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$728+ Cheap flights from Keflavik Intl (KEF) to San Jose (SJC)

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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SJC
May 19 — May 261
Mon 5/19
Mon 5/26
1 adult, Economy
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Cheap flight deals from Keflavik Intl to San Jose

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to San Jose (SJC). 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 May 14, 2025.

Round-trip from

$891
(oojo)

One-way from

$728
(oojo)
From Reykjavik Keflavik Intl to San Jose
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One-way flight from Reykjavik Keflavik Intl to San Jose
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Find flight deals from Keflavik Intl to San Jose

Cheapest flights from Keflavik Intl to San Jose
Explore the most affordable flight options available from Keflavik Intl to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2025.

This oojo deal was found by Cheapflights users on 5/13. 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 6/97:45 pmKEF - SJC
1 stop33h 53mIcelandair
Sun 6/226:11 pmSJC - KEF
1 stop12h 49mIcelandair
Deal found 5/13$891
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Mon 7/2112:00 pmKEF - SJC
1 stop17h 35mUnited Airlines
Sat 7/267:00 amSJC - KEF
2 stops17h 00mUnited Airlines
Deal found 5/13$1,127

Cheapflights Fare Finder

Customize your flight search to find flights from Keflavik Intl to San Jose 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 May 14, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to San Jose that are best for you.

Fly from

Keflavik Intl

Fly to

San Jose

Route

Depart

Return

Price

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Mon 6/9

7:45 pm-10:38 pm

1 stop33h 53m

San Jose

Sun 6/22

6:11 pm-2:00 pm

1 stop12h 49m

$891

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Mon 7/21

12:00 pm-10:35 pm

1 stop17h 35m

San Jose

Sat 7/26

7:00 am-7:00 am

2 stops17h 00m

$1,127

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Sat 6/28

10:30 am-5:22 pm

1 stop13h 52m

$728

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Mon 7/7

9:30 am-10:49 pm

2 stops20h 19m

$876

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Sat 7/26

9:30 am-10:35 pm

2 stops20h 05m

$1,397

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Sun 7/6

12:45 am-9:02 pm

2 stops27h 17m

$1,424

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Thu 7/24

1:15 am-9:02 pm

2 stops26h 47m

$1,451

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

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

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

Rainfall in San Jose by month

Plan your trip to San Jose by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Jose ranges from 0.0 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit San Jose when rainfall is around 0.0 in.

Temperature in San Jose by month

Plan your trip to San Jose by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Jose, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing San Jose

Get insights into the airlines that provide service to San Jose. 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 San Jose. Reviews last updated May 14, 2025.
Delta
8.0
Very good
7,949 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,949 reviews
Delta
8.0
Very good
7,949 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,593 reviews
Delta
8.0
Very good
7,949 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,726 reviews
Delta
8.0
Very good
7,949 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Icelandair
7.0
Good
489 reviews
Delta
8.0
Very good
7,949 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Lufthansa
6.7
Okay
7,072 reviews
Delta
8.0
Very good
7,949 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    If you book a flight to San Jose from Reykjavik Keflavik Intl, you will be flying to San Jose, which is the city’s only airport. San Jose (SJC) is located 2.9 mi from the center of San Jose. There are 0 flights from Reykjavik Keflavik Intl to San Jose per day from 0 different airlines.

  • What are the cheapest airlines to fly from Reykjavik Keflavik Intl Airport to San Jose one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $728. Delta flights start at $876 while deals on United Airlines start at $1,397 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to San Jose 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 Reykjavik Keflavik Intl Airport to San Jose?

    Currently, September is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to San Jose (average of $255). Flying from Reykjavik Keflavik Intl Airport to San Jose in June is currently the most expensive (average of $351). 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

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