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$276+ Cheap flights from San Francisco (SFO) to Reykjavik

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — REK
May 20 — May 271
Tue 5/20
Tue 5/27
1 adult, Economy
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Cheap flight deals from San Francisco to Reykjavik

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Reykjavik (IS1). 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 May 15, 2025.

Round-trip from

$588
(PLAY)

One-way from

$276
(Kiwi.com)
From San Francisco to Reykjavik
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One-way flight from San Francisco to Reykjavik
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Find flight deals from San Francisco to Reykjavik

Cheapest flights from San Francisco to Reykjavik
Explore the most affordable flight options available from San Francisco to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2025.

This PLAY deal was found by Cheapflights users on 5/13. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:10 amSFO - KEF
1 stop15h 35mMultiple Airlines
Sat 9/203:45 pmKEF - SFO
1 stop15h 07mMultiple Airlines
Deal found 5/13$588
This Justfly.com deal was found by Cheapflights users on 5/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/108:40 amSFO - KEF
1 stop16h 35mAir Canada
Fri 8/229:30 amKEF - SFO
1 stop19h 10mAir Canada
Deal found 5/14$590
This Delta deal was found by Cheapflights users on 5/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:15 amSFO - KEF
1 stop17h 45mDelta
Tue 8/268:50 amKEF - SFO
2 stops14h 29mDelta
Deal found 5/14$603
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/138:30 amSFO - KEF
1 stop16h 40mUnited Airlines
Tue 8/269:50 amKEF - SFO
1 stop18h 03mUnited Airlines
Deal found 5/14$615
This Gurufare deal was found by Cheapflights users on 5/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/48:40 pmSFO - KEF
1 stop30h 05mBritish Airways
Tue 11/1811:45 amKEF - SFO
1 stop35h 15mBritish Airways
Deal found 5/15$626
This Finnair deal was found by Cheapflights users on 5/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:30 pmSFO - KEF
2 stops31h 45mFinnair
Tue 11/1810:00 amKEF - SFO
2 stops37h 00mFinnair
Deal found 5/14$631
This American Airlines deal was found by Cheapflights users on 5/15. 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.
Mon 12/295:30 pmSFO - KEF
1 stop33h 20mAmerican Airlines
Fri 1/96:45 pmKEF - SFO
1 stop28h 15mAmerican Airlines
Deal found 5/15$651
This Trip.com deal was found by Cheapflights users on 5/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:05 pmSFO - KEF
1 stop31h 10mWestJet
Fri 8/229:35 amKEF - SFO
1 stop33h 20mWestJet
Deal found 5/13$652
This oojo deal was found by Cheapflights users on 5/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:40 pmSFO - KEF
1 stop30h 50mScandinavian Airlines
Mon 10/135:10 pmKEF - SFO
1 stop30h 20mScandinavian Airlines
Deal found 5/14$667
This Virgin Atlantic deal was found by Cheapflights users on 5/13. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:55 amSFO - KEF
2 stops17h 35mVirgin Atlantic
Thu 10/2311:25 amKEF - SFO
2 stops19h 24mVirgin Atlantic
Deal found 5/13$671
This KLM deal was found by Cheapflights users on 5/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:00 amSFO - KEF
1 stop17h 20mKLM
Wed 9/39:30 amKEF - SFO
2 stops13h 49mKLM
Deal found 5/14$733
This Air France deal was found by Cheapflights users on 5/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:15 amSFO - KEF
2 stops17h 05mAir France
Tue 10/78:45 amKEF - SFO
2 stops18h 36mAir France
Deal found 5/14$751

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco to Reykjavik 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 May 15, 2025.
Use the filters below to find and compare flights from San Francisco to Reykjavik that are best for you.

