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$596+ Cheap flights from Keflavik Intl (KEF) to San Diego (SAN)

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SAN
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Keflavik Intl to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to San Diego (SAN). 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

$921
(Justfly.com)

One-way from

$596
(Kiwi.com)
Provider with most accurate pricing for Reykjavik Keflavik Intl-San Diego flight deals.
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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-San Diego flights.
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From Reykjavik Keflavik Intl to San Diego
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One-way flight from Reykjavik Keflavik Intl to San Diego
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Find flight deals from Keflavik Intl to San Diego

Cheapest flights from Keflavik Intl to San Diego
Explore the most affordable flight options available from Keflavik Intl to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:00 pmKEF - SAN
1 stop13h 47mIcelandair
Fri 12/128:31 pmSAN - KEF
1 stop17h 14mIcelandair
Deal found 10/29$921
This Icelandair 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:00 pmKEF - SAN
1 stop13h 47mMultiple Airlines
Fri 12/128:35 amSAN - KEF
2 stops13h 30mMultiple Airlines
Deal found 10/29$1,018
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:10 pmKEF - SAN
2 stops34h 35mAmerican Airlines
Fri 12/129:37 amSAN - KEF
2 stops41h 03mAmerican Airlines
Deal found 10/29$1,062
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:55 pmKEF - SAN
1 stop22h 56mMultiple Airlines
Thu 1/88:09 pmSAN - KEF
1 stop25h 56mMultiple Airlines
Deal found 10/28$2,479
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.
Wed 12/244:30 pmKEF - SAN
1 stop26h 57mMultiple Airlines
Sun 1/48:05 amSAN - KEF
1 stop14h 40mMultiple Airlines
Deal found 10/27$2,577
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:50 amKEF - SAN
2 stops20h 09mBritish Airways
Thu 1/81:58 pmSAN - KEF
2 stops19h 17mBritish Airways
Deal found 10/28$3,017

Cheapflights Fare Finder

 
Customize your flight search to find flights from Keflavik Intl to San Diego 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 Reykjavik Keflavik Intl Airport to San Diego that are best for you.

Fly from

Keflavik Intl

Fly to

San Diego

Route

Depart

Return

Price

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Fri 12/5

5:00 pm-10:47 pm

1 stop13h 47m

San Diego

Fri 12/12

8:35 am-6:05 am

2 stops13h 30m

$1,018

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Wed 4/1

11:25 am-9:19 am

2 stops28h 54m

San Diego

Sun 4/5

9:40 pm-9:30 am

2 stops28h 50m

$1,023

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Wed 4/1

4:50 pm-12:04 am

1 stop14h 14m

San Diego

Sun 4/5

11:30 am-6:15 am

1 stop11h 45m

$1,043

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Fri 12/5

6:10 pm-8:45 pm

2 stops34h 35m

San Diego

Fri 12/12

9:37 am-10:40 am

2 stops41h 03m

$1,062

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Mon 1/5

5:00 pm-10:46 pm

2 stops37h 46m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Keflavik Intl to San Diego

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 Keflavik Intl to San Diego in October.
ProviderPrice AccuracyTrust Score*
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 Reykjavik Keflavik Intl Airport-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Reykjavik Keflavik Intl Airport-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-San Diego 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 Reykjavik Keflavik Intl Airport-San Diego 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 Keflavik Intl to San Diego

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

Related info for your journey

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

    For a flight from Reykjavik Keflavik Intl to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city. San Diego is the only San Diego airport and it handles 0 inbound flights from Reykjavik Keflavik Intl per day. 0 airlines have flights to San Diego from Reykjavik Keflavik Intl on a regular basis.

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

    A quick flight from Reykjavik Keflavik Intl Airport to San Diego can take about 28h 54m. Delta provides one of the quickest options available for as low as $1,023. Airlines will cover a distance of 4339 mi.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Keflavik Intl to San Diego.

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
National City

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