$700 Cheap Icelandair flights Dallas (DFW) to Reykjavik (KEF)

Finding cheap one-way Icelandair flights from DFW to KEF from $700 on Expedia is a breeze — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $900 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 Icelandair flights from DFW to KEF about one month before you want to leave. The cheapest time to book an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your itinerary or ticket type, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Travelers who book on a Sunday can save 17% on average 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.

Sort your results by "Morning" and "Early Morning" to see the earliest departures from DFW to KEF. Leaving 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.

Flying from DFW to KEF with Icelandair means enjoying a host of benefits, such as a rewarding loyalty program and top-tier customer service. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That's on top of the Icelandair Saga Club points you can earn with Icelandair.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.