Fly from

San Francisco

Fly to

Reykjavik

Route

Depart

Return

Price

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 9/9

6:10 am-4:45 am

1 stop15h 35m

Reykjavik Keflavik Intl

Sat 9/20

3:45 pm-11:52 pm

1 stop15h 07m

$588

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 8/10

8:40 am-8:15 am

1 stop16h 35m

Reykjavik Keflavik Intl

Fri 8/22

9:30 am-9:40 pm

1 stop19h 10m

$590

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 8/11

6:15 am-7:00 am

1 stop17h 45m

Reykjavik Keflavik Intl

Tue 8/26

8:50 am-4:19 pm

2 stops14h 29m

$603

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Wed 8/13

8:30 am-8:10 am

1 stop16h 40m

Reykjavik Keflavik Intl

Tue 8/26

9:50 am-8:53 pm

1 stop18h 03m

$615

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 11/4

8:40 pm-10:45 am

1 stop30h 05m

Reykjavik Keflavik Intl

Tue 11/18

11:45 am-3:00 pm

1 stop35h 15m

$626

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 11/4

5:30 pm-9:15 am

2 stops31h 45m

Reykjavik Keflavik Intl

Tue 11/18

10:00 am-3:00 pm

2 stops37h 00m

$631

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 8/18

6:05 pm-8:15 am

1 stop31h 10m

Reykjavik Keflavik Intl

Fri 8/22

9:35 am-11:55 am

1 stop33h 20m

$652

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Wed 10/8

7:40 pm-9:30 am

1 stop30h 50m

Reykjavik Keflavik Intl

Mon 10/13

5:10 pm-4:30 pm

1 stop30h 20m

$667

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 10/14

8:55 am-9:30 am

2 stops17h 35m

Reykjavik Keflavik Intl

Thu 10/23

11:25 am-11:49 pm

2 stops19h 24m

$671

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Thu 8/21

6:00 am-6:20 am

1 stop17h 20m

Reykjavik Keflavik Intl

Wed 9/3

9:30 am-4:19 pm

2 stops13h 49m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 21 results
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Best time to book a flight from San Francisco to Reykjavik

Have a flexible travel schedule? Discover the best time to fly to Reykjavik 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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Reykjavik

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

Currently, November is the cheapest month in which you can book a flight from San Francisco to Reykjavik (average of $328). Flying from San Francisco to Reykjavik in June is currently the most expensive (average of $653). 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 Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 15, 2025.

It’s optimal to fly from San Francisco to Reykjavik in the morning. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight at noon.

Rainfall in Reykjavik by month

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

In terms of precipitation, rainfall in Reykjavik 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 when rainfall is around 1.6 in.

Temperature in Reykjavik by month

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

If weather is an important factor for your trip to Reykjavik, 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 Reykjavik

Get insights into the airlines that provide service to Reykjavik. 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 Reykjavik. Reviews last updated May 15, 2025.
Read through reviews of airlines operating flights from San Francisco to Reykjavik, such as Delta, Alaska Airlines and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,344 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,279 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,451 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Reykjavik. 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?

    If you book a flight to Reykjavik from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There are 0 flights from San Francisco to Reykjavik per day from 9 different airlines.

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

    Flying on Air Canada is currently your cheapest option to Reykjavik, with prices starting at $590. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $603 and $615, respectively.

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

    $307 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Lufthansa and Air Canada, with prices starting from $434 and $495, respectively.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Reykjavik (average of $328). Flying from San Francisco to Reykjavik in June is currently the most expensive (average of $653). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from San Francisco to Reykjavik

Discover the top 9 airlines that operate flights from San Francisco to Reykjavik. 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 2,558,603 searches. Data last updated May 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$527Average$708FlexibilityNo cancel feeOn-time60%
DeltaCheapest$556Average$845FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$649Average$755FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$716Average$953FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$722Average$922FlexibilityNo cancel feeOn-time77%
KLMCheapest$739Average$949FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$751Average$1,062FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$862Average$1,054FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$1,045Average$1,143FlexibilityNo cancel feeOn-time75%

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