Skyscanner

340 € Cheap Flights from Denver International to Reykjavik Keflavik

Compare Denver International to Reykjavik Keflavik flight deals

Find the cheapest month or even day of the year to fly to Reykjavik Keflavik

Book the best Reykjavik Keflavik fare with no extra fees

Flight deals from Denver International to Reykjavik Keflavik

Looking for a cheap last-minute deal or the best return flight from Denver International to Reykjavik Keflavik? Find the lowest prices on one-way and return tickets right here.
Reykjavik.340 € per passenger.Departing Thu, 11 Dec, returning Mon, 15 Dec.Return flight with Icelandair.Outbound direct flight with Icelandair departs from Denver International on Thu, 11 Dec, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departs from Reykjavik Keflavik on Mon, 15 Dec, arriving in Denver International.Price includes taxes and charges.From 340 €, select.
Reykjavik.340 € per passenger.Departing Thu, 13 Nov, returning Thu, 20 Nov.Return flight with Icelandair.Outbound direct flight with Icelandair departs from Denver International on Thu, 13 Nov, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departs from Reykjavik Keflavik on Thu, 20 Nov, arriving in Denver International.Price includes taxes and charges.From 340 €, select.
Reykjavik.340 € per passenger.Departing Thu, 23 Oct, returning Thu, 30 Oct.Return flight with Icelandair.Outbound direct flight with Icelandair departs from Denver International on Thu, 23 Oct, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departs from Reykjavik Keflavik on Thu, 30 Oct, arriving in Denver International.Price includes taxes and charges.From 340 €, select.
Reykjavik.340 € per passenger.Departing Mon, 12 Jan, returning Sat, 24 Jan.Return flight with Icelandair.Outbound direct flight with Icelandair departs from Denver International on Mon, 12 Jan, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departs from Reykjavik Keflavik on Sat, 24 Jan, arriving in Denver International.Price includes taxes and charges.From 340 €, select.
Reykjavik.342 € per passenger.Departing Sun, 1 Feb, returning Sun, 8 Feb.Return flight with Icelandair.Outbound direct flight with Icelandair departs from Denver International on Sun, 1 Feb, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departs from Reykjavik Keflavik on Sun, 8 Feb, arriving in Denver International.Price includes taxes and charges.From 342 €, select.
Reykjavik.342 € per passenger.Departing Tue, 28 Oct, returning Tue, 4 Nov.Return flight with Icelandair.Outbound direct flight with Icelandair departs from Denver International on Tue, 28 Oct, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departs from Reykjavik Keflavik on Tue, 4 Nov, arriving in Denver International.Price includes taxes and charges.From 342 €, select.
Reykjavik.342 € per passenger.Departing Mon, 26 Jan, returning Tue, 3 Feb.Return flight with Icelandair.Outbound direct flight with Icelandair departs from Denver International on Mon, 26 Jan, arriving in Reykjavik Keflavik.Inbound direct flight with Icelandair departs from Reykjavik Keflavik on Tue, 3 Feb, arriving in Denver International.Price includes taxes and charges.From 342 €, select.
Reykjavik.394 € per passenger.Departing Mon, 29 Sep, returning Mon, 6 Oct.Return flight with Frontier Airlines and Fly Play.Outbound indirect flight with Frontier Airlines, departs from Denver International on Mon, 29 Sep, arriving in Reykjavik Keflavik.Inbound indirect flight with Fly Play, departs from Reykjavik Keflavik on Mon, 6 Oct, arriving in Denver International.Price includes taxes and charges.From 394 €, select.

Find the cheapest month to fly from Denver International to Reykjavik Keflavik

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Reykjavik Keflavik flights are currently cheapest in October.
Sep
from 456 €
Oct
from 340 €
Nov
from 340 €
Dec
from 340 €
Jan
from 340 €
Feb
from 342 €
Mar
from 514 €
Apr
from 514 €
May
from 524 €
Jun
from 567 €
Jul
from 576 €
Aug
from 531 €

Direct flights from Denver International to Reykjavik Keflavik

Denver International to Reykjavik Keflavik: Alternative routes

Compare routes from Denver International to Reykjavik below. You may find an airport to fly into that's cheaper, faster, or easier than Reykjavik Keflavik.

