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Keflavik Intl

$554+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — KEF
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
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 August 16, 2025.

Round-trip from

$735
(United Airlines)

One-way from

$554
(United Airlines)

Popular in

June

Cheapest in

September

Average price

$1,195
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. 10% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 16, 2025.

This Orbitz deal was found by Cheapflights users on 8/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/147:00 amSJC - KEF
2 stops42h 20mAir Canada
Thu 8/219:50 amKEF - SJC
2 stops34h 44mAir Canada
Deal found 8/13$677
This Delta deal was found by Cheapflights users on 8/14. 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 8/176:20 amSJC - KEF
1 stop17h 40mDelta
Mon 8/258:50 amKEF - SJC
1 stop18h 52mDelta
Deal found 8/14$701
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 8/142:31 pmSJC - KEF
2 stops34h 49mUnited Airlines
Thu 8/2112:00 pmKEF - SJC
1 stop17h 40mUnited Airlines
Deal found 8/13$708
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:20 pmSJC - KEF
2 stops30h 50mUnited Airlines
Fri 9/199:30 amKEF - SJC
2 stops44h 10mUnited Airlines
Deal found 8/16$735
This United Airlines deal was found by Cheapflights users on 8/15. 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 8/206:30 amSJC - KEF
2 stops18h 40mUnited Airlines
Wed 8/2712:00 pmKEF - SJC
1 stop17h 40mUnited Airlines
Deal found 8/15$758
This Air Canada deal was found by Cheapflights users on 8/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:20 pmSJC - KEF
2 stops30h 50mMultiple Airlines
Fri 9/199:30 amKEF - SJC
3 stops31h 21mMultiple Airlines
Deal found 8/16$762
This United Airlines deal was found by Cheapflights users on 8/15. 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 8/246:30 amSJC - KEF
1 stop19h 00mUnited Airlines
Sun 8/319:30 amKEF - SJC
2 stops31h 21mUnited Airlines
Deal found 8/15$766
This Air Canada deal was found by Cheapflights users on 8/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:30 amSJC - KEF
2 stops18h 45mMultiple Airlines
Wed 8/279:30 amKEF - SJC
3 stops31h 21mMultiple Airlines
Deal found 8/15$769

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 August 16, 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 9/8

6:20 pm-8:10 am

2 stops30h 50m

Reykjavik Keflavik Intl

Fri 9/19

9:30 am-10:40 pm

2 stops44h 10m

$735

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Mon 9/8

6:20 pm-8:10 am

2 stops30h 50m

Reykjavik Keflavik Intl

Fri 9/19

9:30 am-10:40 pm

2 stops44h 10m

$735

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Tue 8/26

6:30 am-8:30 am

1 stop19h 00m

Reykjavik Keflavik Intl

Sun 8/31

9:50 am-9:51 am

2 stops31h 01m

$772

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Mon 9/15

6:30 am-8:30 am

1 stop19h 00m

$554

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Sat 9/27

8:45 am-8:10 am

3 stops16h 25m

$554

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Sat 9/27

6:30 am-8:10 am

2 stops18h 40m

$554

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Wed 10/1

6:30 am-8:15 am

2 stops18h 45m

$560

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Sun 9/28

8:45 am-8:15 am

3 stops16h 30m

$560

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Sun 9/28

6:30 am-8:15 am

2 stops18h 45m

$560

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Thu 12/18

9:37 am-6:15 am

1 stop12h 38m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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 $655). 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 August 16, 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.

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 August 16, 2025.
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
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

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

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Icelandair
7.0
Good
526 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

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?

    Icelandair, at $736, was found to be the cheapest airline from San Jose to Reykjavik Keflavik Intl Airport. An alternate airline flying to your destination would be Alaska Airlines. Icelandair is 30% cheaper than the average price of flights available within the next 90 days 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 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 $655). 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$736Average$1,126FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$975Average$1,185FlexibilityNo cancel feeOn-time75%

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