$783 Cheap British Airways flights Singapore (SIN) to Reykjavik (KEF)

You can find affordable return British Airways flights from $1,037 from SIN to KEF by filtering your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $783 for a one-way journey.**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 grab cheap flights from SIN to KEF with British Airways, begin your search about one month before your intended 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 helpful tip? Booking on Sunday can lead to 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.

Sort your results by "Morning" and "Early Morning" to see the earliest departures from SIN to KEF. Heading off early 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.

British Airways makes flying from SIN to KEF more enjoyable with an excellent in-flight experience and a 4-star airline rating. You even have the chance to collect points with British Airways Executive Club. Be sure to join Expedia's 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.