CA $339 Cheap Flights from Reykjavik (KEF) to San Francisco (SFO)

View CA $339 flight on Tue, Oct. 14, 2025Opens in a new window

Popular airlines from Keflavik International Airport (KEF) to San Francisco International Airport (SFO)

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Cheap flights from Reykjavik (KEF) to San Francisco (SFO)

Prices were available within the past 7 days and start at CA $339 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Reykjavik (KEF) to San Francisco (SFO)

January is typically the cheapest month to fly

From CA $688 - CA $2,337 per traveller.

Graph displaying average flight prices per month

Flight from Reykjavik to San Francisco (KEF - SFO) route information
Origin airport
Keflavik Intl.
Destination airport
San Francisco Intl.
Distance
6707 km

Suðurnesjabær to San Francisco Flights

The easy way to book your flights from Reykjavik to San Francisco 

With Expedia, it’s simple to find and book flights to San Francisco from Reykjavik whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to San Francisco Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Reykjavik to San Francisco today, tomorrow, or this week.  

 

Save dollars with cheap flights from Keflavik Intl., KEF to San Francisco Intl., SFO 

Sort your search results by price to find great deals on your flight from Reykjavik to San Francisco—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Francisco from Reykjavik currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to San Francisco  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to San Francisco from Reykjavik 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to San Francisco with Expedia today.

Frequently asked questions

How much is a flight from Keflavik Intl. Airport (KEF) to San Francisco Airport?
Round-trip journeys between Keflavik Intl. Airport (KEF) and SFO start from . This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book today so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from KEF to San Francisco Airport?
The majority of flights can be cancelled online, but every airline has its own terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from KEF to San Francisco Airport that have flexible change policies?
Flights from KEF to SFO offering flexible change policies are available with many carriers. Simply use our "No change fees" filter while searching. You'll only need to cover the fare difference, with no added fees to worry about.
How many hours is the flight from Keflavik Intl. Airport (KEF) to San Francisco Airport?
To comfortably while away the 14 hours and 21 minutes flight time between Keflavik Intl. Airport (KEF) and SFO, it's smart to be prepared. A laptop filled with your favourite TV shows is a wonderful start.
How far is the flight from Reykjavík–Keflavík Airport to SFO?
The distance is around 6,800 kilometres. Eye mask? Check. Warm clothes? Check. We recommend you pack all the essentials for this long-haul Iceland to San Francisco flight.
Which airlines fly direct from Reykjavík–Keflavík Airport to San Francisco Airport?
Offering 0 monthly flights, Icelandair (FI) is a top choice when flying straight from Keflavik Intl. Airport (KEF) to San Francisco Intl. Airport (SFO).
Are KEF to San Francisco Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to get an amazing last-minute deal from KEF to San Francisco Airport, but it's also possible to miss out entirely! As many airlines publish prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares air carrier prices and updates flight deals often, so you can be sure you're always seeing the latest offers.

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