Flights from Washington to Lake Oswego

Cheapest flights from Washington

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.

Frontier Airlines
Frontier Airlines
Spirit Airlines
Spirit Airlines
Frontier Airlines
Alaska Airlines
United
Delta
Frontier Airlines
Spirit Airlines
United
Spirit Airlines
Frontier Airlines
Spirit Airlines
JetBlue Airways
United
Hawaiian Airlines
Alaska Airlines
American Airlines
United