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Keflavik Intl

$206+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KEF
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$511
(Kiwi.com)

One-way from

$227
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$974
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. 2% potential increase in price ($27 potential increase over avg. RT price).
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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 July 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 julio 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
sáb. 9/138:52 pmLAS - KEF
1 stop25h 03mMultiple Airlines
jue. 9/183:05 pmKEF - LAS
1 stop13h 13mMultiple Airlines
Deal found 7/29$511
This lol.travel deal was found by Cheapflights users on 7/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/410:41 amSAN - KEF
1 stop14h 49mUnited Airlines
mié. 8/209:30 amKEF - SAN
1 stop17h 08mUnited Airlines
Deal found 7/28$592
This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/16:00 pmSAN - KEF
1 stop32h 50mBritish Airways
mar. 12/911:50 amKEF - SAN
1 stop36h 20mBritish Airways
Deal found 7/29$601
This Finnair deal was found by Cheapflights users on 7/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/298:36 amBUR - KEF
2 stops40h 39mMultiple Airlines
lun. 1/1210:00 amKEF - BUR
2 stops42h 21mMultiple Airlines
Deal found 7/30$612
This Finnair deal was found by Cheapflights users on 7/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2910:52 amSNA - KEF
2 stops38h 23mMultiple Airlines
lun. 1/1210:00 amKEF - SNA
2 stops42h 15mMultiple Airlines
Deal found 7/30$612
This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/118:55 pmLAS - KEF
1 stop29h 50mBritish Airways
jue. 11/2011:45 amKEF - LAS
2 stops39h 29mBritish Airways
Deal found 7/29$614
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/79:35 pmSAN - KEF
1 stop24h 10mMultiple Airlines
jue. 9/183:05 pmKEF - SAN
2 stops15h 19mMultiple Airlines
Deal found 7/28$618
This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/54:25 pmSNA - KEF
2 stops34h 30mBritish Airways
mié. 11/1211:50 amKEF - SNA
2 stops36h 06mBritish Airways
Deal found 7/29$619
This Finnair deal was found by Cheapflights users on 7/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/118:55 pmLAS - KEF
2 stops28h 20mFinnair
jue. 11/2010:00 amKEF - LAS
2 stops40h 50mFinnair
Deal found 7/30$634
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/125:35 pmSAN - KEF
2 stops31h 35mAir Canada
jue. 8/219:30 amKEF - SAN
2 stops33h 10mAir Canada
Deal found 7/29$636
This Lufthansa deal was found by Cheapflights users on 7/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/318:35 amSMF - KEF
2 stops21h 40mLufthansa
jue. 1/83:10 pmKEF - SMF
2 stops40h 18mLufthansa
Deal found 7/30$637
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/167:00 amSJC - KEF
2 stops42h 15mAir Canada
mar. 8/269:50 amKEF - SJC
2 stops42h 28mAir Canada
Deal found 7/28$642

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 julio 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

Las VegasReykjavik

LAS - KEF

LASKEF

Las Vegas Harry Reid Intl

sáb. 9/13

8:52 pm-4:55 am

1 stop25h 03m

Reykjavik Keflavik Intl

jue. 9/18

3:05 pm-9:18 pm

1 stop13h 13m

$511

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

lun. 12/1

6:00 pm-10:50 am

1 stop32h 50m

Reykjavik Keflavik Intl

mar. 12/9

11:50 am-4:10 pm

1 stop36h 20m

$601

BurbankReykjavik

BUR - KEF

BURKEF

Burbank Bob Hope

lun. 12/29

8:36 am-9:15 am

2 stops40h 39m

Reykjavik Keflavik Intl

lun. 1/12

10:00 am-8:21 pm

2 stops42h 21m

$612

Santa AnaReykjavik

SNA - KEF

SNAKEF

Santa Ana J. Wayne/Orange Cnty

lun. 12/29

10:52 am-9:15 am

2 stops38h 23m

Reykjavik Keflavik Intl

lun. 1/12

10:00 am-8:15 pm

2 stops42h 15m

$612

Las VegasReykjavik

LAS - KEF

LASKEF

Las Vegas Harry Reid Intl

mar. 11/11

8:55 pm-10:45 am

1 stop29h 50m

Reykjavik Keflavik Intl

jue. 11/20

11:45 am-7:14 pm

2 stops39h 29m

$614

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

dom. 9/7

9:35 pm-4:45 am

1 stop24h 10m

Reykjavik Keflavik Intl

jue. 9/18

3:05 pm-11:24 pm

2 stops15h 19m

$618

Santa AnaReykjavik

SNA - KEF

SNAKEF

Santa Ana J. Wayne/Orange Cnty

mié. 11/5

4:25 pm-10:55 am

2 stops34h 30m

Reykjavik Keflavik Intl

mié. 11/12

11:50 am-3:56 pm

2 stops36h 06m

$619

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

mar. 8/12

8:44 pm-8:30 am

2 stops28h 46m

Reykjavik Keflavik Intl

jue. 8/21

9:30 am-11:40 am

2 stops33h 10m

$633

Las VegasReykjavik

LAS - KEF

LASKEF

Las Vegas Harry Reid Intl

mar. 11/11

8:55 pm-9:15 am

2 stops28h 20m

Reykjavik Keflavik Intl

jue. 11/20

10:00 am-6:50 pm

2 stops40h 50m

$634

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

mar. 8/12

5:35 pm-8:10 am

2 stops31h 35m

Reykjavik Keflavik Intl

jue. 8/21

9:30 am-11:40 am

2 stops33h 10m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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, 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 $653). 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 julio 30, 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.

How much does it cost to fly round-trip from California to Reykjavik Keflavik Intl Airport?

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 julio 30, 2025.
Read through reviews of airlines operating flights from California to Reykjavik Keflavik Intl Airport, such as Delta, KLM, and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,316 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $257. British Airways flights start at $476 while deals on Finnair start at $478 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 San Francisco - Reykjavik Keflavik Intl, Los Angeles - Reykjavik Keflavik Intl and Oakland - 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 $653). 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$507Average$849FlexibilityNo cancel feeOn-time71%
WestJetCheapest$519Average$656FlexibilityNo cancel feeOn-time60%
DeltaCheapest$556Average$870FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$641Average$836FlexibilityNo cancel feeOn-time77%
KLMCheapest$641Average$932FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$653Average$873FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$660Average$875FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$663Average$835FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$674Average$893FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$740Average$943FlexibilityNo cancel feeOn-time72%

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