$355 Cheap WestJet flights Kelowna (YLW) to Washington (IAD)

Set the "Price (lowest to highest)" filter on Expedia to look for cheap WestJet return flights from $588 from YLW to IAD. Affordable one-way fares from $355 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for WestJet flights from YLW to IAD about one month before you want to go. The most affordable time to book an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or ticket type, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Travelers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

To find the earliest departures from YLW to IAD with WestJet, sort your results by "Early Morning" and "Morning." Choosing an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

With a rewarding loyalty program and an excellent in-flight experience, WestJet is a favorite for many travelers heading from YLW to IAD. Plus, if you're a WestJet Rewards and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.