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
$201 USD
-18%$165 USD
Verified 13 days agoJuly 2026
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Great Availability
78% of dates checked are available within 10% of the lowest price
Saturday, July 18th, 2026
Outbound Flights
7h 25m·1 stop
$319 USD
SEAJul 18 05:30
→SLCJul 18 08:30
DL 1128Airbus A321neo
1h 5m layover
SLCJul 18 09:35
→PHLJul 18 15:55
DL 2022Boeing 737
7h 33m·1 stop
$319 USDSEAJul 18 22:58
→ATLJul 19 06:45
DL 409Boeing 737
45m layover
ATLJul 19 07:30
→PHLJul 19 09:31
DL 1100Airbus A321
8h 39m·1 stop
$319 USDSEAJul 18 06:00
→ATLJul 18 13:53
DL 569Boeing 737
1h 37m layover
ATLJul 18 15:30
→PHLJul 18 17:39
DL 1169Airbus A321
9h 31m·1 stop
$319 USDSEAJul 18 07:20
→ATLJul 18 15:17
DL 562Boeing 757
2h 28m layover
ATLJul 18 17:45
→PHLJul 18 19:51
DL 1329Airbus A321
10h·1 stop
$319 USDSEAJul 18 11:59
→ATLJul 18 20:04
DL 554Boeing 757
2h 52m layover
ATLJul 18 22:56
→PHLJul 19 00:59
DL 2642Airbus A321
5h 9m·Nonstop
$329 USDSEAJul 18 21:20
→PHLJul 19 05:29
DL 1114Airbus A321neo
8h 59m·1 stop
$339 USDSEAJul 18 06:05
→MSPJul 18 11:24
DL 943Boeing 737
3h 1m layover
MSPJul 18 14:25
→PHLJul 18 18:04
DL 8783Airbus A220-100 Passenger
7h 58m·1 stop
$339 USDSEAJul 18 23:59
→ATLJul 19 07:47
DL 652Airbus A321neo
1h 8m layover
ATLJul 19 08:55
→PHLJul 19 10:57
DL 2270Airbus A321