Cheap Flights from Reykjavik Keflavik to Denver International

Compare Reykjavik Keflavik to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

Book the best Denver International fare with no extra fees

Flight deals from Reykjavik Keflavik to Denver International

Looking for a cheap last-minute deal or the best return flight from Reykjavik Keflavik Airport to Denver International Airport? If you want to travel next month, return fares start from R 11,110. Find the lowest prices on one-way and return tickets right here.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Reykjavik Keflavik to Denver International flights are currently cheapest in August.

Direct flights from Reykjavik Keflavik to Denver International

Reykjavik Keflavik to Denver International: Alternative routes

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

Reykjavik to Denver: Flight information

The things to know before you go.
Cheapest flight foundR 4,853
Cheapest month to flyAugust
Average flight time8 hrs, 5 mins
Most popular airlineIcelandair
Average flights per week10

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

The best price we found for a return flight from Reykjavik Keflavik to Denver International is R 9,748. 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.
8 hours and 5 minutes is the average flight time from Reykjavik Keflavik to Denver International.
Icelandair and airBaltic fly direct from Reykjavik Keflavik to Denver International.
As of July 2026, there are 10 flights per week flying from Reykjavik Keflavik to Denver International.
The cheapest month to fly from Reykjavik Keflavik to Denver International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Reykjavik Keflavik Airport to Denver International Airport on Friday, 28 August 2026.
Yes – the average flight time is 8 hours and 5 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 Denver International 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 Denver is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, WestJet and Icelandair offer the cheapest flight tickets to Denver International.

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

  • Around 8 hours 5 minutes is how long you can expect to be travelling on a direct flight from Reykjavik Keflavik Airport to Denver International Airport.

  • The timezone in Denver is UTC-7, which is seven hours behind Reykjavik.

  • Each week, there are eight Reykjavik Keflavik Airport to Denver International Airport flights. If you prefer to take off early, select the 10:35 Icelandair flight. If you're eager to make the most of your time before you fly, the last departure is at 16:55 with Icelandair.

  • Arrive at the airport on time so you don't miss your KEF to DEN flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • During popular months such as August, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during a high season in general.

  • Flugfélag Íslands offers direct flights from Reykjavik Keflavik Airport to Denver International Airport. Book with this popular carrier, then get ready to discover the sights in Denver — and maybe even more of the United States if time allows.

  • Flugfélag Íslands is the airline most travellers choose for this route.

  • Flugfélag Íslands leads the way as the most punctual carrier for KEF to DEN flights, with 88.14% of its services landing as scheduled.

  • Consider adding a stopover when booking your ticket from Reykjavik Keflavik Airport to Denver International Airport. Just deselect 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Check out these options between KEF and DEN:

    • Detroit Wayne County Airport

    • Minneapolis St Paul Airport

    • Pittsburgh International Airport

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

  • The cheapest price we've seen for a one-way Reykjavik Keflavik Airport to Denver International Airport flight is R 4,853. A return fare is currently R 9,748. Depending on the availability and when you book, these fares may change.

  • Get cheap tickets from KEF to DEN by booking one month ahead. Based on our research, that's the sweet spot for landing a bargain.

  • Schedule your trip for June. That's the cheapest month for flights from Reykjavik Keflavik Airport to Denver International Airport. If you're flexible with your dates, try out the 'Whole month' tool to find the lowest price across every month.

  • Save time looking for cheap flights from KEF to DEN by setting up a Price Alert. We'll send you an email or notification through the app when a special offer becomes available.

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

Handy information about Reykjavik Keflavik Airport (KEF)

  • When it comes to the on-time performance of Reykjavik Keflavik Airport, 78% of flights arrive within the scheduled timeframe.

  • Central Reykjavik to Reykjavik Keflavik Airport is approximately 48 kilometres. Depending on traffic, it'll take you about 45 minutes to get there if you're ride-sharing, catching a taxi or driving.

  • The trip when using public transport usually takes 55 minutes.

  • Get your break off to a stress-free start by staying near KEF. Whether you've booked an early flight from Reykjavik Keflavik Airport to Denver International Airport or just don't like being rushed, these stays are perfect:

Arriving at Denver International Airport (DEN)

  • Once your Reykjavik Keflavik Airport to Denver International Airport flight has touched down, unwind and relax at a nearby hotel. Baymont by Wyndham Denver International Airport is a comfy option that's not too far from DEN.

  • Go where the road takes you with a Denver International Airport rental car. Pick up a set of wheels from Routes Car Rentals, Dollar or Budget and discover more of Denver and beyond.

  • Reserving your ride from Denver International Airport about one week in advance boosts your odds of scoring a great price.

When to fly to Denver International Airport (DEN)

  • It's time to work out your dates for your flight from Reykjavik Keflavik Airport to Denver International Airport. July is the most popular month to visit Denver. If you'd like a more low-key vibe, go in January.

  • The warmest month in Denver is July, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Lock in your flights from Reykjavik Keflavik Airport to Denver International Airport in this month if you enjoy this type of weather.

  • Search for cheap tickets from KEF to DEN in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -9ºC (16ºF) and 7ºC (45ºF) on average.

Explore more of the United States

  • Colorado Springs is just one of the many places in the United States waiting to be explored once you've seen Denver. Around 105 kilometres away to the south, popular attractions include Garden of the Gods, Pikes Peak Region Attractions and Red Rock Canyon.

  • Around 13 kilometres east of Denver, Aurora is another favourite stop in the United States. Experience major highlights starting with Plains Conservation Centre, DeLaney Homestead Historic District and Aircraft viewing.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.