Cheap flights from San Francisco (SFO) to Keflavik Intl (KEF) from $262

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — KEF
Jun 15 — Jun 221

The best prices from San Francisco to Reykjavik Keflavik Intl are usually found in February or January, booked 80 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from San Francisco to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2024.

Popular in

July

Cheapest in

February

Round-trip from

$336

One-way from

$262
High demand for flights, 21% potential price rise
Best time to find cheap flights, 12% potential price drop
From San Francisco to Reykjavik Keflavik Intl
One-way flight from San Francisco to Reykjavik Keflavik Intl

What is the cheapest day to fly round-trip from San Francisco to Reykjavik Keflavik Intl Airport?

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 13% when planning your travel around this day of the week.

How far in advance should I book a flight from San Francisco to Reykjavik Keflavik Intl Airport?

Users have found that booking a flight from San Francisco to Reykjavik Keflavik Intl Airport at least 14 days early can save you up to 46% on average compared to booking a flight this week. If booking 14 days before your flight isn’t an option for you, users have found flights from San Francisco to Reykjavik Keflavik Intl Airport for as little as $791 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,433 for flights departing within the next 3 days.

What is the cheapest month to fly from San Francisco to Reykjavik Keflavik Intl Airport?

February can be a great time to fly to Reykjavik Keflavik Intl Airport from San Francisco with a flight ticket averaging about $984. Cheapflights users have found deals in the month of February for as cheap as $640. The most expensive prices can be found in the month of June.

What is the cheapest time of day to fly from SFO to KEF?

It’s optimal to fly from San Francisco to Reykjavik Keflavik Intl Airport in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.

Cheap San Francisco to Keflavik Intl flights in June & July 2024

Find cheap flight options from San Francisco to Keflavik Intl specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,080,152 searches. Prices were last updated on June 10, 2024.
These are some of the most attractive deals on flights from San Francisco to Reykjavik in 2024. More deals are always being added, so be sure to check back regularly.
Tue 7/94:35 pmSFO - KEF
1 stop33h 00mAir Canada
Tue 7/169:45 amKEF - SFO
1 stop33h 01mAir Canada
Deal found 6/9$740
Tue 7/94:35 pmSFO - KEF
1 stop33h 00mAir Canada
Tue 7/169:45 amKEF - SFO
2 stops18h 16mAir Canada
Deal found 6/9$744
Mon 7/2911:40 amSFO - KEF
1 stop13h 55mAir Canada
Thu 8/89:45 amKEF - SFO
1 stop33h 01mAir Canada
Deal found 6/9$745
Mon 7/89:00 amSFO - KEF
2 stops16h 35mMultiple Airlines
Thu 7/189:45 amKEF - SFO
2 stops30h 38mMultiple Airlines
Deal found 6/9$749
Wed 7/3111:40 amSFO - KEF
1 stop13h 55mAir Canada
Wed 8/710:00 amKEF - SFO
2 stops30h 24mAir Canada
Deal found 6/10$751
Wed 7/1711:40 amSFO - KEF
1 stop13h 55mMultiple Airlines
Tue 7/239:45 amKEF - SFO
2 stops16h 10mMultiple Airlines
Deal found 6/9$755
Sun 7/77:00 amSFO - KEF
2 stops18h 35mAir Canada
Tue 7/169:45 amKEF - SFO
2 stops21h 04mAir Canada
Deal found 6/9$764
Mon 7/811:55 amSFO - KEF
1 stop13h 40mAir Canada
Tue 7/169:45 amKEF - SFO
1 stop33h 01mAir Canada
Deal found 6/9$766
Tue 7/911:00 pmSFO - KEF
2 stops26h 35mAir Canada
Tue 7/169:45 amKEF - SFO
2 stops21h 04mAir Canada
Deal found 6/10$770

