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Keflavik Intl

$241+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KEF
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Round-trip from

$492
(Kiwi.com)

One-way from

$241
(Kiwi.com)

Popular in

May

Cheapest in

March
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. 11% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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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 April 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/110:15 pmLAS - KEF
1 stop23h 40mMultiple Airlines
Thu 5/83:05 pmKEF - LAS
2 stops23h 14mMultiple Airlines
Deal found 4/1$492
This Trip.com deal was found by Cheapflights users on 4/1. 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.
Wed 8/2011:30 amLAS - KEF
1 stop13h 45mWestJet
Wed 8/279:35 amKEF - LAS
1 stop18h 55mWestJet
Deal found 4/1$505
This Booking.com deal was found by Cheapflights users on 4/1. 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.
Tue 8/1212:50 pmSNA - KEF
1 stop12h 25mWestJet
Wed 8/209:35 amKEF - SNA
1 stop33h 24mWestJet
Deal found 4/1$532
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 6/310:15 amSFO - KEF
2 stops39h 00mMultiple Airlines
Tue 6/109:35 amKEF - SFO
1 stop14h 40mMultiple Airlines
Deal found 4/2$560
This WestJet deal was found by Cheapflights users on 3/31. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/306:05 pmSFO - KEF
1 stop31h 10mWestJet
Fri 7/119:35 amKEF - SFO
1 stop14h 40mWestJet
Deal found 3/31$562
This Mytrip deal was found by Cheapflights users on 4/1. 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 5/16:15 amSAN - KEF
2 stops39h 40mMultiple Airlines
Thu 5/83:05 pmKEF - SAN
3 stops33h 58mMultiple Airlines
Deal found 4/1$576
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Tue 4/2912:34 pmSMF - KEF
3 stops33h 21mMultiple Airlines
Tue 5/63:45 pmKEF - SMF
3 stops33h 57mMultiple Airlines
Deal found 4/1$605
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 8/512:50 pmSNA - KEF
1 stop12h 25mMultiple Airlines
Fri 8/159:35 amKEF - SNA
2 stops17h 28mMultiple Airlines
Deal found 4/1$605
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/307:00 amLAX - KEF
1 stop18h 15mWestJet
Tue 6/39:35 amKEF - LAX
2 stops17h 48mWestJet
Deal found 4/1$615
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Mon 5/1211:10 pmLAX - KEF
2 stops22h 35mMultiple Airlines
Wed 5/213:05 pmKEF - LAX
1 stop15h 21mMultiple Airlines
Deal found 3/31$617
This Finnair deal was found by Cheapflights users on 4/1. 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.
Tue 11/45:30 pmSFO - KEF
2 stops31h 45mFinnair
Tue 11/1810:00 amKEF - SFO
2 stops37h 00mFinnair
Deal found 4/1$659
This oojo deal was found by Cheapflights users on 4/2. 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 10/17:40 pmSFO - KEF
1 stop30h 50mScandinavian Airlines
Tue 10/75:10 pmKEF - SFO
1 stop30h 20mScandinavian Airlines
Deal found 4/2$661

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 April 2, 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

Las VegasReykjavik

LAS - KEF

LASKEF

Las Vegas Harry Reid Intl

Thu 5/1

10:15 pm-4:55 am

1 stop23h 40m

Reykjavik Keflavik Intl

Thu 5/8

3:05 pm-7:19 am

2 stops23h 14m

$492

Las VegasReykjavik

LAS - KEF

LASKEF

Las Vegas Harry Reid Intl

Thu 5/29

6:20 pm-8:15 am

1 stop30h 55m

Reykjavik Keflavik Intl

Tue 6/10

9:35 am-9:30 pm

1 stop18h 55m

$531

Santa AnaReykjavik

SNA - KEF

SNAKEF

Santa Ana J. Wayne/Orange Cnty

Tue 8/12

12:50 pm-8:15 am

1 stop12h 25m

Reykjavik Keflavik Intl

Wed 8/20

9:35 am-11:59 am

1 stop33h 24m

$532

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 6/3

10:15 am-8:15 am

2 stops39h 00m

Reykjavik Keflavik Intl

Tue 6/10

9:35 am-5:15 pm

1 stop14h 40m

$560

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 6/30

6:05 pm-8:15 am

1 stop31h 10m

Reykjavik Keflavik Intl

Fri 7/11

9:35 am-5:15 pm

1 stop14h 40m

$562

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Thu 5/1

6:15 am-4:55 am

2 stops39h 40m

Reykjavik Keflavik Intl

Thu 5/8

3:05 pm-6:03 pm

3 stops33h 58m

$576

SacramentoReykjavik

SMF - KEF

SMFKEF

Sacramento Intl

Tue 4/29

12:34 pm-4:55 am

3 stops33h 21m

Reykjavik Keflavik Intl

Tue 5/6

3:45 pm-6:42 pm

3 stops33h 57m

$605

Santa AnaReykjavik

SNA - KEF

SNAKEF

Santa Ana J. Wayne/Orange Cnty

Tue 8/5

12:50 pm-8:15 am

1 stop12h 25m

Reykjavik Keflavik Intl

Fri 8/15

9:35 am-8:03 pm

2 stops17h 28m

$605

Los AngelesReykjavik

LAX - KEF

LAXKEF

Los Angeles

Fri 5/30

7:00 am-8:15 am

1 stop18h 15m

Reykjavik Keflavik Intl

Tue 6/3

9:35 am-8:23 pm

2 stops17h 48m

$615

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 9/23

7:40 pm-9:30 am

1 stop30h 50m

Reykjavik Keflavik Intl

Sun 9/28

5:10 pm-4:30 pm

1 stop30h 20m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 July is currently the most expensive (average of $651). 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 April 2, 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.

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 April 2, 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines and KLM from California to Reykjavik by reading reviews from past customers. 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.
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Alaska Airlines
8.0
Very good
9,823 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
771 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 $241. Icelandair flights start at $513 while deals on Scandinavian Airlines start at $537 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 Diego - 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 July is currently the most expensive (average of $651). 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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Alternative routes for California to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$330Average$851FlexibilityNo cancel feeOn-time70%
WestJetCheapest$453Average$764FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$578Average$852FlexibilityNo cancel feeOn-time67%
KLMCheapest$630Average$922FlexibilityNo cancel feeOn-time75%
DeltaCheapest$640Average$930FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$640Average$986FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$641Average$837FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$649Average$744FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$740Average$970FlexibilityNo cancel feeOn-time72%
IcelandairCheapest$853Average$1,114FlexibilityNo cancel feeOn-time76%

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