Iceland

$298+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KEF
Jun 15 — Jun 221
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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 May 16, 2026.

This Trip.com deal was found by Cheapflights users on 5/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 am
SFO
-
KEF
1 stop18h 40m
WestJet
Mon 8/249:00 am
KEF
-
SFO
1 stop14h 40m
WestJet
Deal found 5/16$618
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.
Tue 9/16:00 am
SFO
-
KEF
1 stop18h 40m
WestJet
Sun 9/69:00 am
KEF
-
SFO
1 stop14h 40m
WestJet
Deal found 5/13$635
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:00 am
SFO
-
KEF
1 stop18h 40m
WestJet
Tue 6/309:00 am
KEF
-
SFO
1 stop14h 40m
WestJet
Deal found 5/15$641
This Trip.com deal was found by Cheapflights users on 5/11. 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 7/66:00 am
SFO
-
KEF
1 stop18h 40m
WestJet
Wed 7/229:00 am
KEF
-
SFO
1 stop19h 55m
WestJet
Deal found 5/11$645
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
SFO
-
KEF
1 stop18h 40m
WestJet
Tue 9/159:00 am
KEF
-
SFO
1 stop19h 55m
WestJet
Deal found 5/15$651
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:05 pm
SFO
-
KEF
1 stop30h 35m
WestJet
Fri 9/49:00 am
KEF
-
SFO
1 stop34h 00m
WestJet
Deal found 5/15$652
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
SFO
-
KEF
1 stop18h 40m
WestJet
Tue 9/19:00 am
KEF
-
SFO
1 stop14h 40m
WestJet
Deal found 5/15$659
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:05 pm
SFO
-
KEF
1 stop30h 35m
WestJet
Tue 8/259:00 am
KEF
-
SFO
1 stop14h 40m
WestJet
Deal found 5/15$660
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:00 pm
SFO
-
KEF
1 stop11h 40m
WestJet
Fri 8/289:00 am
KEF
-
SFO
1 stop19h 55m
WestJet
Deal found 5/15$661
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:00 am
SFO
-
KEF
1 stop18h 40m
WestJet
Tue 7/219:00 am
KEF
-
SFO
1 stop34h 00m
WestJet
Deal found 5/15$662
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
SFO
-
KEF
1 stop18h 40m
WestJet
Thu 7/309:00 am
KEF
-
SFO
1 stop14h 40m
WestJet
Deal found 5/16$664

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 May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$618
(Trip.com)

One-way from

$298
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$878
Provider with most accurate pricing for San Francisco-Reykjavik (REK) flight deals.
Provider most trusted by Cheapflights users for San Francisco-Reykjavik (REK) flights.
From San Francisco to Iceland
One-way flight from San Francisco to Iceland
Highest demand for flights based on searches. 7% potential increase in price ($77 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 16, 2026.
Use the filters below to find and compare flights from San Francisco to Iceland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 11/6

4:45 pm-11:40 am

2 stops34h 55m

Reykjavik Keflavik Intl

Wed 11/11

11:30 am-2:50 pm

2 stops35h 20m

$857
Quickest round-trip

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 7/26

6:03 am-9:00 am

1 stop19h 57m

Reykjavik Keflavik Intl

Wed 8/5

12:45 pm-10:55 pm

1 stop17h 10m

$886

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 8/17

4:45 pm-5:20 pm

2 stops17h 35m

Reykjavik Keflavik Intl

Fri 8/28

7:55 am-12:36 am

2 stops23h 41m

$940

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 8/28

4:45 pm-6:45 pm

2 stops19h 00m

Reykjavik Keflavik Intl

Tue 9/8

11:15 am-2:40 pm

2 stops34h 25m

$941

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Wed 9/16

5:05 am-8:50 am

1 stop20h 45m

Reykjavik Keflavik Intl

Tue 10/13

10:00 am-2:52 pm

2 stops35h 52m

$966

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 9/1

4:45 pm-10:25 am

2 stops34h 40m

Reykjavik Keflavik Intl

Fri 9/11

7:55 am-2:40 pm

2 stops37h 45m

$971

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 7/5

10:38 pm-8:50 am

1 stop27h 12m

Reykjavik Keflavik Intl

Tue 7/14

9:15 am-11:21 am

1 stop33h 06m

$978

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 7/31

4:21 pm-8:50 am

1 stop33h 29m

Reykjavik Keflavik Intl

Mon 8/17

9:15 am-11:21 am

1 stop33h 06m

$1,090

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 8/4

11:59 pm-7:00 am

1 stop24h 01m

Reykjavik Keflavik Intl

Mon 8/17

9:15 am-11:21 am

1 stop33h 06m

$1,103
Cheapest one-way

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 8/21

6:05 pm-6:55 am

2 stops29h 50m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 21 resultsSorted by cheapest first
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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

How far ahead should I book a flight from San Francisco to Iceland?

To ensure you get the cheapest price possible for a flight from San Francisco to Iceland, you should look to book at least 9 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, June is the cheapest month in which you can book a flight from San Francisco to Iceland (average of $137). Flying from San Francisco to Iceland in January is currently the most expensive (average of $633). 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.

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 May 16, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited 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.

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

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 11.0 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 19h 57m. Scandinavian Airlines provides one of the quickest options available for as low as $886. There are 4190 mi between San Francisco and Iceland. This flight may include one or multiple stops.

  • 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 $446 while deals on Icelandair start at $456 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, June is the cheapest month in which you can book a flight from San Francisco to Iceland (average of $137). Flying from San Francisco to Iceland in January is currently the most expensive (average of $633). 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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Alternative routes for San Francisco to Iceland

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

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 May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$212Average$888FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$551Average$882FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$642Average$806FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$652Average$798FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$682Average$904FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$698Average$803FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$771Average$1,058FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$845Average$1,061FlexibilityNo cancel feeOn-time75%

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