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Keflavik Intl

$197+ Cheap flights from California 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KEF
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from California to Keflavik Intl

Keep the following information in mind while searching for California to Keflavik Intl flight deals. Data was last updated September 15, 2025.

Round-trip from

$555
(Kiwi.com)

One-way from

$197
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$842
From California to Reykjavik Keflavik Intl
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One-way flight from California to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 6% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from California to Keflavik Intl

Cheapest flights from California to Keflavik Intl
Explore the most affordable flight options available from California to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/108:45 pmLAS - KEF
1 stop25h 10mMultiple Airlines
Fri 10/173:05 pmKEF - LAS
1 stop26h 00mMultiple Airlines
Deal found 9/13$555
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:25 amSAN - KEF
1 stop15h 40mMultiple Airlines
Mon 12/154:55 pmKEF - SAN
1 stop15h 06mMultiple Airlines
Deal found 9/14$571
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:41 amSAN - KEF
1 stop16h 19mMultiple Airlines
Thu 10/304:55 pmKEF - SAN
1 stop13h 55mMultiple Airlines
Deal found 9/13$604
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:15 amSAN - KEF
1 stop13h 50mMultiple Airlines
Wed 11/194:55 pmKEF - SAN
1 stop14h 55mMultiple Airlines
Deal found 9/14$606
This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 10/115:55 amOAK - KEF
2 stops41h 25mDelta
Tue 10/218:45 amKEF - OAK
2 stops22h 08mDelta
Deal found 9/12$609
This Finnair deal was found by Cheapflights users on 9/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:28 amSNA - KEF
2 stops38h 47mMultiple Airlines
Wed 11/510:00 amKEF - SNA
2 stops34h 20mMultiple Airlines
Deal found 9/14$620
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:41 amSAN - KEF
1 stop16h 19mMultiple Airlines
Wed 10/294:55 pmKEF - SAN
1 stop13h 55mMultiple Airlines
Deal found 9/13$623
This CrystalTravel deal was found by Cheapflights users on 9/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/142:40 pmSFO - KEF
1 stop25h 55mLufthansa
Mon 10/2012:25 amKEF - SFO
1 stop19h 15mLufthansa
Deal found 9/14$645
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/294:35 pmSFO - KEF
2 stops32h 35mMultiple Airlines
Mon 10/612:25 amKEF - SFO
1 stop19h 15mMultiple Airlines
Deal found 9/13$646
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:44 amLAX - KEF
1 stop15h 21mMultiple Airlines
Thu 11/204:55 pmKEF - LAX
1 stop15h 14mMultiple Airlines
Deal found 9/13$646
This Finnair deal was found by Cheapflights users on 9/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:00 pmLAX - KEF
2 stops28h 15mFinnair
Wed 11/510:00 amKEF - LAX
2 stops22h 52mFinnair
Deal found 9/14$647
This KLM deal was found by Cheapflights users on 9/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:45 amSFO - KEF
1 stop19h 45mMultiple Airlines
Tue 10/711:25 amKEF - SFO
1 stop13h 59mMultiple Airlines
Deal found 9/14$648

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 September 15, 2025.
Use the filters below to find and compare flights from California to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

California

Fly to

Keflavik Intl

Route

Depart

Return

Price

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Mon 12/8

6:25 am-6:05 am

1 stop15h 40m

Reykjavik Keflavik Intl

Mon 12/15

4:55 pm-12:01 am

1 stop15h 06m

$571

Las VegasReykjavik

LAS - KEF

LASKEF

Las Vegas Harry Reid Intl

Fri 10/10

10:07 pm-4:55 am

2 stops23h 48m

Reykjavik Keflavik Intl

Fri 10/17

3:05 pm-10:41 am

2 stops26h 36m

$590

OaklandReykjavik

OAK - KEF

OAKKEF

Oakland

Sat 10/11

5:55 am-6:20 am

2 stops41h 25m

Reykjavik Keflavik Intl

Tue 10/21

8:45 am-11:53 pm

2 stops22h 08m

$609

Santa AnaReykjavik

SNA - KEF

SNAKEF

Santa Ana J. Wayne/Orange Cnty

Wed 10/29

11:28 am-9:15 am

2 stops38h 47m

Reykjavik Keflavik Intl

Wed 11/5

10:00 am-12:20 pm

2 stops34h 20m

$620

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Wed 10/22

6:41 am-6:00 am

1 stop16h 19m

Reykjavik Keflavik Intl

Wed 10/29

4:55 pm-11:50 pm

1 stop13h 55m

$623

Las VegasReykjavik

LAS - KEF

LASKEF

Las Vegas Harry Reid Intl

Wed 3/4

11:44 am-9:15 am

2 stops37h 31m

Reykjavik Keflavik Intl

Wed 3/11

10:00 am-7:50 pm

2 stops40h 50m

$636

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Tue 11/4

6:00 am-9:15 am

2 stops43h 15m

Reykjavik Keflavik Intl

Tue 11/11

10:00 am-1:17 pm

2 stops59h 17m

$654

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 10/12

6:00 am-4:20 pm

2 stops27h 20m

Reykjavik Keflavik Intl

Mon 10/27

1:00 pm-4:10 pm

2 stops34h 10m

$655

SacramentoReykjavik

SMF - KEF

SMFKEF

Sacramento Intl

Sat 1/17

10:45 am-6:15 am

1 stop11h 30m

Reykjavik Keflavik Intl

Sun 1/25

5:00 pm-9:48 am

1 stop24h 48m

$655

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 10/13

6:59 pm-9:30 am

2 stops55h 31m

Reykjavik Keflavik Intl

Mon 10/27

1:00 pm-4:10 pm

2 stops34h 10m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results
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Best time to book a flight from California to Keflavik Intl

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

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

Currently, November is the cheapest month in which you can book a flight from California to Reykjavik Keflavik Intl Airport (average of $328). Flying from California 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 CA to KEF?

Find hourly flight availability from California 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Reykjavik Keflavik Intl Airport as you normally would.

Related info for your journey

Find useful and relevant information for your journey from California to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from California to Reykjavik Keflavik Intl Airport will take you 27h 20m. California and Reykjavik Keflavik Intl Airport are separated by a distance of 4190 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $234. Scandinavian Airlines flights start at $429 while deals on Delta start at $455 one-way.

  • What are the most popular routes from California to Reykjavik Keflavik Intl Airport?

    The most popular flight routes from California to Reykjavik Keflavik Intl Airport are Los Angeles - Reykjavik Keflavik Intl, San Francisco - Reykjavik Keflavik Intl and San Jose - Reykjavik Keflavik Intl.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from California to Reykjavik Keflavik Intl Airport (average of $328). Flying from California 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 10 airlines flying from California to Keflavik Intl

Discover the top 10 airlines that operate flights from California 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$526Average$665FlexibilityNo cancel feeOn-time60%
DeltaCheapest$556Average$891FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$601Average$849FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$650Average$894FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$653Average$872FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$655Average$853FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$663Average$820FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$683Average$885FlexibilityNo cancel feeOn-time67%
KLMCheapest$730Average$930FlexibilityNo cancel feeOn-time75%
IcelandairCheapest$736Average$1,103FlexibilityNo cancel feeOn-time76%

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