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Cheap flights from San Francisco to Iceland from $247

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 Iceland 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 Iceland

Cheap round-trip flights

Logo
7:30 am - 8:15 amSFO-KEF
17h 45m1 stop
Logo
3:05 pm - 6:07 pmKEF-SFO
34h 02m2 stops
$647
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Wed, Sep 24 - Wed, Oct 1
Scandinavian Airlines Logo
7:40 pm - 9:30 amSFO-KEF
30h 50m1 stop
Scandinavian Airlines Logo
5:10 pm - 4:30 pmKEF-SFO
30h 20m1 stop
$648Scandinavian Airlines
Find Deal
Mon, Oct 6 - Sat, Oct 18
Logo
12:50 pm - 8:15 amSFO-KEF
12h 25m1 stop
Logo
3:05 pm - 6:07 pmKEF-SFO
34h 02m2 stops
$649
Find Deal
Sun, Sep 21 - Wed, Oct 1
Logo
12:50 pm - 8:15 amSFO-KEF
12h 25m1 stop
Logo
9:35 am - 9:30 amKEF-SFO
30h 55m2 stops
$650
Find Deal
Sun, Sep 21 - Sat, Oct 4
Logo
6:10 am - 4:45 amSFO-KEF
15h 35m1 stop
Logo
9:35 am - 9:24 pmKEF-SFO
18h 49m1 stop
$651
Find Deal
Thu, Sep 11 - Thu, Sep 18
Delta Logo
5:55 am - 6:20 amSFO-KEF
17h 25m1 stop
Delta Logo
11:25 am - 1:29 amKEF-SFO
21h 04m1 stop
$668Delta
Find Deal
Mon, Oct 13 - Thu, Oct 23
Delta Logo
8:59 pm - 9:30 amSFO-KEF
29h 31m2 stops
Delta Logo
8:45 am - 12:05 amKEF-SFO
22h 20m2 stops
$673Delta
Find Deal
Tue, Oct 14 - Fri, Oct 24
Lufthansa Logo
2:40 pm - 2:15 pmSFO-KEF
39h 35m2 stops
Lufthansa Logo
3:20 pm - 12:40 pmKEF-SFO
29h 20m1 stop
$688Lufthansa
Find Deal
Tue, Nov 25 - Tue, Dec 2
Lufthansa Logo
2:40 pm - 11:35 pmSFO-KEF
25h 55m1 stop
Lufthansa Logo
12:25 am - 12:40 pmKEF-SFO
19h 15m1 stop
$692Lufthansa
Find Deal
Tue, Oct 14 - Mon, Oct 20
WestJet Logo
12:50 pm - 8:15 amSFO-KEF
12h 25m1 stop
WestJet Logo
9:35 am - 9:24 pmKEF-SFO
18h 49m1 stop
$699WestJet
Find Deal
Sun, Sep 21 - Thu, Sep 25

Lufthansa flights from San Francisco to Iceland

Our best Lufthansa deals on San Francisco to Iceland flight tickets
Lufthansa
Nov 25
SFO2:40 pmSan Francisco
39h 35m
2 stops
KEF2:15 pmReykjavik Keflavik Intl
Dec 2
KEF3:20 pmReykjavik Keflavik Intl
29h 20m
1 stop
SFO12:40 pmSan Francisco
$688
Find similar
Lufthansa
Oct 14
SFO2:40 pmSan Francisco
25h 55m
1 stop
KEF11:35 pmReykjavik Keflavik Intl
Oct 20
KEF12:25 amReykjavik Keflavik Intl
19h 15m
1 stop
SFO12:40 pmSan Francisco
$692
Find similar
Lufthansa
Oct 12
SFO2:40 pmSan Francisco
25h 55m
1 stop
KEF11:35 pmReykjavik Keflavik Intl
Oct 22
KEF12:25 amReykjavik Keflavik Intl
19h 15m
1 stop
SFO12:40 pmSan Francisco
$696
Find similar

Scandinavian Airlines flights from San Francisco to Iceland

Our best Scandinavian Airlines deals on San Francisco to Iceland flight tickets
Scandinavian Airlines
Oct 6
SFO7:40 pmSan Francisco
30h 50m
1 stop
KEF9:30 amReykjavik Keflavik Intl
Oct 18
KEF5:10 pmReykjavik Keflavik Intl
30h 20m
1 stop
SFO4:30 pmSan Francisco
$648
Find similar
Scandinavian Airlines
Oct 8
SFO7:40 pmSan Francisco
28h 25m
2 stops
KEF7:05 amReykjavik Keflavik Intl
Oct 18
KEF5:50 pmReykjavik Keflavik Intl
29h 40m
2 stops
SFO4:30 pmSan Francisco
$660
Find similar
Scandinavian Airlines
Oct 8
SFO7:40 pmSan Francisco
30h 50m
1 stop
KEF9:30 amReykjavik Keflavik Intl
Oct 18
KEF5:50 pmReykjavik Keflavik Intl
29h 40m
2 stops
SFO4:30 pmSan Francisco
$664
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Iceland 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 August 26, 2025.
Use the filters below to find and compare flights from San Francisco to Iceland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Wed 9/24

