Denver to Reykjavík (DEN–KEF) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
DEN–KEF is served by 2 airlines with nonstop service. Icelandair and United Airlines lead the route. The flight covers 3,559 miles in approximately 7h 8m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| FI Icelandair Also: BT | 9 | 752 | 6h56-7h20 | – | BT | |
| UA United Airlines | 0 | – | – | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
DEN: MDT · KEF: GMT
When it's 6:00 PM in Denver, it's 12:00 AM (next day) in Reykjavík.
US passport holders enter Iceland visa-free for up to 90 days within any 180-day period across the entire Schengen area. No advance application is needed. Iceland is a Schengen member but not an EU member. Passport must be valid for at least 3 months beyond the planned departure from the Schengen area. At Keflavík International Airport (KEF), immigration stamps your passport. The process is quick and rarely takes more than a few minutes.
The 90-day Schengen clock runs across all 29 Schengen countries. Days spent in Europe's Schengen zone before or after Iceland count toward the same 90-day limit. KEF is located 50km southwest of Reykjavik. The Golden Circle (Thingvellir, Geysir, Gullfoss), the South Coast waterfalls, and the Blue Lagoon are all within day-trip range of Reykjavik. The Ring Road (Route 1) circles the island in 1,322km and takes a minimum of 7 days to drive properly.
Direct flights from New York JFK to Keflavík run about 5 hours 30 minutes on Icelandair and PLAY. Boston runs about 5 hours. Direct service also operates from Washington Dulles, Chicago, Denver, Seattle, Minneapolis, and several other US cities. Icelandair offers free stopovers of up to 7 days on transatlantic flights. Iceland uses the Icelandic króna (ISK), trading at roughly 137 ISK per $1. Card payments work everywhere, including remote gas stations and small-town cafes. Cash is rarely needed. Flybus runs from KEF to Reykjavik BSÍ terminal in 45 minutes for ISK 3,499 ($25.50). Restaurant meals in Reykjavik cost ISK 3,000 to ISK 6,000 ($22 to $44). Hot dogs from Bæjarins Beztu cost ISK 590 ($4.30) and are an Icelandic institution.
RTD A Line commuter rail runs from Denver Union Station to the airport (37 min, $10.50). Trains depart every 15 minutes during peak hours. The airport is 25 miles northeast of downtown; ride-shares cost $35–55 and take 30–45 minutes depending on I-70 traffic.Economy parking in lots 4–6 connects via free shuttle. Mountain shuttle services depart from Jeppesen Terminal's Ground Transportation level.
DEN–KEF Quick Facts
Frequently Asked Questions
Flights from DEN to KEF
Denver International Airport (DEN) and Keflavik International Airport (KEF) are connected by nonstop service from Icelandair and United Airlines. With 9 weekly departures, this is a regularly served route.
DEN to KEF Flight Duration and Schedule
Nonstop flight time from DEN to KEF is about 7 hours 8 minutes gate to gate. The route covers a distance of 3,559 miles (5,727 km). There are approximately 9 weekly flights outbound and 18 return, totaling 27 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Minneapolis–Saint Paul, Pittsburgh and Chicago O'Hare. Two-stop connections are also available via intermediate hubs.