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APA to KEF: distance & flight time
Denver (Centennial Airport) → Keflavik (Keflavik International Airport)
3,581 mi
5,762 km · 3,111 nm
7h 29m
estimated nonstop flight time
+6h
time difference · heading northeast
See live APA→KEF fares Phone-only fares on this route — call free
Flight time details
3,581 miles nonstop takes roughly 7h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- APA — Centennial Airport · Denver, United States
- KEF — Keflavik International Airport · Keflavik, Iceland
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 mi away
Near KEF
- RKV · Reykjavik Airport22 mi away
- GUU · Grundarfjörður Airport72 mi away
- VEY · Vestmannaeyjar Airport81 mi away
- PFJ · Patreksfjörður Airport116 mi away
Frequently asked questions
How far is APA from KEF?
The flight distance from Denver (APA) to Keflavik (KEF) is 3,581 miles (5,762 km, 3,111 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from APA to KEF?
A nonstop flight takes about 7h 29m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Denver and Keflavik?
Keflavik is 6 hours ahead of Denver.
What is the cheapest way to fly from APA to KEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on APA–KEF that never appear on search engines, with no booking fees.