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Keflavik Intl

$373+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — KEF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 January, 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 September 11, 2025.

Round-trip from

$496
(Trip.com)

Popular in

July

Cheapest in

October

Average price

$922
From San Diego to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($78 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).
Search Deals
Average for round-trip flights in September 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 September 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/9. 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.
Mon 11/106:41 amSAN - KEF
1 stop15h 24mMultiple Airlines
Mon 11/174:55 pmKEF - SAN
1 stop14h 55mMultiple Airlines
Deal found 9/9$496
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:41 amSAN - KEF
1 stop16h 19mMultiple Airlines
Wed 10/294:55 pmKEF - SAN
1 stop13h 55mMultiple Airlines
Deal found 9/10$514
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:41 amSAN - KEF
1 stop16h 19mMultiple Airlines
Thu 10/304:55 pmKEF - SAN
2 stops25h 54mMultiple Airlines
Deal found 9/10$521
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:41 amSAN - KEF
1 stop15h 24mMultiple Airlines
Fri 11/214:55 pmKEF - SAN
1 stop15h 04mMultiple Airlines
Deal found 9/10$543
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 9/216:15 amSAN - KEF
2 stops20h 15mDelta
Tue 10/711:25 amKEF - SAN
2 stops16h 55mDelta
Deal found 9/10$641
This KLM deal was found by Cheapflights users on 9/10. 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.
Sun 9/217:00 amSAN - KEF
1 stop19h 30mMultiple Airlines
Tue 10/711:25 amKEF - SAN
1 stop16h 22mMultiple Airlines
Deal found 9/10$648

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 September 11, 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 11/10

6:41 am-6:05 am

1 stop15h 24m

Reykjavik Keflavik Intl

Mon 11/17

4:55 pm-11:50 pm

1 stop14h 55m

$496

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Wed 10/22

6:41 am-6:00 am

1 stop16h 19m

Reykjavik Keflavik Intl

Wed 10/29

4:55 pm-11:50 pm

1 stop13h 55m

$514

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sun 9/21

6:15 am-9:30 am

2 stops20h 15m

Reykjavik Keflavik Intl

Tue 10/7

11:25 am-9:20 pm

2 stops16h 55m

$641

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sun 9/21

6:15 am-6:20 am

1 stop17h 05m

Reykjavik Keflavik Intl

Tue 10/7

11:25 am-11:06 pm

2 stops18h 41m

$641

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Mon 11/10

6:00 pm-9:15 am

2 stops31h 15m

Reykjavik Keflavik Intl

Mon 11/17

10:00 am-6:05 pm

2 stops40h 05m

$672

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Fri 9/19

8:10 am-8:15 am

2 stops17h 05m

Reykjavik Keflavik Intl

Tue 9/23

1:15 am-3:25 pm

1 stop21h 10m

$736

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Sun 9/21

7:46 pm-9:30 am

2 stops30h 44m

Reykjavik Keflavik Intl

Tue 10/7

11:25 am-11:06 pm

2 stops18h 41m

$765

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Thu 10/16

3:59 pm-11:50 pm

2 stops24h 51m

Reykjavik Keflavik Intl

Thu 10/23

5:10 pm-10:31 pm

2 stops36h 21m

$772

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Fri 11/7

9:59 pm-11:15 am

3 stops53h 16m

$373

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

Fri 11/7

5:35 pm-11:35 pm

1 stop22h 00m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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 August 29, 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 $655). 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 September 11, 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.

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 September 11, 2025.
Read through reviews of airlines operating flights from San Diego to Reykjavik Keflavik Intl Airport, such as United Airlines, Air Canada, and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Icelandair
7.0
Good
546 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 3 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 20h 15m. There are 4339 mi between San Diego and Reykjavik Keflavik Intl Airport.

  • 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 Icelandair. These flights start at 32% 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.

  • 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 $655). 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 3 airlines flying from San Diego to Keflavik Intl

Discover the top 3 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$650Average$938FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$730Average$913FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$883Average$1,049FlexibilityNo cancel feeOn-time76%

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