HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$428+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — KEF
fev 27 — mar 61
sex 2/27
sex 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Keflavik Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 janeiro 28, 2026.

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.
seg 4/1310:25 pm
SAN
-
KEF
1 stop28h 05m
KLM
qui 4/2311:25 am
KEF
-
SAN
1 stop16h 22m
KLM
Deal found 1/26$485
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 4/136:15 am
SAN
-
KEF
2 stops20h 15m
Delta
qui 4/2311:25 am
KEF
-
SAN
1 stop19h 30m
Delta
Deal found 1/26$495
This KLM deal was found by Cheapflights users on 1/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 4/2510:25 pm
SAN
-
KEF
1 stop28h 05m
KLM
qui 5/711:25 am
KEF
-
SAN
1 stop19h 18m
KLM
Deal found 1/27$511
This Delta deal was found by Cheapflights users on 1/27. 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.
sáb 4/256:15 am
SAN
-
KEF
2 stops20h 15m
Delta
qui 5/711:25 am
KEF
-
SAN
2 stops18h 33m
Delta
Deal found 1/27$560
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 3/266:25 am
SAN
-
KEF
1 stop16h 40m
Multiple Airlines
sex 4/34:50 pm
KEF
-
SAN
1 stop14h 12m
Multiple Airlines
Deal found 1/26$719
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
sex 4/38:42 am
SAN
-
KEF
1 stop14h 18m
Multiple Airlines
dom 4/54:50 pm
KEF
-
SAN
1 stop14h 12m
Multiple Airlines
Deal found 1/28$741
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 2/96:30 am
SAN
-
KEF
1 stop15h 35m
Multiple Airlines
sáb 2/144:55 pm
KEF
-
SAN
2 stops39h 04m
Multiple Airlines
Deal found 1/26$762
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 2/209:28 am
SAN
-
KEF
1 stop13h 07m
Multiple Airlines
dom 3/85:00 pm
KEF
-
SAN
1 stop33h 56m
Multiple Airlines
Deal found 1/26$787
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/212:30 pm
SAN
-
KEF
1 stop13h 15m
Air Canada
sex 9/119:15 am
KEF
-
SAN
2 stops37h 15m
Air Canada
Deal found 1/25$790
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 2/289:10 pm
SAN
-
KEF
1 stop25h 00m
Multiple Airlines
sáb 3/79:55 am
KEF
-
SAN
1 stop17h 33m
Multiple Airlines
Deal found 1/27$792
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/14:45 pm
SAN
-
KEF
2 stops32h 10m
Air Canada
qua 9/169:15 am
KEF
-
SAN
1 stop17h 28m
Air Canada
Deal found 1/27$799
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/22:09 pm
SAN
-
KEF
1 stop11h 21m
United Airlines
sex 9/119:15 am
KEF
-
SAN
1 stop17h 28m
United Airlines
Deal found 1/25$800

Find 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 janeiro 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$485
(KLM)

One-way from

$428
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$958
Provider with most accurate pricing for San Diego-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Reykjavik Keflavik Intl flights.
Search Deals
From San Diego to Reykjavik Keflavik Intl
Search Deals
One-way flight from San Diego to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 janeiro 28, 2026.
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

seg 4/13

6:15 am-9:30 am

2 stops20h 15m

Reykjavik Keflavik Intl

qui 4/23

11:25 am-11:55 pm

1 stop19h 30m

$495

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

qua 5/20

11:50 am-6:20 am

1 stop11h 30m

Reykjavik Keflavik Intl

qui 5/28

9:30 am-4:08 pm

2 stops13h 38m

$843

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

qua 5/20

10:00 am-9:30 am

2 stops16h 30m

Reykjavik Keflavik Intl

qui 5/28

8:50 am-8:21 pm

2 stops18h 31m

$843

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

seg 7/13

4:45 pm-8:30 am

1 stop32h 45m

Reykjavik Keflavik Intl

ter 7/21

10:00 am-11:40 am

1 stop32h 40m

$867

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

seg 7/13

8:25 am-7:55 am

2 stops16h 30m

Reykjavik Keflavik Intl

ter 7/21

9:15 am-8:39 pm

1 stop18h 24m

$869

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

qui 2/26

9:10 pm-6:10 am

1 stop25h 00m

Reykjavik Keflavik Intl

seg 3/2

5:00 pm-10:44 am

1 stop25h 44m

$871

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

sáb 5/23

3:30 pm-8:15 am

1 stop33h 45m

$428

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

qui 5/21

3:30 pm-8:15 am

1 stop33h 45m

$498

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

qua 5/20

2:47 pm-11:10 pm

3 stops25h 23m

$520

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

qua 5/20

6:15 am-9:30 am

2 stops20h 15m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 13 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >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 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 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

How much does it cost to fly round-trip from San Diego to Reykjavik Keflavik Intl Airport?

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 janeiro 28, 2026.
Read through reviews of airlines operating flights from San Diego to Reykjavik Keflavik Intl Airport, such as Alaska Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,801 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,801 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,123 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,209 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Air Canada
7.1
Good
10,666 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Icelandair
7.1
Good
603 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 5 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 16h 30m. 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 Delta. These flights start at 38% 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.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from San Diego to Keflavik Intl

Discover the top 5 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 janeiro 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$650Average$969FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$660Average$913FlexibilityNo cancel feeOn-time67%
DeltaCheapest$867Average$985FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$882Average$1,139FlexibilityNo cancel feeOn-time75%
IcelandairCheapest$890Average$1,075FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights