Seattle / Tacoma (SEA) to Philadelphia (PHL) flight deal in economy from $165
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
PHLPhiladelphia International Airport
Philadelphia, United States
$216 USD
-24%$165 USD
Verified 13 days agoAugust 2026
Mon
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Good Availability
56% of dates checked are available within 10% of the lowest price
Saturday, August 15th, 2026
Outbound Flights
11h 26m·1 stop
$375 USD
SEAAug 15 05:50
→ORDAug 15 12:07
AA 1872Airbus A321
4h 52m layover
ORDAug 15 16:59
→PHLAug 15 20:16
AA 1848Airbus A319
10h 47m·1 stop
$474 USDSEAAug 15 23:16
→DFWAug 16 05:15
AA 2003Airbus A321
3h 25m layover
DFWAug 16 08:40
→PHLAug 16 13:03
AA 2255Airbus A321
5h 22m·Nonstop
$515 USDSEAAug 15 08:10
→PHLAug 15 16:32
AA 986Airbus A321
5h 19m·Nonstop
$515 USDSEAAug 15 12:50
→PHLAug 15 21:09
AA 2870Airbus A321
5h 18m·Nonstop
$515 USDSEAAug 15 21:58
→PHLAug 16 06:16
AA 2886Airbus A321
7h 44m·1 stop
$525 USDSEAAug 15 05:10
→CLTAug 15 13:13
AA 381Airbus A321
53m layover
CLTAug 15 14:06
→PHLAug 15 15:54
AA 2573Boeing 737
7h 20m·1 stop
$584 USDSEAAug 15 13:39
→ORDAug 15 20:14
AA 2966Airbus A321
35m layover
ORDAug 15 20:49
→PHLAug 15 23:59
AA 3177Boeing 737
6h 58m·1 stop
$584 USDSEAAug 15 23:56
→ORDAug 16 06:05
AA 2379Airbus A321
40m layover
ORDAug 16 06:45
→PHLAug 16 09:54
AA 471Airbus A321