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Keflavik Intl

$486+ Cheap flights from San Jose, CA (SJC) to Keflavik Intl (KEF)

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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — KEF
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap flight deals from San Jose to Keflavik Intl

Cheapest flights from San Jose to Keflavik Intl
Explore the most affordable flight options available from San Jose to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.

This CheapOair deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:14 pm
SJC
-
KEF
1 stop12h 46m
Alaska Airlines
Sat 6/1312:45 pm
KEF
-
SJC
1 stop17h 54m
Alaska Airlines
Deal found 2/16$846
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:41 pm
SJC
-
KEF
1 stop33h 19m
Alaska Airlines
Fri 8/2812:45 pm
KEF
-
SJC
1 stop12h 11m
Alaska Airlines
Deal found 2/17$853
This FlightHub deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:10 am
SJC
-
KEF
2 stops26h 05m
Scandinavian Airlines
Tue 5/195:05 pm
KEF
-
SJC
2 stops36h 09m
Scandinavian Airlines
Deal found 2/18$862
This oojo deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:25 am
SJC
-
KEF
1 stop16h 00m
Icelandair
Tue 4/217:45 pm
KEF
-
SJC
1 stop33h 50m
Icelandair
Deal found 2/17$869
This oojo deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:40 am
SJC
-
KEF
1 stop10h 35m
Icelandair
Sun 11/225:00 pm
KEF
-
SJC
1 stop13h 12m
Icelandair
Deal found 2/17$870
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:40 am
SJC
-
KEF
1 stop18h 50m
United Airlines
Wed 8/2610:00 am
KEF
-
SJC
2 stops38h 43m
United Airlines
Deal found 2/19$879
This FlightHub deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/162:34 pm
SJC
-
KEF
1 stop11h 51m
Icelandair
Sat 5/2310:40 am
KEF
-
SJC
1 stop19h 51m
Icelandair
Deal found 2/17$881
This EaseMyTrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
SJC
-
KEF
2 stops17h 55m
Air Canada
Wed 8/2610:00 am
KEF
-
SJC
2 stops18h 11m
Air Canada
Deal found 2/19$882
This oojo deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:00 pm
SJC
-
KEF
1 stop13h 00m
Icelandair
Mon 6/157:45 pm
KEF
-
SJC
1 stop27h 02m
Icelandair
Deal found 2/18$883
This oojo deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:00 pm
SJC
-
KEF
1 stop13h 00m
Icelandair
Tue 6/167:45 pm
KEF
-
SJC
1 stop27h 02m
Icelandair
Deal found 2/16$884
This United Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:40 am
SJC
-
KEF
1 stop18h 50m
United Airlines
Wed 9/169:15 am
KEF
-
SJC
2 stops44h 21m
United Airlines
Deal found 2/17$886
This oojo deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:15 am
SJC
-
KEF
1 stop20h 10m
Icelandair
Fri 4/174:50 pm
KEF
-
SJC
1 stop13h 09m
Icelandair
Deal found 2/17$887

Find flight deals from San Jose to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) 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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$846
(CheapOair)

One-way from

$486
(Kiwi.com)

Popular in

May

Cheapest in

June

Average price

$1,167
Provider with most accurate pricing for San Jose-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Reykjavik Keflavik Intl flights.
Search Deals
From San Jose to Reykjavik Keflavik Intl
Search Deals
One-way flight from San Jose to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose 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 2,558,603 searches. Data last updated February 19, 2026.
Use the filters below to find and compare flights from San Jose to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

