
$179 Cheap United flights Seattle (SEA) to Philadelphia (PHL)
Prices were available within the past 7 days and start at $179 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 26 - Mon, Feb 2
SEA
Seattle
PHL
Philadelphia
$257 Roundtrip, found 22 hours ago
$257
Roundtrip
found 22 hours ago

Mon, Jan 26 - Mon, Feb 2
SEA
Seattle
PHL
Philadelphia
$262 Roundtrip, found 22 hours ago
$262
Roundtrip
found 22 hours ago

Mon, Jan 26 - Mon, Feb 2
SEA
Seattle
PHL
Philadelphia
$284 Roundtrip, found 22 hours ago
$284
Roundtrip
found 22 hours ago

Mon, Jan 26 - Mon, Feb 2
SEA
Seattle
PHL
Philadelphia
$289 Roundtrip, found 22 hours ago
$289
Roundtrip
found 22 hours ago

Mon, Jan 26 - Mon, Feb 2
SEA
Seattle
PHL
Philadelphia
$294 Roundtrip, found 22 hours ago
$294
Roundtrip
found 22 hours ago

Mon, Jan 26 - Mon, Feb 2
SEA
Seattle
PHL
Philadelphia
$303 Roundtrip, found 22 hours ago
$303
Roundtrip
found 22 hours ago
Find the cheapest month to fly from Seattle (SEA) to Philadelphia (PHL)
March is typically the cheapest month to fly
From $148 - $378 per traveler.
Origin airport | Seattle - Tacoma Intl. |
|---|---|
Destination airport | Philadelphia Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United |
Popular airline | Delta |
Distance | 3794 km |
Average flight time | 8 hours 5 mins |
Most Popular United Routes from Seattle
Most Popular United Routes from Philadelphia
- Minneapolis to Tampa (MSP - TPA)
- Dallas to Cincinnati (DFW - CVG)
- Houston to Columbus (IAH - CMH)
- New York to Knoxville (LGA - TYS)
- Fort Lauderdale to Hartford (FLL - BDL)
- Williston to Harlingen (XWA - HRL)
- Baltimore to Shreveport (BWI - SHV)
- Medford to Hartford (MFR - BDL)
- Madison to Portland (MSN - PDX)
- Atlanta to Fort Lauderdale (ATL - FLL)
Popular Domestic Routes in Philadelphia Intl.
- Baltimore to Shreveport (BWI - SHV)
- New York to Knoxville (LGA - TYS)
- Houston to Columbus (IAH - CMH)
- Atlanta to Fort Lauderdale (ATL - FLL)
- Atlanta to Missoula (ATL - MSO)
- Billings to Harlingen (BIL - HRL)
- Newark Liberty Intl. Airport to London (EWR - LHR)
- Boston to Atlanta (BOS - ATL)
- Newark Liberty Intl. Airport to Miami (EWR - MIA)
- Newark Liberty Intl. Airport to Phoenix (EWR - PHX)