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Keflavik Intl

$422+ Cheap flights from San Jose (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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — KEF
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
1 adult, Economy
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Cheap 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 June 14, 2025.

Round-trip from

$581
(ResecentrumGruppen)

One-way from

$422
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$1,176
From San Jose to Reykjavik Keflavik Intl
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One-way flight from San Jose to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 14% potential increase in price ($195 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 14, 2025.

This ResecentrumGruppen deal was found by Cheapflights users on 6/13. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:00 amSJC - KEF
2 stops18h 15mAir Canada
Wed 8/209:30 amKEF - SJC
2 stops38h 47mAir Canada
Deal found 6/13$581
This Delta deal was found by Cheapflights users on 6/11. 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 8/171:20 pmSJC - KEF
1 stop10h 40mDelta
Mon 8/259:30 amKEF - SJC
1 stop18h 07mDelta
Deal found 6/11$626
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/146:20 amSJC - KEF
1 stop17h 40mKLM
Sun 7/208:50 amKEF - SJC
1 stop19h 56mKLM
Deal found 6/12$652
This United Airlines deal was found by Cheapflights users on 6/13. 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 9/86:30 amSJC - KEF
1 stop19h 00mUnited Airlines
Fri 9/199:30 amKEF - SJC
2 stops44h 10mUnited Airlines
Deal found 6/13$657
This Mytrip deal was found by Cheapflights users on 6/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/94:22 pmSJC - KEF
2 stops29h 33mMultiple Airlines
Wed 7/163:45 pmKEF - SJC
3 stops39h 09mMultiple Airlines
Deal found 6/13$692
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:32 pmSJC - KEF
2 stops36h 23mBritish Airways
Sun 11/96:20 pmKEF - SJC
2 stops58h 23mBritish Airways
Deal found 6/12$700
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:30 pmSJC - KEF
2 stops28h 05mLufthansa
Thu 9/41:15 amKEF - SJC
2 stops27h 03mLufthansa
Deal found 6/12$728
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:35 amSJC - KEF
2 stops21h 45mScandinavian Airlines
Tue 9/165:10 pmKEF - SJC
2 stops31h 38mScandinavian Airlines
Deal found 6/12$827
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:10 amSJC - KEF
1 stop14h 05mIcelandair
Thu 11/65:05 pmKEF - SJC
1 stop13h 54mIcelandair
Deal found 6/12$989
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:17 pmSJC - KEF
2 stops26h 58mAlaska Airlines
Sun 11/95:05 pmKEF - SJC
1 stop25h 42mAlaska Airlines
Deal found 6/12$1,038

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 June 14, 2025.
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

Mon 8/4

7:00 am-8:15 am

2 stops18h 15m

Reykjavik Keflavik Intl

Wed 8/20

9:30 am-5:17 pm

2 stops38h 47m

$581

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Sun 8/17

1:20 pm-7:00 am

1 stop10h 40m

Reykjavik Keflavik Intl

Mon 8/25

9:30 am-8:37 pm

1 stop18h 07m

$626

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Mon 7/14

6:20 am-7:00 am

1 stop17h 40m

Reykjavik Keflavik Intl

Sun 7/20

8:50 am-9:46 pm

1 stop19h 56m

$652

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Mon 9/8

6:30 am-8:30 am

1 stop19h 00m

Reykjavik Keflavik Intl

Fri 9/19

9:30 am-10:40 pm

2 stops44h 10m

$657

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Wed 7/9

4:22 pm-4:55 am

2 stops29h 33m

Reykjavik Keflavik Intl

Wed 7/16

3:45 pm-11:54 pm

3 stops39h 09m

$692

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Wed 11/5

2:32 pm-10:55 am

2 stops36h 23m

Reykjavik Keflavik Intl

Sun 11/9

6:20 pm-8:43 pm

2 stops58h 23m

$700

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Tue 8/26

12:30 pm-11:35 pm

2 stops28h 05m

Reykjavik Keflavik Intl

Thu 9/4

1:15 am-9:18 pm

2 stops27h 03m

$728

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Wed 9/3

11:35 am-4:20 pm

2 stops21h 45m

Reykjavik Keflavik Intl

Tue 9/16

5:10 pm-5:48 pm

2 stops31h 38m

$827

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Sun 11/2

8:10 am-6:15 am

1 stop14h 05m

Reykjavik Keflavik Intl

Thu 11/6

5:05 pm-10:59 pm

1 stop13h 54m

$989

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Wed 11/5

7:17 pm-6:15 am

2 stops26h 58m

Reykjavik Keflavik Intl

Sun 11/9

5:05 pm-10:47 am

1 stop25h 42m

$1,038

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 18 results
1
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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 to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from San Jose to Reykjavik Keflavik Intl Airport (average of $328). Flying from San Jose to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $659). 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.

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

Find hourly flight availability from San Jose to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 14, 2025.

A simple way to save on the total cost of your ticket is to fly from San Jose to Reykjavik Keflavik Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the afternoon.

Rainfall in Keflavik Intl by month

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

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

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

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 14, 2025.
Read through reviews of airlines operating flights from San Jose to Reykjavik, such as Alaska Airlines, Delta and KLM. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,958 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
KLM
7.8
Good
1,361 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,793 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Scandinavian Airlines
7.3
Good
1,388 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Air Canada, at $581, was found to be the cheapest airline from San Jose to Reykjavik Keflavik Intl Airport.Alternate airlines to your destination round-trip include Delta and KLM. Air Canada is 50% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from San Jose to Reykjavik Keflavik Intl Airport are United Airlines ($499), Air Canada ($506), and Icelandair ($527).

  • 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 to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from San Jose to Reykjavik Keflavik Intl Airport (average of $328). Flying from San Jose to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $659). 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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Keflavik

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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 June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$883Average$1,194FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$1,020Average$1,185FlexibilityNo cancel feeOn-time75%

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