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$310+ Cheap flights from Iceland 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SFO
Aug 11 — Aug 181
Tue 8/11
Tue 8/18
1 adult, Economy
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Cheap flight deals from Iceland to San Francisco

Cheapest flights from Iceland to San Francisco
Explore the most affordable flight options available from Iceland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/119:00 am
KEF
-
SFO
2 stops38h 06m
Multiple Airlines
Tue 8/186:00 am
SFO
-
KEF
1 stop18h 40m
Multiple Airlines
Deal found 7/10$649
This Trip.com deal was found by Cheapflights users on 7/8. 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 8/219:00 am
KEF
-
SFO
1 stop19h 55m
WestJet
Thu 9/36:00 am
SFO
-
KEF
1 stop18h 40m
WestJet
Deal found 7/8$691
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/119:00 am
KEF
-
SFO
1 stop34h 00m
WestJet
Tue 8/181:00 pm
SFO
-
KEF
1 stop11h 40m
WestJet
Deal found 7/12$706
This Mytrip deal was found by Cheapflights users on 7/9. 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.
Mon 8/319:00 am
KEF
-
SFO
1 stop19h 55m
Multiple Airlines
Tue 9/157:30 pm
SFO
-
KEF
3 stops29h 10m
Multiple Airlines
Deal found 7/9$736

Find flight deals from Iceland to San Francisco

Keep the following information in mind while searching for Iceland to San Francisco flight deals. Data was last updated July 12, 2026.

Round-trip from

$649
(Kiwi.com)

One-way from

$310
(Kiwi.com)
From Iceland to San Francisco
Search Deals
One-way flight from Iceland to San Francisco
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Iceland 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 July 12, 2026.
Use the filters below to find and compare flights from Iceland to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Tue 8/11

9:00 am-4:06 pm

2 stops38h 06m

San Francisco

Tue 8/18

6:00 am-7:40 am

1 stop18h 40m

$649
Quickest round-trip

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Fri 8/21

9:00 am-9:55 pm

1 stop19h 55m

San Francisco

Thu 9/3

6:00 am-7:40 am

1 stop18h 40m

$691

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Tue 8/11

9:00 am-9:55 pm

1 stop19h 55m

San Francisco

Tue 8/18

6:00 am-7:40 am

1 stop18h 40m

$725

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Mon 8/31

9:00 am-9:55 pm

1 stop19h 55m

San Francisco

Tue 9/15

7:30 pm-7:40 am

3 stops29h 10m

$736
Cheapest one-way

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Mon 8/31

9:00 am-9:55 pm

1 stop19h 55m

$310

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Tue 9/1

9:00 am-6:32 pm

2 stops16h 32m

$342

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Fri 7/24

9:00 am-12:00 pm

1 stop34h 00m

$603

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Sun 9/27

11:50 pm-3:55 pm

3 stops47h 05m

$627

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Sat 8/1

9:30 am-9:55 pm

3 stops19h 25m

$649
Quickest one-way

ReykjavikSan Francisco

KEF - SFO

KEFSFO

Reykjavik Keflavik Intl

Fri 9/18

4:50 pm-9:39 pm

1 stop11h 49m

$686

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Iceland to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Iceland 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 Iceland to San Francisco
No data available for this route at this time. Please check back soon.

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 July 12, 2026.
Get a feel of what it's like to fly with Icelandair from Iceland to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
704 reviews

Food

6.2

Boarding

7.2

Crew

8.0

Entertainment

6.9

Overall

7.0

Comfort

6.9

Reviews

1 / 20
6.0
Good

Sara,Jul 2026

KEF - IAD

It was frustrating to be seated next to two children whose parents were not immediately adjacent to them. The parents were disengaged with their kids and I ended up having to assist/direct children who were not my own.
Icelandair
7.0
Good
704 reviews
Icelandair
7.0
Good
704 reviews

Food

6.2

Boarding

7.2

Crew

8.0

Entertainment

6.9

Overall

7.0

Comfort

6.9

Reviews

1 / 20
6.0
Good

Sara,Jul 2026

KEF - IAD

It was frustrating to be seated next to two children whose parents were not immediately adjacent to them. The parents were disengaged with their kids and I ended up having to assist/direct children who were not my own.

Related info for your journey

Find useful and relevant information for your journey from Iceland 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 Iceland?

    San Francisco (SFO) is the airport you will fly into if you book a flight from Iceland to San Francisco. It is only a 11.0 mi journey from San Francisco (SFO) to San Francisco’s city center.

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

    WestJet can get you from Iceland to San Francisco in just under 19h 55m. Your travel time can differ by up to . The distance between Iceland and San Francisco is about 4190 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Iceland 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.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Clara
Santa Cruz
Fairfield
Burlingame
Redwood City
Rancho Cordova
Roseville
Cupertino
Emeryville
Newark
San Bruno
Watsonville
Hayward
San Ramon
San Carlos
Turlock
Vallejo
San Lorenzo
Davis

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Iceland to San Francisco

Discover the top airline that operate flights from Iceland to San Francisco. 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 July 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$883Average$963FlexibilityNo cancel feeOn-time76%

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