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Keflavik Intl

$329+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KEF
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. 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.
Thu 11/275:45 amLAX - KEF
1 stop17h 00mMultiple Airlines
Thu 12/44:30 pmKEF - LAX
1 stop15h 22mMultiple Airlines
Deal found 10/29$506
This Booking.com deal was found by Cheapflights users on 10/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:10 pmLAX - KEF
1 stop34h 10mMultiple Airlines
Sun 12/73:20 pmKEF - LAX
1 stop29h 45mMultiple Airlines
Deal found 10/30$515
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:25 pmSFO - KEF
1 stop33h 55mSWISS
Sat 12/62:20 pmKEF - SFO
1 stop34h 10mSWISS
Deal found 10/28$522
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/277:25 pmSFO - KEF
1 stop33h 55mSWISS
Sat 12/132:20 pmKEF - SFO
1 stop34h 10mSWISS
Deal found 10/29$524
This Flightnetwork deal was found by Cheapflights users on 10/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:10 pmLAX - KEF
1 stop34h 10mSWISS
Sat 12/132:20 pmKEF - LAX
1 stop34h 15mSWISS
Deal found 10/29$528
This Booking.com deal was found by Cheapflights users on 10/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:30 pmLAX - KEF
2 stops35h 50mLufthansa
Sun 12/73:20 pmKEF - LAX
1 stop29h 45mLufthansa
Deal found 10/30$533
This Trip.com deal was found by Cheapflights users on 10/30. 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.
Mon 12/89:49 amSJC - KEF
1 stop12h 26mMultiple Airlines
Mon 12/154:50 pmKEF - SJC
1 stop14h 09mMultiple Airlines
Deal found 10/30$539
This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:30 pmLAX - KEF
2 stops35h 50mMultiple Airlines
Sat 12/132:20 pmKEF - LAX
1 stop34h 15mMultiple Airlines
Deal found 10/29$544
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Thu 12/47:25 pmSFO - KEF
1 stop33h 55mMultiple Airlines
Tue 12/93:20 pmKEF - SFO
1 stop29h 20mMultiple Airlines
Deal found 10/30$558
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:10 pmLAX - KEF
1 stop34h 10mMultiple Airlines
Tue 12/23:20 pmKEF - LAX
1 stop29h 45mMultiple Airlines
Deal found 10/29$561
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Thu 11/275:30 pmLAX - KEF
2 stops35h 50mLufthansa
Sat 12/132:20 pmKEF - LAX
2 stops54h 45mLufthansa
Deal found 10/29$570
This Gurufare deal was found by Cheapflights users on 10/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:10 pmLAX - KEF
1 stop34h 10mMultiple Airlines
Tue 12/93:20 pmKEF - LAX
1 stop29h 45mMultiple Airlines
Deal found 10/29$571

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$506
(Mytrip)

One-way from

$329
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$900
Provider with most accurate pricing for Los Angeles-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Reykjavik (REK) flights.
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From California to Reykjavik Keflavik Intl
Search Deals
One-way flight from California to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 30, 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 JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Mon 12/8

6:18 am-6:15 am

2 stops15h 57m

Reykjavik Keflavik Intl

Mon 12/15

4:50 pm-10:59 pm

1 stop14h 09m

$577

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Thu 12/4

7:25 pm-1:20 pm

1 stop33h 55m

Reykjavik Keflavik Intl

Tue 12/9

3:20 pm-5:28 pm

2 stops34h 08m

$586

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Sun 2/22

6:50 pm-9:15 am

1 stop30h 25m

Reykjavik Keflavik Intl

Wed 3/4

9:45 am-12:40 am

2 stops22h 55m

$600

Las VegasReykjavik

LAS - KEF

LASKEF

Las Vegas Harry Reid Intl

Tue 4/21

2:37 pm-7:50 am

2 stops34h 13m

Reykjavik Keflavik Intl

Tue 4/28

5:10 pm-10:40 pm

2 stops36h 30m

$609

San JoseReykjavik

SJC - KEF

SJCKEF

San Jose

Tue 2/3

6:00 am-9:00 am

2 stops43h 00m

Reykjavik Keflavik Intl

Wed 2/11

9:45 am-9:31 pm

2 stops43h 46m

$619

Santa AnaReykjavik

SNA - KEF

SNAKEF

Santa Ana J. Wayne/Orange Cnty

Wed 12/3

6:45 am-9:15 am

2 stops42h 30m

Reykjavik Keflavik Intl

Fri 12/12

10:00 am-12:31 pm

2 stops34h 31m

$620

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Wed 4/22

5:30 pm-12:10 am

1 stop23h 40m

Reykjavik Keflavik Intl

Tue 5/5

2:20 pm-1:05 pm

1 stop29h 45m

$621

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Mon 3/9

8:20 pm-9:15 am

2 stops29h 55m

Reykjavik Keflavik Intl

Wed 3/18

9:45 am-2:30 pm

2 stops35h 45m

$622

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Mon 12/8

6:34 am-6:05 am

1 stop15h 31m

Reykjavik Keflavik Intl

Mon 12/15

4:55 pm-11:59 pm

1 stop15h 04m

$634

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Sun 3/8

7:50 pm-9:15 am

1 stop30h 25m

Reykjavik Keflavik Intl

Sat 3/14

6:00 pm-6:05 pm

1 stop31h 05m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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, April is the cheapest month in which you can book a flight from California to Reykjavik Keflavik Intl Airport (average of $167). Flying from California to Reykjavik Keflavik Intl Airport in December is currently the most expensive (average of $743). 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 October 30, 2025.

It’s optimal to fly from California to Reykjavik Keflavik Intl Airport in the morning. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from California to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from California to Keflavik Intl. Price data was last updated on October 27, 2024.

Travelers seeking maximum savings on their California to Reykjavik Keflavik Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 26h 54m. California and Reykjavik Keflavik Intl Airport are separated by a distance of 4080 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 Icelandair, which is currently one of the cheapest options available, starting at $552. Lufthansa flights start at $557 while deals on American Airlines start at $601 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, April is the cheapest month in which you can book a flight from California to Reykjavik Keflavik Intl Airport (average of $167). Flying from California to Reykjavik Keflavik Intl Airport in December is currently the most expensive (average of $743). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$526Average$664FlexibilityNo cancel feeOn-time60%
DeltaCheapest$556Average$841FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$601Average$689FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$604Average$820FlexibilityNo cancel feeOn-time70%
Alaska AirlinesCheapest$646Average$1,136FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$650Average$896FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$653Average$755FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$655Average$853FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$681Average$864FlexibilityNo cancel feeOn-time67%
KLMCheapest$730Average$943FlexibilityNo cancel feeOn-time75%

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