Cheap flights from Keflavik Intl (KEF) to San Francisco (SFO) from $326

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. 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.
KEF — SFO
jun. 11 — jun. 181

Cheap flight deals from Keflavik Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 6, 2024.

Popular in

September

Cheapest in

December

Average price

$759

Round-trip from

$268
High demand for flights, 24% potential price rise
Best time to find cheap flights, 30% potential price drop
Average for round-trip flights in June 2024
From Reykjavik Keflavik Intl to San Francisco

What is the cheapest day to fly round-trip from Reykjavik Keflavik Intl Airport to San Francisco?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Francisco. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest time of day to fly from KEF to SFO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Reykjavik Keflavik Intl Airport to San Francisco as you normally would.

Cheap Keflavik Intl to San Francisco flights in June & July 2024

Find cheap flight options from Keflavik Intl to San Francisco specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on junio 6, 2024.
Listed are some of the best fares we've found on flights departing from Reykjavik to San Francisco in 2024. Check back soon for alternative fares.
lun. 7/299:45 amKEF - SFO
1 stop33h 01mUnited Airlines
mar. 8/137:00 amSFO - KEF
1 stop17h 00mUnited Airlines
Deal found 6/6$787
jue. 6/209:45 amKEF - SFO
2 stops39h 05mAir Canada
jue. 7/410:05 pmSFO - KEF
2 stops27h 30mAir Canada
Deal found 6/6$792
jue. 6/2011:00 amKEF - SFO
1 stop14h 27mUnited Airlines
jue. 7/45:00 amSFO - KEF
2 stops20h 30mUnited Airlines
Deal found 6/6$802
jue. 6/209:45 amKEF - SFO
1 stop20h 27mAir Canada
jue. 7/410:05 pmSFO - KEF
2 stops27h 30mAir Canada
Deal found 6/5$803
jue. 6/202:05 pmKEF - SFO
1 stop33h 30mSWISS
jue. 7/47:40 pmSFO - KEF
1 stop35h 50mSWISS
Deal found 6/6$804
jue. 6/209:45 amKEF - SFO
2 stops18h 16mAir Canada
jue. 7/410:05 pmSFO - KEF
2 stops27h 30mAir Canada
Deal found 6/5$809
jue. 6/2012:00 pmKEF - SFO
1 stop28h 50mUnited Airlines
jue. 7/46:30 pmSFO - KEF
1 stop31h 00mUnited Airlines
Deal found 6/5$817
mié. 6/1912:25 amKEF - SFO
1 stop22h 35mLufthansa
jue. 7/42:40 pmSFO - KEF
1 stop25h 50mLufthansa
Deal found 6/5$1,241
dom. 7/2812:45 amKEF - SFO
1 stop22h 50mSWISS
mar. 8/137:40 pmSFO - KEF
1 stop34h 40mSWISS
Deal found 6/6$1,450

Keflavik Intl to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Keflavik Intl and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
Listed are some of the best fares we've found on flights departing from Reykjavik to San Francisco in 2024. Check back soon for alternative fares.
mar. 10/1510:30 amKEF - SFO
1 stop36h 20mScandinavian Airlines
dom. 11/34:20 pmSFO - KEF
1 stop34h 20mScandinavian Airlines
Deal found 6/5$619
mar. 10/1510:30 amKEF - SFO
1 stop36h 20mScandinavian Airlines
sáb. 11/25:20 pmSFO - KEF
1 stop34h 20mScandinavian Airlines
Deal found 6/5$633
mar. 10/1510:30 amKEF - SFO
1 stop36h 20mScandinavian Airlines
sáb. 11/25:20 pmSFO - KEF
2 stops38h 00mScandinavian Airlines
Deal found 6/5$661
mar. 10/1510:30 amKEF - SFO
1 stop36h 20mScandinavian Airlines
vie. 11/15:20 pmSFO - KEF
2 stops62h 00mScandinavian Airlines
Deal found 6/5$675
mar. 10/1511:05 amKEF - SFO
2 stops35h 45mScandinavian Airlines
sáb. 11/25:20 pmSFO - KEF
2 stops38h 00mScandinavian Airlines
Deal found 6/5$690
mar. 10/1510:30 amKEF - SFO
1 stop36h 20mScandinavian Airlines
vie. 11/15:20 pmSFO - KEF
1 stop15h 10mScandinavian Airlines
Deal found 6/5$702
lun. 7/299:45 amKEF - SFO
1 stop33h 01mUnited Airlines
mar. 8/137:00 amSFO - KEF
1 stop17h 00mUnited Airlines
Deal found 6/6$787
jue. 6/209:45 amKEF - SFO
2 stops39h 05mAir Canada
jue. 7/410:05 pmSFO - KEF
2 stops27h 30mAir Canada
Deal found 6/6$792
mar. 8/612:00 pmKEF - SFO
1 stop16h 14mUnited Airlines
mar. 8/201:05 pmSFO - KEF
1 stop12h 25mUnited Airlines
Deal found 6/6$797

