Economy One-way to Philadelphia (SEA-PHL) in Jan from Seattle

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Economy One-way to Philadelphia (SEA-PHL) in Jan from Seattle

Other Destinations

ATLA destination

Economy One-way to Atlanta (Any)

Seattle (SEA) to Atlanta (Any) in January from $135

LAS destination

Economy Roundtrip to Las Vegas (LAS)

Seattle (SEA) to Las Vegas (LAS) in January from $218

IAH destination

Economy Roundtrip to Houston (IAH)

Seattle (SEA) to Houston (IAH) in January from $234

SJC destination

Economy Roundtrip to San Jose (SJC)

Seattle (SEA) to San Jose (SJC) in January from $236

PHX destination

Economy Roundtrip to Phoenix (PHX)

Seattle (SEA) to Phoenix (PHX) in January from $375

BPT destination

Economy Roundtrip to Beaumont (BPT)

Seattle (SEA) to Beaumont (BPT) in January from $454

Flights from Other Cities

PHL destination

Economy One-way to Philadelphia (PHL)

Myrtle Beach (MYR) to Philadelphia (PHL) in January from $67

PHL destination

Economy Roundtrip to Philadelphia (PHL)

Boston (BOS) to Philadelphia (PHL) in January from $121

PHL destination

Economy One-way to Philadelphia (PHL)

Las Vegas (LAS) to Philadelphia (PHL) in January from $128

PHL destination

Economy Roundtrip to Philadelphia (PHL)

San Antonio (SAT) to Philadelphia (PHL) in January from $156

PHL destination

Economy Roundtrip to Philadelphia (PHL)

Denver (DEN) to Philadelphia (PHL) in January from $183

PHL destination

Economy Roundtrip to Philadelphia (PHL)

Atlanta (ATL) to Philadelphia (PHL) in January from $235

Cheap economy Class Flights from Seattle (SEA) to Philadelphia (PHL) January

Find the best deals on economy class flights. Compare prices for direct flights, one-stop, and multi-stop options.

Why Choose Economy Class Flights from Seattle (SEA) to Philadelphia (PHL)?

Compare prices from multiple airlines
Find direct flights and multi-stop options
Best deals for january travel
Flexible booking options
24/7 customer support

Planning a trip from Seattle (SEA) to Philadelphia (PHL) in january? SlickTrip helps you find the cheapest economy class flights with our comprehensive flight comparison tool. Whether you prefer direct flights for convenience or multi-stop flights for savings, we have options for every budget and schedule.