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International route

Cheap flights from Denver to Reykjavik

Denver International Airport (DEN) to Keflavík International Airport (KEF). 3,559 miles, 7h nonstop.

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DEN to KEF at a glance

Computed from airline schedules and the fares we track for this route. Refreshed several times a day.

Distance
3,559 milesgreat-circle
Typical flight time
7hnonstop, gate to gate
Nonstop airlines
FI1 airlineIcelandair
Nonstop flights per day
1all airlines combined
Cheapest month
January 2027over the next six months
Best day to fly
Tuesday20% less than Sunday
Time difference
6h aheadReykjavik vs Denver

Denver to Reykjavik

Round trips from $321

Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 5.

Cheapest month: January 2027

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Denver to Reykjavik fares by month

Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.

  1. September 2026from Wed, Sep 30$417
  2. October 2026from Tue, Oct 13$350
  3. November 2026from Tue, Nov 17$356
  4. December 2026from Wed, Dec 2$366
  5. January 2027from Tue, Jan 5$321
  6. February 2027from Wed, Feb 3$322

Airlines flying Denver to Reykjavik

1 airline flies nonstop with 1 departures a day combined, plus 2 more with one stop.

Connecting options

Hubs where one airline can carry you on both legs, most choices first.

Tips for this route

  • Only Icelandair flies this route nonstop, which keeps nonstop fares firm. A one-stop itinerary through MAN or DUB is usually cheaper if you can spare the extra three to five hours.
  • January 2027 is the cheapest month to fly over the next six months, with round trips from $321; September 2026 is the most expensive at $417 and up, a difference of $96 per traveler.
  • Departing on a Tuesday averages 20% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
  • Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays.
  • Reykjavik is 6 hours ahead of Denver. Expect to lose 6 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Flying the other way? Reykjavik to DenverFares, airlines and tips for KEF to DEN.

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Denver to Reykjavik: common questions

How long is the flight from Denver to Reykjavik?

A nonstop flight from Denver (DEN) to Reykjavik (KEF) takes about 7h gate to gate, covering 3,559 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.

Which airlines fly nonstop from DEN to KEF?

Icelandair operates nonstop flights from Denver (DEN) to Reykjavik (KEF), with 1 nonstop departure a day between them. One-stop options connect through MAN, DUB and SNN.

What is the cheapest month to fly from Denver to Reykjavik?

Over the next six months, January 2027 has the lowest round-trip fares from Denver (DEN) to Reykjavik (KEF), starting at $321 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.

How far in advance should I book Denver to Reykjavik flights?

Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.

What is the time difference between Denver and Reykjavik?

Reykjavik is 6 hours ahead of Denver. DEN is on America/Denver time and KEF on Atlantic/Reykjavik time. Departure and arrival times in search results are always shown in local time at each airport.

Related routes

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