A waterfront cityscape with historic buildings and a prominent church spire.

£276 Cheap Flights from Denver (DEN) to Reykjavik (KEF)

View £276 flight on Thu, 13 Aug 2026Opens in a new window

Popular airlines from Denver International Airport (DEN) to Keflavik International Airport (KEF)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at £276 for one-way flights and £244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Sat, 22 Aug - Fri, 28 Aug
DEN
Denver
KEF
Reykjavik
£244 Return, found 4 days ago
£244
Return
found 4 days ago
Select Virgin Atlantic flight, departing Sat, 22 Aug from Denver to Reykjavik, returning Fri, 28 Aug, priced at £244 found 4 days ago
Virgin Atlantic
Sat, 22 Aug - Fri, 28 Aug
DEN
Denver
KEF
Reykjavik
£265 Return, found 4 days ago
£265
Return
found 4 days ago
Select Virgin Atlantic flight, departing Sat, 22 Aug from Denver to Reykjavik, returning Fri, 28 Aug, priced at £265 found 4 days ago
Air France
Sat, 22 Aug - Fri, 28 Aug
DEN
Denver
KEF
Reykjavik
£286 Return, found 4 days ago
£286
Return
found 4 days ago
Select Air France flight, departing Sat, 22 Aug from Denver to Reykjavik, returning Fri, 28 Aug, priced at £286 found 4 days ago
Air Canada
Thu, 24 Sept - Fri, 2 Oct
DEN
Denver
KEF
Reykjavik
£316 Return, found 1 day ago
£316
Return
found 1 day ago
Select Air Canada flight, departing Thu, 24 Sept from Denver to Reykjavik, returning Fri, 2 Oct, priced at £316 found 1 day ago
Air Canada
Thu, 24 Sept - Thu, 1 Oct
DEN
Denver
KEF
Reykjavik
£320 Return, found 1 day ago
£320
Return
found 1 day ago
Select Air Canada flight, departing Thu, 24 Sept from Denver to Reykjavik, returning Thu, 1 Oct, priced at £320 found 1 day ago
Air Canada
Thu, 1 Oct - Thu, 8 Oct
DEN
Denver
KEF
Reykjavik
£320 Return, found 3 hours ago
£320
Return
found 3 hours ago
Select Air Canada flight, departing Thu, 1 Oct from Denver to Reykjavik, returning Thu, 8 Oct, priced at £320 found 3 hours ago
Air Canada
Thu, 24 Sept - Fri, 2 Oct
DEN
Denver
KEF
Reykjavik
£322 Return, found 1 day ago
£322
Return
found 1 day ago
Select Air Canada flight, departing Thu, 24 Sept from Denver to Reykjavik, returning Fri, 2 Oct, priced at £322 found 1 day ago
Air Canada
Tue, 6 Oct - Tue, 13 Oct
DEN
Denver
KEF
Reykjavik
£323 Return, found 2 days ago
£323
Return
found 2 days ago
Select Air Canada flight, departing Tue, 6 Oct from Denver to Reykjavik, returning Tue, 13 Oct, priced at £323 found 2 days ago
Icelandair
Wed, 28 Oct - Wed, 4 Nov
DEN
Denver
KEF
Reykjavik
£333 Return, found 3 hours ago
£333
Return
found 3 hours ago
Select Icelandair flight, departing Wed, 28 Oct from Denver to Reykjavik, returning Wed, 4 Nov, priced at £333 found 3 hours ago
Alaska Airlines
Wed, 2 Sept - Wed, 9 Sept
DEN
Denver
KEF
Reykjavik
£395 Return, found 1 day ago
£395
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 2 Sept from Denver to Reykjavik, returning Wed, 9 Sept, priced at £395 found 1 day ago

Alternative airports near Reykjavik

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Keflavik Intl. KEF. Cheapest option available. Average driving time to city centre is 45 minutes. Flights from £619
KEF
Keflavik Intl.
Cheapest
Average driving time to city centre45 min
Flights from £619

Find the cheapest month to fly from Denver (DEN) to Reykjavik (KEF)

September is typically the cheapest month to fly

From £249 - £626 per traveller.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.) cost?
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.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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).
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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.
What day of the week has the most flights from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.) flight with Expedia?
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.
What airports do you fly into for Reykjavik (KEF) from Denver, CO (DEN)?
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.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.) at the last minute?
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.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.) flight and hotel package?
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.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Reykjavik (KEF-Keflavik Intl.)?
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.

Travel information

Origin airport
Denver Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, British Airways, Brussels Airlines, Finnair, Icelandair, KLM, Lufthansa, Virgin Atlantic, WestJet
Return price
£243
Distance
5693 km
Average flight time
13 hours 17 mins

Book with confidence

Compare flights from Denver to Reykjavik easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Denver to Reykjavik. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Keflavik Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Denver Intl. to Keflavik Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Denver Intl. (DEN) to Keflavik Intl. (KEF)

The easiest way to view the best deals on flights from Denver to Reykjavik today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Denver Intl. to Keflavik Intl. start at just £244 and range up to £395.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Denver and Reykjavik
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Denver to Reykjavik flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Denver Intl. to Keflavik Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Denver to Reykjavik easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.