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£271 Cheap Flights from San Francisco (SFO) to Reykjavik (KEF)

View £271 flight on Mon, 29 Mar 2027Opens in a new window

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

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

Prices were available within the past 7 days and start at £271 for one-way flights and £536 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 26 May - Fri, 11 Jun
SFO
San Francisco
KEF
Reykjavik
£536 Return, found 10 hours ago
£536
Return
found 10 hours ago
Select Alaska Airlines flight, departing Wed, 26 May from San Francisco to Reykjavik, returning Fri, 11 Jun, priced at £536 found 10 hours ago
Scandinavian Airlines
Thu, 4 Feb - Thu, 11 Feb
SFO
San Francisco
KEF
Reykjavik
£560 Return, found 1 hour ago
£560
Return
found 1 hour ago
Select Scandinavian Airlines flight, departing Thu, 4 Feb from San Francisco to Reykjavik, returning Thu, 11 Feb, priced at £560 found 1 hour ago
Scandinavian Airlines
Wed, 7 Apr - Wed, 14 Apr
SFO
San Francisco
KEF
Reykjavik
£562 Return, found 10 hours ago
£562
Return
found 10 hours ago
Select Scandinavian Airlines flight, departing Wed, 7 Apr from San Francisco to Reykjavik, returning Wed, 14 Apr, priced at £562 found 10 hours ago
Scandinavian Airlines
Tue, 20 Oct - Tue, 27 Oct
SFO
San Francisco
KEF
Reykjavik
£563 Return, found 10 hours ago
£563
Return
found 10 hours ago
Select Scandinavian Airlines flight, departing Tue, 20 Oct from San Francisco to Reykjavik, returning Tue, 27 Oct, priced at £563 found 10 hours ago
Scandinavian Airlines
Thu, 25 Feb - Thu, 4 Mar
SFO
San Francisco
KEF
Reykjavik
£569 Return, found 2 days ago
£569
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Thu, 25 Feb from San Francisco to Reykjavik, returning Thu, 4 Mar, priced at £569 found 2 days ago
Virgin Atlantic
Wed, 31 Mar - Wed, 7 Apr
SFO
San Francisco
KEF
Reykjavik
£583 Return, found 7 hours ago
£583
Return
found 7 hours ago
Select Virgin Atlantic flight, departing Wed, 31 Mar from San Francisco to Reykjavik, returning Wed, 7 Apr, priced at £583 found 7 hours ago
KLM
Wed, 31 Mar - Wed, 7 Apr
SFO
San Francisco
KEF
Reykjavik
£583 Return, found 7 hours ago
£583
Return
found 7 hours ago
Select KLM flight, departing Wed, 31 Mar from San Francisco to Reykjavik, returning Wed, 7 Apr, priced at £583 found 7 hours ago
Finnair
Tue, 2 Mar - Tue, 9 Mar
SFO
San Francisco
KEF
Reykjavik
£587 Return, found 7 hours ago
£587
Return
found 7 hours ago
Select Finnair flight, departing Tue, 2 Mar from San Francisco to Reykjavik, returning Tue, 9 Mar, priced at £587 found 7 hours ago
Lufthansa
Tue, 30 Mar - Tue, 6 Apr
SFO
San Francisco
KEF
Reykjavik
£600 Return, found 7 hours ago
£600
Return
found 7 hours ago
Select Lufthansa flight, departing Tue, 30 Mar from San Francisco to Reykjavik, returning Tue, 6 Apr, priced at £600 found 7 hours ago
United
Thu, 10 Dec - Thu, 17 Dec
SFO
San Francisco
KEF
Reykjavik
£608 Return, found 10 hours ago
£608
Return
found 10 hours ago
Select United flight, departing Thu, 10 Dec from San Francisco to Reykjavik, returning Thu, 17 Dec, priced at £608 found 10 hours ago

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

February is typically the cheapest month to fly

From £515 - £667 per traveller.

Frequently asked questions

How much does a flight from San Francisco, CA (SFO-San Francisco Intl.) to Reykjavik (KEF-Keflavik Intl.) cost?
You can find one-way and return flights from SFO to KEF with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SFO to KEF ticket fares go up or down.
What is the cheapest month to fly from San Francisco, CA (SFO-San Francisco Intl.) to Reykjavik (KEF-Keflavik Intl.)?
The cheapest months to fly from SFO to KEF are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from San Francisco, CA (SFO) to Reykjavik (KEF)?
Enter SFO to KEF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Francisco, CA (SFO) to Reykjavik (KEF)?
To find a cheap flight from San Francisco, CA (SFO) to Reykjavik (KEF), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from San Francisco, CA (SFO-San Francisco Intl.) to Reykjavik (KEF-Keflavik Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from San Francisco, CA (SFO) to Reykjavik (KEF)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from San Francisco, CA (SFO) to Reykjavik (KEF). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from San Francisco, CA (SFO-San Francisco Intl.) to Reykjavik (KEF-Keflavik Intl.)?
Flights from SFO to KEF with one stop typically take around 17 hours 20 minutes, covering approximately 6,748 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Francisco, CA (SFO) to Reykjavik (KEF)?
Select the "Business class" and "First class" filters when looking for San Francisco, CA (SFO) to Reykjavik (KEF) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a San Francisco, CA (SFO) to Reykjavik (KEF) flight with Expedia?
It's easy to earn miles on a San Francisco, CA (SFO) to Reykjavik (KEF) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from San Francisco, CA (SFO) to Reykjavik (KEF) at the last minute?
Typically, booking a last minute flight from San Francisco, CA (SFO) to Reykjavik (KEF) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Francisco, CA (SFO) to Reykjavik (KEF) flight and hotel package?
Securing a San Francisco, CA (SFO) to Reykjavik (KEF) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco, CA (SFO) to Reykjavik (KEF)?
If you booked your San Francisco, CA (SFO) to Reykjavik (KEF) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Keflavik Intl.
Airlines serving
Air France, Alaska Airlines, American Airlines, British Airways, Delta, Finnair, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, United, Virgin Atlantic, WestJet
Return price
£536
Distance
6707 km

Book with confidence

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

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

The easiest way to view the best deals on flights from San Francisco to Reykjavik 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 San Francisco Intl. to Keflavik Intl. start at just £536 and range up to £608.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Francisco Intl. to Keflavik 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.  

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

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*Available to Expedia members.