€248 Cheap Flights Reykjavik to San Francisco (KEF-SFO)

View €248 flight on Mon, 18 May 2026Opens in a new window

Popular airlines from Reykjavik–Keflavik Intl. Airport (KEF) to San Francisco Intl. Airport (SFO)

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Cheap flights from Reykjavik to San Francisco (KEF-SFO)

Prices were available within the past 7 days and start at €248 for one-way flights and €751 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Mon, 18 May - Tue, 2 Jun
KEF
Reykjavik
SFO
San Francisco
€751 Return, found 6 days ago
€751
Return
found 6 days ago
Select WestJet flight, departing Mon, 18 May from Reykjavik to San Francisco, returning Tue, 2 Jun, priced at €751 found 6 days ago
Icelandair
Mon, 18 May - Tue, 2 Jun
KEF
Reykjavik
SFO
San Francisco
€785 Return, found 6 days ago
€785
Return
found 6 days ago
Select Icelandair flight, departing Mon, 18 May from Reykjavik to San Francisco, returning Tue, 2 Jun, priced at €785 found 6 days ago
Icelandair
Sat, 2 May - Sat, 9 May
KEF
Reykjavik
SFO
San Francisco
€788 Return, found 1 day ago
€788
Return
found 1 day ago
Select Icelandair flight, departing Sat, 2 May from Reykjavik to San Francisco, returning Sat, 9 May, priced at €788 found 1 day ago
Icelandair
Mon, 18 May - Tue, 2 Jun
KEF
Reykjavik
SFO
San Francisco
€813 Return, found 6 days ago
€813
Return
found 6 days ago
Select Icelandair flight, departing Mon, 18 May from Reykjavik to San Francisco, returning Tue, 2 Jun, priced at €813 found 6 days ago
WestJet
Thu, 21 May - Wed, 3 Jun
KEF
Reykjavik
SFO
San Francisco
€814 Return, found 9 hours ago
€814
Return
found 9 hours ago
Select WestJet flight, departing Thu, 21 May from Reykjavik to San Francisco, returning Wed, 3 Jun, priced at €814 found 9 hours ago
Icelandair
Mon, 18 May - Tue, 2 Jun
KEF
Reykjavik
SFO
San Francisco
€835 Return, found 6 days ago
€835
Return
found 6 days ago
Select Icelandair flight, departing Mon, 18 May from Reykjavik to San Francisco, returning Tue, 2 Jun, priced at €835 found 6 days ago
Icelandair
Mon, 18 May - Tue, 2 Jun
KEF
Reykjavik
SFO
San Francisco
€840 Return, found 6 days ago
€840
Return
found 6 days ago
Select Icelandair flight, departing Mon, 18 May from Reykjavik to San Francisco, returning Tue, 2 Jun, priced at €840 found 6 days ago
Lufthansa
Mon, 18 May - Tue, 2 Jun
KEF
Reykjavik
SFO
San Francisco
€855 Return, found 6 days ago
€855
Return
found 6 days ago
Select Lufthansa flight, departing Mon, 18 May from Reykjavik to San Francisco, returning Tue, 2 Jun, priced at €855 found 6 days ago
Delta
Mon, 18 May - Tue, 2 Jun
KEF
Reykjavik
SFO
San Francisco
€867 Return, found 6 days ago
€867
Return
found 6 days ago
Select Delta flight, departing Mon, 18 May from Reykjavik to San Francisco, returning Tue, 2 Jun, priced at €867 found 6 days ago
United
Mon, 18 May - Tue, 2 Jun
KEF
Reykjavik
SFO
San Francisco
€867 Return, found 6 days ago
€867
Return
found 6 days ago
Select United flight, departing Mon, 18 May from Reykjavik to San Francisco, returning Tue, 2 Jun, priced at €867 found 6 days ago

Frequently asked questions

How much is a flight from Keflavik Intl. Airport (KEF) to San Francisco Intl. Airport (SFO)?
Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from KEF to San Francisco Airport start from €751. Book today to score the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Reykjavík–Keflavík Airport to SFO?
We get that circumstances change unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Keflavik Intl. Airport (KEF) to San Francisco Intl. Airport (SFO) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for KEF to San Francisco Intl. Airport (SFO) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from KEF to San Francisco Airport?
With around 6,800 kilometres separating Keflavik Intl. Airport (KEF) and San Francisco Intl. Airport (SFO), your flight will be a long one. Pack wisely to make your time on board comfortable. Little things like a spare pair of socks and a quality neck pillow should be in your hand luggage.
Which airlines fly direct from Keflavik Intl. Airport (KEF) to SFO?
There are no direct flights, so you'll need to make at least one stop between Keflavik Intl. Airport (KEF) and San Francisco Intl. Airport (SFO). Make the most of the layover time to stretch your legs and grab a coffee.
Are KEF to SFO flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Reykjavík–Keflavík Airport to San Francisco Intl. Airport (SFO) last minute could save you some cash. However, it might cost you a whole lot more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

Travel information

Origin airport
Keflavik Intl.
Destination airport
San Francisco Intl.
Airlines serving
Air France, American Airlines, British Airways, Delta, Finnair, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Virgin Atlantic
Return price
€750
Distance
6707 km

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