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Keflavik Intl

$398+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — KEF
mar. 8 — mar. 151
sáb. 3/8
sáb. 3/15
1 adult, Economy
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The best prices from San Diego to Reykjavik Keflavik Intl are usually found in October or April, 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 marzo 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$596
(Mytrip)

One-way from

$547
(Trip.com)

Popular in

July

Cheapest in

October

Average price

$982
Provider with most accurate pricing for San Diego-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for San Diego-Reykjavik Keflavik Intl flights.
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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. 8% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 3, 2025.

This Mytrip deal was found by Cheapflights users on 3/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/286:15 amSAN - KEF
3 stops39h 30mMultiple Airlines
sáb. 4/53:45 pmKEF - SAN
3 stops46h 56mMultiple Airlines
Deal found 3/2$596
This Lufthansa deal was found by Cheapflights users on 3/3. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/110:00 amSAN - KEF
2 stops30h 35mLufthansa
lun. 4/712:25 amKEF - SAN
2 stops25h 04mLufthansa
Deal found 3/3$666
This SmartFares deal was found by Cheapflights users on 3/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/146:10 pmSAN - KEF
1 stop32h 30mBritish Airways
jue. 11/2011:40 amKEF - SAN
1 stop36h 25mBritish Airways
Deal found 3/2$684
This Air Canada deal was found by Cheapflights users on 3/3. 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.
mar. 8/125:00 pmSAN - KEF
2 stops32h 10mAir Canada
jue. 8/2110:00 amKEF - SAN
1 stop32h 45mAir Canada
Deal found 3/3$751
This Finnair deal was found by Cheapflights users on 3/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/127:10 pmSAN - KEF
2 stops31h 05mFinnair
lun. 3/1710:00 amKEF - SAN
2 stops38h 05mFinnair
Deal found 3/3$769
This Delta deal was found by Cheapflights users on 3/3. 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. 4/11:25 pmSAN - KEF
1 stop13h 05mDelta
mar. 4/811:25 amKEF - SAN
1 stop19h 22mDelta
Deal found 3/3$773
This United deal was found by Cheapflights users on 3/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/16:08 pmSAN - KEF
2 stops31h 22mUnited Airlines
jue. 9/1112:00 pmKEF - SAN
3 stops33h 58mUnited Airlines
Deal found 3/3$824
This SWISS deal was found by Cheapflights users on 3/3. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/11:43 pmSAN - KEF
2 stops35h 37mSWISS
sáb. 4/122:50 pmKEF - SAN
2 stops35h 06mSWISS
Deal found 3/3$854
This Air France deal was found by Cheapflights users on 3/3. 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.
jue. 10/212:35 pmSAN - KEF
1 stop13h 55mAir France
jue. 10/1611:25 amKEF - SAN
2 stops17h 51mAir France
Deal found 3/3$859
This Virgin Atlantic deal was found by Cheapflights users on 3/1. 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.
lun. 5/126:15 amSAN - KEF
2 stops20h 15mVirgin Atlantic
sáb. 5/3111:25 amKEF - SAN
1 stop14h 19mVirgin Atlantic
Deal found 3/1$870
This FlightHub deal was found by Cheapflights users on 3/2. 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.
jue. 5/152:10 pmSAN - KEF
2 stops26h 40mScandinavian Airlines
dom. 5/185:35 pmKEF - SAN
2 stops37h 18mScandinavian Airlines
Deal found 3/2$907
This WestJet deal was found by Cheapflights users on 3/2. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/2011:15 amSAN - KEF
1 stop14h 00mWestJet
sáb. 8/29:35 amKEF - SAN
1 stop31h 55mWestJet
Deal found 3/2$933

Find flights from San Diego to Keflavik Intl within your budget

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 marzo 3, 2025.

Fly from

San Diego

Fly to

Keflavik Intl

Route

Depart

Return

Price

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

vie. 3/28

6:15 am-4:45 am

3 stops39h 30m

Reykjavik Keflavik Intl

sáb. 4/5

3:45 pm-7:41 am

3 stops46h 56m

$596

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

mar. 4/1

10:00 am-11:35 pm

2 stops30h 35m

Reykjavik Keflavik Intl

lun. 4/7

12:25 am-6:29 pm

2 stops25h 04m

$666

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

mar. 8/12

5:00 pm-8:10 am

2 stops32h 10m

Reykjavik Keflavik Intl

jue. 8/21

10:00 am-12:02 pm

2 stops33h 02m

$751

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

mar. 4/1

1:25 pm-9:30 am

1 stop13h 05m

Reykjavik Keflavik Intl

mar. 4/8

11:25 am-11:47 pm

1 stop19h 22m

$773

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

mar. 4/15

10:27 am-8:00 am

2 stops38h 33m

Reykjavik Keflavik Intl

mar. 4/22

5:15 pm-11:28 pm

2 stops37h 13m

$803

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

mié. 3/19

4:50 pm-5:35 pm

2 stops41h 45m

Reykjavik Keflavik Intl

mié. 4/2

10:55 am-2:50 pm

1 stop34h 55m

$817

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

mar. 4/1

1:43 pm-8:20 am

2 stops35h 37m

Reykjavik Keflavik Intl

sáb. 4/12

2:50 pm-6:56 pm

2 stops35h 06m

$854

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

lun. 5/12

6:34 am-9:30 am

1 stop19h 56m

Reykjavik Keflavik Intl

sáb. 5/31

11:25 am-6:44 pm

1 stop14h 19m

$866

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

lun. 5/12

6:15 am-9:30 am

2 stops20h 15m

Reykjavik Keflavik Intl

sáb. 5/31

11:25 am-6:44 pm

1 stop14h 19m

$870

San DiegoReykjavik

SAN - KEF

SANKEF

San Diego

jue. 5/15

2:10 pm-11:50 pm

2 stops26h 40m

Reykjavik Keflavik Intl

dom. 5/18

5:35 pm-11:53 pm

2 stops37h 18m

$907

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 18 results
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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.

Travel insights for flights from San Diego to Keflavik Intl

Get recent, data-driven insights about flights from San Diego to Keflavik Intl including ideal travel times, pricing trends, and more.

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 February 28, 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 $654). 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 marzo 3, 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 marzo 3, 2025.
Delta
8.0
Very good
8,070 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

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
8,070 reviews
Delta
8.0
Very good
8,070 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

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.

Finnair
7.6
Good
1,271 reviews
Delta
8.0
Very good
8,070 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

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.

SWISS
7.5
Good
1,562 reviews
Delta
8.0
Very good
8,070 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

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.

Air France
7.4
Good
1,435 reviews
Delta
8.0
Very good
8,070 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

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
8,679 reviews
Delta
8.0
Very good
8,070 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

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?

    Lufthansa, at $666, was found to be the cheapest airline from San Diego to Reykjavik Keflavik Intl Airport.Alternate airlines to your destination round-trip include Finnair and Delta. These flights start at 29% 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 $654). 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 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 marzo 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$578Average$820FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$641Average$833FlexibilityNo cancel feeOn-time69%
DeltaCheapest$642Average$872FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$925Average$1,040FlexibilityNo cancel feeOn-time76%
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