Cheap WestJet flights Detroit (DTW) to Penticton (YYF)

Scoring cheap one-way WestJet flights from DTW to YYF on Expedia is a breeze --- just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $488 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.

To find cheap flights from DTW to YYF with WestJet, begin your search about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another useful tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**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.

Filter your results by "Early Morning" and "Morning" to browse the earliest departures from DTW to YYF. Heading off early means flight cancellations are less likely.**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.

WestJet makes flying from DTW to YYF enjoyable with a rewarding loyalty program and an excellent in-flight experience. You even have the chance to collect points with WestJet Rewards. Remember to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.