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Get United's best fares today on flights from Seattle to Philadelphia from *

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FromToDatesFare TypePrice

Seattle (SEA)

Philadelphia (PHL)

Depart: 02/05/20

Return: 02/09/20

Roundtrip
from
$289*
Viewed:1dayago

Seattle (SEA)

Philadelphia (PHL)

Depart: 12/20/19

Return: 12/31/19

Roundtrip
from
$1,213*
Viewed:1dayago

Seattle (SEA)

Philadelphia (PHL)

Depart: 04/24/20

Return: 04/26/20

Roundtrip
from
$460*
Viewed:1dayago

Seattle (SEA)

Philadelphia (PHL)

Depart: 06/17/20

Return: 07/01/20

Roundtrip
from
$361*
Viewed:1dayago

Seattle (SEA)

Philadelphia (PHL)

Depart: 01/08/20

Return: 01/09/20

Roundtrip
from
$424*
Viewed:17hoursago

Seattle (SEA)

Philadelphia (PHL)

Depart: 01/07/20

Return: 03/05/20

Roundtrip
from
$314*
Viewed:18hoursago

Seattle (SEA)

Philadelphia (PHL)

Depart: 03/22/20

Return: 03/27/20

Roundtrip
from
$630*
Viewed:20hoursago

Seattle (SEA)

Philadelphia (PHL)

Depart: 03/01/20

Return: 03/15/20

Roundtrip
from
$563*
Viewed:9hoursago

Seattle (SEA)

Philadelphia (PHL)

Depart: 02/22/20

Return: 03/07/20

Roundtrip
from
$355*
Viewed:9hoursago

Seattle (SEA)

Philadelphia (PHL)

Depart: 01/10/20

Return: 01/17/20

Roundtrip
from
$344*
Viewed:9hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Philadelphia

Friday few clouds
38°F 12/06/19
Saturday overcast clouds
34°F 12/07/19
Sunday overcast clouds
35°F 12/08/19
Monday heavy intensity rain
47°F 12/09/19
Tuesday heavy intensity rain
58°F 12/10/19
Wednesday light rain
37°F 12/11/19
Thursday sky is clear
28°F 12/12/19
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