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.
Thu, Apr 25 - Wed, May 1
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$168 Roundtrip, found 5 days ago
$168
Roundtrip
found 5 days ago
Fri, Apr 26 - Wed, May 1
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$192 Roundtrip, found 5 days ago
$192
Roundtrip
found 5 days ago
Tue, Apr 23 - Tue, Apr 30
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$205 Roundtrip, found 5 days ago
$205
Roundtrip
found 5 days ago
Tue, Apr 23 - Sat, May 4
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$208 Roundtrip, found 5 days ago
$208
Roundtrip
found 5 days ago
Tue, Jun 18 - Tue, Jun 25
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$210 Roundtrip, found 5 days ago
$210
Roundtrip
found 5 days ago
Fri, Apr 26 - Fri, May 3
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$216 Roundtrip, found 5 days ago
$216
Roundtrip
found 5 days ago
Tue, Apr 23 - Fri, May 3
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$232 Roundtrip, found 5 days ago
$232
Roundtrip
found 5 days ago
Mon, Apr 29 - Sat, May 4
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$238 Roundtrip, found 5 days ago
$238
Roundtrip
found 5 days ago
Mon, Jun 17 - Tue, Jun 25
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$239 Roundtrip, found 5 days ago
$239
Roundtrip
found 5 days ago
Wed, Apr 24 - Sat, May 4
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$241 Roundtrip, found 5 days ago
$241
Roundtrip
found 5 days ago
Sun, Apr 28 - Wed, May 1
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$248 Roundtrip, found 5 days ago
$248
Roundtrip
found 5 days ago
Mon, Apr 29 - Sun, May 5
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$257 Roundtrip, found 5 days ago
$257
Roundtrip
found 5 days ago
Wed, Apr 24 - Fri, May 3
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$262 Roundtrip, found 5 days ago
$262
Roundtrip
found 5 days ago
Mon, Jun 17 - Sun, Jun 23
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$268 Roundtrip, found 5 days ago
$268
Roundtrip
found 5 days ago
Wed, Apr 24 - Sun, May 5
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$271 Roundtrip, found 5 days ago
$271
Roundtrip
found 5 days ago
Sun, Apr 28 - Fri, May 3
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$272 Roundtrip, found 5 days ago
$272
Roundtrip
found 5 days ago
Sat, Apr 27 - Sat, May 4
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$277 Roundtrip, found 5 days ago
$277
Roundtrip
found 5 days ago
Tue, Jun 18 - Wed, Jun 26
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$279 Roundtrip, found 5 days ago
$279
Roundtrip
found 5 days ago
Sun, Apr 28 - Mon, Apr 29
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$288 Roundtrip, found 5 days ago
$288
Roundtrip
found 5 days ago
Tue, Jun 18 - Sun, Jun 23
PHL
Philadelphia Intl.
SEA
Seattle - Tacoma Intl.
$543 Roundtrip, found 5 days ago
$543
Roundtrip
found 5 days ago