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Keflavik Intl

$284+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — KEF
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Reykjavik Keflavik Intl are usually found in October or September, booked 28 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap 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 July 29, 2025.

Round-trip from

$602
(Ovago)

One-way from

$284
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,094
From San Diego to Reykjavik Keflavik Intl
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One-way flight from San Diego to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 9% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:41 amSAN - KEF
1 stop14h 49mUnited Airlines
Wed 8/209:30 amKEF - SAN
1 stop17h 08mUnited Airlines
Deal found 7/28$592
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.
Sun 9/79:35 pmSAN - KEF
1 stop24h 10mMultiple Airlines
Thu 9/183:05 pmKEF - SAN
2 stops15h 19mMultiple Airlines
Deal found 7/28$618
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.
Tue 8/125:35 pmSAN - KEF
2 stops31h 35mAir Canada
Thu 8/219:30 amKEF - SAN
2 stops33h 10mAir Canada
Deal found 7/29$636
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:15 amSAN - KEF
1 stop17h 05mKLM
Thu 8/219:30 amKEF - SAN
1 stop18h 14mKLM
Deal found 7/29$653
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:15 amSAN - KEF
1 stop17h 05mDelta
Thu 8/219:30 amKEF - SAN
2 stops16h 09mDelta
Deal found 7/29$658

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 July 29, 2025.
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

Mon 1/12

6:00 pm-10:50 am

1 stop32h 50m

Reykjavik Keflavik Intl

Mon 1/19

11:50 am-4:10 pm

1 stop36h 20m

$602

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sun 9/7

9:35 pm-4:45 am

1 stop24h 10m

Reykjavik Keflavik Intl

Thu 9/18

3:05 pm-11:24 pm

2 stops15h 19m

$618

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Tue 8/12

8:44 pm-8:30 am

2 stops28h 46m

Reykjavik Keflavik Intl

Thu 8/21

9:30 am-11:40 am

2 stops33h 10m

$633

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Tue 8/12

5:35 pm-8:10 am

2 stops31h 35m

Reykjavik Keflavik Intl

Thu 8/21

9:30 am-11:40 am

2 stops33h 10m

$636

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Tue 8/12

6:15 am-6:20 am

1 stop17h 05m

Reykjavik Keflavik Intl

Thu 8/21

9:30 am-8:44 pm

1 stop18h 14m

$653

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Tue 8/12

6:15 am-6:20 am

1 stop17h 05m

Reykjavik Keflavik Intl

Thu 8/21

9:30 am-6:39 pm

2 stops16h 09m

$658

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sun 9/14

9:35 pm-4:45 am

1 stop24h 10m

$284

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sun 9/14

1:00 pm-8:15 am

2 stops36h 15m

$305

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Thu 9/11

7:50 pm-9:10 am

1 stop30h 20m

$545

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Mon 8/4

12:25 pm-8:15 am

1 stop12h 50m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 13 results
1
2

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 far ahead should I book a flight from San Diego to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Keflavik Intl. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from San Diego to Reykjavik Keflavik Intl Airport, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from San Diego to Reykjavik Keflavik Intl Airport (average of $328). Flying from San Diego to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $653). 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.

What is the cheapest time of day to fly from SAN to KEF?

Find hourly flight availability from San Diego to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

A simple way to save on the total cost of your ticket is to fly from San Diego to Reykjavik Keflavik Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the afternoon.

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 July 29, 2025.
Read through reviews of airlines operating flights from San Diego to Reykjavik Keflavik Intl Airport, such as Delta, KLM, 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
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,972 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 4 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.

  • What are the cheapest airlines flying from San Diego to Reykjavik Keflavik Intl Airport round-trip?

    British Airways, at $602, was found to be the cheapest airline from San Diego to Reykjavik Keflavik Intl Airport.Alternate airlines to your destination round-trip include United Airlines and Air Canada. These flights start at 37% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $305 on WestJet. Other airlines that offer cheap prices include British Airways from $545 and United Airlines from $552 one-way.

  • 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.

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

    Currently, November is the cheapest month in which you can book a flight from San Diego to Reykjavik Keflavik Intl Airport (average of $328). Flying from San Diego to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $653). 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 Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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Top 4 airlines flying from San Diego to Keflavik Intl

Discover the top 4 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$660Average$913FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$725Average$938FlexibilityNo cancel feeOn-time69%
DeltaCheapest$787Average$939FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$890Average$1,035FlexibilityNo cancel feeOn-time76%

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