Menu

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

Know your dates, get live prices in seconds:

From
To
Depart
–
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
Add another flight clear all

We work with more than 300 partners to bring you better travel deals

The best prices from San Francisco to Keflavik are usually found in January or February, booked 55 days in advance, depart on a Wednesday or Thursday and return on a Monday

Home Europe Iceland Reykjavik Keflavik Cheap flights from San Francisco to Keflavik

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

SFO - KEF
Price
$432 - $844
KEF
Temperature
37.4 - 57.2 °F
KEF
Rainfall
0.8 - 3.7 inches
Popular in December High demand for flights, 22% potential price rise
Cheapest in January Best time to find cheap flights, 34% potential price drop
Average price $695 Average for round-trip flights in August 2020
Round-trip from $432 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.
What is the cheapest day to fly round-trip from San Francisco to Keflavik?

Travelers have found that booking a Tuesday departure is the best way to save up to 24% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save up to 3% on this flight, we recommend booking at least 37 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 $787 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, July can be a great choice for travel to Keflavik. Flights to Keflavik from San Francisco in July are about $753 on average during July, but can be found for as low as $591.

When is the cheapest time to fly from San Francisco to Keflavik (SFO - KEF)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 25% on flights from San Francisco to Keflavik by exploring options for tickets in the noon.

Cheap flights from San Francisco to Keflavik in August, September 2020

The best prices found for SFO to KEF flights for August, September
22 Aug - 29 Aug
$747pp
SFO
San Francisco
Icelandair
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
 
1 STOP
SFO
San Francisco
24 Aug - 28 Aug
$759pp
SFO
San Francisco
Icelandair
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
 
1 STOP
SFO
San Francisco
13 Aug - 25 Aug
$775pp
SFO
San Francisco
Icelandair
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
 
1 STOP
SFO
San Francisco

San Francisco to Keflavik 2020 flight deals

Cheap flights to Keflavik from San Francisco found for this year
22 Oct - 28 Oct
$502pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Multiple Airlines
     
3 STOPS
SFO
San Francisco
22 Oct - 27 Oct
$541pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
14 Sep - 5 Oct
$555pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Multiple Airlines
     
3 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
23 Jul - 26 Jul
$900pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Multiple Airlines
   
2 STOPS
SFO
San Francisco
24 Jul - 29 Jul
$922pp
SFO
San Francisco
Icelandair
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Icelandair
 
1 STOP
SFO
San Francisco
26 Jul - 1 Aug
$951pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
KEF
Reykjavik Keflavik Intl
KEF
Reykjavik Keflavik Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco

One-way flights to Keflavik from San Francisco

The cheapest one-way flights from San Francisco to Keflavik
4:20 am - 4:55 am
JetBlue
1 Stop
17h 35m
SFO - KEF
JetBlue
$488
9:00 am - 2:05 am
Icelandair
1 Stop
34h 05m
SFO - KEF
Icelandair
$814
Travelgenio
3:00 am - 6:35 am
SAS
2 Stops
20h 35m
SFO - KEF
SAS
$1642
Kiwi.com

Related info for your journey

Useful info, stats and facts about San Francisco to Keflavik 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.

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 Multiple Airlines for just $502, but on average you can expect to pay $592.

Are there nonstop flights from San Francisco to Keflavik for under $500 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 $900?

There are currently 20+ open flights from San Francisco to Keflavik within the next 7 days for less than $900.

Does it rain more in San Francisco or Keflavik?

In San Francisco, there will be less rainfall in San Francisco compared to Keflavik over the next 3 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.

What are the cheapest airlines to fly from San Francisco to Keflavik one-way?

For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $488. Users have also found prices from $625 and $754 on JetBlue and Icelandair, respectively.

Related searches

Flights to Keflavik from San Francisco
Flights to San Francisco Flights to Keflavik Flights from San Francisco

Rent a Car

Car Rentals in Keflavik

Alternative routes for San Francisco to Keflavik

Los Angeles to Reykjavik from $622 pp
Fresno to Reykjavik from $860 pp

Destination information for Keflavik

Things to know before you go. Useful info for your trip from San Francisco to Keflavik
Today's exchange rate
$1 = 136 kr
Average temperature for August in Keflavik
57.2 °F
Avg rainfall for August in Keflavik
1.2 ″

Airports servicing San Francisco

San Francisco (SFO)

Airports servicing Reykjavik

Keflavik (KEF)

Popular flight searches

Check out other popular destinations found by fellow travelers
Home Europe Iceland Reykjavik Keflavik Cheap flights from San Francisco to Keflavik