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Keflavik Intl

$332+ Cheap flights from San Francisco (SFO) to Keflavik Intl (KEF)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KEF
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from San Francisco to Reykjavik Keflavik Intl are usually found in February or January, booked 56 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from San Francisco to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Keflavik Intl (KEF). 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 November 20, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

December

Cheapest in

February

Round-trip from

$877
(KAYAK)

One-way from

$457
(Kiwi.com)
Provider with most accurate pricing for San Francisco-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Reykjavik Keflavik Intl flights.
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High demand for flights, 24% potential price rise
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Best time to find cheap flights, 13% potential price drop
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From San Francisco to Reykjavik Keflavik Intl
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One-way flight from San Francisco to Reykjavik Keflavik Intl
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Find flight deals from San Francisco to Keflavik Intl

Cheapest flights from San Francisco to Keflavik Intl
Explore the most affordable flight options available from San Francisco to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Kiwi.com deal was found by Cheapflights users on 11/18. 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.
Mon 12/97:55 pmSFO - KEF
1 stop37h 25mMultiple Airlines
Mon 12/164:50 pmKEF - SFO
2 stops30h 07mMultiple Airlines
Deal found 11/18$903
This Icelandair deal was found by Cheapflights users on 11/18. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/86:00 amSFO - KEF
1 stop16h 10mIcelandair
Sat 12/1410:00 amKEF - SFO
1 stop21h 16mIcelandair
Deal found 11/18$949
This Scandinavian Airlines deal was found by Cheapflights users on 11/18. 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.
Sun 12/85:30 pmSFO - KEF
2 stops37h 45mScandinavian Airlines
Sun 12/1511:40 amKEF - SFO
2 stops36h 00mScandinavian Airlines
Deal found 11/18$978
This JetBlue deal was found by Cheapflights users on 11/18. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/118:35 pmSFO - KEF
1 stop17h 15mJetBlue
Sat 12/1410:00 amKEF - SFO
1 stop21h 16mJetBlue
Deal found 11/18$1,155
This SmartFares deal was found by Cheapflights users on 11/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/56:50 pmSFO - KEF
2 stops36h 30mTurkish Airlines
Mon 12/97:35 amKEF - SFO
2 stops35h 30mTurkish Airlines
Deal found 11/19$1,303
This FlightHub deal was found by Cheapflights users on 11/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/310:35 pmSFO - KEF
3 stops55h 20mLufthansa
Tue 12/102:55 pmKEF - SFO
2 stops37h 55mLufthansa
Deal found 11/18$1,357

Find flights from San Francisco to Keflavik Intl within your budget

Customize your flight search to find flights from San Francisco to Keflavik Intl 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 4/1

