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Cheap flights from San Francisco to Reykjavik from $346

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 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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 - 4:15 pm
SFO
-
KEF
16h 30m
1 stop
Scandinavian Airlines Logo
5:05 pm - 2:40 pm
KEF
-
SFO
28h 35m
1 stop
$641Scandinavian Airlines
Mon, Apr 20 - Mon, Apr 27
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
$642Scandinavian Airlines
Mon, Apr 20 - Sun, Apr 26
Scandinavian Airlines Logo
4:45 pm - 4:15 pm
SFO
-
KEF
16h 30m
1 stop
Scandinavian Airlines Logo
11:15 am - 2:40 pm
KEF
-
SFO
34h 25m
2 stops
$648Scandinavian Airlines
Mon, Apr 20 - Mon, Apr 27
Scandinavian Airlines Logo
4:45 pm - 4:15 pm
SFO
-
KEF
16h 30m
1 stop
Scandinavian Airlines Logo
5:10 pm - 2:40 pm
KEF
-
SFO
28h 30m
1 stop
$650Scandinavian Airlines
Sat, Apr 18 - Sat, Apr 25
Scandinavian Airlines Logo
4:45 pm - 10:25 am
SFO
-
KEF
34h 40m
2 stops
Scandinavian Airlines Logo
11:15 am - 2:40 pm
KEF
-
SFO
34h 25m
2 stops
$655Scandinavian Airlines
Mon, Apr 20 - Mon, Apr 27
Scandinavian Airlines Logo
4:45 pm - 5:45 pm
SFO
-
KEF
18h 00m
2 stops
Scandinavian Airlines Logo
5:05 pm - 2:40 pm
KEF
-
SFO
28h 35m
1 stop
$658Scandinavian Airlines
Fri, Apr 17 - Sun, Apr 26
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
$661Scandinavian Airlines
Sat, Apr 18 - Sun, Apr 26
Multiple Airlines Logo
6:15 am - 6:05 am
SFO
-
KEF
15h 50m
1 stop
Multiple Airlines Logo
4:55 pm - 12:28 am
KEF
-
SFO
15h 33m
1 stop
$665Multiple Airlines
Fri, Feb 27 - Fri, Mar 6
Scandinavian Airlines Logo
5:40 pm - 4:50 pm
SFO
-
KEF
16h 10m
1 stop
Scandinavian Airlines Logo
5:05 pm - 2:40 pm
KEF
-
SFO
28h 35m
1 stop
$671Scandinavian Airlines
Mon, Mar 23 - Wed, Apr 8
Scandinavian Airlines Logo
4:40 pm - 4:50 pm
SFO
-
KEF
16h 10m
1 stop
Scandinavian Airlines Logo
11:30 am - 3:35 pm
KEF
-
SFO
35h 05m
1 stop
$680Scandinavian Airlines
Mon, Mar 2 - Wed, Mar 11

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 20
SFO4:45 pmSan Francisco
16h 30m
1 stop
KEF4:15 pmReykjavik Keflavik Intl
Apr 27
KEF5:05 pmReykjavik Keflavik Intl
28h 35m
1 stop
SFO2:40 pmSan Francisco
$641
Scandinavian Airlines
Apr 20
SFO4:45 pmSan Francisco
16h 30m
1 stop
KEF4:15 pmReykjavik Keflavik Intl
Apr 26
KEF5:05 pmReykjavik Keflavik Intl
28h 35m
1 stop
SFO2:40 pmSan Francisco
$642
Scandinavian Airlines
Apr 20
SFO4:45 pmSan Francisco
16h 30m
1 stop
KEF4:15 pmReykjavik Keflavik Intl
Apr 27
KEF11:15 amReykjavik Keflavik Intl
34h 25m
2 stops
SFO2:40 pmSan Francisco
$648

