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Cheap flights from Reykjavik to Denver

Keflavík International Airport (KEF) to Denver International Airport (DEN). 3,559 miles, 7h 35m nonstop.

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KEF to DEN 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
7h 35mnonstop, 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
Tuesday19% less than Friday
Time difference
6h behindDenver vs Reykjavik

Reykjavik to Denver

Round trips from $321

Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 19.

Cheapest month: January 2027

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Reykjavik to Denver 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 Tue, Sep 29$405
  2. October 2026from Tue, Oct 6$359
  3. November 2026from Sat, Nov 14$374
  4. December 2026from Tue, Dec 8$350
  5. January 2027from Tue, Jan 19$321
  6. February 2027from Tue, Feb 2$326

Airlines flying Reykjavik to Denver

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 $405 and up, a difference of $84 per traveler.
  • Departing on a Tuesday averages 19% less than a Friday 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.
  • Denver is 6 hours behind Reykjavik. A morning departure lands in Denver with most of the day left; an evening flight arrives close to local dinner time.

Destination guide

Denver: Mile-high base camp for the Rockies

Denver International is the third-busiest airport in the country and a hub for United, Southwest and Frontier, which keeps fares low from every direction. The city itself is a lively base for the Rockies, with ski resorts 90 minutes away.

Best time to visit: June–September for hiking and Red Rocks concerts; December–March for skiing. Spring can swing from snow to 70°F in a week; September is dependably dry and golden.

Flying the other way? Denver to ReykjavikFares, airlines and tips for DEN to KEF.

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Reykjavik to Denver: common questions

How long is the flight from Reykjavik to Denver?

A nonstop flight from Reykjavik (KEF) to Denver (DEN) takes about 7h 35m 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 KEF to DEN?

Icelandair operates nonstop flights from Reykjavik (KEF) to Denver (DEN), 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 Reykjavik to Denver?

Over the next six months, January 2027 has the lowest round-trip fares from Reykjavik (KEF) to Denver (DEN), 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 Reykjavik to Denver 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 Reykjavik and Denver?

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

Related routes

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