Cheap Flights From San Francisco Intl. (SFO) To Keflavik Intl. (KEF)

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Cheapest Flights from San Francisco (SFO) to Reykjavik (KEF)

The cheapest flights to Keflavik Intl. found within the past 7 days were CA $867 round trip and CA $620 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Aug. 4 - Wed, Aug. 20
SFO
San Francisco
KEF
Reykjavik
CA $867 Roundtrip, found 3 days ago
CA $867
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Aug. 4 from San Francisco to Reykjavik, returning Wed, Aug. 20, priced at CA $867 found 3 days ago
Mon, Aug. 4 - Wed, Aug. 20
SFO
San Francisco
KEF
Reykjavik
CA $876 Roundtrip, found 3 days ago
CA $876
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Aug. 4 from San Francisco to Reykjavik, returning Wed, Aug. 20, priced at CA $876 found 3 days ago
Sun, Aug. 3 - Tue, Aug. 19
SFO
San Francisco
KEF
Reykjavik
CA $885 Roundtrip, found 2 days ago
CA $885
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, Aug. 3 from San Francisco to Reykjavik, returning Tue, Aug. 19, priced at CA $885 found 2 days ago
Sun, Aug. 3 - Tue, Aug. 19
SFO
San Francisco
KEF
Reykjavik
CA $893 Roundtrip, found 2 days ago
CA $893
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, Aug. 3 from San Francisco to Reykjavik, returning Tue, Aug. 19, priced at CA $893 found 2 days ago
Mon, Aug. 4 - Wed, Aug. 20
SFO
San Francisco
KEF
Reykjavik
CA $935 Roundtrip, found 3 days ago
CA $935
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Aug. 4 from San Francisco to Reykjavik, returning Wed, Aug. 20, priced at CA $935 found 3 days ago
Mon, Aug. 4 - Wed, Aug. 20
SFO
San Francisco
KEF
Reykjavik
CA $943 Roundtrip, found 3 days ago
CA $943
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Aug. 4 from San Francisco to Reykjavik, returning Wed, Aug. 20, priced at CA $943 found 3 days ago
Mon, Aug. 4 - Wed, Aug. 20
SFO
San Francisco
KEF
Reykjavik
CA $952 Roundtrip, found 3 days ago
CA $952
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Aug. 4 from San Francisco to Reykjavik, returning Wed, Aug. 20, priced at CA $952 found 3 days ago
Sun, Feb. 8 - Fri, Feb. 13
SFO
San Francisco
KEF
Reykjavik
CA $998 Roundtrip, found 4 days ago
CA $998
Roundtrip
found 4 days ago
Select Scandinavian Airlines flight, departing Sun, Feb. 8 from San Francisco to Reykjavik, returning Fri, Feb. 13, priced at CA $998 found 4 days ago
Mon, Aug. 4 - Wed, Aug. 20
SFO
San Francisco
KEF
Reykjavik
CA $1,012 Roundtrip, found 3 days ago
CA $1,012
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Aug. 4 from San Francisco to Reykjavik, returning Wed, Aug. 20, priced at CA $1,012 found 3 days ago
Sun, Aug. 3 - Tue, Aug. 19
SFO
San Francisco
KEF
Reykjavik
CA $1,041 Roundtrip, found 2 days ago
CA $1,041
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, Aug. 3 from San Francisco to Reykjavik, returning Tue, Aug. 19, priced at CA $1,041 found 2 days ago

Frequently asked questions

Are there direct flights from San Francisco Intl. Airport (SFO) to Reykjavík–Keflavík Airport?
If you need to get as quickly as possible from San Francisco Airport to Reykjavík–Keflavík Airport, consider United Airlines, JetBlue and Delta. No airlines offer nonstop flights on this route, so you'll have to make at least one stopover.
What airlines fly from SFO to Keflavik Intl. Airport (KEF)?
With no direct flights available, it's in your best interest to book well in advance when traveling between SFO and KEF. Find a convenient route with the fewest layovers and save yourself some time.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.