Best Flights starting from $125
from$125economy
Seattle (SEA)
Sat, May 2
One-way
Philadelphia (PHL)
—
from$206economy
Seattle (SEA)
Fri, May 1
One-way
Philadelphia (PHL)
—
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Other Options for This Route
Other Destinations
Seattle (SEA) to Los Angeles (LAX) in May from $28
From $28
Seattle (SEA) to San Francisco (SFO) in May from $49
From $49
Seattle (SEA) to Phoenix (PHX) in May from $69
From $69
Seattle (SEA) to Pittsburgh (PIT) in May from $82
From $82
Seattle (SEA) to Las Vegas (LAS) in May from $87
From $87
Seattle (SEA) to Boise (BOI) in May from $89
From $89
Flights from Other Cities
Fort Lauderdale (Any) to Philadelphia (PHL) in May from $28
From $28
Chicago (ORD) to Philadelphia (PHL) in May from $32
From $32
Fort Lauderdale (FLL) to Philadelphia (PHL) in May from $38
From $38
Chicago (ORD) to Philadelphia (PHL) in May from $88
From $88
Tampa (TPA) to Philadelphia (PHL) in May from $101
From $101
Atlanta (Any) to Philadelphia (PHL) in May from $105
From $105