San Francisco to Keflavik Intl 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and Keflavik Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.
These are some of the most attractive deals on flights from San Francisco to Reykjavik in 2024. More deals are always being added, so be sure to check back regularly.
Wed 10/27:30 amSFO - KEF
1 stop17h 45mWestJet
Thu 10/109:35 amKEF - SFO
1 stop18h 41mWestJet
Deal found 6/9$552
Wed 9/412:50 pmSFO - KEF
1 stop12h 25mWestJet
Mon 9/99:35 amKEF - SFO
1 stop18h 45mWestJet
Deal found 6/8$619
Wed 9/117:30 amSFO - KEF
1 stop17h 45mWestJet
Sat 9/219:35 amKEF - SFO
1 stop18h 41mWestJet
Deal found 6/9$622
Thu 9/512:58 amSFO - KEF
2 stops20h 57mMultiple Airlines
Sat 9/219:35 amKEF - SFO
1 stop18h 41mMultiple Airlines
Deal found 6/9$630
Wed 9/412:50 pmSFO - KEF
1 stop12h 25mWestJet
Tue 9/179:35 amKEF - SFO
1 stop18h 41mWestJet
Deal found 6/9$634
Sun 9/83:20 pmSFO - KEF
3 stops33h 55mMultiple Airlines
Sat 9/149:35 amKEF - SFO
3 stops20h 18mMultiple Airlines
Deal found 6/8$635
Sun 9/85:50 pmSFO - KEF
2 stops28h 00mMultiple Airlines
Sat 9/149:35 amKEF - SFO
3 stops20h 18mMultiple Airlines
Deal found 6/8$655
Wed 9/47:30 amSFO - KEF
1 stop17h 45mWestJet
Sat 9/149:35 amKEF - SFO
1 stop18h 45mWestJet
Deal found 6/9$656
Wed 9/117:30 amSFO - KEF
1 stop17h 45mMultiple Airlines
Sat 9/219:35 amKEF - SFO
2 stops14h 53mMultiple Airlines
Deal found 6/9$662

San Francisco to Keflavik Intl flights leaving soon

Find last-minute flight options from San Francisco to Keflavik Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.
Consider one of these great deals we found on last-minute flights from San Francisco to Reykjavik. It's wise to confirm all flight details are correct before booking.
Sun 6/161:10 amSFO - KEF
2 stops24h 25mAir Canada
Thu 6/279:45 amKEF - SFO
1 stop20h 27mAir Canada
Deal found 6/8$830
Thu 6/2010:05 pmSFO - KEF
1 stop27h 30mAir Canada
Thu 6/279:45 amKEF - SFO
1 stop20h 27mAir Canada
Deal found 6/9$875
Thu 6/201:10 amSFO - KEF
2 stops24h 25mAir Canada
Wed 7/310:00 amKEF - SFO
2 stops30h 23mAir Canada
Deal found 6/9$886
Mon 6/178:25 amSFO - KEF
1 stop17h 05mMultiple Airlines
Thu 6/279:45 amKEF - SFO
1 stop20h 27mMultiple Airlines
Deal found 6/8$908
Thu 6/2010:35 pmSFO - KEF
2 stops27h 00mAir Canada
Thu 6/279:45 amKEF - SFO
1 stop20h 27mAir Canada
Deal found 6/9$914
Thu 6/2010:54 pmSFO - KEF
1 stop26h 41mAir Canada
Wed 7/310:00 amKEF - SFO
2 stops20h 12mAir Canada
Deal found 6/9$923
Sun 6/161:10 amSFO - KEF
1 stop24h 20mMultiple Airlines
Thu 6/279:45 amKEF - SFO
1 stop20h 27mMultiple Airlines
Deal found 6/8$926
Thu 6/2010:05 pmSFO - KEF
1 stop27h 30mAir Canada
Mon 7/110:00 amKEF - SFO
1 stop31h 35mAir Canada
Deal found 6/9$931
Mon 6/175:20 amSFO - KEF
2 stops20h 15mAir Canada
Thu 6/279:45 amKEF - SFO
1 stop20h 27mAir Canada
Deal found 6/8$940

