$172 Cheap Frontier Airlines flights Washington (IAD) to Seattle (SEA)

$172 Cheap Frontier Airlines flights Washington (IAD) to Seattle (SEA)

Prices were available within the past 7 days and start at $172 for one-way flights and $334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Flights from Washington (IAD) to Seattle (SEA)
Origin airport
Washington Dulles Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United
Popular airline
Delta
Distance
3679 km
Average flight time
2 hours 48 mins