SFO - KEF

$362 Find Cheap Flights from San Francisco to Reykjavik - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Reykjavik departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$725
Typical prices: $834-$1,052
Alaska Airlines
Thu 8/27Thu 9/10
SFO - KEF • 1 stop
Cheapest one-way
$362
Typical prices: $486-$553
WestJet
Wed 9/9
SFO - KEF • 1 stop
Nonstop flights
Not available
There are currently no direct flights between San Francisco and Reykjavik. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $795 (round-trip)
Shortest trip • 11h 30m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 31% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 100% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Reykjavik!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Reykjavik that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Reykjavik

Thu, Aug 27 - Thu, Sep 10
Alaska Airlines Logo
1:54 pm - 9:00 amSFO  San Francisco-KEF Reykjavik Keflavik Intl
12h 06m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:40 am - 9:39 pmKEF  Reykjavik Keflavik Intl-SFO San Francisco
17h 59m1 stop Seattle/Tacoma Intl
$725Alaska Airlines
Thu, Sep 3 - Wed, Sep 9
Alaska Airlines Logo
6:00 am - 9:00 amSFO  San Francisco-KEF Reykjavik Keflavik Intl
20h 00m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:40 am - 6:00 pmKEF  Reykjavik Keflavik Intl-SFO San Francisco
14h 20m1 stop Seattle/Tacoma Intl
$734Alaska Airlines
Sun, Aug 23 - Tue, Sep 1
Multiple Airlines Logo
6:00 am - 7:40 amSFO  San Francisco-KEF Reykjavik Keflavik Intl
18h 40m1 stop Calgary
Multiple Airlines Logo
9:00 am - 6:00 pmKEF  Reykjavik Keflavik Intl-SFO San Francisco
40h 00m2 stops Calgary Vancouver Intl
$739Multiple Airlines
Sun, Nov 15 - Thu, Dec 3
United Airlines Logo
6:35 am - 10:00 amSFO  San Francisco-KEF Reykjavik Keflavik Intl
19h 25m1 stop Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 9:24 pmKEF  Reykjavik Keflavik Intl-SFO San Francisco
17h 24m1 stop Chicago O'Hare Intl
$752United Airlines
Wed, Nov 18 - Thu, Dec 3
United Airlines Logo
5:00 am - 10:00 amSFO  San Francisco-KEF Reykjavik Keflavik Intl
21h 00m1 stop Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 7:28 pmKEF  Reykjavik Keflavik Intl-SFO San Francisco
15h 28m1 stop Chicago O'Hare Intl
$752United Airlines
Wed, Oct 21 - Wed, Oct 28
Multiple Airlines Logo
6:00 am - 6:00 amSFO  San Francisco-KEF Reykjavik Keflavik Intl
17h 00m1 stop Denver Intl
Multiple Airlines Logo
4:55 pm - 12:15 amKEF  Reykjavik Keflavik Intl-SFO San Francisco
14h 20m1 stop Denver Intl
$752Multiple Airlines
Fri, Nov 13 - Fri, Nov 20
Scandinavian Airlines Logo
4:45 pm - 10:50 amSFO  San Francisco-KEF Reykjavik Keflavik Intl
34h 05m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
6:05 pm - 2:50 pmKEF  Reykjavik Keflavik Intl-SFO San Francisco
28h 45m1 stop Kastrup Copenhagen
$755Scandinavian Airlines
Mon, Feb 1 - Wed, Feb 10
Scandinavian Airlines Logo
4:45 pm - 5:20 pmSFO  San Francisco-KEF Reykjavik Keflavik Intl
16h 35m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
6:05 pm - 2:50 pmKEF  Reykjavik Keflavik Intl-SFO San Francisco
28h 45m1 stop Kastrup Copenhagen
$755Scandinavian Airlines
Fri, Nov 6 - Wed, Nov 11
Icelandair Logo
6:00 am - 6:05 amSFO  San Francisco-KEF Reykjavik Keflavik Intl
16h 05m1 stop Boston Logan Intl
Icelandair Logo
5:00 pm - 11:57 pmKEF  Reykjavik Keflavik Intl-SFO San Francisco
14h 57m1 stop Boston Logan Intl
$762Icelandair
Fri, Oct 16 - Fri, Oct 23
Icelandair Logo
11:45 am - 8:10 amSFO  San Francisco-KEF Reykjavik Keflavik Intl
13h 25m1 stop Boston Logan Intl
Icelandair Logo
5:10 pm - 10:30 amKEF  Reykjavik Keflavik Intl-SFO San Francisco
24h 20m1 stop Boston Logan Intl
$762Icelandair
Booking Insights

KAYAK's insights & trends for San Francisco to Reykjavik flights

Get data-powered insights and trends into flights from San Francisco to Reykjavik to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from San Francisco to Reykjavik Keflavik Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Francisco to Reykjavik Keflavik Intl Airport departing in September.

Flight prices are below average for this route right now.

