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

Thursday, August 13th, 2026

Outbound Flights

8h 33m·1 stop
$175 USD
Delta Air Lines
SEAAug 13 07:16
→
ATLAug 13 15:13
DL 562Boeing 757
1h 17m layover
Delta Air Lines
ATLAug 13 16:30
→
PHLAug 13 18:49
DL 1329Airbus A321
8h 34m·1 stop
$299 USD
Delta Air Lines
SEAAug 13 06:00
→
ATLAug 13 13:52
DL 569Boeing 737
1h 28m layover
Delta Air Lines
ATLAug 13 15:20
→
PHLAug 13 17:34
DL 1169Airbus A321
10h 23m·1 stop
$299 USD
Delta Air Lines
SEAAug 13 11:56
→
ATLAug 13 20:01
DL 554Boeing 757
3h 4m layover
Delta Air Lines
ATLAug 13 23:05
→
PHLAug 14 01:19
DL 2642Airbus A321
9h 27m·1 stop
$359 USD
Delta Air Lines
SEAAug 13 09:10
→
ATLAug 13 17:01
DL 797Boeing 757
2h 24m layover
Delta Air Lines
ATLAug 13 19:25
→
PHLAug 13 21:37
DL 2065Airbus A321
8h 56m·1 stop
$359 USD
Delta Air Lines
SEAAug 13 18:09
→
SLCAug 13 21:17
DL 1165Boeing 737
2h 34m layover
Delta Air Lines
SLCAug 13 23:51
→
PHLAug 14 06:05
DL 2075Boeing 737
5h 20m·Nonstop
$409 USD
Delta Air Lines
SEAAug 13 21:30
→
PHLAug 14 05:50
DL 1114Airbus A321neo
6h 26m·1 stop
$419 USD
Delta Air Lines
SEAAug 13 14:30
→
MSPAug 13 19:54
DL 942Boeing 757
31m layover
Delta Air Lines
MSPAug 13 20:25
→
PHLAug 13 23:56
DL 2703Boeing 737
6h 38m·1 stop
$529 USD
Delta Air Lines
SEAAug 13 23:10
→
DTWAug 14 06:23
DL 810Boeing 737
49m layover
Delta Air Lines
DTWAug 14 07:12
→
PHLAug 14 08:48
DL 2968Boeing 717
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