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$350+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SJC
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$817
(Mytrip)

One-way from

$350
(Kiwi.com)
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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/269:35 amKEF - SJC
2 stops21h 19mMultiple Airlines
Sat 8/23:34 pmSJC - KEF
3 stops33h 41mMultiple Airlines
Deal found 6/10$817
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 7/279:30 amKEF - SJC
2 stops44h 05mUnited Airlines
Sun 8/37:00 amSJC - KEF
2 stops18h 30mUnited Airlines
Deal found 6/12$883
This oojo deal was found by Cheapflights users on 6/10. 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 7/217:45 pmKEF - SJC
1 stop28h 32mIcelandair
Tue 8/56:11 pmSJC - KEF
1 stop12h 49mIcelandair
Deal found 6/10$1,063
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/279:30 amKEF - SJC
1 stop17h 56mDelta
Sun 8/36:20 amSJC - KEF
1 stop17h 40mDelta
Deal found 6/12$1,146

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 June 12, 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

Sat 7/26

9:35 am-11:54 pm

2 stops21h 19m

San Jose

Sat 8/2

3:34 pm-8:15 am

3 stops33h 41m

$817

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Sun 7/27

9:30 am-10:35 pm

2 stops44h 05m

San Jose

Sun 8/3

7:00 am-8:30 am

2 stops18h 30m

$883

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Mon 7/21

7:45 pm-5:17 pm

1 stop28h 32m

San Jose

Tue 8/5

6:11 pm-2:00 pm

1 stop12h 49m

$1,063

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Sun 7/27

9:30 am-8:26 pm

1 stop17h 56m

San Jose

Sun 8/3

6:20 am-7:00 am

1 stop17h 40m

$1,146

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Mon 7/7

9:35 am-10:06 am

3 stops31h 31m

$350

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Wed 10/8

7:45 pm-9:42 pm

1 stop32h 57m

$731

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Sat 8/30

9:35 am-4:07 pm

2 stops13h 32m

$766

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Sun 7/27

1:10 am-8:51 pm

3 stops26h 41m

$1,378

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Fri 6/27

12:25 am-9:02 pm

2 stops27h 37m

$1,412

ReykjavikSan Jose

KEF - SJC

KEFSJC

Reykjavik Keflavik Intl

Sun 7/6

9:30 am-5:18 pm

2 stops38h 48m

$1,450

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
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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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 $731. WestJet flights start at $766 while deals on Finnair start at $1,378 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 $344). 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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