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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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — KEF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Reykjavik Keflavik Intl are usually found in September or October, 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 June 12, 2025.

Round-trip from

$579
(FlightHub)

One-way from

$284
(PLAY)

Popular in

July

Cheapest in

September

Average price

$1,093
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. 7% potential increase in price ($79 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 June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/12. 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.
Tue 8/128:10 amSAN - KEF
2 stops41h 05mAir Canada
Thu 8/219:30 amKEF - SAN
2 stops39h 50mAir Canada
Deal found 6/12$579
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/126:47 pmSAN - KEF
2 stops29h 13mUnited Airlines
Thu 8/219:30 amKEF - SAN
2 stops19h 32mUnited Airlines
Deal found 6/10$616
This KLM deal was found by Cheapflights users on 6/10. 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.
Mon 8/411:15 amSAN - KEF
1 stop12h 05mMultiple Airlines
Fri 8/158:50 amKEF - SAN
1 stop16h 11mMultiple Airlines
Deal found 6/10$626
This Delta deal was found by Cheapflights users on 6/10. 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.
Mon 8/46:20 amSAN - KEF
2 stops17h 00mDelta
Fri 8/158:50 amKEF - SAN
2 stops21h 04mDelta
Deal found 6/10$630
This Travelocity deal was found by Cheapflights users on 6/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:10 pmSAN - KEF
1 stop32h 45mBritish Airways
Sun 11/2311:40 amKEF - SAN
1 stop36h 25mBritish Airways
Deal found 6/11$706
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/1311:15 amSAN - KEF
1 stop14h 00mWestJet
Tue 7/229:35 amKEF - SAN
1 stop34h 45mWestJet
Deal found 6/11$750
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Mon 10/66:00 pmSAN - KEF
2 stops46h 35mLufthansa
Sun 10/1212:25 amKEF - SAN
2 stops46h 00mLufthansa
Deal found 6/10$781
This KLM deal was found by Cheapflights users on 6/10. 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.
Mon 10/66:15 amSAN - KEF
1 stop17h 05mKLM
Sun 10/128:45 amKEF - SAN
1 stop16h 41mKLM
Deal found 6/10$807
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Mon 8/1810:54 amSAN - KEF
2 stops29h 26mAustrian Airlines
Sat 8/3012:10 amKEF - SAN
2 stops26h 36mAustrian Airlines
Deal found 6/11$809
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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 10/210:00 amSAN - KEF
2 stops30h 50mScandinavian Airlines
Thu 10/1611:05 amKEF - SAN
2 stops40h 44mScandinavian Airlines
Deal found 6/10$829
This FlightHub deal was found by Cheapflights users on 6/11. 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 7/99:00 pmSAN - KEF
1 stop17h 45mIcelandair
Tue 7/228:10 pmKEF - SAN
1 stop20h 54mIcelandair
Deal found 6/11$930

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 June 12, 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

Tue 8/12

8:10 am-8:15 am

2 stops41h 05m

Reykjavik Keflavik Intl

Thu 8/21

9:30 am-11:40 am

2 stops33h 10m

$579

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Tue 8/12

6:47 pm-7:00 am

2 stops29h 13m

Reykjavik Keflavik Intl

Thu 8/21

11:00 am-7:09 pm

1 stop15h 09m

$616

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Mon 8/4

11:15 am-6:20 am

1 stop12h 05m

Reykjavik Keflavik Intl

Fri 8/15

8:50 am-6:01 pm

1 stop16h 11m

$626

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Mon 8/4

6:20 am-6:20 am

2 stops17h 00m

Reykjavik Keflavik Intl

Fri 8/15

8:50 am-10:54 pm

2 stops21h 04m

$630

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sat 11/15

6:10 pm-10:55 am

1 stop32h 45m

Reykjavik Keflavik Intl

Sun 11/23

11:40 am-4:05 pm

1 stop36h 25m

$706

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sun 7/13

11:15 am-8:15 am

1 stop14h 00m

Reykjavik Keflavik Intl

Tue 7/22

9:35 am-1:20 pm

1 stop34h 45m

$750

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Mon 10/6

6:00 pm-11:35 pm

2 stops46h 35m

Reykjavik Keflavik Intl

Sun 10/12

12:25 am-3:25 pm

2 stops46h 00m

$781

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Mon 10/6

6:15 am-6:20 am

1 stop17h 05m

Reykjavik Keflavik Intl

Sun 10/12

8:45 am-6:26 pm

1 stop16h 41m

$807

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Mon 8/18

10:54 am-11:20 pm

2 stops29h 26m

Reykjavik Keflavik Intl

Sat 8/30

12:10 am-7:46 pm

2 stops26h 36m

$809

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Thu 10/2

10:00 am-11:50 pm

2 stops30h 50m

Reykjavik Keflavik Intl

Thu 10/16

11:05 am-8:49 pm

2 stops40h 44m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 21 results
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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 June 9, 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 $659). 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 June 12, 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.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and KLM from San Diego to Reykjavik to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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.
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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.
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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 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.

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

    Air Canada, at $579, 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 Delta. These flights start at 39% 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 $477 on Icelandair. Other airlines that offer cheap prices include United Airlines from $500 and Air Canada 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 $659). 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.

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$600Average$957FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$641Average$882FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$660Average$851FlexibilityNo cancel feeOn-time67%
DeltaCheapest$671Average$937FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$890Average$1,034FlexibilityNo cancel feeOn-time76%

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