$438 Cheap Air Canada flights San Juan (SJU) to Reykjavik (KEF)

Set the "Price (lowest to highest)" filter on Expedia to search for cheap Air Canada return flights from $979 from SJU to KEF. Affordable one-way tickets from $438 are available as well.**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.

Start your search for Air Canada flights from SJU to KEF about one month before you want to go. The cheapest time to reserve an international flight is usually 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 fare class, 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 departure from SJU to KEF with Air Canada, filter your results by "Early Morning" and "Morning." Booking an early flight usually means 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.

Air Canada makes flying from SJU to KEF more enjoyable with top-tier customer service and a 4-star airline rating. You could even start collecting points with Air Canada Aeroplan. Be sure to sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.