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RFD to KEF: distance & flight time
Rockford (Chicago Rockford International Airport) → Keflavik (Keflavik International Airport)
2,960 mi
4,764 km · 2,572 nm
6h 16m
estimated nonstop flight time
+5h
time difference · heading northeast
See live RFD→KEF fares Phone-only fares on this route — call free
Flight time details
2,960 miles nonstop takes roughly 6h 16m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- RFD — Chicago Rockford International Airport · Rockford, 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 RFD
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 RFD from KEF?
The flight distance from Rockford (RFD) to Keflavik (KEF) is 2,960 miles (4,764 km, 2,572 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RFD to KEF?
A nonstop flight takes about 6h 16m 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 Rockford and Keflavik?
Keflavik is 5 hours ahead of Rockford.
What is the cheapest way to fly from RFD to KEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RFD–KEF that never appear on search engines, with no booking fees.