San Jose

Fly to

Keflavik Intl

Route

Depart

Return

Price

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Sat 8/15

4:41 pm-9:00 am

1 stop33h 19m

Reykjavik Keflavik Intl

Fri 8/28

12:45 pm-5:56 pm

1 stop12h 11m

$853

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Wed 8/12

6:40 am-8:30 am

1 stop18h 50m

Reykjavik Keflavik Intl

Wed 8/26

10:00 am-5:43 pm

2 stops38h 43m

$879

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Mon 6/8

6:00 pm-2:00 pm

1 stop13h 00m

Reykjavik Keflavik Intl

Fri 6/12

7:45 pm-9:19 am

1 stop20h 34m

$897

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Sat 7/25

8:58 pm-9:25 am

1 stop29h 27m

Reykjavik Keflavik Intl

Tue 8/4

7:45 pm-3:47 pm

1 stop27h 02m

$915

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Mon 6/1

6:00 pm-2:00 pm

1 stop13h 00m

Reykjavik Keflavik Intl

Thu 6/11

4:50 pm-10:04 pm

1 stop12h 14m

$916

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Sat 5/23

6:00 pm-2:00 pm

1 stop13h 00m

Reykjavik Keflavik Intl

Sun 5/31

4:50 pm-10:59 pm

1 stop13h 09m

$917

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Tue 8/18

1:19 pm-2:00 pm

1 stop17h 41m

Reykjavik Keflavik Intl

Mon 8/24

4:50 pm-5:56 pm

1 stop32h 06m

$917

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Sat 5/16

5:50 am-6:20 am

2 stops17h 30m

Reykjavik Keflavik Intl

Sat 5/23

9:30 am-8:38 pm

1 stop18h 08m

$920

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Sat 5/16

5:50 am-6:20 am

2 stops17h 30m

Reykjavik Keflavik Intl

Sat 5/23

8:50 am-8:38 pm

2 stops18h 48m

$920

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Wed 8/12

10:13 am-9:25 am

1 stop16h 12m

Reykjavik Keflavik Intl

Wed 8/26

7:45 pm-10:12 pm

1 stop33h 27m

$944

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 18 results
1
2

Compare providers for flights from San Jose to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to Keflavik Intl in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Jose, California-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Jose, California-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from San Jose 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.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Reykjavik Keflavik Intl Airport

What is the cheapest month to book a flight from San Jose, California to Reykjavik Keflavik Intl Airport?

Currently, April is the cheapest month in which you can book a flight from San Jose, California to Reykjavik Keflavik Intl Airport (average of $167). Flying from San Jose, California to Reykjavik Keflavik Intl Airport in February is currently the most expensive (average of $852). 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.

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 February 19, 2026.
Read reviews from past customers who have flown Alaska Airlines and Icelandair from San Jose to Reykjavik Keflavik Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,907 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,907 reviews
Alaska Airlines
8.0
Very good
11,907 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Icelandair
7.1
Good
615 reviews
Alaska Airlines
8.0
Very good
11,907 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from San Jose 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 Jose to Reykjavik Keflavik Intl?

    San Jose (SJC) is the airport you will fly out of if you book a flight from San Jose to Reykjavik Keflavik Intl. You should not have trouble finding flights to Reykjavik Keflavik Intl from San Jose; the airport handles an average of 0 outbound flights to Reykjavik Keflavik Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the San Jose airport to Reykjavik Keflavik Intl. It is only a 2.9 mi journey to San Jose (SJC) from San Jose’s city center.

  • How long is the flight from San Jose, California to Reykjavik Keflavik Intl Airport?

    Departing from San Jose, California to Reykjavik Keflavik Intl Airport will take you 13h. There are 4193 mi between San Jose, California and Reykjavik Keflavik Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Our cheapest airline available from San Jose, California to Reykjavik Keflavik Intl Airport is Alaska Airlines. Our recent data shows that you can find tickets from as low as $646 on this airline. An additional option worth looking into is Icelandair, starting at $736. Users have found that Alaska Airlines is 40% cheaper than the other options available to this destination.

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

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

  • How can I find direct flights from San Jose 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 Jose to Keflavik Intl.

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

    Yes. Cheapflights offers flight deals from San Jose 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.

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

    Currently, April is the cheapest month in which you can book a flight from San Jose, California to Reykjavik Keflavik Intl Airport (average of $167). Flying from San Jose, California to Reykjavik Keflavik Intl Airport in February is currently the most expensive (average of $852). 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

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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Top 2 airlines flying from San Jose to Keflavik Intl

Discover the top 2 airlines that operate flights from San Jose 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 2,558,603 searches. Data last updated February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$646Average$1,167FlexibilityNo cancel feeOn-time75%
IcelandairCheapest$736Average$1,124FlexibilityNo cancel feeOn-time76%

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