← Back to Deals
Book This Deal
PHL
Philadelphia
SEA
Seattle
Philadelphia → Seattle
Frontier Airlines · Round Trip · Nonstop
Save $102 (29% off)
Compared to the typical price of $356
$254$356
per person · round trip
Flight Details
Cabin
Economy
Departs
May 9, 2026
Returns
May 22, 2026
Planning your trip to Seattle?
Complete your trip with these deals.
Hotels in Seattle
Find the best hotel deals for your stay.
Coming soon →Rental Cars in Seattle
Get around with affordable rental car deals.
Coming soon →Adventures in Seattle
Explore tours, activities, and experiences.
Coming soon →