Denver to Reykjavik: Flight information

The things to know before you go.
Cheapest flight found340 €
Cheapest month to flyOctober
Average flight time7 hrs, 23 mins
Most popular airlineIcelandair
Average flights per week11

Finding cheap flights from Denver International to Reykjavik Keflavik: Frequently asked questions

The best price we found for a return flight from Denver International to Reykjavik Keflavik is 340 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
7 hours and 23 minutes is the average flight time from Denver International to Reykjavik Keflavik.
Icelandair and airBaltic fly direct from Denver International to Reykjavik Keflavik.
As of September 2025, there are 11 flights per week flying from Denver International to Reykjavik Keflavik.
The cheapest month to fly from Denver International to Reykjavik Keflavik is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Reykjavik Keflavik Airport on Thursday, 23 October 2025.
Yes – the average flight time is 7 hours and 23 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Reykjavik Keflavik but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Reykjavik is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Icelandair offers the cheapest flight tickets to Reykjavik Keflavik.

Flying from Denver International Airport (DEN) to Keflavik International Airport (KEF): what you need to know

  • Around 7 hours 20 minutes is how long you'll be travelling on a direct flight from Denver International Airport to Keflavik International Airport.

  • Reykjavik is six hours ahead of Denver and follows the UTC+0 timezone.

  • Every week, there are seven Denver International Airport to Keflavik International Airport flights. If you'd like to jet off as soon as possible, jump on the 15:40 Icelandair flight. If you're eager to make the most of your day before flying, the last departure is at 20:10 with Icelandair.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to board your DEN to KEF flight.

  • During popular months such as July, it's a good idea to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a peak period in general.

  • Icelandair has direct flights from Denver International Airport to Keflavik International Airport. Book with this popular airline, then get ready to see the sights in Reykjavik — and maybe even more of Iceland if your schedule allows.

  • Most travellers choose to fly with Icelandair on this route.

  • With an impressive 85.11% of services arriving on schedule, Icelandair has the best on-time performance for DEN to KEF flights.

  • Think about adding a stopover when booking your ticket from Denver International Airport to Keflavik International Airport. Simply uncheck 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Here are some options between DEN and KEF:

    • Minneapolis-St. Paul International Airport

    • O'Hare International Airport

    • Logan International Airport

How to find the cheapest flights from Denver International Airport (DEN) to Keflavik International Airport (KEF)

  • The lowest price we've seen for a one-way Denver International Airport to Keflavik International Airport flight is 224 €. A round-trip ticket is currently 340 €. Depending on the availability when you book, these fares could change.

  • To pick up cheap tickets from DEN to KEF, reserve your journey 11 months ahead of your departure date.

  • The cheapest month for flights from Denver International Airport to Keflavik International Airport is October. Use the 'Whole month' tool to find the lowest prices if you have flexible travel dates.

  • There's no need to check every day to find out if fares have gone down when you set up a Price Alert. We'll update you as soon as there's a new deal on cheap flights from DEN to KEF.

  • Choose your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Denver International Airport to Keflavik International Airport.

Handy information about Denver International Airport (DEN)

  • You'll find DEN at 8500 Pena Boulevard.

  • Denver International Airport scores top marks for on-time performance. 80.23% of flights that take off from DEN reach their destination without delay.

  • To get to Denver International Airport from central Denver, it takes about 35 minutes if you're going by car. This depends on traffic, however. It's approximately 40 kilometres from the airport to the city centre.

  • The trip when using public transport takes about 1 hour 30 minutes.

  • Get your flight from Denver International Airport to Keflavik International Airport off to an easy start. Just a quick drive from DEN, spend the night in Baymont by Wyndham Denver International Airport and you'll be well-rested for the trip ahead.

Arriving at Keflavik International Airport (KEF)

Getting from Keflavik International Airport (KEF) to central Reykjavik

  • From Keflavik International Airport, Reykjavik is approximately 48 kilometres away. It takes around 50 minutes to drive to the centre.

  • It'll take around 1 hour 15 minutes when travelling by public transport.

When to fly to Keflavik International Airport (KEF)

  • The quietest month for a flight from Denver International Airport to Keflavik International Airport is January, while July is the most popular. Choose the ideal time to go to Reykjavik based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Reykjavik is July, with the temperature ranging between 8ºC (46ºF) and 15ºC (59ºF). Lock in your flights from Denver International Airport to Keflavik International Airport in this month if you enjoy this type of weather.

  • December has average temperatures of between -6ºC (21ºF) and 4ºC (39ºF). Look for cheap tickets from DEN to KEF around that time if you want to travel in cooler conditions.

Explore more of Iceland

  • Kópavogur is just one of the many places in Iceland waiting to be explored once you've seen the sights of Reykjavik. Around 5 kilometres away to the south, its best attractions include Yndisgarðurinn, Fífu parkið and Elliðavatns-stífla.

  • Around 10 kilometres south of Reykjavik, Hafnarfjörður is another essential stop in Iceland. Experience the best of this destination with a visit to Höfðaskógur forest, Dog relief area in Hafnarfjordur and Víðistaðatún.

Plan the rest of your trip from Denver to Reykjavik

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.