
$197 Cheap United flights Seattle (SEA) to Philadelphia (PHL)
$197 Cheap United flights Seattle (SEA) to Philadelphia (PHL)
Prices were available within the past 7 days and start at $197 for one-way flights and $361 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 15 - Sun, Jul 19
SEA
Seattle
PHL
Philadelphia
$361 Roundtrip, found 19 hours ago
$361
Roundtrip
found 19 hours ago

Wed, Jul 15 - Sun, Jul 19
SEA
Seattle
PHL
Philadelphia
$406 Roundtrip, found 19 hours ago
$406
Roundtrip
found 19 hours ago

Wed, Jul 15 - Sun, Jul 19
SEA
Seattle
PHL
Philadelphia
$419 Roundtrip, found 19 hours ago
$419
Roundtrip
found 19 hours ago

Thu, Jun 18 - Sat, Jun 20
SEA
Seattle
PHL
Philadelphia
$445 Roundtrip, found 4 days ago
$445
Roundtrip
found 4 days ago
Find the cheapest month to fly from Seattle (SEA) to Philadelphia (PHL)
June is typically the cheapest month to fly
From $279 - $382 per traveler.
Travel information
Origin airport | Seattle - Tacoma Intl. |
|---|---|
Destination airport | Philadelphia Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United |
Popular airline | American Airlines |
Distance | 3794 km |
Average flight time | 9 hours 4 mins |
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Most Popular United Routes from Seattle
Most Popular United Routes from Philadelphia
- Los Angeles to Chicago (LAX - ORD)
- Montreal to Lyon (YUL - LYS)
- Philadelphia to St. Louis (PHL - STL)
- Atlanta to Cincinnati (ATL - CVG)
- Phoenix to Palermo (PHX - PMO)
- Milwaukee to Orlando (MKE - MCO)
- Chattanooga to Chicago (CHA - ORD)
- Richmond to Portland (RIC - PWM)
- Los Angeles to Atlanta (LAX - ATL)
- Phoenix to Palermo (PHX - PMO)
Popular Domestic Routes in Philadelphia Intl.
- Newark Liberty Intl. Airport to San Jose (EWR - SJC)
- Milwaukee to Orlando (MKE - MCO)
- Atlanta to Cincinnati (ATL - CVG)
- Chattanooga to Chicago (CHA - ORD)
- Tampa to Berlin (TPA - BER)
- Richmond to Portland (RIC - PWM)
- Newark Liberty Intl. Airport to Columbia (EWR - CAE)
- Philadelphia to St. Louis (PHL - STL)
- Newark Liberty Intl. Airport to San Jose (EWR - SJC)
- Los Angeles to Chicago (LAX - ORD)