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Keflavik Intl

$515+ 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — KEF
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$595
(KAYAK)

One-way from

$515
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$834
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
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Highest demand for flights based on searches. 9% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 29, 2025.

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.
Mon 12/86:34 amSAN - KEF
1 stop15h 31mMultiple Airlines
Mon 12/154:55 pmKEF - SAN
1 stop15h 04mMultiple Airlines
Deal found 10/29$675
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/46:15 amSAN - KEF
1 stop16h 00mMultiple Airlines
Wed 12/105:00 pmKEF - SAN
1 stop13h 47mMultiple Airlines
Deal found 10/26$700
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/48:33 amSAN - KEF
1 stop13h 32mMultiple Airlines
Mon 12/84:55 pmKEF - SAN
1 stop15h 04mMultiple Airlines
Deal found 10/27$702
This KAYAK deal was found by Cheapflights users on 10/27. 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.
Fri 11/75:35 pmSAN - KEF
1 stop22h 00mLufthansa
Tue 11/113:20 pmKEF - SAN
2 stops36h 32mLufthansa
Deal found 10/27$720
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/35:25 pmSAN - KEF
2 stops28h 40mMultiple Airlines
Wed 11/124:55 pmKEF - SAN
1 stop12h 44mMultiple Airlines
Deal found 10/27$743
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1612:07 pmSAN - KEF
2 stops42h 13mLufthansa
Sun 11/233:20 pmKEF - SAN
2 stops36h 32mLufthansa
Deal found 10/29$744
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.
Fri 11/286:00 pmSAN - KEF
1 stop32h 40mBritish Airways
Sat 12/611:55 amKEF - SAN
1 stop36h 10mBritish Airways
Deal found 10/29$759
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:00 pmSAN - KEF
2 stops31h 15mFinnair
Sat 12/66:00 pmKEF - SAN
2 stops32h 04mFinnair
Deal found 10/29$772
This Finnair deal was found by Cheapflights users on 10/27. 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.
Thu 12/46:00 pmSAN - KEF
2 stops31h 15mFinnair
Mon 12/810:00 amKEF - SAN
2 stops40h 01mFinnair
Deal found 10/27$774

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 October 29, 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

Mon 1/12

7:00 am-2:20 pm

2 stops23h 20m

Reykjavik Keflavik Intl

Tue 1/20

3:20 pm-7:54 pm

2 stops36h 34m

$595

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

$675

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Thu 12/4

6:15 am-6:15 am

1 stop16h 00m

Reykjavik Keflavik Intl

Wed 12/10

5:00 pm-10:47 pm

1 stop13h 47m

$700

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Thu 2/19

10:00 am-10:40 am

2 stops40h 40m

Reykjavik Keflavik Intl

Thu 2/26

3:40 pm-11:55 pm

2 stops40h 15m

$741

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Fri 2/20

10:00 am-10:45 am

2 stops40h 45m

Reykjavik Keflavik Intl

Sun 3/1

3:40 pm-10:55 pm

2 stops39h 15m

$741

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Fri 2/20

6:25 am-6:05 am

1 stop15h 40m

Reykjavik Keflavik Intl

Wed 2/25

4:55 pm-10:46 pm

1 stop13h 51m

$747

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Wed 2/4

7:00 am-10:45 am

2 stops19h 45m

Reykjavik Keflavik Intl

Tue 2/10

7:35 am-8:57 pm

2 stops21h 22m

$749

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Fri 2/20

10:51 am-5:15 pm

2 stops22h 24m

Reykjavik Keflavik Intl

Fri 2/27

10:00 am-6:14 pm

2 stops40h 14m

$752

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sat 2/21

8:00 am-6:05 am

1 stop14h 05m

Reykjavik Keflavik Intl

Wed 2/25

4:55 pm-10:46 pm

1 stop13h 51m

$768

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Wed 2/18

8:00 am-6:05 am

1 stop14h 05m

Reykjavik Keflavik Intl

Fri 2/27

4:55 pm-12:01 am

1 stop15h 06m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 16 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*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 $1,036). 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 October 29, 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 October 29, 2025.
Read through reviews of airlines operating flights from San Diego to Reykjavik Keflavik Intl Airport, such as United Airlines, Air Canada, and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,999 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,999 reviews
United Airlines
7.4
Good
8,999 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
10,372 reviews
United Airlines
7.4
Good
8,999 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Icelandair
7.1
Good
562 reviews
United Airlines
7.4
Good
8,999 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 3 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 23h 20m. 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 Icelandair. These flights start at 33% 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 $1,036). 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 3 airlines flying from San Diego to Keflavik Intl

Discover the top 3 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$650Average$954FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$730Average$888FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$890Average$1,069FlexibilityNo cancel feeOn-time76%

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