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$533+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SAN
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:00 pm
KEF
-
SAN
1 stop12h 49m
Icelandair
Wed 3/48:39 am
SAN
-
KEF
1 stop13h 36m
Icelandair
Deal found 1/26$816
This Icelandair deal was found by Cheapflights users on 1/26. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/129:55 am
KEF
-
SAN
1 stop18h 34m
Multiple Airlines
Thu 3/1911:30 am
SAN
-
KEF
1 stop12h 00m
Multiple Airlines
Deal found 1/26$919
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Wed 2/254:55 pm
KEF
-
SAN
1 stop12h 46m
Multiple Airlines
Wed 3/42:16 pm
SAN
-
KEF
2 stops23h 29m
Multiple Airlines
Deal found 1/26$965
This KLM deal was found by Cheapflights users on 1/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:05 pm
KEF
-
SAN
2 stops30h 01m
KLM
Wed 3/46:25 am
SAN
-
KEF
2 stops20h 00m
KLM
Deal found 1/26$1,050
This Scandinavian Airlines deal was found by Cheapflights users on 1/26. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:35 am
KEF
-
SAN
2 stops22h 39m
Scandinavian Airlines
Thu 3/1910:00 am
SAN
-
KEF
3 stops22h 25m
Scandinavian Airlines
Deal found 1/26$1,393
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:55 am
KEF
-
SAN
1 stop16h 24m
Icelandair
Mon 4/69:58 pm
SAN
-
KEF
1 stop27h 57m
Icelandair
Deal found 1/26$2,510
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 3/224:50 pm
KEF
-
SAN
1 stop35h 32m
Multiple Airlines
Thu 4/28:42 am
SAN
-
KEF
1 stop14h 18m
Multiple Airlines
Deal found 1/25$2,892
This BusinessClass deal was found by Cheapflights users on 1/25. 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.
Sun 3/2211:50 am
KEF
-
SAN
2 stops39h 30m
British Airways
Thu 4/27:40 pm
SAN
-
KEF
1 stop30h 45m
British Airways
Deal found 1/25$3,017

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$816
(FlightHub)

One-way from

$533
(Trip.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 January 27, 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

Keflavik Intl

Fly to

San Diego

Route

Depart

Return

Price

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Wed 2/25

5:00 pm-9:49 pm

1 stop12h 49m

San Diego

Wed 3/4

8:39 am-6:15 am

1 stop13h 36m

$816

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 3/12

9:55 am-9:29 pm

1 stop18h 34m

San Diego

Thu 3/19

11:30 am-6:30 am

1 stop12h 00m

$919

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Wed 2/25

4:55 pm-9:41 pm

1 stop12h 46m

San Diego

Wed 3/4

2:16 pm-9:45 pm

2 stops23h 29m

$965

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Wed 2/25

8:05 pm-6:06 pm

2 stops30h 01m

San Diego

Wed 3/4

6:25 am-10:25 am

2 stops20h 00m

$1,050

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 3/26

9:55 am-7:19 pm

1 stop16h 24m

San Diego

Mon 4/6

9:58 pm-8:55 am

1 stop27h 57m

$2,510

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Sun 3/22

4:50 pm-9:22 pm

1 stop35h 32m

San Diego

Thu 4/2

8:42 am-6:00 am

1 stop14h 18m

$2,892

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 3/26

11:45 am-8:20 pm

2 stops39h 35m

San Diego

Mon 4/6

7:40 pm-10:00 am

1 stop31h 20m

$3,017

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Sun 3/22

5:55 pm-8:20 pm

2 stops33h 25m

San Diego

Thu 4/2

1:34 pm-9:25 am

2 stops36h 51m

$3,022

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Sun 3/22

7:35 am-11:09 pm

2 stops22h 34m

San Diego

Thu 4/2

7:00 am-3:20 pm

3 stops25h 20m

$5,666

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

Thu 3/26

7:35 am-12:11 am

2 stops23h 36m

San Diego

Mon 4/6

7:00 am-4:15 pm

3 stops26h 15m

$6,165

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 17 results
1
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  • 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 12h 49m. Icelandair provides one of the quickest options available for as low as $816. Airlines will cover a distance of 4339 mi. This flight may include one or multiple stops.

  • 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
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Julian
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