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$306+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SAN
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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Cheap 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 March 11, 2026.

This oojo deal was found by Cheapflights users on 3/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/264:50 pm
KEF
-
SAN
1 stop14h 09m
Icelandair
Thu 4/306:34 pm
SAN
-
KEF
1 stop31h 51m
Icelandair
Deal found 3/9$827
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Sun 4/264:50 pm
KEF
-
SAN
1 stop14h 09m
Multiple Airlines
Thu 4/303:35 pm
SAN
-
KEF
2 stops45h 25m
Multiple Airlines
Deal found 3/9$1,050
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 5/55:00 pm
KEF
-
SAN
2 stops32h 41m
Multiple Airlines
Sat 5/169:37 am
SAN
-
KEF
1 stop16h 33m
Multiple Airlines
Deal found 3/8$2,851
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:45 pm
KEF
-
SAN
1 stop33h 51m
Icelandair
Sat 5/1610:54 am
SAN
-
KEF
1 stop12h 11m
Icelandair
Deal found 3/8$3,253

Find 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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$827
(oojo)

One-way from

$306
(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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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 March 11, 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Sun 4/26

4:50 pm-11:59 pm

1 stop14h 09m

San Diego

Thu 4/30

6:34 pm-9:25 am

1 stop31h 51m

$827

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Sun 4/26

4:50 pm-11:59 pm

1 stop14h 09m

San Diego

Thu 4/30

3:35 pm-8:00 pm

2 stops45h 25m

$1,050

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Tue 5/5

5:00 pm-6:41 pm

2 stops32h 41m

San Diego

Sat 5/16

9:37 am-9:10 am

1 stop16h 33m

$2,867

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Tue 5/5

7:45 pm-10:36 pm

1 stop33h 51m

San Diego

Sat 5/16

10:54 am-6:05 am

1 stop12h 11m

$3,253

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Tue 5/5

8:35 am-10:36 pm

2 stops21h 01m

San Diego

Sat 5/16

1:18 pm-7:50 am

2 stops35h 32m

$3,319
Cheapest one-way

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Mon 5/18

9:00 am-11:06 pm

2 stops45h 06m

$306

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Sun 4/19

6:50 pm-12:52 pm

3 stops49h 02m

$469

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Tue 5/5

7:55 pm-9:29 pm

3 stops56h 34m

$500

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Mon 8/24

4:50 pm-11:55 pm

1 stop14h 05m

$600

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Tue 7/7

9:00 am-11:03 pm

3 stops21h 03m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 13 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Reykjavik Keflavik Intl Airport-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Reykjavik Keflavik Intl Airport-San Diego flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 14h 09m. Icelandair provides one of the quickest options available for as low as $827. 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
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National City
Coronado
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Poway
Julian
Lemon Grove

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