$497 Cheap Delta flights Chicago (ORD) to Reykjavik (KEF)

Finding cheap one-way Delta Air Lines flights from ORD to KEF from $497 on Expedia is simple — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $455 for your next getaway.**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.

Look for round-trip or one-way flights to Reykjavik in January or April. You could find cheaper fares with Delta Air Lines during these off-peak times.

Start your search for Delta Air Lines flights from ORD to KEF about one month before you want to go. The most affordable time to book an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your fare class or itinerary, 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 out if there’s a direct trip from ORD to KEF with Delta Air Lines or any other airlines, check the “Nonstop” filter when browsing for tickets.

Browse Delta Air Lines’s earliest flights from ORD to KEF by selecting the “Morning” and “Early Morning” filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**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.

Keflavik Intl. Airport (KEF) is the primary Reykjavik hub for Delta Air Lines flights from O’Hare Intl. Airport (ORD).

With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a favorite for many passengers flying from ORD to KEF. Plus, if you’re a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be spent on future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee is typically charged if you change or cancel your booking more than 24 hours after it’s been confirmed. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter while searching for flights. For more information on modifying or canceling your reservation, head to “Trips,” select your flight and click on “Manage Booking.”