Fifty kilometres, one road, about 45 minutes. Getting from Keflavík to Reykjavík is the easiest part of any Iceland trip. The real decision is what you want the rest of the week to look like. Here are the four options with honest prices and the case for each.
KEF sits out on the Reykjanes peninsula, roughly 50 km from downtown Reykjavík. One road does the whole job: Route 41, the Reykjanesbraut. Dual carriageway for most of it, 90 km/h limit, no tolls, nothing to navigate. Budget 45 to 50 minutes door to door, a little more into the centre at rush hour.
Two places sit on that line and change how people plan the day. The Blue Lagoon is about 20 minutes from the airport, between KEF and the city, which makes it a stop on the way in or out rather than a separate trip. Sky Lagoon is in Reykjavík itself, on the coast at Kársnes. Do not treat the two as interchangeable when you book a transfer.
Winter is the only variable that matters. The Reykjanesbraut is exposed and collects crosswind, drifting snow and black ice. It is well plowed and rarely closed, but a 45-minute drive can become 70. Check road.is before you set off in the dark.
Every major rental company works KEF. Some keep a desk in the arrivals hall, others run a free shuttle to a depot two to five minutes away. They open for scheduled flights, which in practice means around the clock. A 01:20 arrival still gets a car.
Prices swing hard with the season. A small 2WD hatchback runs roughly EUR 35-60 a day in winter and shoulder season, EUR 70-110 a day in July and August. A mid-size 4x4 sits between EUR 90 and EUR 180 a day depending on the month. Book two to three months out for summer, because the cheap cars go first and late prices are punishing. Compare suppliers on the Keflavík car rental comparison before you commit to a walk-up desk.
Fuel is around EUR 1.90-2.10 per litre, so the airport run costs about EUR 8 in petrol. Parking in central Reykjavík is charged weekdays roughly 09:00-18:00, about EUR 3-5 an hour in the inner zones, free on Sundays. Plenty of hotels charge for a space on top.
Two coach operators run the airport line, and both meet arriving flights rather than working to a fixed timetable. Flybus goes to the BSÍ terminal just south of the centre. Airport Direct runs to its own base near the harbour. Journey time is about 45 minutes on both.
Expect EUR 25-32 one way, or EUR 45-55 return. The hotel drop-off add-on costs another EUR 6-10 and moves you onto a minibus for the last leg, which adds 20 to 30 minutes.
Skip that add-on if you are staying in 101 and travelling light. The walk from BSÍ into the centre is 10-15 minutes. With two large suitcases and a toddler, pay it and do not think twice.
Luggage is included, normally two checked bags plus a carry-on, and the coaches wait for delayed flights. Pre-booking saves a little and gets you straight out of the door; you can also buy at the machine on arrival.
A metered taxi from KEF to central Reykjavík lands around EUR 130-190, more at night and more for a large vehicle. That is the price for the same 50 km the coach covers for under EUR 30.
The meters are honest and the drivers are licensed. It is not a rip-off, it reflects Icelandic labour costs. Ride-hailing is not the safety valve it is elsewhere, so do not land expecting an app to undercut the rank. A taxi makes sense if you have missed the last coach, or your group is splitting the fare four ways at an awkward hour. Otherwise it is the worst value on this page.
A pre-booked private car costs roughly EUR 120-200 for up to four people, and EUR 180-300 for a minibus seating six to eight. Fixed price agreed in advance, driver waiting in arrivals, no meter running while you find your bags.
Per head it beats the coach from about five people up. It is also the honest answer for families with small children: coach operators do not fit child seats, and Icelandic law requires them. A transfer company will install them if you say so when you book. Same for oversized gear such as skis or camera cases.
The Ring Road case is arithmetic. Route 1 is 1,322 km and fully paved end to end. Seven days is the shortest honest version of it, and the same trip bought as bus tours costs several times a rental. Read the 7-day Ring Road itinerary first and you will also see whether you need a 4x4, which in summer you usually do not.
One hybrid gets suggested a lot: coach in, rent from a city depot on day three. It saves two nights of parking, but city depots keep shorter hours and carry less stock. The KEF pickup usually still wins.
Insurance tiers, gravel protection and what to photograph before you drive off the lot are covered in the Iceland car rental guide.
About 45 to 50 minutes for the 50 km, by car or by coach. A hotel drop-off on the bus adds 20 to 30 minutes. In winter, snow and wind on the Reykjanesbraut can add another 20.
Roughly EUR 130-190 one way, higher at night and for larger vehicles. The Flybus or Airport Direct coach does the same trip for EUR 25-32 per person, so a taxi only makes sense for a group at an odd hour or after the last coach.
Yes. Rental companies require a credit card in the main driver's name for the security deposit, typically a hold of EUR 1,000-3,000 depending on the insurance you choose. Debit and prepaid cards are usually refused.
Yes. The airport coaches are timed to scheduled arrivals rather than a fixed timetable, so a 01:00 or 05:30 landing is still covered, and they wait for delayed flights.
It works well. The Blue Lagoon is about 20 minutes from KEF and sits between the airport and Reykjavík, with luggage storage on site. Book a timed slot in advance. Sky Lagoon is a different place, in Reykjavík itself, and not on the airport road.