Reykjavík to Denver (KEF–DEN) — Airlines, Schedules & Connections

KEF Airport Page →
3,559 mi airlines 7/wk
On-time Some delays Frequent delays
Flight Schedule 3 flights Verified 36m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
FI671
FI Icelandair
B38M
4:55 PM
GMT
7:05 PM
MDT
8h 10m
M T W T F S S
Prices
FI670
FI Icelandair
75W
4:40 PM
MDT
6:00 AM+1
GMT
7h 20m
M T W T F S S
Prices
BT6273
BT airBaltic
7M8
4:40 PM
MDT
6:05 AM+1
GMT
7h 25m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Reykjavík to Denver
1 carrier, 7 flights/week nonstop.
1 Airlines 7 Flights/wk 3,559 mi 8h 10m nonstop -6h behind 23 1-stop hubs

KEF–DEN is served by 1 airline with nonstop service. Icelandair leads the route. The flight covers 3,559 miles in approximately 8h 10m. Beyond nonstop, 23 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop KEF–DEN service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
FI Icelandair 7 B38M 8h10
Aircraft on this route
B38MFI
Alliance coverage
Unaffiliated: FI (7 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, KEF to DEN direction.
Mon
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
7
Outbound / wk
9
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for KEF to DEN.
1-STOP
One-Stop Connections
23
Hubs
~11h
Fastest
~32h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,514
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
KEF → DEN
100%
Generally reliable. Most flights run on time.
Arriving
100%
Return
DEN → KEF
59%
Frequent delays expected. Consider flexible booking.
Departing
59%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. DEN delays →

Travel Essentials

Practical planning for this route.
Time Difference
-6h
Denver is 6 hours behind Reykjavík.
KEF: GMT · DEN: MDT

When it's 6:00 PM in Reykjavík, it's 12:00 PM in Denver.
Distance & Flight Time
3,559 mi / 5,727 km
Nonstop flight time is approximately 8h 10m.
Getting from DEN

RTD A Line runs to Denver Union Station (37 min, $10.50) with connections to light rail and bus routes. Taxis have meters; expect $55–65 to downtown.DEN's tent-roof Jeppesen Terminal is a single building; all three concourses connect via the underground automated train. Rental cars are on level 5. For ski resorts, shuttle services depart from Ground Transportation.

Denver Climate

Semi-arid with 300+ days of sunshine. Summers are dry and warm (27–34°C) with afternoon thunderstorms that produce dramatic but brief delays. Winters bring cold temperatures (−8 to 5°C) and heavy blizzards that can shut down ground operations.

Spring snowstorms can be heavier than midwinter ones. Altitude (5,430 ft) means low humidity year-round; stay hydrated.

KEF–DEN Quick Facts

Key statistics for the Reykjavík to Denver route.
Route details
Distance3,559 mi / 5,727 km
Flight time8h 10m
Time difference-6 hours
Airlines (nonstop)1
Weekly flights7 out / 9 return
1-stop connections23 hubs
Origin: KEF
IATA / ICAOKEF / BIKF
TimezoneAtlantic/Reykjavik
Passengers/yr8.3M
Elevation171 ft / 52 m
Destination: DEN
IATA / ICAODEN / KDEN
TimezoneAmerica/Denver
Passengers/yr82.4M
Elevation5,431 ft / 1,655 m

Frequently Asked Questions

Common questions about KEF to DEN flights.
Nonstop flights from Keflavik International Airport to Denver International Airport take approximately 8h 10m. The route covers 3,559 miles.
1 airline operates nonstop service: Icelandair.
There are approximately 7 nonstop flights per week from KEF to DEN. The return direction has about 9 weekly flights.
Yes, 1-stop connections are available through ATW, PIT, ATL, SJC, FLL, RDU, JFK, NRT, BWI, ORD, SEA, EWR, BOS, PDX, MSP, IAD, MCO, FRA, YYZ, LHR, MIA, YVR and MUC. These options provide additional schedule flexibility.
Denver is 6 hours behind Reykjavík.
Yes, return flights from DEN to KEF are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from KEF to DEN

Keflavik International Airport (KEF) and Denver International Airport (DEN) are connected by nonstop service from Icelandair. With 7 weekly departures, this is a regularly served route.

KEF to DEN Flight Duration and Schedule

Nonstop flight time from KEF to DEN ranges from 8 hours 10 minutes. The route covers a distance of 3,559 miles (5,727 km). There are approximately 7 weekly flights outbound and 9 return, totaling 16 flights per week in both directions.

Connecting Options and Alternatives

23 one-stop connections are available, with the fastest taking approximately 11 hours via ATW. Two-stop connections are also available via intermediate hubs.