$109 Cheap WestJet flights Nanaimo (YCD) to San Diego (SAN)

Scoring cheap one-way WestJet flights from YCD to SAN from $109 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $1,075 for your next adventure.**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.

Landing the best WestJet deals from YCD to SAN often comes down to booking at the right moment. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's a good idea to start checking out flights about one month before you want to travel.*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 departure from YCD to SAN with WestJet, filter your results by "Early Morning" and "Morning." Booking an early flight generally means you're less likely to experience 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.

Heading from YCD to SAN with WestJet means enjoying a variety of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That's in addition to the WestJet Rewards points you can earn with WestJet.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.