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$297+ Cheap flights from San Francisco (SFO) to Iceland

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KEF
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from San Francisco to Iceland

Cheapest flights from San Francisco to Iceland
Explore the most affordable flight options available from San Francisco to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Trip.com deal was found by Cheapflights users on 12/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:24 amSFO - KEF
1 stop15h 41mMultiple Airlines
Sat 12/274:55 pmKEF - SFO
1 stop15h 29mMultiple Airlines
Deal found 12/15$1,201
This FlightHub deal was found by Cheapflights users on 12/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:36 amSFO - KEF
1 stop10h 39mMultiple Airlines
Mon 12/224:45 pmKEF - SFO
1 stop14h 09mMultiple Airlines
Deal found 12/14$1,352
This oojo deal was found by Cheapflights users on 12/14. 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.
Mon 12/158:00 amSFO - KEF
1 stop14h 15mIcelandair
Mon 12/225:00 pmKEF - SFO
1 stop14h 10mIcelandair
Deal found 12/14$1,373
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:07 pmSFO - KEF
1 stop29h 58mMultiple Airlines
Thu 1/85:00 pmKEF - SFO
2 stops28h 18mMultiple Airlines
Deal found 12/15$1,376
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:24 amSFO - KEF
1 stop15h 41mMultiple Airlines
Fri 1/95:00 pmKEF - SFO
2 stops28h 31mMultiple Airlines
Deal found 12/15$1,394
This Alaska Airlines deal was found by Cheapflights users on 12/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:20 pmSFO - KEF
1 stop26h 55mAlaska Airlines
Fri 12/265:00 pmKEF - SFO
1 stop14h 54mAlaska Airlines
Deal found 12/14$1,396
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:24 amSFO - KEF
1 stop15h 41mMultiple Airlines
Sat 12/274:55 pmKEF - SFO
1 stop15h 29mMultiple Airlines
Deal found 12/15$1,397
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:41 pmSFO - KEF
1 stop24h 34mAlaska Airlines
Sun 12/284:50 pmKEF - SFO
1 stop14h 59mAlaska Airlines
Deal found 12/16$1,414
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:24 amSFO - KEF
1 stop15h 41mMultiple Airlines
Fri 12/264:55 pmKEF - SFO
1 stop15h 29mMultiple Airlines
Deal found 12/15$1,436
This Travelocity deal was found by Cheapflights users on 12/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:20 pmSFO - KEF
1 stop26h 55mAlaska Airlines
Thu 12/255:00 pmKEF - SFO
1 stop24h 33mAlaska Airlines
Deal found 12/14$1,442

Find flight deals from San Francisco to Iceland

Keep the following information in mind while searching for San Francisco to Iceland flight deals. Data was last updated December 16, 2025.

Most accurate provider

oojo
3 stars

Most trusted provider

oojo
3 stars

Round-trip from

$655
(Trip.com)

One-way from

$297
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,243
Provider with most accurate pricing for San Francisco-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Reykjavik (REK) flights.
Search Deals
From San Francisco to Iceland
Search Deals
One-way flight from San Francisco to Iceland
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Iceland 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 December 16, 2025.
Use the filters below to find and compare flights from San Francisco to Iceland that are best for you.

Fly from

San Francisco

Fly to

Iceland

Route

Depart

Return

Price

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 4/17

4:45 pm-9:40 am

1 stop33h 55m

Reykjavik Keflavik Intl

Mon 4/20

10:30 am-2:40 pm

1 stop35h 10m

$731

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Thu 3/5

4:40 pm-10:30 am

2 stops57h 50m

Reykjavik Keflavik Intl

Mon 3/9

3:40 pm-11:16 pm

2 stops38h 36m

$731

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 2/1

4:40 pm-10:45 am

1 stop34h 05m

Reykjavik Keflavik Intl

Thu 2/5

11:30 am-2:35 pm

2 stops35h 05m

$735

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 5/10

7:00 am-9:40 am

2 stops19h 40m

Reykjavik Keflavik Intl

Wed 5/13

1:25 am-2:40 pm

1 stop20h 15m

$756

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Wed 3/25

1:05 pm-11:20 pm

2 stops27h 15m

Reykjavik Keflavik Intl

Sat 4/4

6:35 pm-2:40 pm

2 stops27h 05m

$807

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Wed 3/25

8:25 am-6:10 am

1 stop14h 45m

Reykjavik Keflavik Intl

Sat 4/4

8:20 pm-11:00 am

1 stop21h 40m

$823

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 4/10

4:45 pm-5:45 pm

2 stops18h 00m

Reykjavik Keflavik Intl

Sun 4/19

10:40 am-2:40 pm

2 stops35h 00m

$837

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 3/31

4:45 pm-4:15 pm

1 stop16h 30m

Reykjavik Keflavik Intl

Sat 4/4

5:10 pm-2:40 pm

1 stop28h 30m

$841

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sat 2/28

10:15 am-11:15 am

3 stops41h 00m

$297

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sat 1/31

10:15 am-11:10 am

3 stops40h 55m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 18 results
1
2

Best time to book a flight from San Francisco to Iceland

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

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

Currently, April is the cheapest month in which you can book a flight from San Francisco to Iceland (average of $167). Flying from San Francisco to Iceland in January is currently the most expensive (average of $784). 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 IS?

Find hourly flight availability from San Francisco to Iceland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Iceland in the evening. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from San Francisco to Iceland?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Iceland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco to Iceland flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Iceland

Get insights into the airlines that provide service to Iceland. 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 Iceland. Reviews last updated December 16, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from San Francisco to Iceland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,460 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,460 reviews
Alaska Airlines
8.0
Very good
11,460 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,010 reviews
Alaska Airlines
8.0
Very good
11,460 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,093 reviews
Alaska Airlines
8.0
Very good
11,460 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
WestJet
7.2
Good
3,202 reviews
Alaska Airlines
8.0
Very good
11,460 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Icelandair
7.0
Good
590 reviews
Alaska Airlines
8.0
Very good
11,460 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

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

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Iceland. It is only a 11.8 mi journey to San Francisco (SFO) from San Francisco’s city center.

  • How long is the flight from San Francisco to Iceland?

    A quick flight from San Francisco to Iceland can take about 33h 55m. Scandinavian Airlines provides one of the quickest options available for as low as $731. There are 4190 mi between San Francisco and Iceland.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $247. United Airlines flights start at $469 while deals on Delta start at $489 one-way.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from San Francisco to Iceland (average of $167). Flying from San Francisco to Iceland in January is currently the most expensive (average of $784). 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 8 airlines flying from San Francisco to Iceland

Discover the top 8 airlines that operate flights from San Francisco to Iceland. 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$537Average$713FlexibilityNo cancel feeOn-time60%
DeltaCheapest$556Average$793FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$650Average$837FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$655Average$830FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$684Average$921FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$698Average$765FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$831Average$1,066FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$973Average$1,171FlexibilityNo cancel feeOn-time75%

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