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

Saturday, August 22nd, 2026

Outbound Flights

10h 58m·1 stop
$359 USD
Delta Air Lines
SEAAug 22 06:00
→
ATLAug 22 13:52
DL 569Boeing 737
3h 53m layover
Delta Air Lines
ATLAug 22 17:45
→
PHLAug 22 19:58
DL 1329Airbus A321
8h 53m·1 stop
$359 USD
Delta Air Lines
SEAAug 22 21:45
→
ATLAug 23 05:38
DL 409Boeing 737
1h 52m layover
Delta Air Lines
ATLAug 23 07:30
→
PHLAug 23 09:38
DL 1100Airbus A321
5h 20m·Nonstop
$409 USD
Delta Air Lines
SEAAug 22 21:30
→
PHLAug 23 05:50
DL 1114Airbus A321neo
8h 15m·1 stop
$419 USD
Delta Air Lines
SEAAug 22 05:30
→
SLCAug 22 08:31
DL 1128Airbus A321neo
1h 57m layover
Delta Air Lines
SLCAug 22 10:28
→
PHLAug 22 16:45
DL 2022Boeing 737
8h 54m·1 stop
$419 USD
Delta Air Lines
SEAAug 22 06:05
→
MSPAug 22 11:25
DL 943Airbus A321neo
2h 55m layover
Delta Air Lines
MSPAug 22 14:20
→
PHLAug 22 17:59
DL 2594Airbus A220-300 Passenger
6h 26m·1 stop
$529 USD
Delta Air Lines
SEAAug 22 14:30
→
MSPAug 22 19:54
DL 942Boeing 757
31m layover
Delta Air Lines
MSPAug 22 20:25
→
PHLAug 22 23:56
DL 2703Boeing 737
7h 48m·1 stop
$529 USD
Delta Air Lines
SEAAug 22 09:10
→
ATLAug 22 17:01
DL 797Boeing 757
44m layover
Delta Air Lines
ATLAug 22 17:45
→
PHLAug 22 19:58
DL 1329Airbus A321
6h 38m·1 stop
$529 USD
Delta Air Lines
SEAAug 22 23:10
→
DTWAug 23 06:23
DL 810Boeing 737
49m layover
Delta Air Lines
DTWAug 23 07:12
→
PHLAug 23 08:48
DL 2968Boeing 717
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