$420 Cheap Delta flights Boston (BOS) to Reykjavik (KEF)

Apply the “Price (lowest to highest)” filter on Expedia to find cheap Delta Air Lines round-trip flights from $392 from BOS to KEF. Affordable one-way fares from $420 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.

January is one of the least expensive months to jet away to Reykjavik with Delta Air Lines. You could also find excellent prices on one-way and round-trip fares in April.

Landing the best Delta Air Lines deals from BOS to KEF 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. What’s more, you can pocket 17% on average by buying your fare on a Sunday rather than a Friday, which is usually the most expensive day to book.* It’s a good idea to start searching for flights about one month before your travel dates.*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.

Fill in your dates, press search and use the “Nonstop” filter on Expedia to find any direct flights from BOS to KEF with Delta Air Lines or other carriers.

Sort your results by “Morning” and “Early Morning” to browse the earliest flights from BOS to KEF. Taking off early means you’re 20% 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.

Delta Air Lines flights from Logan Intl. Airport (BOS) to Reykjavik arrive at Keflavik Intl. Airport (KEF). This is the main entry point to this city.

With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is the leading choice for many passengers heading from BOS to KEF. What’s more, if you’re a Delta SkyMiles 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.

Depending on your fare type, a fee typically applies if you cancel or change your booking more than 24 hours after it’s confirmed. To find plane tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when you search for flights. For more information on canceling or changing your reservation, head to “Trips,” select your flight and tick “Manage Booking.”