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Keflavik Intl

$538+ Cheap flights from San Diego (SAN) 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — KEF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from San Diego to Keflavik Intl

Cheapest flights from San Diego to Keflavik Intl
Explore the most affordable flight options available from San Diego to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/11. 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 12/298:44 pmSAN - KEF
1 stop25h 21mMultiple Airlines
Thu 1/154:50 pmKEF - SAN
1 stop35h 00mMultiple Airlines
Deal found 12/11$1,011
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:10 pmSAN - KEF
2 stops24h 05mAlaska Airlines
Thu 1/155:00 pmKEF - SAN
2 stops24h 15mAlaska Airlines
Deal found 12/11$1,217
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:59 pmSAN - KEF
1 stop25h 16mAlaska Airlines
Tue 2/245:00 pmKEF - SAN
1 stop12h 49mAlaska Airlines
Deal found 12/9$1,262
This American Airlines deal was found by Cheapflights users on 12/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:59 pmSAN - KEF
2 stops28h 46mMultiple Airlines
Tue 2/2411:50 amKEF - SAN
1 stop36h 20mMultiple Airlines
Deal found 12/9$1,797
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/257:15 amSAN - KEF
1 stop15h 00mMultiple Airlines
Mon 12/295:00 pmKEF - SAN
2 stops23h 45mMultiple Airlines
Deal found 12/10$1,902
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/166:34 amSAN - KEF
1 stop15h 31mMultiple Airlines
Thu 1/14:55 pmKEF - SAN
2 stops47h 52mMultiple Airlines
Deal found 12/9$1,940
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:41 amSAN - KEF
1 stop12h 34mAlaska Airlines
Mon 12/295:00 pmKEF - SAN
1 stop31h 31mAlaska Airlines
Deal found 12/10$1,974

Find flight deals from San Diego to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$585
(KAYAK)

One-way from

$538
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$1,072
Provider with most accurate pricing for San Diego-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for San Diego-Reykjavik Keflavik Intl flights.
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From San Diego to Reykjavik Keflavik Intl
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One-way flight from San Diego to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 December 12, 2025.
Use the filters below to find and compare flights from San Diego to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

San Diego

Fly to

Keflavik Intl

Route

Depart

Return

Price

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sun 1/18

2:11 pm-2:20 pm

2 stops40h 09m

Reykjavik Keflavik Intl

Thu 1/29

3:10 pm-10:33 pm

2 stops39h 23m

$614

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sat 1/17

7:00 am-2:20 pm

2 stops23h 20m

Reykjavik Keflavik Intl

Thu 1/29

3:10 pm-3:45 pm

1 stop32h 35m

$622

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Tue 1/20

9:30 pm-6:05 am

1 stop24h 35m

Reykjavik Keflavik Intl

Tue 1/27

5:00 pm-8:20 pm

1 stop35h 20m

$743

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Fri 1/16

6:25 am-6:05 am

1 stop15h 40m

Reykjavik Keflavik Intl

Tue 1/27

4:55 pm-11:31 pm

1 stop14h 36m

$769

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sat 1/24

11:11 am-11:20 pm

2 stops28h 09m

Reykjavik Keflavik Intl

Sat 1/31

7:35 am-10:47 pm

2 stops23h 12m

$788

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Mon 1/19

8:05 am-3:25 pm

2 stops23h 20m

Reykjavik Keflavik Intl

Mon 1/26

3:40 pm-10:47 pm

2 stops39h 07m

$860

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Thu 3/5

10:37 am-11:20 pm

2 stops28h 43m

Reykjavik Keflavik Intl

Mon 3/9

7:35 am-12:11 am

2 stops23h 36m

$878

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sun 1/25

7:05 am-11:20 pm

2 stops32h 15m

Reykjavik Keflavik Intl

Thu 1/29

11:30 am-12:05 am

2 stops44h 35m

$890

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Thu 5/14

10:55 am-8:30 am

2 stops14h 35m

Reykjavik Keflavik Intl

Sun 5/31

11:30 am-8:33 pm

1 stop16h 03m

$911

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Fri 5/15

1:59 pm-8:30 am

1 stop11h 31m

Reykjavik Keflavik Intl

Sun 5/31

11:30 am-8:33 pm

1 stop16h 03m

$911

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 12 results
1
2

Compare providers for flights from San Diego to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Keflavik Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Keflavik Intl

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

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

Currently, March is the cheapest month in which you can book a flight from San Diego to Reykjavik Keflavik Intl Airport (average of $673). Flying from San Diego to Reykjavik Keflavik Intl Airport in November is currently the most expensive (average of $1,148). 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 SAN to KEF?

Find hourly flight availability from San Diego 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 December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from San Diego to Reykjavik Keflavik Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 17% 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 December 12, 2025.
Read through reviews of airlines operating flights from San Diego to Reykjavik Keflavik Intl Airport, such as Alaska Airlines, United Airlines, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,431 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,431 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Air Canada
7.1
Good
10,514 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Icelandair
7.0
Good
589 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from San Diego 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 Diego to Reykjavik Keflavik Intl?

    San Diego (SAN) is the airport you will fly out of if you book a flight from San Diego to Reykjavik Keflavik Intl. You should not have trouble finding flights to Reykjavik Keflavik Intl from San Diego; 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 4 airlines have flights from the San Diego airport to Reykjavik Keflavik Intl. It is only a 2.6 mi journey to San Diego (SAN) from San Diego’s city center.

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

    Departing from San Diego to Reykjavik Keflavik Intl Airport will take you 28h 09m. There are 4339 mi between San Diego and Reykjavik Keflavik Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Diego to Reykjavik Keflavik Intl Airport round-trip?

    United Airlines, at $650, was found to be the cheapest airline from San Diego to Reykjavik Keflavik Intl Airport.Alternate airlines to your destination round-trip include Air Canada and Alaska Airlines. These flights start at 35% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from San Diego 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 Diego to Keflavik Intl.

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

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

    Currently, March is the cheapest month in which you can book a flight from San Diego to Reykjavik Keflavik Intl Airport (average of $673). Flying from San Diego to Reykjavik Keflavik Intl Airport in November is currently the most expensive (average of $1,148). 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 4 airlines flying from San Diego to Keflavik Intl

Discover the top 4 airlines that operate flights from San Diego 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$650Average$969FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$660Average$913FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$666Average$1,149FlexibilityNo cancel feeOn-time75%
IcelandairCheapest$890Average$1,065FlexibilityNo cancel feeOn-time76%

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