Renting a car at Keflavik Airport is straightforward if you book ahead and know which rental desk to find

Keflavik International Airport (KEF), about 50 kilometers southwest of Reykjavik, has rental counters from five to seven companies in the arrivals hall. The major ones are Hertz, Avis, Budget, Europcar, and Alamo. Smaller local companies like Geysir and SADcars also operate there. You'll find the desks when ready after you clear customs and baggage claim, grouped together in a dedicated rental area.

Most travelers book online before arrival, pick up their reserved car, and drive away within 15 to 30 minutes. Walk-up rentals are possible but cost more and may have limited vehicle availability, especially during summer months (June through August) when Iceland sees peak tourism.

The process requires a valid driver's license from your home country, an international driving permit (recommended but not always required), a credit card in the driver's name, and proof of insurance or the option to purchase it from the rental company. Iceland's roads and weather demand specific preparation, and rental companies enforce strict rules about vehicle condition and damage.

Key Takeaways

  • Book your rental car online before you arrive at Keflavik; walk-up rates are higher and availability drops during peak season.
  • Bring your valid driver's license, passport, and a credit card in your own name — rental companies will not accept debit cards as the primary payment method.
  • Understand what insurance is included in your rental and what gaps you need to cover, because Iceland's gravel roads and weather create frequent damage claims.
  • Check the vehicle's condition against the rental agreement before you leave the lot, photograph any existing damage, and document the fuel level and mileage.
  • Return the car with a full tank of fuel and a clean interior, or you will be charged cleaning and fuel surcharges on top of your rental cost.

What documents you need to present at the counter

Your driver's license from your home country is the primary document. Iceland recognizes licenses from the US, Canada, UK, Australia, and most European countries without an international driving permit, though an IDP (issued by your home country's automobile association) is a useful backup and some smaller rental companies prefer it.

Your passport is required to verify your identity. The rental company will check that your name matches your driver's license and the credit card you're using to pay.

A credit card in your own name is mandatory. Debit cards, prepaid cards, and cards in someone else's name will not work. The company will place a hold on the card (typically 500 to 1,500 EUR or equivalent) as a security deposit, separate from your rental charge. This hold is released when you return the car undamaged.

Proof of insurance is optional but important. If you decline the rental company's insurance, you must show proof that your personal auto insurance or credit card covers rental cars in Iceland. Many US and European policies do not cover Iceland rentals, so check your policy before arrival.

Insurance options and what they actually cover

Rental companies offer three main insurance products: Collision Damage Waiver (CDW), Theft Protection, and Super Damage Waiver (SDW). CDW covers damage to the rental car from collisions, but usually has a deductible of 500 to 1,500 EUR. Theft Protection covers theft or vandalism. SDW (sometimes called "full coverage") reduces or eliminates the deductible, but costs significantly more per day.

What these policies do not cover is crucial: damage to the windshield, undercarriage, or tires from gravel roads (extremely common in Iceland), damage from driving on roads marked as unsuitable for rental cars, and damage from driving off-road. Many travelers are shocked to learn that standard rental insurance excludes gravel-road damage, which is why some companies offer a separate Gravel Protection add-on.

If you have personal auto insurance at home, contact your insurer before booking to confirm whether it covers rental cars in Iceland and what the deductible is. Credit card rental car coverage varies widely — American Express and some premium cards cover Iceland, but many do not. Your home country's auto insurance is unlikely to cover Iceland rentals unless you specifically request it.

The safest approach for most travelers is to purchase the rental company's insurance at pickup, especially if you're driving in winter or on unpaved roads. The daily cost is typically 15 to 40 EUR depending on the coverage level, but it eliminates the risk of a surprise bill for thousands of euros when you return the car.

Booking online versus renting at the counter

Online booking locks in a lower rate and guarantees vehicle availability. Prices for the same car can differ by 30 to 50 percent between advance booking and walk-up rental. During summer, walk-up customers often find that the car class they want is sold out and must accept a more expensive vehicle or wait for a return.

When you book online, you receive a confirmation email with a reservation number, pickup instructions, and the exact rate you'll pay. Bring this confirmation to the counter. The rental company will not charge you again if you've already paid online, though they will still place a security hold on your credit card.

Walk-up rentals require you to negotiate rate and insurance at the counter while tired from travel, with no time to compare prices. The counter staff will also try to upsell insurance and add-ons more aggressively than an online booking form does.

If you book through a third-party site (Kayak, Rentalcars.com, Costco Travel), read the fine print about cancellation and modification policies. Some third-party bookings cannot be changed or cancelled without a penalty, even if the rental company's own policy would allow it.

