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HWD to KEF: distance & flight time
Hayward (Hayward Executive Airport) → Keflavik (Keflavik International Airport)
4,184 mi
6,733 km · 3,635 nm
8h 40m
estimated nonstop flight time
+7h
time difference · heading northeast
See live HWD→KEF fares Phone-only fares on this route — call free
Flight time details
4,184 miles nonstop takes roughly 8h 40m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- HWD — Hayward Executive Airport · Hayward, 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 HWD
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 HWD from KEF?
The flight distance from Hayward (HWD) to Keflavik (KEF) is 4,184 miles (6,733 km, 3,635 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HWD to KEF?
A nonstop flight takes about 8h 40m 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 Hayward and Keflavik?
Keflavik is 7 hours ahead of Hayward.
What is the cheapest way to fly from HWD to KEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HWD–KEF that never appear on search engines, with no booking fees.