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Cheap flights from San Francisco to Reykjavik from $297

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 7/6. 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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Find the cheapest flights from San Francisco to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:00 am - 7:40 am
SFO
-
KEF
18h 40m
1 stop
WestJet Logo
9:00 am - 9:55 pm
KEF
-
SFO
19h 55m
1 stop
$619WestJet
Tue, Jul 14 - Tue, Jul 21
WestJet Logo
6:00 am - 7:40 am
SFO
-
KEF
18h 40m
1 stop
WestJet Logo
9:00 am - 9:55 pm
KEF
-
SFO
19h 55m
1 stop
$623WestJet
Mon, Jun 29 - Tue, Jul 14
WestJet Logo
6:00 am - 7:40 am
SFO
-
KEF
18h 40m
1 stop
WestJet Logo
9:00 am - 4:40 pm
KEF
-
SFO
14h 40m
1 stop
$637WestJet
Mon, Jun 22 - Wed, Jul 1
WestJet Logo
6:00 am - 7:40 am
SFO
-
KEF
18h 40m
1 stop
WestJet Logo
9:00 am - 9:55 pm
KEF
-
SFO
19h 55m
1 stop
$649WestJet
Mon, Jul 6 - Mon, Jul 20
WestJet Logo
6:00 am - 7:40 am
SFO
-
KEF
18h 40m
1 stop
WestJet Logo
9:00 am - 12:00 pm
KEF
-
SFO
34h 00m
1 stop
$661WestJet
Sun, Jul 12 - Wed, Jul 22
WestJet Logo
6:05 pm - 7:40 am
SFO
-
KEF
30h 35m
1 stop
WestJet Logo
9:00 am - 9:55 pm
KEF
-
SFO
19h 55m
1 stop
$662WestJet
Mon, Jul 13 - Mon, Jul 20
Multiple Airlines Logo
6:45 pm - 7:40 am
SFO
-
KEF
29h 55m
3 stops
Multiple Airlines Logo
9:00 am - 9:55 pm
KEF
-
SFO
19h 55m
1 stop
$676Multiple Airlines
Mon, Jul 13 - Mon, Jul 20
WestJet Logo
6:00 am - 7:40 am
SFO
-
KEF
18h 40m
1 stop
WestJet Logo
9:00 am - 4:40 pm
KEF
-
SFO
14h 40m
1 stop
$679WestJet
Mon, Jun 22 - Wed, Jul 1
Multiple Airlines Logo
6:45 pm - 7:40 am
SFO
-
KEF
29h 55m
2 stops
Multiple Airlines Logo
9:00 am - 9:55 pm
KEF
-
SFO
19h 55m
1 stop
$694Multiple Airlines
Mon, Jul 13 - Mon, Jul 20
Multiple Airlines Logo
6:35 am - 7:40 am
SFO
-
KEF
18h 05m
2 stops
Multiple Airlines Logo
9:00 am - 4:40 pm
KEF
-
SFO
14h 40m
1 stop
$699Multiple Airlines
Tue, Jul 14 - Tue, Jul 21

WestJet flights from San Francisco to Reykjavik Keflavik Intl Airport

Our best WestJet deals on San Francisco to Reykjavik Keflavik Intl Airport flight tickets
WestJet
Jul 14
SFO6:00 amSan Francisco
18h 40m
1 stop
KEF7:40 amReykjavik Keflavik Intl
Jul 21
KEF9:00 amReykjavik Keflavik Intl
19h 55m
1 stop
SFO9:55 pmSan Francisco
$619
WestJet
Jun 29
SFO6:00 amSan Francisco
18h 40m
1 stop
KEF7:40 amReykjavik Keflavik Intl
Jul 14
KEF9:00 amReykjavik Keflavik Intl
19h 55m
1 stop
SFO9:55 pmSan Francisco
$623
WestJet
Jun 22
SFO6:00 amSan Francisco
18h 40m
1 stop
KEF7:40 amReykjavik Keflavik Intl
Jul 1
KEF9:00 amReykjavik Keflavik Intl
14h 40m
1 stop
SFO4:40 pmSan Francisco
$637