One-way flights to Keflavik Intl from San Francisco

Search for one-way flight options from San Francisco to Keflavik Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.
Some of the best available deals we've found on one-way flights from San Francisco to Reykjavik. Users in need of a round-trip flight from San Francisco to Reykjavik instead should update the search form at the top of page.
Wed 8/147:30 amSFO - KEF
1 stop17h 45mWestJet
Deal found 6/9$262
Mon 7/1512:59 amSFO - KEF
2 stops20h 56mMultiple Airlines
Deal found 6/10$290
Mon 7/1512:59 amSFO - KEF
2 stops20h 56mMultiple Airlines
Deal found 6/9$292
Tue 7/96:05 pmSFO - KEF
1 stop31h 10mWestJet
Deal found 6/9$295
Mon 7/87:30 amSFO - KEF
1 stop17h 45mWestJet
Deal found 6/10$304
Tue 7/163:20 pmSFO - KEF
2 stops33h 55mWestJet
Deal found 6/10$305
Mon 9/97:30 amSFO - KEF
1 stop17h 45mWestJet
Deal found 6/9$309
Fri 7/1212:59 amSFO - KEF
2 stops20h 56mMultiple Airlines
Deal found 6/9$315
Tue 7/1612:58 amSFO - KEF
2 stops20h 57mMultiple Airlines
Deal found 6/9$317

Find flights from San Francisco to Keflavik Intl within your budget

Customize your flight search to find flights from San Francisco to Keflavik Intl 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, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$552 - $790

Route

Depart

Return

Price

San FranciscoReykjavik Keflavik Intl

SFO - KEF

SFOKEF

San Francisco

Wed 10/2

1 stop17h 45m

Reykjavik Keflavik Intl

Thu 10/10

1 stop18h 41m

$552

San FranciscoReykjavik Keflavik Intl

SFO - KEF

SFOKEF

San Francisco

Fri 9/13

2 stops15h 00m

Reykjavik Keflavik Intl

Sat 9/21

1 stop18h 41m

$602

San FranciscoReykjavik Keflavik Intl

SFO - KEF

SFOKEF

San Francisco

Sun 8/11

1 stop13h 55m

Reykjavik Keflavik Intl

Tue 8/20

1 stop18h 42m

$686

San FranciscoReykjavik Keflavik Intl

SFO - KEF

SFOKEF

San Francisco

Tue 10/8

1 stop20h 30m

Reykjavik Keflavik Intl

Tue 10/22

1 stop18h 47m

$728

San FranciscoReykjavik Keflavik Intl

SFO - KEF

SFOKEF

San Francisco

Mon 10/7

2 stops17h 00m

Reykjavik Keflavik Intl

Tue 10/22

2 stops19h 55m

$732

San FranciscoReykjavik Keflavik Intl

SFO - KEF

SFOKEF

San Francisco

Sun 9/29

1 stop17h 40m

Reykjavik Keflavik Intl

Wed 10/9

1 stop20h 56m

$754

San FranciscoReykjavik Keflavik Intl

SFO - KEF

SFOKEF

San Francisco

Sun 9/29

2 stops21h 00m

Reykjavik Keflavik Intl

Wed 10/9

1 stop33h 10m

$768

San FranciscoReykjavik Keflavik Intl

SFO - KEF

SFOKEF

San Francisco

Tue 10/8

1 stop25h 50m

Reykjavik Keflavik Intl

Mon 10/21

1 stop19h 15m

$788

San FranciscoReykjavik Keflavik Intl

SFO - KEF

SFOKEF

San Francisco

Wed 10/9

2 stops31h 50m

Reykjavik Keflavik Intl

Tue 10/15

2 stops25h 50m

$790

Flights are sorted by cheapest first

Deals found on 6/9

How far ahead should I book a flight from San Francisco to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Keflavik Intl. Price data was last updated on May 31, 2024.
Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

What is the cheapest day to fly from San Francisco to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Keflavik Intl. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Francisco to Reykjavik Keflavik Intl Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from San Francisco to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature and rainfall totals by month.

