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Cheap flights from San Francisco to Reykjavik from $351

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Reykjavik departing on 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Francisco to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
4:45 pm - 12:35 am
SFO
-
KEF
24h 50m
1 stop
Scandinavian Airlines Logo
10:30 am - 2:40 pm
KEF
-
SFO
35h 10m
1 stop
$779Scandinavian Airlines
Tue, Aug 25 - Mon, Sep 7
Scandinavian Airlines Logo
7:05 am - 4:15 pm
SFO
-
KEF
26h 10m
2 stops
Scandinavian Airlines Logo
5:05 pm - 2:40 pm
KEF
-
SFO
28h 35m
1 stop
$782Scandinavian Airlines
Sat, May 2 - Wed, May 6
Icelandair Logo
10:25 am - 8:10 am
SFO
-
KEF
14h 45m
1 stop
Icelandair Logo
7:50 pm - 11:52 am
KEF
-
SFO
23h 02m
1 stop
$783Icelandair
Wed, Sep 2 - Fri, Sep 11
Scandinavian Airlines Logo
4:45 pm - 12:35 am
SFO
-
KEF
24h 50m
1 stop
Scandinavian Airlines Logo
5:05 pm - 2:40 pm
KEF
-
SFO
28h 35m
1 stop
$785Scandinavian Airlines
Thu, Aug 27 - Fri, Sep 4
Scandinavian Airlines Logo
4:45 pm - 9:40 am
SFO
-
KEF
33h 55m
1 stop
Scandinavian Airlines Logo
6:35 pm - 2:40 pm
KEF
-
SFO
27h 05m
2 stops
$788Scandinavian Airlines
Tue, Sep 1 - Sat, Sep 19
Icelandair Logo
6:00 am - 8:10 am
SFO
-
KEF
19h 10m
1 stop
Icelandair Logo
7:50 pm - 9:11 am
KEF
-
SFO
20h 21m
1 stop
$789Icelandair
Sat, May 30 - Mon, Jun 15
Scandinavian Airlines Logo
4:45 pm - 4:15 pm
SFO
-
KEF
16h 30m
1 stop
Scandinavian Airlines Logo
5:05 pm - 2:40 pm
KEF
-
SFO
28h 35m
1 stop
$790Scandinavian Airlines
Wed, Sep 2 - Mon, Sep 14
Icelandair Logo
11:59 pm - 8:10 am
SFO
-
KEF
25h 11m
1 stop
Icelandair Logo
7:55 pm - 10:06 am
KEF
-
SFO
21h 11m
1 stop
$791Icelandair
Mon, Jun 1 - Wed, Jun 24
Icelandair Logo
6:00 am - 8:10 am
SFO
-
KEF
19h 10m
1 stop
Icelandair Logo
7:50 pm - 9:11 am
KEF
-
SFO
20h 21m
1 stop
$792Icelandair
Tue, Jun 9 - Mon, Jun 22
Scandinavian Airlines Logo
4:45 pm - 10:25 am
SFO
-
KEF
34h 40m
2 stops
Scandinavian Airlines Logo
5:10 pm - 2:40 pm
KEF
-
SFO
28h 30m
1 stop
$793Scandinavian Airlines
Sun, Apr 19 - Sat, Apr 25

Scandinavian Airlines flights from San Francisco to Reykjavik Keflavik Intl Airport

Our best Scandinavian Airlines deals on San Francisco to Reykjavik Keflavik Intl Airport flight tickets
Scandinavian Airlines
Apr 15
SFO11:00 amSan Francisco
39h 40m
2 stops
KEF9:40 amReykjavik Keflavik Intl
Apr 19
KEF5:05 pmReykjavik Keflavik Intl
28h 35m
1 stop
SFO2:40 pmSan Francisco
$779
Scandinavian Airlines
Apr 19
SFO4:45 pmSan Francisco
34h 40m
2 stops
KEF10:25 amReykjavik Keflavik Intl
Apr 25
KEF5:10 pmReykjavik Keflavik Intl
28h 30m
1 stop
SFO2:40 pmSan Francisco
$793
Scandinavian Airlines
Mar 23
SFO5:40 pmSan Francisco
16h 10m
1 stop
KEF4:50 pmReykjavik Keflavik Intl
Mar 30
KEF10:30 amReykjavik Keflavik Intl
35h 10m
1 stop
SFO2:40 pmSan Francisco
$794

Icelandair flights from San Francisco to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on San Francisco to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
Jun 1
SFO11:59 pmSan Francisco
25h 11m
1 stop
KEF8:10 amReykjavik Keflavik Intl
Jun 7
KEF7:55 pmReykjavik Keflavik Intl
31h 26m
1 stop
SFO8:21 pmSan Francisco
$788
Icelandair
May 30
SFO6:00 amSan Francisco
19h 10m
1 stop
KEF8:10 amReykjavik Keflavik Intl
Jun 15
KEF7:50 pmReykjavik Keflavik Intl
20h 21m
1 stop
SFO9:11 amSan Francisco
$789
Icelandair
Jun 1
SFO11:59 pmSan Francisco
25h 11m
1 stop
KEF8:10 amReykjavik Keflavik Intl
Jun 24
KEF7:55 pmReykjavik Keflavik Intl
21h 11m
1 stop
SFO10:06 amSan Francisco
$791

