£281 Cheap Flights from Denver (DEN) to Reykjavik (KEF)

You can find one-way and return flights from DEN to KEF with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when DEN to KEF ticket fares go up or down.

The cheapest months to fly from DEN to KEF are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Only one airline offers direct flights from Denver Intl. (DEN) to Keflavik Intl. (KEF). Icelandair operates 12 direct flights from Denver Intl. (DEN) to Keflavik Intl. (KEF) every week.

Icelandair is one of the cheapest airlines offering nonstop return flights from Denver Intl. (DEN) to Keflavik Intl. (KEF), with tickets starting from around £331 for flights that can be booked for departure within the next year. Aer Lingus offers one of the cheapest connecting return flights from Denver Intl. (DEN) to Keflavik Intl. (KEF) with a layover in Dublin (DUB), starting from around £1082. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.) will differ from traveler to traveler. If you like to fly early, Icelandair offers early morning flights. If price is the most important factor, Icelandair typically offers the lowest fares. United offers the most daily flights from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

You'll find approximately 2 nonstop flights per day from Denver International Airport (DEN) to Keflavik International Airport (KEF). For even more choices, look at flights that include layovers, as there are around 115 connecting flights per day. Some common connection points include O'Hare International Airport (ORD), Hartsfield-Jackson Atlanta International Airport (ATL), and Minneapolis - St. Paul International Airport (MSP).

The earliest flight from Denver International Airport (DEN) to Keflavik International Airport (KEF) typically departs around 12:35 AM local time. This flight is operated by Delta. This is a seasonal service, active in April. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll find the most flights from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.) on a Wednesday, with around 72 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Delta, and Alaska Airlines. Wednesday offers notably more flight options compared to other days of the week, making it a great day to consider for your journey.

The most popular departure times for flights from Denver Intl. (DEN) to Keflavik Intl. (KEF) are in the afternoon, from 3pm to 6pm. Many major carriers, including Icelandair, United and Delta, offer flights during this window. Many travellers prefer this time as it allows for a full day of activities before heading to the airport, and you'll arrive in Reykjavik ready to start your adventure.

A non-stop flight from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.) typically takes around 7 hours 18 minutes. This route covers a distance of approximately 5,728 kilometers. If you opt for a flight with one stop, your journey will usually take longer, averaging around 15 hours 18 minutes. Flights with two or more stops generally take about 18 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.

Yes, you can fly business class or first class between DEN and KEF. Airlines that offer business class service on this route include:

* Lufthansa
* Edelweiss Air
* British Airways
* Alaska Airlines
* Delta
* United
* Icelandair

First class cabins are available on Alaska Airlines.

It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Reykjavik from Denver Intl. (DEN), you can fly directly into Keflavik Intl. (KEF) which offers international flights and connections. Some flights may connect through major hubs like O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), or Heathrow (LHR) before reaching Reykjavik. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.