Flights from Seattle to New Castle

Photo by Eric Carter

Cheapest flights from Seattle

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Delta
United
Delta
American Airlines
American Airlines
Frontier Airlines
Frontier Airlines
American Airlines
Frontier Airlines
United
Frontier Airlines
Delta
Frontier Airlines
United
Frontier Airlines
American Airlines
American Airlines
American Airlines
Alaska Airlines