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
SFO4:45 pmSan Francisco
34h 40m
2 stops
KEF10:25 amReykjavik Keflavik Intl
May 14
KEF5:35 pmReykjavik Keflavik Intl
28h 05m
1 stop
SFO2:40 pmSan Francisco
$855
Scandinavian Airlines
May 10
SFO4:45 pmSan Francisco
34h 40m
2 stops
KEF10:25 amReykjavik Keflavik Intl
May 13
KEF1:25 amReykjavik Keflavik Intl
20h 15m
1 stop
SFO2:40 pmSan Francisco
$879
Scandinavian Airlines
May 10
SFO4:45 pmSan Francisco
34h 40m
2 stops
KEF10:25 amReykjavik Keflavik Intl
May 18
KEF8:10 pmReykjavik Keflavik Intl
25h 30m
2 stops
SFO2:40 pmSan Francisco
$937

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 April 28, 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 7/14

6:00 am-7:40 am

1 stop18h 40m

Reykjavik Keflavik Intl

Tue 7/21

9:00 am-9:55 pm

1 stop19h 55m

$619

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 6/29

6:00 am-7:40 am

1 stop18h 40m

Reykjavik Keflavik Intl

Tue 7/14

9:00 am-9:55 pm

1 stop19h 55m

$623

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 6/22

6:00 am-7:40 am

1 stop18h 40m

Reykjavik Keflavik Intl

Wed 7/1

9:00 am-4:40 pm

1 stop14h 40m

$637

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 7/6

6:00 am-7:40 am

1 stop18h 40m

Reykjavik Keflavik Intl

Mon 7/20

9:00 am-9:55 pm

1 stop19h 55m

$649

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 7/12

6:00 am-7:40 am

1 stop18h 40m

Reykjavik Keflavik Intl

Wed 7/22

9:00 am-12:00 pm

1 stop34h 00m

$661

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 7/13

6:05 pm-7:40 am

1 stop30h 35m

Reykjavik Keflavik Intl

Mon 7/20

9:00 am-9:55 pm

1 stop19h 55m

$662

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 7/13

6:45 pm-7:40 am

3 stops29h 55m

Reykjavik Keflavik Intl

Mon 7/20

9:00 am-9:55 pm

1 stop19h 55m

$676

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 6/22

6:00 am-7:40 am

1 stop18h 40m

Reykjavik Keflavik Intl

Wed 7/1

9:00 am-4:40 pm

1 stop14h 40m

$679

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 7/13

6:45 pm-7:40 am

2 stops29h 55m

Reykjavik Keflavik Intl

Mon 7/20

9:00 am-9:55 pm

1 stop19h 55m

$694
Quickest round-trip

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 7/14

6:35 am-7:40 am

2 stops18h 05m

Reykjavik Keflavik Intl

Tue 7/21

9:00 am-4:40 pm

1 stop14h 40m

$699

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 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 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 $778.

How far in advance should I book a flight from San Francisco 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 $950 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 $744 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

10h 35m

Direct flights

None
The fastest flight from San Francisco to Reykjavik Keflavik Intl Airport takes 10h 35m
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

Frequently asked questions about flying from San Francisco to Reykjavik Keflavik Intl Airport

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

    San Francisco and Reykjavik Keflavik Intl are 4181.1 mi apart from one another. In terms of flight time, this usually takes a little over 10h 35m.

  • 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
8,467 reviews
Search Delta flights
WestJetPriceFrom $538Free CancellationRating
7.2
3,328 reviews
Search WestJet flights
Air CanadaPriceFrom $642Free CancellationRating
7.1
10,977 reviews
Search Air Canada flights
Air FrancePriceFrom $652Free CancellationRating
7.4
1,580 reviews
Search Air France flights
United AirlinesPriceFrom $682Free CancellationRating
7.4
9,678 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $698Free CancellationRating
7.4
1,762 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $771Free CancellationRating
7.0
646 reviews
Search Icelandair flights
Alaska AirlinesPriceFrom $845Free CancellationRating
7.9
12,313 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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