Alaska Airlines flights from San Francisco to Reykjavik Keflavik Intl Airport

Our best Alaska Airlines deals on San Francisco to Reykjavik Keflavik Intl Airport flight tickets
Alaska Airlines
Feb 1
SFO7:00 amSan Francisco
15h 15m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Feb 3
KEF5:00 pmReykjavik Keflavik Intl
14h 03m
1 stop
SFO11:03 pmSan Francisco
$907
Alaska Airlines
Feb 1
SFO9:00 amSan Francisco
13h 15m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Feb 3
KEF5:00 pmReykjavik Keflavik Intl
24h 32m
2 stops
SFO9:32 amSan Francisco
$1,053
Alaska Airlines
Feb 6
SFO7:00 amSan Francisco
15h 15m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Feb 16
KEF5:00 pmReykjavik Keflavik Intl
27h 49m
2 stops
SFO12:49 pmSan Francisco
$1,183

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 January 29, 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

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 4/20

4:45 pm-4:15 pm

1 stop16h 30m

Reykjavik Keflavik Intl

Mon 4/27

5:05 pm-2:40 pm

1 stop28h 35m

$641

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 4/20

4:45 pm-4:15 pm

1 stop16h 30m

Reykjavik Keflavik Intl

Sun 4/26

5:05 pm-2:40 pm

1 stop28h 35m

$642

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 4/20

4:45 pm-4:15 pm

1 stop16h 30m

Reykjavik Keflavik Intl

Mon 4/27

11:15 am-2:40 pm

2 stops34h 25m

$648

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sat 4/18

4:45 pm-4:15 pm

1 stop16h 30m

Reykjavik Keflavik Intl

Sat 4/25

5:10 pm-2:40 pm

1 stop28h 30m

$650

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 4/20

4:45 pm-10:25 am

2 stops34h 40m

Reykjavik Keflavik Intl

Mon 4/27

11:15 am-2:40 pm

2 stops34h 25m

$655

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 4/17

4:45 pm-5:45 pm

2 stops18h 00m

Reykjavik Keflavik Intl

Sun 4/26

5:05 pm-2:40 pm

1 stop28h 35m

$658

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sat 4/18

4:45 pm-4:15 pm

1 stop16h 30m

Reykjavik Keflavik Intl

Sun 4/26

5:05 pm-2:40 pm

1 stop28h 35m

$661

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 2/27

6:15 am-6:05 am

1 stop15h 50m

Reykjavik Keflavik Intl

Fri 3/6

4:55 pm-12:28 am

1 stop15h 33m

$665

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 3/23

5:40 pm-4:50 pm

1 stop16h 10m

Reykjavik Keflavik Intl

Wed 4/8

5:05 pm-2:40 pm

1 stop28h 35m

$671

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 3/2

4:40 pm-4:50 pm

1 stop16h 10m

Reykjavik Keflavik Intl

Wed 3/11

11:30 am-3:35 pm

1 stop35h 05m

$680

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 February is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from San Francisco, with most prices found around $742. If you’re not able to fly to Reykjavik Keflavik Intl Airport in February, then August is your next best option. Flight prices from San Francisco to Reykjavik Keflavik Intl Airport during August average around $807.

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 $942 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 $738 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 21m

Direct flights

None
The fastest flight from San Francisco to Reykjavik Keflavik Intl Airport takes 12h 21m
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 21m.

  • 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
3,253 reviews
Search WestJet flights
DeltaPriceFrom $556Free CancellationRating
7.9
8,128 reviews
Search Delta flights
Air CanadaPriceFrom $650Free CancellationRating
7.1
10,667 reviews
Search Air Canada flights
Air FrancePriceFrom $655Free CancellationRating
7.4
1,528 reviews
Search Air France flights
United AirlinesPriceFrom $684Free CancellationRating
7.4
9,214 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $698Free CancellationRating
7.3
1,674 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $840Free CancellationRating
7.1
606 reviews
Search Icelandair flights
Alaska AirlinesPriceFrom $894Free CancellationRating
8.0
11,805 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
Borgarnes
Hveragerdi
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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