$102 Cheap Frontier Airlines flights Seattle (SEA) to Philadelphia (PHL)

$102 Cheap Frontier Airlines flights Seattle (SEA) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $102 for one-way flights and $242 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Dec 5 - Thu, Dec 18

SEA

Seattle

PHL

Philadelphia

$242 Roundtrip, found 15 hours ago

$242

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Fri, Dec 5 from Seattle to Philadelphia, returning Thu, Dec 18, priced at $242 found 15 hours ago

Thu, Feb 12 - Mon, Mar 2

SEA

Seattle

PHL

Philadelphia

$243 Roundtrip, found 15 hours ago

$243

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Thu, Feb 12 from Seattle to Philadelphia, returning Mon, Mar 2, priced at $243 found 15 hours ago

Mon, Dec 15 - Sun, Jan 4

SEA

Seattle

PHL

Philadelphia

$258 Roundtrip, found 15 hours ago

$258

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Dec 15 from Seattle to Philadelphia, returning Sun, Jan 4, priced at $258 found 15 hours ago

Thu, Dec 25 - Sun, Jan 4

SEA

Seattle

PHL

Philadelphia

$262 Roundtrip, found 15 hours ago

$262

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Thu, Dec 25 from Seattle to Philadelphia, returning Sun, Jan 4, priced at $262 found 15 hours ago

Tue, Dec 30 - Fri, Jan 9

SEA

Seattle

PHL

Philadelphia

$278 Roundtrip, found 15 hours ago

$278

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Tue, Dec 30 from Seattle to Philadelphia, returning Fri, Jan 9, priced at $278 found 15 hours ago

Fri, Dec 5 - Mon, Dec 22

SEA

Seattle

PHL

Philadelphia

$288 Roundtrip, found 15 hours ago

$288

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Fri, Dec 5 from Seattle to Philadelphia, returning Mon, Dec 22, priced at $288 found 15 hours ago