Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Reykjavik from $260

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 8/3. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:03 am - 9:00 am
SFO
-
KEF
19h 57m
1 stop
Alaska Airlines Logo
12:45 pm - 9:20 am
KEF
-
SFO
27h 35m
1 stop
$651Alaska Airlines
Mon, Jul 20 - Mon, Jul 27
Multiple Airlines Logo
2:20 pm - 9:00 am
SFO
-
KEF
11h 40m
1 stop
Multiple Airlines Logo
9:00 am - 12:00 pm
KEF
-
SFO
34h 00m
1 stop
$653Multiple Airlines
Mon, Jul 20 - Tue, Jul 28
Multiple Airlines Logo
2:20 pm - 9:00 am
SFO
-
KEF
11h 40m
1 stop
Multiple Airlines Logo
9:00 am - 9:00 pm
KEF
-
SFO
19h 00m
2 stops
$666Multiple Airlines
Tue, Aug 11 - Wed, Aug 26
Alaska Airlines Logo
6:03 am - 9:00 am
SFO
-
KEF
19h 57m
1 stop
Alaska Airlines Logo
12:45 pm - 7:52 pm
KEF
-
SFO
14h 07m
1 stop
$668Alaska Airlines
Sun, Jul 12 - Wed, Jul 22
Multiple Airlines Logo
2:20 pm - 9:00 am
SFO
-
KEF
11h 40m
1 stop
Multiple Airlines Logo
9:00 am - 6:23 pm
KEF
-
SFO
16h 23m
2 stops
$672Multiple Airlines
Tue, Aug 11 - Tue, Aug 25
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
$674WestJet
Mon, Aug 17 - Wed, Aug 26
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
$676WestJet
Tue, Aug 18 - Tue, Aug 25
Multiple Airlines Logo
1:00 pm - 7:40 am
SFO
-
KEF
11h 40m
1 stop
Multiple Airlines Logo
9:00 am - 6:32 pm
KEF
-
SFO
16h 32m
2 stops
$677Multiple Airlines
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
10:23 pm - 9:00 am
SFO
-
KEF
27h 37m
2 stops
Multiple Airlines Logo
9:00 am - 12:00 pm
KEF
-
SFO
34h 00m
1 stop
$678Multiple Airlines
Tue, Jul 7 - Tue, Jul 21
Multiple Airlines Logo
2:20 pm - 9:00 am
SFO
-
KEF
11h 40m
1 stop
Multiple Airlines Logo
9:00 am - 12:00 pm
KEF
-
SFO
34h 00m
1 stop
$679Multiple Airlines
Tue, Aug 11 - Mon, Aug 24

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
Jul 20
SFO6:03 amSan Francisco
19h 57m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Jul 27
KEF12:45 pmReykjavik Keflavik Intl
27h 35m
1 stop
SFO9:20 amSan Francisco
$651
Alaska Airlines
Jul 12
SFO6:03 amSan Francisco
19h 57m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Jul 22
KEF12:45 pmReykjavik Keflavik Intl
14h 07m
1 stop
SFO7:52 pmSan Francisco
$668
Alaska Airlines
Aug 18
SFO5:38 pmSan Francisco
32h 22m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Aug 25
KEF12:45 pmReykjavik Keflavik Intl
15h 45m
1 stop
SFO9:30 pmSan Francisco
$697

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
Aug 17
SFO6:00 amSan Francisco
18h 40m
1 stop
KEF7:40 amReykjavik Keflavik Intl
Aug 26
KEF9:00 amReykjavik Keflavik Intl
19h 55m
1 stop
SFO9:55 pmSan Francisco
$674
WestJet
Aug 18
SFO6:00 amSan Francisco
18h 40m
1 stop
KEF7:40 amReykjavik Keflavik Intl
Aug 25
KEF9:00 amReykjavik Keflavik Intl
14h 40m
1 stop
SFO4:40 pmSan Francisco
$676
WestJet
Aug 5
SFO6:00 amSan Francisco
18h 40m
1 stop
KEF7:40 amReykjavik Keflavik Intl
Aug 20
KEF9:00 amReykjavik Keflavik Intl
14h 40m
1 stop
SFO4:40 pmSan Francisco
$685

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 June 11, 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

Mon 7/20

6:03 am-9:00 am

1 stop19h 57m

Reykjavik Keflavik Intl

Mon 7/27

12:45 pm-9:20 am

1 stop27h 35m

$651

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 7/20

2:20 pm-9:00 am

1 stop11h 40m

Reykjavik Keflavik Intl

Tue 7/28

9:00 am-12:00 pm

1 stop34h 00m

$653

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 8/11

2:20 pm-9:00 am

1 stop11h 40m

Reykjavik Keflavik Intl

Wed 8/26

9:00 am-9:00 pm

2 stops19h 00m

$666

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 7/12

6:03 am-9:00 am

1 stop19h 57m

Reykjavik Keflavik Intl

Wed 7/22

12:45 pm-7:52 pm

1 stop14h 07m

$668
Quickest round-trip

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 8/11

2:20 pm-9:00 am

1 stop11h 40m

Reykjavik Keflavik Intl

Tue 8/25

9:00 am-6:23 pm

2 stops16h 23m

$672

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 8/17

6:00 am-7:40 am

1 stop18h 40m

Reykjavik Keflavik Intl

Wed 8/26

9:00 am-9:55 pm

1 stop19h 55m

$674

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 8/18

6:00 am-7:40 am

1 stop18h 40m

Reykjavik Keflavik Intl

Tue 8/25

9:00 am-4:40 pm

1 stop14h 40m

$676

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 8/25

1:00 pm-7:40 am

1 stop11h 40m

Reykjavik Keflavik Intl

Tue 9/1

9:00 am-6:32 pm

2 stops16h 32m

$677

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 7/7

10:23 pm-9:00 am

2 stops27h 37m

Reykjavik Keflavik Intl

Tue 7/21

9:00 am-12:00 pm

1 stop34h 00m

$678

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 8/11

2:20 pm-9:00 am

1 stop11h 40m

Reykjavik Keflavik Intl

Mon 8/24

9:00 am-12:00 pm

1 stop34h 00m

$679

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 October is your next best option. Flight prices from San Francisco to Reykjavik Keflavik Intl Airport during October average around $829.

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 $947 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 $737 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 40m

Direct flights

None
The fastest flight from San Francisco to Reykjavik Keflavik Intl Airport takes 11h 40m
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 11h 40m.

  • 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 $197Free CancellationRating
7.9
8,400 reviews
Search Delta flights
Air CanadaPriceFrom $549Free CancellationRating
7.1
11,159 reviews
Search Air Canada flights
WestJetPriceFrom $620Free CancellationRating
7.2
3,356 reviews
Search WestJet flights
United AirlinesPriceFrom $651Free CancellationRating
7.4
9,808 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $698Free CancellationRating
7.4
1,815 reviews
Search Scandinavian Airlines flights
Alaska AirlinesPriceFrom $764Free CancellationRating
7.9
12,480 reviews
Search Alaska Airlines flights
IcelandairPriceFrom $771Free CancellationRating
7.0
672 reviews
Search Icelandair 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.

An easier way to manage your Reykjavik Keflavik Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 7/11
Sat 7/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Reykjavik