$247 Cheap Flights from Denver (DEN) to Reykjavik (KEF)

View $247 flight on Tue, Aug 12, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Reykjavik–Keflavik Intl. Airport (KEF)

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Find available prices by choosing your travel dates.

Cheap Flights from Denver to Reykjavik (DEN-KEF)

Prices were available within the past 7 days and start at $247 for one-way flights and $539 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Mon, Aug 4 - Wed, Aug 13
DEN
Denver
KEF
Reykjavik
$539 Roundtrip, found 5 days ago
$539
Roundtrip
found 5 days ago
Select WestJet flight, departing Mon, Aug 4 from Denver to Reykjavik, returning Wed, Aug 13, priced at $539 found 5 days ago
WestJet
Tue, Jul 29 - Wed, Aug 6
DEN
Denver
KEF
Reykjavik
$539 Roundtrip, found 3 hours ago
$539
Roundtrip
found 3 hours ago
Select WestJet flight, departing Tue, Jul 29 from Denver to Reykjavik, returning Wed, Aug 6, priced at $539 found 3 hours ago
Icelandair
Sun, Oct 12 - Fri, Oct 17
DEN
Denver
KEF
Reykjavik
$539 Roundtrip, found 5 days ago
$539
Roundtrip
found 5 days ago
Select Icelandair flight, departing Sun, Oct 12 from Denver to Reykjavik, returning Fri, Oct 17, priced at $539 found 5 days ago
Icelandair
Fri, Aug 29 - Sun, Sep 7
DEN
Denver
KEF
Reykjavik
$552 Roundtrip, found 20 hours ago
$552
Roundtrip
found 20 hours ago
Select Icelandair flight, departing Fri, Aug 29 from Denver to Reykjavik, returning Sun, Sep 7, priced at $552 found 20 hours ago
Icelandair
Sat, Aug 2 - Wed, Aug 13
DEN
Denver
KEF
Reykjavik
$552 Roundtrip, just found
$552
Roundtrip
just found
Select Icelandair flight, departing Sat, Aug 2 from Denver to Reykjavik, returning Wed, Aug 13, priced at $552 just found
WestJet
Thu, Jul 31 - Thu, Aug 14
DEN
Denver
KEF
Reykjavik
$564 Roundtrip, found 1 day ago
$564
Roundtrip
found 1 day ago
Select WestJet flight, departing Thu, Jul 31 from Denver to Reykjavik, returning Thu, Aug 14, priced at $564 found 1 day ago
United
Thu, Aug 14 - Sat, Aug 23
DEN
Denver
KEF
Reykjavik
$625 Roundtrip, found 4 days ago
$625
Roundtrip
found 4 days ago
Select United flight, departing Thu, Aug 14 from Denver to Reykjavik, returning Sat, Aug 23, priced at $625 found 4 days ago
Air Canada
Thu, Aug 14 - Sat, Aug 23
DEN
Denver
KEF
Reykjavik
$625 Roundtrip, found 4 days ago
$625
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Aug 14 from Denver to Reykjavik, returning Sat, Aug 23, priced at $625 found 4 days ago
Delta
Thu, Aug 14 - Sat, Aug 23
DEN
Denver
KEF
Reykjavik
$639 Roundtrip, found 4 days ago
$639
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Aug 14 from Denver to Reykjavik, returning Sat, Aug 23, priced at $639 found 4 days ago
Virgin Atlantic
Mon, May 12 - Tue, Aug 19
DEN
Denver
KEF
Reykjavik
$640 Roundtrip, found 12 hours ago
$640
Roundtrip
found 12 hours ago
Select Virgin Atlantic flight, departing Mon, May 12 from Denver to Reykjavik, returning Tue, Aug 19, priced at $640 found 12 hours ago

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF) cost?
Grab cheap return tickets starting from $552 from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Icelandair flight leaving DEN on May 13 2025 and touching down at KEF. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from DEN to KEF?
The cheapest flights from DEN to KEF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF)?
If you’re departing from Denver Intl. Airport (DEN), you can take a nonstop flight to Keflavik Intl. Airport (KEF) with Icelandair.
What is the cheapest airline that flies from DEN to KEF?
Currently, the cheapest airline operating one-way flights from DEN to KEF is Icelandair. You can take off on this route from $442. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on July 17 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF)?
On average, you can take your pick of 4 direct flights taking off from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF) weekly. If you can’t see one that fits your travel plans, think about booking a flight with a layover. Filter your search on Expedia to include one or more stops and opt for the next best alternative.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF)?
Flights between DEN and KEF tend to be busiest at 3 PM. If you’re after a more relaxed atmosphere and possibly cheaper tickets, choose a departure outside the usual busy windows.
What day of the week has the most flights from DEN to KEF?
Travel on a Sunday if you’re searching for the largest selection of flights from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF).
What is the earliest flight from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF)?
Hop on the earliest flight at around 3:40PM UTC-7, leaving from Denver Intl. Airport (DEN). You’ll be traveling for about 7h 25m, touching down at Keflavik Intl. Airport (KEF) at approximately 6:05AM UTC+0.
How long does it take to fly from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF)?
The average flight time from DEN to KEF is 7 hours and 25 minutes, covering a distance of 3,600 mi.
What airline has the least delays from DEN to KEF?
With 89% of flights usually arriving on time, Icelandair has the best on-time performance for nonstop flights from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF). To check your flight status and get notifications if anything changes, use the Expedia App.
What is the best time to fly from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF)?
Select a flight from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Reykjavik from Denver Intl. Airport (DEN)?
Keflavik Intl. Airport (KEF) is the only airport in Reykjavik with direct flights from Denver Intl. Airport (DEN). Consider your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Keflavik Intl. Airport (KEF) last-minute?
Last-minute fares from DEN to KEF are generally more expensive. To secure the best prices, start searching for flights well ahead of time. That said, if you’re flexible with your travel dates, you may score a cheap ticket right before you leave.
Is it cheaper to book a DEN to KEF flight and hotel package?
Opting for a DEN to KEF flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our extensive range of hotels and then add car rentals, activities and flights 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 Intl. Airport (DEN) to Keflavik Intl. Airport (KEF)?
If you booked your DEN to KEF flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.
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