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$337+ Cheap flights from Keflavik Intl (KEF) to San Francisco (SFO)

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SFO
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$583
(Scandinavian Airlines)

One-way from

$337
(Kiwi.com)
Provider with most accurate pricing for Reykjavik Keflavik Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-San Francisco flights.
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From Reykjavik Keflavik Intl to San Francisco
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One-way flight from Reykjavik Keflavik Intl to San Francisco
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Find flight deals from Keflavik Intl to San Francisco

Cheapest flights from Keflavik Intl to San Francisco
Explore the most affordable flight options available from Keflavik Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1312:00 pmKEF - SFO
2 stops35h 40mScandinavian Airlines
Thu 3/276:30 pmSFO - KEF
1 stop21h 50mScandinavian Airlines
Deal found 2/20$583
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/63:45 pmKEF - SFO
1 stop15h 12mMultiple Airlines
Sun 4/137:44 amSFO - KEF
1 stop14h 01mMultiple Airlines
Deal found 2/20$675
This Mytrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/512:25 amKEF - SFO
1 stop22h 40mLufthansa
Sun 4/132:40 pmSFO - KEF
1 stop25h 55mLufthansa
Deal found 2/20$981
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1311:40 amKEF - SFO
2 stops40h 15mAmerican Airlines
Thu 3/2711:34 amSFO - KEF
2 stops23h 01mAmerican Airlines
Deal found 2/20$989
This British Airways deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2510:00 amKEF - SFO
2 stops22h 22mBritish Airways
Mon 3/311:35 amSFO - KEF
2 stops39h 15mBritish Airways
Deal found 2/20$1,014
This StudentUniverse deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2010:00 amKEF - SFO
2 stops22h 22mFinnair
Thu 2/2711:35 amSFO - KEF
2 stops37h 40mFinnair
Deal found 2/19$1,072

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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Keflavik Intl

Fly to

San Francisco

Route

Depart

Return

Price

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Thu 3/13

12:00 pm-4:40 pm

2 stops35h 40m

San Francisco

Thu 3/27

6:30 pm-11:20 pm

1 stop21h 50m

$583

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Sun 4/6

3:45 pm-11:57 pm

1 stop15h 12m

San Francisco

Sun 4/13

7:44 am-4:45 am

1 stop14h 01m

$675

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Sat 4/5

12:25 am-4:05 pm

1 stop22h 40m

San Francisco

Sun 4/13

2:40 pm-11:35 pm

1 stop25h 55m

$981

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Thu 3/13

11:40 am-8:55 pm

2 stops40h 15m

San Francisco

Thu 3/27

11:34 am-5:35 pm

2 stops23h 01m

$989

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Sun 4/20

10:20 am-1:50 pm

1 stop34h 30m

San Francisco

Thu 5/1

4:49 pm-9:10 am

2 stops33h 21m

$2,836

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Thu 5/29

9:35 am-12:33 am

2 stops21h 58m

$337

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Thu 5/22

9:35 am-1:59 pm

2 stops35h 24m

$544

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Fri 5/23

5:15 pm-8:58 pm

2 stops34h 43m

$664

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Wed 8/6

8:45 am-10:19 pm

2 stops20h 34m

$756

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Thu 5/22

1:15 am-7:00 pm

1 stop24h 45m

$1,013

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 15 results
1
2
  • Most accurate provider: When it comes to deals on Reykjavik Keflavik Intl Airport-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Reykjavik Keflavik Intl Airport-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Reykjavik Keflavik Intl Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Keflavik Intl to San Francisco

Get recent, data-driven insights about flights from Keflavik Intl to San Francisco including ideal travel times, pricing trends, and more.

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

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

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 February 20, 2025.
Emirates
8.1
Very good
3,279 reviews

Food

7.9

Overall

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Emirates
8.1
Very good
3,279 reviews
Emirates
8.1
Very good
3,279 reviews

Food

7.9

Overall

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Delta
8.0
Very good
8,220 reviews
Emirates
8.1
Very good
3,279 reviews

Food

7.9

Overall

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Finnair
7.6
Good
1,273 reviews
Emirates
8.1
Very good
3,279 reviews

Food

7.9

Overall

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Austrian Airlines
7.6
Good
773 reviews
Emirates
8.1
Very good
3,279 reviews

Food

7.9

Overall

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

SWISS
7.5
Good
1,568 reviews
Emirates
8.1
Very good
3,279 reviews

Food

7.9

Overall

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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.

  • 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 $544. However, be on the lookout for offers from Finnair and British Airways, as they are both options that can get you from Reykjavik Keflavik Intl Airport to San Francisco for a low price.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to San Francisco (average of $276). Flying from Reykjavik Keflavik Intl Airport to San Francisco in June is currently the most expensive (average of $403). 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

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Roseville
Mountain View
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
Watsonville
Hayward
Richmond
Hollister
South San Francisco
Antioch
Milpitas
Vallejo
Newark
Alameda
Campbell
Pacific Grove
Sunnyvale

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Alternative routes for Keflavik Intl to San Francisco

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