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STK to KEF: distance & flight time
Sterling (Sterling Municipal Airport) → Keflavik (Keflavik International Airport)
3,474 mi
5,591 km · 3,019 nm
7h 17m
estimated nonstop flight time
+6h
time difference · heading northeast
See live STK→KEF fares Phone-only fares on this route — call free
Flight time details
3,474 miles nonstop takes roughly 7h 17m 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
- STK — Sterling Municipal Airport · Sterling, 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 STK
- AKO · Colorado Plains Regional Airport30 mi away
- SNY · Sidney Municipal-Lloyd W Carr Field37 mi away
- DEN · Denver International Airport91 mi away
- GXY · Greeley–Weld County Airport73 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 STK from KEF?
The flight distance from Sterling (STK) to Keflavik (KEF) is 3,474 miles (5,591 km, 3,019 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STK to KEF?
A nonstop flight takes about 7h 17m 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 Sterling and Keflavik?
Keflavik is 6 hours ahead of Sterling.
What is the cheapest way to fly from STK to KEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STK–KEF that never appear on search engines, with no booking fees.