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Cheap flights from San Francisco to Reykjavik from $237

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 10/1. 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

Finnair Logo
5:30 pm - 9:15 amSFO-KEF
31h 45m2 stops
Finnair Logo
10:00 am - 11:59 pmKEF-SFO
21h 59m2 stops
$649Finnair
Find Deal
mar., nov. 4 - jue., nov. 13
Logo
12:50 pm - 8:15 amSFO-KEF
12h 25m1 stop
Logo
3:05 pm - 9:21 pmKEF-SFO
37h 16m2 stops
$650
Find Deal
dom., sep. 14 - mié., sep. 17
Logo
7:00 am - 6:10 amSFO-KEF
15h 10m1 stop
Logo
4:50 pm - 12:06 amKEF-SFO
15h 16m1 stop
$651
Find Deal
lun., nov. 10 - sáb., nov. 15
Logo
4:35 pm - 8:15 amSFO-KEF
32h 40m3 stops
Logo
9:35 am - 9:30 amKEF-SFO
30h 55m3 stops
$652
Find Deal
sáb., sep. 27 - jue., oct. 2
Scandinavian Airlines Logo
4:40 pm - 10:45 amSFO-KEF
34h 05m1 stop
Scandinavian Airlines Logo
11:30 am - 2:35 pmKEF-SFO
35h 05m2 stops
$657Scandinavian Airlines
Find Deal
lun., feb. 16 - sáb., feb. 21
Scandinavian Airlines Logo
4:40 pm - 10:30 amSFO-KEF
33h 50m2 stops
Scandinavian Airlines Logo
11:30 am - 2:35 pmKEF-SFO
35h 05m1 stop
$664Scandinavian Airlines
Find Deal
vie., nov. 14 - vie., nov. 21
British Airways Logo
7:32 am - 10:50 amSFO-KEF
19h 18m2 stops
British Airways Logo
11:50 am - 3:00 pmKEF-SFO
35h 10m1 stop
$675British Airways
Find Deal
mar., feb. 24 - mar., mar. 3
Lufthansa Logo
2:40 pm - 2:15 pmSFO-KEF
39h 35m2 stops
Lufthansa Logo
3:10 pm - 7:36 pmKEF-SFO
36h 26m2 stops
$680Lufthansa
Find Deal
mar., nov. 11 - jue., nov. 20
Lufthansa Logo
2:40 pm - 3:45 pmSFO-KEF
17h 05m1 stop
Lufthansa Logo
3:20 pm - 12:40 pmKEF-SFO
29h 20m1 stop
$682Lufthansa
Find Deal
jue., nov. 6 - mar., nov. 11
WestJet Logo
7:30 am - 8:15 amSFO-KEF
17h 45m1 stop
WestJet Logo
9:35 am - 11:54 amKEF-SFO
33h 19m1 stop
$691WestJet
Find Deal
lun., sep. 22 - sáb., oct. 4

United Airlines flights from San Francisco to Reykjavik Keflavik Intl Airport

Our best United Airlines deals on San Francisco to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Sep 3
SFO7:00 amSan Francisco
18h 30m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Sep 10
KEF9:30 amReykjavik Keflavik Intl
33h 05m
2 stops
SFO11:35 amSan Francisco
$735
Find similar
United Airlines
Sep 13
SFO3:00 pmSan Francisco
34h 30m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Sep 24
KEF9:30 amReykjavik Keflavik Intl
32h 41m
1 stop
SFO11:11 amSan Francisco
$738
Find similar
United Airlines
Sep 10
SFO8:25 amSan Francisco
15h 35m
2 stops
KEF7:00 amReykjavik Keflavik Intl
Sep 17
KEF9:30 amReykjavik Keflavik Intl
33h 05m
2 stops
SFO11:35 amSan Francisco
$739
Find similar

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
Feb 16
SFO4:40 pmSan Francisco
34h 05m
1 stop
KEF10:45 amReykjavik Keflavik Intl
Feb 21
KEF11:30 amReykjavik Keflavik Intl
35h 05m
2 stops
SFO2:35 pmSan Francisco
$657
Find similar
Scandinavian Airlines
Nov 14
SFO4:40 pmSan Francisco
33h 50m
2 stops
KEF10:30 amReykjavik Keflavik Intl
Nov 21
KEF11:30 amReykjavik Keflavik Intl
35h 05m
1 stop
SFO2:35 pmSan Francisco
$664
Find similar
Scandinavian Airlines
Nov 14
SFO4:40 pmSan Francisco
34h 05m
1 stop
KEF10:45 amReykjavik Keflavik Intl
Nov 20
KEF11:30 amReykjavik Keflavik Intl
35h 05m
1 stop
SFO2:35 pmSan Francisco
$667
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 septiembre 3, 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

mar. 11/4

5:30 pm-9:15 am

2 stops31h 45m

Reykjavik Keflavik Intl

jue. 11/13

10:00 am-11:59 pm

2 stops21h 59m

$649

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

dom. 9/14

12:50 pm-8:15 am

1 stop12h 25m

Reykjavik Keflavik Intl

mié. 9/17

3:05 pm-9:21 pm

2 stops37h 16m

$650

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

lun. 11/10

7:00 am-6:10 am

1 stop15h 10m

Reykjavik Keflavik Intl

sáb. 11/15

4:50 pm-12:06 am

1 stop15h 16m

$651

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

sáb. 9/27

4:35 pm-8:15 am

3 stops32h 40m

Reykjavik Keflavik Intl

jue. 10/2

9:35 am-9:30 am

3 stops30h 55m

$652

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

lun. 2/16

4:40 pm-10:45 am

1 stop34h 05m

Reykjavik Keflavik Intl

sáb. 2/21

11:30 am-2:35 pm

2 stops35h 05m

$657

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

vie. 11/14

4:40 pm-10:30 am

2 stops33h 50m

Reykjavik Keflavik Intl

vie. 11/21

11:30 am-2:35 pm

1 stop35h 05m

$664

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

mar. 2/24

7:32 am-10:50 am

2 stops19h 18m

Reykjavik Keflavik Intl

mar. 3/3

11:50 am-3:00 pm

1 stop35h 10m

$675

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

mar. 11/11

2:40 pm-2:15 pm

2 stops39h 35m

Reykjavik Keflavik Intl

jue. 11/20

3:10 pm-7:36 pm

2 stops36h 26m

$680

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

jue. 11/6

2:40 pm-3:45 pm

1 stop17h 05m

Reykjavik Keflavik Intl

mar. 11/11

3:20 pm-12:40 pm

1 stop29h 20m

$682

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

lun. 9/22

7:30 am-8:15 am

1 stop17h 45m

Reykjavik Keflavik Intl

sáb. 10/4

9:35 am-11:54 am

1 stop33h 19m

$691

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 August is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from San Francisco, with most prices found around $807. 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 $861.

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 $960 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

Direct flights

None
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 25m.

  • 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
3,082 reviews
Search WestJet flights
DeltaPriceFrom $556Free CancellationRating
7.9
7,973 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $653Free CancellationRating
7.4
1,481 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom $655Free CancellationRating
7.4
1,470 reviews
Search Air France flights
United AirlinesPriceFrom $694Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
Air CanadaPriceFrom $727Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
IcelandairPriceFrom $842Free CancellationRating
7.0
544 reviews
Search Icelandair flights
Alaska AirlinesPriceFrom $1,030Free CancellationRating
8.0
10,000 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
Hveragerdi
Selfoss
Hella
Borgarnes
Kopavogur
Grindavik

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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