One-way flights to San Francisco from Keflavik Intl

Search for one-way flight options from Keflavik Intl to San Francisco. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
Take a look at some of the best available options we've come across on one-way flights from Reykjavik to San Francisco. Users needing a return flight from Reykjavik to San Francisco should utilize the search form above.
lun. 9/309:35 amKEF - SFO
1 stop18h 41mWestJet
Deal found 6/4$326
mar. 6/119:35 amKEF - SFO
1 stop14h 43mWestJet
Deal found 6/5$354
sáb. 9/289:35 amKEF - SFO
1 stop18h 41mWestJet
Deal found 6/4$364
mar. 10/19:35 amKEF - SFO
3 stops20h 18mMultiple Airlines
Deal found 6/4$394
mar. 10/19:35 amKEF - SFO
2 stops20h 18mMultiple Airlines
Deal found 6/4$401
sáb. 10/129:35 amKEF - SFO
3 stops35h 58mWestJet
Deal found 6/5$405
lun. 9/309:35 amKEF - SFO
2 stops14h 53mMultiple Airlines
Deal found 6/4$436
mar. 6/119:35 amKEF - SFO
2 stops35h 59mWestJet
Deal found 6/5$441
sáb. 10/129:35 amKEF - SFO
2 stops14h 53mMultiple Airlines
Deal found 6/5$455

Find flights from Keflavik Intl to San Francisco within your budget

Customize your flight search to find flights from Keflavik Intl to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$619 - $1,246

Route

Depart

Return

Price

Reykjavik Keflavik IntlSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

mar. 10/15

1 stop36h 20m

San Francisco

dom. 11/3

1 stop34h 20m

$619

Reykjavik Keflavik IntlSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

lun. 7/29

1 stop33h 01m

San Francisco

mar. 8/13

1 stop17h 00m

$787

Reykjavik Keflavik IntlSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

jue. 6/20

2 stops39h 05m

San Francisco

jue. 7/4

2 stops27h 30m

$792

Reykjavik Keflavik IntlSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

jue. 6/20

1 stop33h 30m

San Francisco

jue. 7/4

1 stop35h 50m

$804

Reykjavik Keflavik IntlSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

jue. 8/8

1 stop13h 11m

San Francisco

lun. 8/12

1 stop14h 10m

$878

Reykjavik Keflavik IntlSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

jue. 8/8

1 stop17h 56m

San Francisco

dom. 8/11

1 stop23h 09m

$899

Reykjavik Keflavik IntlSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

mar. 10/15

2 stops17h 28m

San Francisco

mar. 11/5

1 stop21h 15m

$1,158

Reykjavik Keflavik IntlSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

mié. 6/19

1 stop22h 35m

San Francisco

jue. 7/4

1 stop25h 50m

$1,241

Reykjavik Keflavik IntlSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

mar. 10/15

1 stop34h 05m

San Francisco

mié. 10/30

1 stop34h 25m

$1,246

Flights are sorted by cheapest first

Deals found on 6/5

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

Use this chart to determine the cheapest time to fly round-trip from Keflavik Intl to San Francisco. Price data was last updated on April 14, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Reykjavik Keflavik Intl Airport to San Francisco flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Keflavik Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Keflavik Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature and rainfall totals by month.

SFO

Temperature

51.8 - 62.6 °F

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated junio 6, 2024.
Read through reviews of airlines operating flights from Reykjavik to San Francisco, such as Air Canada, SWISS and Lufthansa. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

8.0
Very good
10,368 reviews
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

7.9
Good
1,489 reviews
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

7.8
Good
1,363 reviews
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

7.8
Good
1,930 reviews
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

7.7
Good
1,010 reviews
8.0
Very good
10,368 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Francisco from Reykjavik Keflavik Intl?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Reykjavik Keflavik Intl. On average, San Francisco has 0 inbound flights from Reykjavik Keflavik Intl per day from 0 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • Can I find flights from Reykjavik Keflavik Intl Airport to San Francisco for under $700 on Cheapflights?

    Yes, there are multiple flights from Reykjavik Keflavik Intl Airport to San Francisco for under $700. The cheapest flight booked recently is on Scandinavian Airlines for just $619, but on average you can expect to pay $791.

  • What are the cheapest airlines flying from Reykjavik Keflavik Intl Airport to San Francisco round-trip?

    According to our current data, Scandinavian Airlines ($619), United Airlines ($787), and Air Canada ($792) offers the cheapest pricing from Reykjavik Keflavik Intl Airport to San Francisco. These flights start at 29% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Reykjavik Keflavik Intl Airport to San Francisco one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $326. However, be on the lookout for offers from Scandinavian Airlines and American Airlines, as they are both options that can get you from Reykjavik Keflavik Intl Airport to San Francisco for a low price.

  • What does KEF to SFO mean?

    KEF stands for Reykjavik Keflavik Intl Airport, while SFO stands for San Francisco Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Keflavik Intl to San Francisco that include extra baggage allowance?

    The amount of baggage you can bring on your Keflavik Intl to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Keflavik Intl to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter Keflavik Intl to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Keflavik Intl to San Francisco that include hotel bookings?

    Yes. In addition to deals on Keflavik Intl to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Keflavik Intl to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Keflavik Intl to San Francisco.

  • Can I find deals for business class flights from Keflavik Intl to San Francisco?

    Yes. Cheapflights offers flight deals from Keflavik Intl to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Keflavik Intl to San Francisco that allow pets onboard?

    Many airlines flying from Keflavik Intl to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Keflavik Intl to San Francisco?

    Yes, you can often find last-minute deals on Keflavik Intl to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Reykjavik Keflavik Intl Airport to San Francisco flight deals updated?

    The Reykjavik Keflavik Intl Airport to San Francisco flight deals you see on this page were last updated on 6/6.

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

    Currently, September is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to San Francisco (average of $268). Flying from Reykjavik Keflavik Intl Airport to San Francisco in June is currently the most expensive (average of $385). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Keflavik Intl to San Francisco
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