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

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How to find the cheapest flight from
San Francisco (SFO) to Keflavik (KEF)

All the information you need to plan the best SFO to KEF flight in 2021: compare San Francisco to Keflavik flight prices with the expected peak season, weather and rainfall in Keflavik.
SFO - KEF
Price
$643 - $906
KEF
Temperature
37.4 - 57.2 °F
KEF
Rainfall
0.8 - 3.7 inches

Popular in

July

High demand for flights, 11% potential price rise

Cheapest in

October

Best time to find cheap flights, 20% potential price drop

Round-trip from

$643

From San Francisco to Keflavik

One-way from

$408

One-way flight from San Francisco to Keflavik

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from San Francisco to Keflavik?

To save up to 15% on this flight, we recommend booking at least 19 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Keflavik from $784 1-2 weeks out and tickets from $919 for flights departing within the next 72 hours.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, June can be a great choice for travel to Keflavik. Flights to Keflavik from San Francisco in June are about $815 on average during June, but can be found for as low as $595.

Cheap flights from San Francisco to Keflavik in May, June 2021

The best prices found for SFO to KEF flights for May, June
14 Jun - 18 Aug
$625pp
SFO
San Francisco
Finnair
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Finnair
   
2 STOPS
SFO
San Francisco
29 Jun - 11 Jul
$634pp
SFO
San Francisco
Finnair
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Finnair
   
2 STOPS
SFO
San Francisco
28 Jun - 13 Jul
$643pp
SFO
San Francisco
Air Canada
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Air Canada
   
2 STOPS
SFO
San Francisco

San Francisco to Keflavik 2021 flight deals

Cheap flights to Keflavik from San Francisco found for this year
19 Jul - 2 Aug
$577pp
SFO
San Francisco
Finnair
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Finnair
   
2 STOPS
SFO
San Francisco
7 Oct - 20 Oct
$596pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Finnair
   
2 STOPS
SFO
San Francisco
7 Oct - 20 Oct
$606pp
SFO
San Francisco
Finnair
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Finnair
   
2 STOPS
SFO
San Francisco

Last minute flights from San Francisco to Keflavik

Late deals on round-trip flights to Keflavik from San Francisco, departing today and this week
15 May - 24 May
$933pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
15 May - 25 May
$953pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
14 May - 20 May
$979pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Multiple Airlines
     
3 STOPS
SFO
San Francisco

One-way flights to Keflavik from San Francisco

The cheapest one-way flights from San Francisco to Keflavik
4:30 pm - 7:55 pm
Multiple Airlines
1 Stop
20h 25m
SFO - KEF
Multiple Airlines
$408
Kiwi.com
4:30 pm - 7:55 pm
Multiple Airlines
1 Stop
20h 25m
SFO - KEF
Multiple Airlines
$419
Kiwi.com
3:15 pm - 5:10 pm
Multiple Airlines
1 Stop
18h 55m
SFO - KEF
Multiple Airlines
$493
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Keflavik</span> flights.

Flight FAQs

From San Francisco to Keflavik

Are flight prices decreasing from San Francisco to Keflavik due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and Keflavik for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Francisco to Reykjavik Keflavik Intl to control the spread of COVID-19?

Alaska Airlines and Delta are some of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from San Francisco to Reykjavik Keflavik Intl. Policies will vary by airline.

Which airlines flying from San Francisco to Reykjavik Keflavik Intl have flexible cancellations due to COVID-19?

Some of our airline partners flying from San Francisco to Reykjavik Keflavik Intl have new flexible policies in place due to COVID-19. Icelandair, American Airlines, and Air Canada are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Icelandair with this kind of flexibility.

What airport do you fly from for flights from San Francisco to Reykjavik Keflavik Intl?

Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to Reykjavik Keflavik Intl from San Francisco. Booking flights from San Francisco (SFO) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 10 different airlines.

Can I find flights from San Francisco to Keflavik for under $600 on Cheapflights?

Yes, there are multiple flights from San Francisco to Keflavik for under $600. The cheapest flight booked recently is on Finnair for just $577, but on average you can expect to pay $621.

Are there nonstop flights from San Francisco to Keflavik for under $600 on Cheapflights?

There are no nonstop flights from San Francisco to Keflavik, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from San Francisco to Keflavik for under $1,000?

There are currently 20+ open flights from San Francisco to Keflavik within the next 7 days for less than $1,000.

Does it rain more in San Francisco or Keflavik?

In San Francisco, there will be same rainfall in San Francisco compared to Keflavik over the next 7 days.

Is San Francisco weather warmer or cooler than Keflavik?

With an average temperature of 77 °F, peak weather can be found in September. As a traveler, expect to see changes in flight prices during that period. The temperatures in Keflavik are colder than in San Francisco.

How long is the flight from San Francisco to Keflavik?

Airlines like Air Canada, United Airlines, and Finnair fly from San Francisco to Keflavik in about 11h 55m. The time it takes to get you to your destination can typically vary by up to 9h 40m. This flight may include one or multiple stops.

What are the cheapest airlines flying from San Francisco to Keflavik round-trip?

Currently priced at $577, Finnair will fly you from San Francisco to Keflavik and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air Canada - these airlines can fly you to your destination from $618 and $626, respectively. Users have found that Finnair is 28% cheaper than the other options available to this destination.

Related searches

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Rent a Car

Car Rentals in Keflavik

Alternative routes for San Francisco to Keflavik

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Keflavik

Things to know before you go - useful duration and weather info for your trip from San Francisco to Keflavik.
Today's exchange rate
$1 = 124 kr
Average temperature for May in Keflavik
50.0 °F
Avg rainfall for May in Keflavik
1.4 ″

Airports servicing San Francisco

Airports servicing Reykjavik

Top 9 airlines flying from San Francisco to Keflavik

The chart below displays the airlines Cheapflights users traveling from San Francisco to Keflavik choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Alaska Airlines
$137 $196 No cancel fee 75%
American Airlines
$454 $719 No cancel fee 71%
JetBlue
$613 $740 No cancel fee 62%
Air Canada
$451 $755 No cancel fee 67%
Delta
$260 $761 No cancel fee N/A
Lufthansa
$465 $796 No cancel fee 76%
Icelandair
$556 $820 No cancel fee 76%
United Airlines
$605 $833 No cancel fee 69%
KLM
$577 $927 No cancel fee 75%
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