Cheapest flights from Philadelphia
These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Wed, May 15 - Fri, May 17
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$140 Roundtrip, found 6 days ago
$140
Roundtrip
found 6 days ago
Wed, May 15 - Mon, May 20
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$160 Roundtrip, found 6 days ago
$160
Roundtrip
found 6 days ago
Wed, May 15 - Sun, May 19
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$170 Roundtrip, found 6 days ago
$170
Roundtrip
found 6 days ago
Thu, May 16 - Fri, May 17
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$182 Roundtrip, found 6 days ago
$182
Roundtrip
found 6 days ago
Mon, May 13 - Fri, May 17
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$194 Roundtrip, found 6 days ago
$194
Roundtrip
found 6 days ago
Thu, May 16 - Mon, May 20
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$202 Roundtrip, found 6 days ago
$202
Roundtrip
found 6 days ago
Fri, May 10 - Fri, May 17
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$204 Roundtrip, found 6 days ago
$204
Roundtrip
found 6 days ago
Thu, May 16 - Sun, May 19
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$212 Roundtrip, found 6 days ago
$212
Roundtrip
found 6 days ago
Wed, May 15 - Wed, May 22
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$214 Roundtrip, found 6 days ago
$214
Roundtrip
found 6 days ago
Fri, May 10 - Mon, May 20
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$224 Roundtrip, found 6 days ago
$224
Roundtrip
found 6 days ago
Fri, May 10 - Sun, May 19
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$234 Roundtrip, found 6 days ago
$234
Roundtrip
found 6 days ago
Fri, Jul 5 - Tue, Jul 16
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$238 Roundtrip, found 3 days ago
$238
Roundtrip
found 3 days ago
Sun, May 12 - Fri, May 17
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$254 Roundtrip, found 6 days ago
$254
Roundtrip
found 6 days ago
Thu, May 16 - Wed, May 22
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$256 Roundtrip, found 6 days ago
$256
Roundtrip
found 6 days ago
Fri, Jul 5 - Fri, Jul 12
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$266 Roundtrip, found 3 days ago
$266
Roundtrip
found 3 days ago
Sat, May 11 - Sat, May 18
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$292 Roundtrip, found 6 days ago
$292
Roundtrip
found 6 days ago
Sat, May 11 - Mon, May 20
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$319 Roundtrip, found 6 days ago
$319
Roundtrip
found 6 days ago
Mon, May 13 - Sun, May 19
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$487 Roundtrip, found 6 days ago
$487
Roundtrip
found 6 days ago
Mon, May 13 - Sun, May 19
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$589 Roundtrip, found 6 days ago
$589
Roundtrip
found 6 days ago
Mon, May 13 - Sun, May 19
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$598 Roundtrip, found 6 days ago
$598
Roundtrip
found 6 days ago