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Cheap flights from San Francisco to Reykjavik from $318

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 1/22. 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.
Multiple Airlines Logo
6:15 am - 6:05 amSFO-KEF
15h 50m1 stop
Multiple Airlines Logo
4:55 pm - 11:41 pmKEF-SFO
14h 46m1 stop
$524Multiple Airlines
Find Deal
Fri, Jan 23 - Tue, Jan 27
Multiple Airlines Logo
6:15 am - 6:05 amSFO-KEF
15h 50m1 stop
Multiple Airlines Logo
4:55 pm - 11:41 pmKEF-SFO
14h 46m1 stop
$551Multiple Airlines
Find Deal
Fri, Jan 23 - Tue, Jan 27
Multiple Airlines Logo
6:15 am - 6:05 amSFO-KEF
15h 50m1 stop
Multiple Airlines Logo
4:55 pm - 8:49 amKEF-SFO
23h 54m2 stops
$579Multiple Airlines
Find Deal
Fri, Jan 23 - Tue, Jan 27
Multiple Airlines Logo
9:00 am - 6:15 amSFO-KEF
13h 15m1 stop
Multiple Airlines Logo
5:00 pm - 11:03 pmKEF-SFO
14h 03m1 stop
$583Multiple Airlines
Find Deal
Sun, Jan 18 - Tue, Jan 27
Multiple Airlines Logo
9:00 am - 6:15 amSFO-KEF
13h 15m1 stop
Multiple Airlines Logo
5:00 pm - 11:03 pmKEF-SFO
14h 03m1 stop
$588Multiple Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
7:00 am - 6:15 amSFO-KEF
15h 15m1 stop
Multiple Airlines Logo
5:00 pm - 9:58 pmKEF-SFO
12h 58m1 stop
$599Multiple Airlines
Find Deal
Sat, Jan 31 - Mon, Feb 9
Multiple Airlines Logo
9:00 am - 6:15 amSFO-KEF
13h 15m1 stop
Multiple Airlines Logo
5:00 pm - 11:03 pmKEF-SFO
14h 03m1 stop
$600Multiple Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
6:30 am - 6:15 amSFO-KEF
15h 45m1 stop
Multiple Airlines Logo
5:30 pm - 10:56 pmKEF-SFO
12h 26m1 stop
$605Multiple Airlines
Find Deal
Sat, Mar 7 - Sat, Mar 14
Multiple Airlines Logo
9:00 am - 6:15 amSFO-KEF
13h 15m1 stop
Multiple Airlines Logo
5:00 pm - 9:58 pmKEF-SFO
12h 58m1 stop
$634Multiple Airlines
Find Deal
Thu, Jan 29 - Sun, Feb 1
Scandinavian Airlines Logo
7:00 am - 4:15 pmSFO-KEF
26h 15m2 stops
Scandinavian Airlines Logo
5:35 pm - 2:40 pmKEF-SFO
28h 05m1 stop
$640Scandinavian Airlines
Find Deal
Sun, May 10 - Thu, May 14

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
May 10
SFO7:00 amSan Francisco
26h 15m
2 stops
KEF4:15 pmReykjavik Keflavik Intl
May 14
KEF5:35 pmReykjavik Keflavik Intl
28h 05m
1 stop
SFO2:40 pmSan Francisco
$640
Find similar
Scandinavian Airlines
May 10
SFO7:00 amSan Francisco
26h 15m
2 stops
KEF4:15 pmReykjavik Keflavik Intl
May 13
KEF1:25 amReykjavik Keflavik Intl
20h 15m
1 stop
SFO2:40 pmSan Francisco
$650
Find similar
Scandinavian Airlines
Mar 14
SFO4:03 pmSan Francisco
24h 17m
2 stops
KEF11:20 pmReykjavik Keflavik Intl
Mar 19
KEF11:30 amReykjavik Keflavik Intl
35h 05m
2 stops
SFO3:35 pmSan Francisco
$653
Find similar