KEF

Temperature

32 - 51.8 °F

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated June 10, 2024.
Read reviews from past customers who have flown WestJet, Delta and Air Canada from San Francisco to Reykjavik. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,295 reviews

Boarding

8.2

Food

7.4

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

8.0
Very good
10,295 reviews
8.0
Very good
10,295 reviews

Boarding

8.2

Food

7.4

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.9
Good
1,473 reviews
8.0
Very good
10,295 reviews

Boarding

8.2

Food

7.4

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.7
Good
994 reviews
8.0
Very good
10,295 reviews

Boarding

8.2

Food

7.4

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.6
Good
4,279 reviews
8.0
Very good
10,295 reviews

Boarding

8.2

Food

7.4

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.5
Good
2,847 reviews
8.0
Very good
10,295 reviews

Boarding

8.2

Food

7.4

Crew

8.6

Comfort

7.9

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to Reykjavik Keflavik Intl?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to Reykjavik Keflavik Intl from San Francisco. Booking flights from San Francisco (SFO) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 11 different airlines.

  • Can I find flights from San Francisco to Reykjavik Keflavik Intl Airport for under $600 on Cheapflights?

    Yes, there are multiple flights from San Francisco to Reykjavik Keflavik Intl Airport for under $600. The cheapest flight booked recently is on WestJet for just $552, but on average you can expect to pay $646.

  • Are there last-minute flights available from San Francisco to Reykjavik Keflavik Intl Airport for under $900?

    There are currently 20+ open flights from San Francisco to Reykjavik Keflavik Intl Airport within the next 7 days for less than $900.

  • What are the cheapest airlines flying from San Francisco to Reykjavik Keflavik Intl Airport round-trip?

    According to our current data, WestJet ($552), and Air Canada ($686) offers the cheapest pricing from San Francisco to Reykjavik Keflavik Intl Airport. WestJet is priced at 44% lower than the current average price of a flight leaving 3 months from now.

  • What does SFO to KEF mean?

    Great question - SFO to KEF just means San Francisco Airport to Reykjavik Keflavik Intl Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from San Francisco to Keflavik Intl that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to Keflavik Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Francisco to Keflavik Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to Keflavik Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Francisco to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on San Francisco to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Keflavik Intl.

  • Can I find deals for business class flights from San Francisco to Keflavik Intl?

    Yes. Cheapflights offers flight deals from San Francisco to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Francisco to Keflavik Intl that allow pets onboard?

    Many airlines flying from San Francisco to Keflavik Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Francisco to Keflavik Intl?

    Yes, you can often find last-minute deals on San Francisco to Keflavik Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Francisco to Reykjavik Keflavik Intl Airport flight deals updated?

    The San Francisco to Reykjavik Keflavik Intl Airport flight deals you see on this page were last updated on 6/9.

  • What are the most popular airlines that fly from San Francisco to Reykjavik Keflavik Intl Airport?

  • What is the cheapest month to book a flight from San Francisco to Reykjavik Keflavik Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Reykjavik Keflavik Intl Airport (average of $339). Flying from San Francisco to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $704). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from San Francisco to Keflavik Intl

Discover the top 10 airlines that operate flights from San Francisco to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$158Average$930FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$598Average$840FlexibilityNo cancel feeOn-time70%
WestJetCheapest$610Average$824FlexibilityNo cancel feeOn-time60%
SWISSCheapest$688Average$842FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$699Average$802FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$743Average$1,026FlexibilityNo cancel feeOn-time67%
DeltaCheapest$782Average$917FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$789Average$1,077FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$791Average$1,077FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$863Average$1,077FlexibilityNo cancel feeOn-time76%

Search flights from San Francisco to Keflavik Intl by cabin class

Find flights from San Francisco to Keflavik Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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