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KEF to SEP: distance & flight time
Keflavik (Keflavik International Airport) → Stephenville (Stephenville Clark Regional Airport)
3,810 mi
6,131 km · 3,311 nm
7h 56m
estimated nonstop flight time
-5h
time difference · heading west
See live KEF→SEP fares Phone-only fares on this route — call free
Flight time details
3,810 miles nonstop takes roughly 7h 56m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- KEF — Keflavik International Airport · Keflavik, Iceland
- SEP — Stephenville Clark Regional Airport · Stephenville, United States
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 KEF
- RKV · Reykjavik Airport22 mi away
- GUU · Grundarfjörður Airport72 mi away
- VEY · Vestmannaeyjar Airport81 mi away
- PFJ · Patreksfjörður Airport116 mi away
Near SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Frequently asked questions
How far is KEF from SEP?
The flight distance from Keflavik (KEF) to Stephenville (SEP) is 3,810 miles (6,131 km, 3,311 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KEF to SEP?
A nonstop flight takes about 7h 56m 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 Keflavik and Stephenville?
Stephenville is 5 hours behind Keflavik.
What is the cheapest way to fly from KEF to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KEF–SEP that never appear on search engines, with no booking fees.