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$406+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SAN
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
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 julio 29, 2025.

Round-trip from

$811
(Justfly.com)

One-way from

$406
(Kiwi.com)
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 julio 29, 2025.

This Justfly.com deal was found by Cheapflights users on 7/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/259:55 amKEF - SAN
1 stop16h 53mIcelandair
lun. 9/19:00 pmSAN - KEF
1 stop17h 45mIcelandair
Deal found 7/28$811
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
lun. 8/253:45 pmKEF - SAN
1 stop26h 05mMultiple Airlines
lun. 9/112:02 pmSAN - KEF
2 stops33h 53mMultiple Airlines
Deal found 7/28$813
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/129:30 amKEF - SAN
1 stop17h 05mUnited Airlines
vie. 9/1910:11 pmSAN - KEF
2 stops26h 59mUnited Airlines
Deal found 7/29$867
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/129:30 amKEF - SAN
2 stops34h 50mAir Canada
vie. 9/192:20 pmSAN - KEF
2 stops34h 50mAir Canada
Deal found 7/29$872
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1211:25 amKEF - SAN
2 stops18h 29mDelta
sáb. 8/1610:30 pmSAN - KEF
2 stops24h 50mDelta
Deal found 7/27$1,011
This Air France deal was found by Cheapflights users on 7/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/129:30 amKEF - SAN
1 stop18h 13mAir France
sáb. 8/166:57 pmSAN - KEF
2 stops29h 03mAir France
Deal found 7/28$1,110
This Gurufare deal was found by Cheapflights users on 7/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/291:15 amKEF - SAN
1 stop21h 10mLufthansa
mié. 8/66:35 amSAN - KEF
1 stop18h 55mLufthansa
Deal found 7/29$1,198
This Scandinavian Airlines deal was found by Cheapflights users on 7/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/127:40 amKEF - SAN
2 stops22h 14mScandinavian Airlines
sáb. 8/1611:10 amSAN - KEF
3 stops21h 10mScandinavian Airlines
Deal found 7/28$2,916
This Virgin Atlantic deal was found by Cheapflights users on 7/28. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/2411:25 amKEF - SAN
2 stops18h 34mVirgin Atlantic
dom. 10/510:55 amSAN - KEF
2 stops15h 35mVirgin Atlantic
Deal found 7/28$4,649

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 julio 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

lun. 8/25

9:55 am-7:48 pm

1 stop16h 53m

San Diego

lun. 9/1

9:00 pm-9:45 pm

1 stop17h 45m

$811

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

lun. 8/25

3:45 pm-10:50 am

1 stop26h 05m

San Diego

lun. 9/1

12:02 pm-4:55 am

2 stops33h 53m

$813

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

vie. 9/12

9:30 am-7:35 pm

1 stop17h 05m

San Diego

vie. 9/19

10:11 pm-8:10 am

2 stops26h 59m

$867

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

vie. 9/12

9:30 am-1:20 pm

2 stops34h 50m

San Diego

vie. 9/19

2:20 pm-8:10 am

2 stops34h 50m

$872

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

mar. 8/12

11:25 am-11:42 pm

1 stop19h 17m

San Diego

sáb. 8/16

10:40 pm-6:20 am

1 stop24h 40m

$1,011

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

mar. 8/12

9:30 am-8:43 pm

1 stop18h 13m

San Diego

sáb. 8/16

6:57 pm-7:00 am

2 stops29h 03m

$1,110

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

dom. 8/24

12:25 am-3:25 pm

2 stops22h 00m

San Diego

lun. 9/1

12:52 pm-12:10 am

2 stops28h 18m

$1,552

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

mar. 8/12

7:40 am-10:54 pm

2 stops22h 14m

San Diego

sáb. 8/16

11:10 am-3:20 pm

3 stops21h 10m

$2,916

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

mié. 9/24

11:25 am-10:59 pm

2 stops18h 34m

San Diego

dom. 10/5

10:55 am-9:30 am

2 stops15h 35m

$4,649

ReykjavikSan Diego

KEF - SAN

KEFSAN

Reykjavik Keflavik Intl

lun. 10/13

3:05 pm-1:57 pm

2 stops29h 52m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 14 results
1
2

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.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated julio 29, 2025.
Read through reviews of airlines operating flights from Reykjavik Keflavik Intl Airport to San Diego, such as Delta, Air France, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Scandinavian Airlines
7.3
Good
1,449 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from Reykjavik Keflavik Intl Airport to San Diego one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $641. Users have also found prices from $742 and $809 on Icelandair and Lufthansa, respectively.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to San Diego (average of $286). Flying from Reykjavik Keflavik Intl Airport to San Diego in March is currently the most expensive (average of $366). 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 San Diego?

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Coronado
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