7:40 pm-10:15 am

2 stops31h 35m

Reykjavik Keflavik Intl

Thu 4/10

7:40 am-4:30 pm

1 stop15h 50m

$871

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Wed 1/8

8:05 am-6:10 am

1 stop14h 05m

Reykjavik Keflavik Intl

Wed 1/15

4:50 pm-12:14 am

1 stop15h 24m

$884

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Wed 2/5

8:30 am-5:25 pm

2 stops24h 55m

Reykjavik Keflavik Intl

Wed 2/12

6:00 am-8:10 pm

1 stop22h 10m

$885

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 3/31

11:30 am-9:30 am

1 stop15h 00m

Reykjavik Keflavik Intl

Wed 4/9

11:15 am-11:26 pm

2 stops19h 11m

$897

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 5/2

6:00 am-9:30 am

2 stops20h 30m

Reykjavik Keflavik Intl

Sun 5/11

11:15 am-1:27 am

1 stop21h 12m

$918

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 5/5

2:25 pm-4:55 pm

2 stops19h 30m

Reykjavik Keflavik Intl

Mon 5/19

8:45 am-10:00 pm

2 stops20h 15m

$939

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 4/20

2:40 pm-11:30 pm

1 stop25h 50m

Reykjavik Keflavik Intl

Sat 4/26

3:25 pm-12:40 pm

2 stops28h 15m

$941

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Thu 3/27

8:25 pm-1:20 pm

1 stop33h 55m

Reykjavik Keflavik Intl

Thu 4/10

2:05 pm-4:10 pm

1 stop33h 05m

$970

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 4/20

9:05 pm-11:20 pm

2 stops43h 15m

Reykjavik Keflavik Intl

Fri 4/25

12:10 am-12:40 pm

2 stops43h 30m

$981

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 4/4

3:30 pm-9:30 am

1 stop35h 00m

Reykjavik Keflavik Intl

Sun 4/13

10:25 am-1:15 pm

1 stop33h 50m

$995

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 21 results
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Compare providers for flights from San Francisco to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Keflavik Intl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Reykjavik Keflavik Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Francisco-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Francisco-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 San Francisco-Reykjavik Keflavik Intl Airport 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 San Francisco to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from San Francisco 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 San Francisco to Keflavik Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Keflavik Intl. Price data was last updated on November 15, 2024.

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from San Francisco to Reykjavik Keflavik Intl Airport (average of $313). Flying from San Francisco to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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.

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

Find hourly flight availability from San Francisco to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

It’s optimal to fly from San Francisco to Reykjavik Keflavik Intl Airport in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Keflavik Intl. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their San Francisco to Reykjavik Keflavik Intl Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. 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 Keflavik Intl. Reviews last updated November 20, 2024.
Read reviews from past customers who have flown Icelandair, Lufthansa and JetBlue from San Francisco to Reykjavik. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.7
Good
1,300 reviews

Crew

8.2

Overall

7.7

Food

6.7

Entertainment

6.9

Comfort

7.5

Boarding

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Finnair
7.7
Good
1,300 reviews
Finnair
7.7
Good
1,300 reviews

Crew

8.2

Overall

7.7

Food

6.7

Entertainment

6.9

Comfort

7.5

Boarding

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

JetBlue
7.5
Good
3,394 reviews
Finnair
7.7
Good
1,300 reviews

Crew

8.2

Overall

7.7

Food

6.7

Entertainment

6.9

Comfort

7.5

Boarding

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Scandinavian Airlines
7.3
Good
1,301 reviews
Finnair
7.7
Good
1,300 reviews

Crew

8.2

Overall

7.7

Food

6.7

Entertainment

6.9

Comfort

7.5

Boarding

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Icelandair
7.2
Good
555 reviews
Finnair
7.7
Good
1,300 reviews

Crew

8.2

Overall

7.7

Food

6.7

Entertainment

6.9

Comfort

7.5

Boarding

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Lufthansa
6.8
Okay
7,148 reviews
Finnair
7.7
Good
1,300 reviews

Crew

8.2

Overall

7.7

Food

6.7

Entertainment

6.9

Comfort

7.5

Boarding

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Keflavik Intl. 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 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.

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

    According to our current data, Scandinavian Airlines ($877), Icelandair ($884), and Lufthansa ($982) offers the cheapest pricing from San Francisco to Reykjavik Keflavik Intl Airport. Scandinavian Airlines is priced at 12% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $622 on JetBlue. Other airlines that offer cheap prices include Icelandair from $778 and Finnair from $837 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Keflavik Intl 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 San Francisco to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Reykjavik Keflavik Intl Airport (average of $313). Flying from San Francisco to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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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Top 10 airlines flying from San Francisco to Keflavik Intl

Discover the top 10 airlines that operate flights from San Francisco to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$497Average$794FlexibilityNo cancel feeOn-time60%
British AirwaysCheapest$660Average$850FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$705Average$930FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$717Average$803FlexibilityNo cancel feeOn-time77%
DeltaCheapest$732Average$857FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$761Average$1,073FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$792Average$1,033FlexibilityNo cancel feeOn-time77%
KLMCheapest$832Average$942FlexibilityNo cancel feeOn-time75%
IcelandairCheapest$862Average$1,065FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$1,174Average$1,382FlexibilityNo cancel feeOn-time62%
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