$412 Cheap Lufthansa flights Washington (IAD) to Reykjavik (KEF)

Set the “Price (lowest to highest)” filter on Expedia to find cheap Lufthansa round-trip flights from $530 from IAD to KEF. Affordable one-way fares from $412 are available too.**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 one-way or round-trip flights to Reykjavik in January or April. You could find a cheap fare with Lufthansa during these quieter months.

Landing the best Lufthansa deals from IAD to KEF often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is often the most expensive day to book.* It’s smart to kick off your flight search about one month before you plan to travel.*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.

Enter your dates, press search and check the “Nonstop” filter on Expedia to browse any direct flights from IAD to KEF with Lufthansa or other airlines.

Sort your results by “Morning” and “Early Morning” to find the earliest departures from IAD to KEF. Setting 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.

Lufthansa flights from Washington Dulles Intl. Airport (IAD) to Reykjavik land at Keflavik Intl. Airport (KEF). This is the main entry point to this city.

On a standard economy flight with Lufthansa from IAD to KEF, passengers can bring 1 checked-in bag up to 50 lb with dimensions not exceeding 62 inches in total. For hand luggage, you’re allowed 2 cabin bags weighing up to 17 lb and measuring no more than 21 inches x 15 inches x 9 inches. Weight and size restrictions may vary based on the cabin class you’re in and airfare type. To make sure you’re not hit with extra fees at the terminal, check your Lufthansa booking or visit the airline’s website before packing your bags.

With a rewarding loyalty program and an excellent in-flight experience, Lufthansa is a popular option for many travelers flying from IAD to KEF. Also, if you’re a Lufthansa Miles and More and One Key™ member booking through 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.

It’s usually possible to cancel or modify your flight, although additional charges may apply if you booked over 24 hours ago. Need to keep your options open? Use our “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you have to alter your plans. To update your booking, visit “Trips,” select your flight and click on “Manage Booking” for more information.