Seattle / Tacoma (SEA) to Philadelphia (PHL) flight deal in economy from $165

Delta Air LinesDLDelta Air Lines
One Way•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
$201 USD
-18%$165 USD
Verified 13 days ago
Great Availability
78% of dates checked are available within 10% of the lowest price

Wednesday, August 26th, 2026

Outbound Flights

5h 20m·Nonstop
$165 USD
Delta Air Lines
SEAAug 26 21:30
→
PHLAug 27 05:50
DL 1114Airbus A321neo
8h 34m·1 stop
$175 USD
Delta Air Lines
SEAAug 26 06:00
→
ATLAug 26 13:52
DL 569Boeing 737
1h 28m layover
Delta Air Lines
ATLAug 26 15:20
→
PHLAug 26 17:34
DL 1169Airbus A321
8h 54m·1 stop
$175 USD
Delta Air Lines
SEAAug 26 06:05
→
MSPAug 26 11:25
DL 943Airbus A321
2h 55m layover
Delta Air Lines
MSPAug 26 14:20
→
PHLAug 26 17:59
DL 2594Airbus A220-300 Passenger
6h 38m·1 stop
$175 USD
Delta Air Lines
SEAAug 26 23:10
→
DTWAug 27 06:23
DL 810Boeing 737
49m layover
Delta Air Lines
DTWAug 27 07:12
→
PHLAug 27 08:48
DL 2968Boeing 717
7h 48m·1 stop
$175 USD
Delta Air Lines
SEAAug 26 23:59
→
MSPAug 27 05:17
DL 953Airbus A321neo
1h 56m layover
Delta Air Lines
MSPAug 27 07:13
→
PHLAug 27 10:47
DL 2688Airbus A220-100 Passenger
9h 42m·1 stop
$175 USD
Delta Air Lines
SEAAug 26 07:16
→
ATLAug 26 15:13
DL 562Boeing 757
2h 32m layover
Delta Air Lines
ATLAug 26 17:45
→
PHLAug 26 19:58
DL 1329Airbus A321
6h 37m·1 stop
$359 USD
Delta Air Lines
SEAAug 26 09:53
→
DTWAug 26 17:10
DL 2324Boeing 737
35m layover
Delta Air Lines
DTWAug 26 17:45
→
PHLAug 26 19:30
DL 1686Boeing 717
6h 26m·1 stop
$359 USD
Delta Air Lines
SEAAug 26 14:30
→
MSPAug 26 19:54
DL 942Boeing 757
31m layover
Delta Air Lines
MSPAug 26 20:25
→
PHLAug 26 23:56
DL 2703Boeing 737
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