7:30 am-8:15 am

1 stop17h 45m

Reykjavik Keflavik Intl

Wed 10/1

3:05 pm-6:07 pm

2 stops34h 02m

$647

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 10/6

7:40 pm-9:30 am

1 stop30h 50m

Reykjavik Keflavik Intl

Sat 10/18

5:10 pm-4:30 pm

1 stop30h 20m

$648

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 9/21

12:50 pm-8:15 am

1 stop12h 25m

Reykjavik Keflavik Intl

Wed 10/1

3:05 pm-6:07 pm

2 stops34h 02m

$649

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 9/21

12:50 pm-8:15 am

1 stop12h 25m

Reykjavik Keflavik Intl

Sat 10/4

9:35 am-9:30 am

2 stops30h 55m

$650

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Thu 9/11

6:10 am-4:45 am

1 stop15h 35m

Reykjavik Keflavik Intl

Thu 9/18

9:35 am-9:24 pm

1 stop18h 49m

$651

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 10/13

5:55 am-6:20 am

1 stop17h 25m

Reykjavik Keflavik Intl

Thu 10/23

11:25 am-1:29 am

1 stop21h 04m

$668

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 10/14

8:59 pm-9:30 am

2 stops29h 31m

Reykjavik Keflavik Intl

Fri 10/24

8:45 am-12:05 am

2 stops22h 20m

$673

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 11/25

2:40 pm-2:15 pm

2 stops39h 35m

Reykjavik Keflavik Intl

Tue 12/2

3:20 pm-12:40 pm

1 stop29h 20m

$688

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 10/14

2:40 pm-11:35 pm

1 stop25h 55m

Reykjavik Keflavik Intl

Mon 10/20

12:25 am-12:40 pm

1 stop19h 15m

$692

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 9/21

12:50 pm-8:15 am

1 stop12h 25m

Reykjavik Keflavik Intl

Thu 9/25

9:35 am-9:24 pm

1 stop18h 49m

$699

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 Iceland from

How to get the cheapest flight ticket from San Francisco to Iceland

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 Iceland?

The cheapest month to fly to Iceland from San Francisco is in August. Flight prices, which tend to average around $791, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Iceland from San Francisco during February instead. Flights to Iceland in February, while not as cheap as those in August, still average around $865.

What is the cheapest day to depart on your flight to Iceland?

The cheapest day to depart from San Francisco to Iceland is on a Monday when prices can be found for as low as $992. Flights from San Francisco to Iceland on a Friday will generally be more expensive and average around $1,080. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Iceland?

According to our data, the cheapest time of day to fly to Iceland is in the evening. momondo users have found flights departing from San Francisco to Iceland in the evening for as low as $931. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $1,138. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Iceland?

You are more likely to see cheaper flights to Iceland from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Iceland for around $960 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Iceland from San Francisco for as low as $746 on momondo.

Cheap San Francisco to Iceland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Iceland

Direct flights

None
There are no direct flights from San Francisco to Iceland. There are no popular flight routes from San Francisco to Iceland.
Search flight deals

  • When did momondo last update prices for flights from San Francisco Airport to Iceland?

    Prices for flights from San Francisco Airport to Iceland are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Francisco Airport to Iceland?

  • How old do you have to be to fly from San Francisco Airport to Iceland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Iceland.

  • What documentation or ID do you need to fly to Iceland?

    The travel and health documents required for your trip to Iceland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Iceland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from San Francisco to Iceland

Compare and see reviews for airlines that fly from San Francisco to Iceland with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $537Free CancellationRating
7.2
3,055 reviews
Search WestJet flights
DeltaPriceFrom $556Free CancellationRating
7.9
7,979 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $653Free CancellationRating
7.4
1,477 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom $655Free CancellationRating
7.4
1,469 reviews
Search Air France flights
United AirlinesPriceFrom $694Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights
Air CanadaPriceFrom $727Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
IcelandairPriceFrom $842Free CancellationRating
7.0
533 reviews
Search Icelandair flights
Alaska AirlinesPriceFrom $1,030Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Iceland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to Iceland. momondo saves you time and could save you money on your trip.

Can I find flights from San Francisco to Iceland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Iceland from San Francisco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco to Iceland?

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 Iceland from San Francisco.

I’m not ready to book a flight from San Francisco to Iceland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco to Iceland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Iceland and let you know when they change.

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