12:49
DL 1100Airbus A321
1h 49m layover
ATLJul 17 14:38
→SEAJul 17 16:49
DL 481Boeing 737
10h 3m·1 stop
$324 USDPHLJul 17 12:02
→ATLJul 17 14:05
DL 2270Airbus A321
2h 40m layover
ATLJul 17 16:45
→SEAJul 17 19:05
DL 472Boeing 757
8h 4m·1 stop
$324 USDPHLJul 17 18:55
→SLCJul 17 21:45
DL 2022Boeing 737
1h layover
SLCJul 17 22:45
→SEAJul 17 23:59
DL 2998Boeing 737
8h 30m·1 stop
$344 USDPHLJul 17 08:05
→ATLJul 17 10:11
DL 1180Airbus A321
59m layover
ATLJul 17 11:10
→SEAJul 17 13:35
DL 648Airbus A321neo
8h 5m·1 stop
$424 USDPHLJul 17 17:28
→DTWJul 17 19:15
DL 1391Boeing 717
1h 19m layover
DTWJul 17 20:34
→SEAJul 17 22:33
DL 565Boeing 757
8h 24m·1 stop
$534 USDPHLJul 17 11:36
→MSPJul 17 13:21
DL 2688Airbus A220-100 Passenger
1h 54m layover
MSPJul 17 15:15
→SEAJul 17 17:00
DL 877Airbus A321
8h 40m·1 stop
$534 USDPHLJul 17 16:08
→ATLJul 17 18:32
DL 2131Airbus A321
50m layover
ATLJul 17 19:22
→SEAJul 17 21:48
DL 834Airbus A321neo