Lufthansa flights from San Francisco to Reykjavik Keflavik Intl Airport

Our best Lufthansa deals on San Francisco to Reykjavik Keflavik Intl Airport flight tickets
Lufthansa
Dec 2
SFO9:40 pmSan Francisco
32h 35m
1 stop
KEF2:15 pmReykjavik Keflavik Intl
Dec 9
KEF3:20 pmReykjavik Keflavik Intl
29h 20m
1 stop
SFO12:40 pmSan Francisco
$954
Find similar
Lufthansa
Dec 2
SFO9:40 pmSan Francisco
32h 35m
1 stop
KEF2:15 pmReykjavik Keflavik Intl
Dec 9
KEF3:20 pmReykjavik Keflavik Intl
29h 20m
1 stop
SFO12:40 pmSan Francisco
$955
Find similar
Lufthansa
Dec 14
SFO2:50 pmSan Francisco
39h 30m
2 stops
KEF2:20 pmReykjavik Keflavik Intl
Dec 23
KEF3:10 pmReykjavik Keflavik Intl
36h 25m
1 stop
SFO7:35 pmSan Francisco
$1,197
Find similar

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 November 30, 2025.
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

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 1/23

6:15 am-6:05 am

1 stop15h 50m

Reykjavik Keflavik Intl

Tue 1/27

4:55 pm-11:41 pm

1 stop14h 46m

$524

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 1/23

6:15 am-6:05 am

1 stop15h 50m

Reykjavik Keflavik Intl

Tue 1/27

4:55 pm-11:41 pm

1 stop14h 46m

$551

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 1/23

6:15 am-6:05 am

1 stop15h 50m

Reykjavik Keflavik Intl

Tue 1/27

4:55 pm-8:49 am

2 stops23h 54m

$579

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 1/18

9:00 am-6:15 am

1 stop13h 15m

Reykjavik Keflavik Intl

Tue 1/27

5:00 pm-11:03 pm

1 stop14h 03m

$583

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Wed 1/14

9:00 am-6:15 am

1 stop13h 15m

Reykjavik Keflavik Intl

Wed 1/21

5:00 pm-11:03 pm

1 stop14h 03m

$588

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sat 1/31

7:00 am-6:15 am

1 stop15h 15m

Reykjavik Keflavik Intl

Mon 2/9

5:00 pm-9:58 pm

1 stop12h 58m

$599

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Wed 1/14

9:00 am-6:15 am

1 stop13h 15m

Reykjavik Keflavik Intl

Wed 1/21

5:00 pm-11:03 pm

1 stop14h 03m

$600

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sat 3/7

6:30 am-6:15 am

1 stop15h 45m

Reykjavik Keflavik Intl

Sat 3/14

5:30 pm-10:56 pm

1 stop12h 26m

$605

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Thu 1/29

9:00 am-6:15 am

1 stop13h 15m

Reykjavik Keflavik Intl

Sun 2/1

5:00 pm-9:58 pm

1 stop12h 58m

$634

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 5/10

7:00 am-4:15 pm

2 stops26h 15m

Reykjavik Keflavik Intl

Thu 5/14

5:35 pm-2:40 pm

1 stop28h 05m

$640

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between San Francisco and Reykjavik Keflavik Intl Airport?

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

The month of August is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from San Francisco, with most prices found around $792. If you’re not able to fly to Reykjavik Keflavik Intl Airport in August, then February is your next best option. Flight prices from San Francisco to Reykjavik Keflavik Intl Airport during February average around $856.

What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest day to depart from San Francisco to Reykjavik Keflavik Intl Airport is on a Monday when prices can be found for as low as $931. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Saturday, with ticket prices averaging around $1,099.

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is in the evening when flights can be purchased for as low as $897. Flights at noon are often more expensive with an average ticket price of $1,077.

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 $1,017 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 $746 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

11h 45m

Direct flights

None
The fastest flight from San Francisco to Reykjavik Keflavik Intl Airport takes 11h 45m
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 13h 15m.

  • 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
WestJetPriceFrom $537Free CancellationRating
7.2
3,183 reviews
Search WestJet flights
DeltaPriceFrom $556Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $649Free CancellationRating
7.4
1,590 reviews
Search Scandinavian Airlines flights
Air CanadaPriceFrom $650Free CancellationRating
7.1
10,484 reviews
Search Air Canada flights
Air FrancePriceFrom $655Free CancellationRating
7.4
1,500 reviews
Search Air France flights
United AirlinesPriceFrom $684Free CancellationRating
7.4
9,057 reviews
Search United Airlines flights
IcelandairPriceFrom $831Free CancellationRating
7.0
582 reviews
Search Icelandair flights
Alaska AirlinesPriceFrom $1,022Free CancellationRating
8.0
11,375 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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