Vehicle pickup and the damage inspection

After you complete the paperwork at the counter, a staff member will walk you to your car in the lot or garage. Before you sign the rental agreement, inspect the vehicle thoroughly. Check for dents, scratches, cracks in the windshield, and damage to the tires and undercarriage. The rental company will provide a damage form (sometimes called a condition report) with diagrams of the car. Mark every existing scratch, dent, or chip on this form.

Take photos or video of the car's exterior and interior with your phone, including the odometer reading and fuel gauge. This protects you if the rental company later claims you caused damage that was already there. Many travelers skip this step and regret it when they're charged for pre-existing damage at return.

Verify the fuel level matches what's written on the agreement (usually "full"). Check that the spare tire, jack, and warning triangles are in the car. Test the lights, wipers, and heating. If anything is missing or broken, tell the counter staff before you leave the lot — they can swap the car or note the issue on your agreement.

Ask the staff member which roads are off-limits for your rental. Some companies restrict travel on certain highland routes or F-roads (mountain roads marked with an "F" number). Driving on a restricted road voids your insurance, so get this in writing or take a photo of the map they show you.

Fuel, mileage, and return procedures

You are responsible for returning the car with a full tank of fuel. If you return it empty or partially full, the rental company will charge you for fuel at a rate significantly higher than the pump price — often 1.5 to 2 times the local cost. Fill up at a petrol station within a few kilometers of the airport before you return the car.

Mileage is usually unlimited on rental cars in Iceland, so you won't be charged per kilometer. However, read your agreement to confirm this, because some budget companies or special promotions include a mileage limit.

Return the car clean. Dirt, sand, and gravel inside the car will result in a cleaning charge of 50 to 150 EUR. Vacuum the interior, wipe down surfaces, and empty the trunk. If you've driven on gravel roads (which most Iceland routes involve), rinse the exterior at a car wash near the airport to remove dust and grit.

Plan to return the car at least 30 minutes before your flight. The rental lot is within walking distance of the terminal, but the return process (inspection, paperwork, and security hold release) can take 15 to 20 minutes. If you return the car late, you may be charged for an extra day.

Driving conditions and vehicle type considerations

Iceland's roads range from well-maintained highways (Route 1, the Ring Road) to unpaved gravel tracks in the highlands and remote areas. A standard two-wheel-drive sedan is sufficient for the Ring Road and most populated areas, even in winter. However, if you plan to drive on F-roads (highland routes), visit the interior, or travel in winter, you need a four-wheel-drive vehicle.

Winter driving (November through March) requires studded tires or winter tires, which rental companies provide automatically during those months. Summer rentals (June through August) come with all-season tires. Gravel-road damage to tires and undercarriage is common and usually not covered by standard insurance, so the Gravel Protection add-on is worth the cost if you're driving unpaved routes.

Rental companies charge significantly more for four-wheel-drive vehicles, especially during peak season. If you're unsure whether you need 4WD, contact the rental company with your planned itinerary — they can advise whether your route requires it. Driving a 2WD car on a road that requires 4WD voids your insurance and can result in you being stranded.

Frequently Asked Questions

Can I rent a car if I'm under 25?

Yes, but rental companies charge a young driver surcharge (typically 15 to 25 EUR per day) for drivers under 25. Some companies have a minimum age of 20; others require you to be 23 or older. Check the rental company's age policy when you book, because it varies by company and vehicle type.

What happens if I damage the car and have insurance?

The rental company will document the damage and send you a claim form or invoice. If you purchased their insurance, you submit the claim to them and pay only the deductible (or nothing if you bought SDW). If you're relying on personal insurance, you'll pay the rental company upfront and then file a claim with your own insurer for reimbursement.

Can I pick up the car before the airport opens or return it after hours?

Most rental companies have 24-hour operations at Keflavik because flights arrive at all hours. However, after-hours returns usually mean you drop the car in an unmanned lot and the company inspects it the next day. This delays the release of your security hold and increases the risk of disputes over damage. Confirm the after-hours process with your rental company before you book.

Do I need an international driving permit?

It's not required for drivers from the US, Canada, UK, or most European countries, but it's recommended as a backup. An IDP is inexpensive (usually 15 to 20 USD or equivalent) and issued by your home country's automobile association. It can help if you're stopped by police and your home license is unclear or damaged.

What if I need to extend my rental or return the car early?

Contact the rental company as soon as you know you need a change. Early returns may not result in a refund, depending on your booking terms. Extensions are usually possible but cost more per day than your original rate. Modifying a third-party booking (through Kayak or Rentalcars.com) may incur a change fee, so contact the rental company directly if possible.