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Reykjavik Keflavik Intl Airport 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, momondo users made 832,500 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from San Francisco to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 8/25

4:45 pm-12:35 am

1 stop24h 50m

Reykjavik Keflavik Intl

Mon 9/7

10:30 am-2:40 pm

1 stop35h 10m

$779

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sat 5/2

7:05 am-4:15 pm

2 stops26h 10m

Reykjavik Keflavik Intl

Wed 5/6

5:05 pm-2:40 pm

1 stop28h 35m

$782
Quickest round-trip

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Wed 9/2

10:25 am-8:10 am

1 stop14h 45m

Reykjavik Keflavik Intl

Fri 9/11

7:50 pm-11:52 am

1 stop23h 02m

$783

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Thu 8/27

4:45 pm-12:35 am

1 stop24h 50m

Reykjavik Keflavik Intl

Fri 9/4

5:05 pm-2:40 pm

1 stop28h 35m

$785

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 9/1

4:45 pm-9:40 am

1 stop33h 55m

Reykjavik Keflavik Intl

Sat 9/19

6:35 pm-2:40 pm

2 stops27h 05m

$788

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sat 5/30

6:00 am-8:10 am

1 stop19h 10m

Reykjavik Keflavik Intl

Mon 6/15

7:50 pm-9:11 am

1 stop20h 21m

$789

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Wed 9/2

4:45 pm-4:15 pm

1 stop16h 30m

Reykjavik Keflavik Intl

Mon 9/14

5:05 pm-2:40 pm

1 stop28h 35m

$790

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 6/1

11:59 pm-8:10 am

1 stop25h 11m

Reykjavik Keflavik Intl

Wed 6/24

7:55 pm-10:06 am

1 stop21h 11m

$791

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 6/9

6:00 am-8:10 am

1 stop19h 10m

Reykjavik Keflavik Intl

Mon 6/22

7:50 pm-9:11 am

1 stop20h 21m

$792

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 4/19

4:45 pm-10:25 am

2 stops34h 40m

Reykjavik Keflavik Intl

Sat 4/25

5:10 pm-2:40 pm

1 stop28h 30m

$793

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Reykjavik from

How to get the cheapest flight ticket from San Francisco to Reykjavik Keflavik Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Reykjavik Keflavik Intl Airport?

The month of December is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from San Francisco, with most prices found around $740. If you’re not able to fly to Reykjavik Keflavik Intl Airport in December, then August is your next best option. Flight prices from San Francisco to Reykjavik Keflavik Intl Airport during August average around $779.

How far in advance should I book a flight to Reykjavik Keflavik Intl Airport?

You are more likely to see cheaper flights to Reykjavik Keflavik Intl Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik Keflavik Intl Airport for around $932 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Reykjavik Keflavik Intl Airport from San Francisco for as low as $728 on momondo.

When to book flights from San Francisco to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Reykjavik Keflavik Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Reykjavik Keflavik Intl Airport (SFO to KEF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Reykjavik Keflavik Intl Airport

Fastest flight time

12h 50m

Direct flights

None
The fastest flight from San Francisco to Reykjavik Keflavik Intl Airport takes 12h 50m
There are no direct flights from San Francisco to Reykjavik Keflavik Intl Airport. There are no popular flight routes from San Francisco to Reykjavik Keflavik Intl Airport.
Search flight deals

  • How far is San Francisco to Reykjavik Keflavik Intl by plane?

    San Francisco and Reykjavik Keflavik Intl are 4180.8 mi apart from one another. In terms of flight time, this usually takes a little over 12h 50m.

  • When did momondo last update prices for flights from San Francisco Airport to Reykjavik Keflavik Intl Airport?

    Prices for flights from San Francisco Airport to Reykjavik Keflavik Intl Airport refresh daily.

  • How many operators does momondo search for flights from San Francisco Airport to Reykjavik Keflavik Intl Airport?

  • How old do you have to be to fly from San Francisco Airport to Reykjavik Keflavik Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The necessary travel and health documents for your Reykjavik Keflavik Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Francisco to Reykjavik Keflavik Intl Airport?

Best airlines flying from San Francisco to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from San Francisco to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $212Free CancellationRating
7.9
8,276 reviews
Search Delta flights
WestJetPriceFrom $537Free CancellationRating
7.2
3,288 reviews
Search WestJet flights
Air CanadaPriceFrom $642Free CancellationRating
7.1
10,800 reviews
Search Air Canada flights
United AirlinesPriceFrom $683Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $698Free CancellationRating
7.3
1,708 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom $699Free CancellationRating
7.4
1,543 reviews
Search Air France flights
IcelandairPriceFrom $774Free CancellationRating
7.1
619 reviews
Search Icelandair flights
Alaska AirlinesPriceFrom $891Free CancellationRating
8.0
12,018 reviews
Search Alaska Airlines flights

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
Hella
Hveragerdi
Borgarnes
Grindavik
Kopavogur

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Reykjavik?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Reykjavik from San Francisco.

Can I find flights from San Francisco to Reykjavik with flexible booking policies on momondo?

Flights from San Francisco to Reykjavik with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Francisco to Reykjavik?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Reykjavik from San Francisco.

I’m not ready to book a flight from San Francisco to Reykjavik right now. Can momondo alert me if prices change?

Price alerts on flights to Reykjavik from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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