Flights to Reykjavik Keflavik Intl Airport from San Francisco usually cost between $840 and $1,088 in September.
The lowest price found in the past 5 days was $734 on Alaska Airlines (Sep 3-Sep 9).

What is the cheapest month to fly from San Francisco to Reykjavik Keflavik Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Reykjavik Keflavik Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to Reykjavik Keflavik Intl Airport is December, where tickets cost $0 (return) on average. On the other hand, the most expensive months are April and June, where the average cost of round-trip tickets is $1,148 and $1,106 respectively.

How far in advance should I book a flight from San Francisco to Reykjavik Keflavik Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Reykjavik Keflavik Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to Reykjavik Keflavik Intl Airport, you should book around 3 weeks before departure, which saves you about 31% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Good to know

Low season

October

Cheapest flight

$362
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from San Francisco to Reykjavik

When to book flights from San Francisco to Reykjavik

Are your dates flexible? Find out the best times to travel from San Francisco to Reykjavik based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Francisco to Reykjavik flights

  • Which airline offers environmentally friendly options for flying from San Francisco to Reykjavík?

    By investing in new, fuel-efficient aircraft and putting numerous sustainability programs into place, SAS and Icelandair have been actively working to become more environmentally friendly for flights from San Francisco to Reykjavík.

  • How can I travel to my location from Keflavik International Airport (KEF)?

    From the airport, you can board the “Straetó” bus to travel to Reykjavík and other Icelandic cities. At the airport, taxis are also easily accessible. You can find them right outside the terminal building. This option provides easy access and direct transportation to your location. If having your own vehicle gives you more flexibility, you can rent one from one of the car rental firms located at the airport.

  • Can I upgrade a class for flights from San Francisco to Reykjavík?

    Yes – you can upgrade to a better class on United Airlines, Icelandair, Delta Air Lines, and SAS (Scandinavian Airlines). These airlines enable passengers to upgrade to a higher class, subject to availability, either at the time of booking or closer to the departure date. Additionally, upgrading your ticket to a higher class is possible by using miles or points.

  • Where do flights from San Francisco to Reykjavík's layovers often take place?

    The majority of San Francisco to Reykjavík flights make a stopover at one of the following locations: Copenhagen (CPH) for SAS Airlines, Minneapolis (MSP), New York (JFK) for Delta Air Lines, or Chicago (ORD) for United. If you choose to take a flight with Air Canada, you will make a stop in one of the following cities: Toronto (YYZ), Montreal (YUL), or Vancouver (YVR), and then connect to Reykjavík (KEF).

  • What is the cheapest flight from San Francisco to Reykjavik Keflavik Intl Airport?

    In the last 5 days, the lowest price for a flight from San Francisco to Reykjavik Keflavik Intl Airport was $362 for a one-way ticket and $725 for a round-trip.

  • Do I need a passport to fly between San Francisco and Reykjavik?

    Yes

  • Which aircraft models fly most regularly from San Francisco to Reykjavik?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from San Francisco to Reykjavik?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between San Francisco and Reykjavik, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from San Francisco to Reykjavik, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from San Francisco to Reykjavik are Alaska Airlines and Delta. With an average price for the route of $1,000 and an overall rating of 7.9, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $904 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from San Francisco to Reykjavik?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Reykjavik.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Reykjavik?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reykjavik from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Reykjavik?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reykjavik with an airline and back to San Francisco with another airline. Booking your flights between San Francisco and KEF can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Reykjavik?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reykjavik from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Francisco to Reykjavik Keflavik Intl Airport

  • When you choose to book your flights through Alaska Airlines, which operates from San Francisco International Airport (SFO) as its hub, there are several benefits. You have a great chance of finding a flight that fits conveniently with your travel plans due to the availability of daily flights connecting San Francisco and Reykjavík.
  • Icelandair, United Airlines, Delta Air Lines, and Air Canada provide reservations for passengers with disabilities, particularly those with limited mobility. These airlines offer specialized services to accommodate passengers with impairments, including mobility assistance, priority boarding and disembarking, wheelchair-accessible seating options, and trained staff to assist them during their travel.
  • Airlines such as Icelandair, Delta Air Lines, SAS (Scandinavian Airlines), United Airlines, Alaska Airlines, and Air Canada cater to families traveling with children on flights from San Francisco to Reykjavík. These carriers provide various amenities like children's meals, activity kits, and entertainment options specifically designed to keep young travelers happy and engaged during the journey.
  • There are several airlines that let passengers bring pets on board for flights from San Francisco to Reykjavík, including SAS, Air Canada, Lufthansa United, and Icelandair. Larger animals can be carried in the airplane hold as checked luggage. The pet carrier must be leak-proof and sufficiently ventilated to guarantee the pet's comfort and safety.
  • When traveling from San Francisco to Reykjavík with a considerable amount of luggage, it's recommended to choose an airline with more flexible carry-on baggage policies. For instance, Icelandair permits passengers to carry a personal item and a carry-on bag into the cabin, with a maximum weight limit of 70 lbs. per bag.

Everything you need to know for your flight from San Francisco to Reykjavik

Information on your arrival and departure airports