£201 Cheap Flights from Reykjavik (KEF) to San Francisco (SFO)

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at £201 for one-way flights and £647 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Icelandair
Air Canada
Air Canada
Icelandair
Air Canada
Icelandair
Virgin Atlantic
Swiss International Air Lines
Air France

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

November is typically the cheapest month to fly

From £366 - £913 per traveller.

Graph displaying average flight prices per month

Flight from Reykjavik to San Francisco route information
Origin airport
Keflavik Intl.
Destination airport
San Francisco Intl.
Airlines serving
Air Canada, Air France, British Airways, Icelandair, KLM, Lufthansa, Swiss International Air Lines, Virgin Atlantic, WestJet
Return price
£647
Distance
6707 km

Compare flights from Reykjavik to San Francisco easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Reykjavik to San Francisco. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to San Francisco Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Keflavik Intl. to San Francisco Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Keflavik Intl. (KEF) to San Francisco Intl. (SFO)

The easiest way to view the best deals on flights from Reykjavik to San Francisco today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Keflavik Intl. to San Francisco Intl. start at just £647 and range up to £719.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Reykjavik and San Francisco
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Reykjavik to San Francisco flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Keflavik Intl. to San Francisco Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Keflavik Intl. Airport (KEF) to San Francisco Intl. Airport (SFO)?
Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from KEF to San Francisco Airport start from £647. Book today to score the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Reykjavík–Keflavík Airport to SFO?
We get that circumstances change unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Keflavik Intl. Airport (KEF) to San Francisco Intl. Airport (SFO) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for KEF to San Francisco Intl. Airport (SFO) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from KEF to San Francisco Airport?
With around 6,800 kilometres separating Keflavik Intl. Airport (KEF) and San Francisco Intl. Airport (SFO), your flight will be a long one. Pack wisely to make your time on board comfortable. Little things like a spare pair of socks and a quality neck pillow should be in your hand luggage.
Which airlines fly direct from Keflavik Intl. Airport (KEF) to SFO?
There are no direct flights, so you'll need to make at least one stop between Keflavik Intl. Airport (KEF) and San Francisco Intl. Airport (SFO). Make the most of the layover time to stretch your legs and grab a coffee.
Are KEF to SFO flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Reykjavík–Keflavík Airport to San Francisco Intl. Airport (SFO) last minute could save you some cash. However, it might cost you a whole lot more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

Explore a world of travel with Expedia

San Francisco Airports

San Jose

*Available to Expedia members.