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Keflavik Intl

$259+ Cheap flights from Fremont, CA 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KEF
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Reykjavik Keflavik Intl are usually found in February or September, booked 20 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Fremont to Keflavik Intl

Keep the following information in mind while searching for Fremont to Keflavik Intl flight deals. Data was last updated April 2, 2025.

Round-trip from

$560
(Kiwi.com)

One-way from

$259
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$918
From Fremont to Reykjavik Keflavik Intl
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One-way flight from Fremont to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 7% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Fremont to Keflavik Intl

Cheapest flights from Fremont to Keflavik Intl
Explore the most affordable flight options available from Fremont to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This PLAY deal was found by Cheapflights users on 3/31. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:35 amSFO - KEF
1 stop14h 10mMultiple Airlines
Wed 5/73:45 pmKEF - SFO
1 stop14h 49mMultiple Airlines
Deal found 3/31$560
This WestJet deal was found by Cheapflights users on 4/1. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/306:05 pmSFO - KEF
1 stop31h 10mWestJet
Thu 8/79:35 amKEF - SFO
1 stop14h 40mWestJet
Deal found 4/1$562
This Finnair deal was found by Cheapflights users on 3/31. 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.
Tue 11/45:30 pmSFO - KEF
2 stops31h 45mFinnair
Tue 11/1810:00 amKEF - SFO
2 stops37h 00mFinnair
Deal found 3/31$659
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:40 pmSFO - KEF
1 stop30h 50mScandinavian Airlines
Tue 10/75:10 pmKEF - SFO
1 stop30h 20mScandinavian Airlines
Deal found 3/31$661
This Gurufare deal was found by Cheapflights users on 4/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:30 pmSFO - KEF
1 stop33h 15mBritish Airways
Tue 11/1811:45 amKEF - SFO
1 stop35h 15mBritish Airways
Deal found 4/1$664
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:30 pmSFO - KEF
1 stop33h 20mAmerican Airlines
Fri 1/96:45 pmKEF - SFO
1 stop32h 00mAmerican Airlines
Deal found 4/1$689
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Tue 4/12:40 pmSFO - KEF
1 stop25h 55mLufthansa
Mon 4/712:25 amKEF - SFO
1 stop19h 15mLufthansa
Deal found 3/31$699

Cheapflights Fare Finder

Customize your flight search to find flights from Fremont 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 April 2, 2025.
Use the filters below to find and compare flights from Fremont to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fremont

Fly to

Keflavik Intl

Route

Depart

Return

Price

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sat 5/3

7:35 am-4:45 am

1 stop14h 10m

Reykjavik Keflavik Intl

Wed 5/7

3:45 pm-11:34 pm

1 stop14h 49m

$560

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 6/30

6:05 pm-8:15 am

1 stop31h 10m

Reykjavik Keflavik Intl

Tue 7/8

9:35 am-12:05 pm

1 stop33h 30m

$562

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sat 4/19

7:40 pm-9:30 am

1 stop30h 50m

Reykjavik Keflavik Intl

Tue 4/29

10:20 am-4:30 pm

1 stop37h 10m

$709

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 4/14

6:15 am-8:55 am

1 stop19h 40m

Reykjavik Keflavik Intl

Mon 4/28

7:55 pm-1:05 pm

1 stop24h 10m

$835

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 5/26

10:15 am-8:15 am

2 stops15h 00m

$265

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 6/27

2:45 pm-8:15 am

2 stops34h 30m

$309

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sat 5/17

8:44 pm-9:45 pm

1 stop18h 01m

$553

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sat 5/17

2:40 pm-11:35 pm

1 stop25h 55m

$592

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 4/20

9:39 am-9:30 am

1 stop16h 51m

$608

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 6/6

12:43 am-8:30 am

2 stops24h 47m

$668

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 12 results
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Best time to book a flight from Fremont to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Fremont 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 Fremont to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Fremont to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Keflavik Intl. Price data was last updated on March 28, 2025.

Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from Fremont to Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Fremont to Reykjavik Keflavik Intl Airport (average of $328). Flying from Fremont to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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 FR8 to KEF?

Find hourly flight availability from Fremont 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 April 2, 2025.

When flying from Fremont to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Fremont to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Keflavik Intl. Price data was last updated on May 19, 2024.

Travelers seeking maximum savings on their Fremont to Reykjavik Keflavik Intl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 April 2, 2025.
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

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
1,323 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

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.
Austrian Airlines
7.6
Good
771 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

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
8,615 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

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
636 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

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 Fremont 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 are the cheapest airlines to fly from Fremont to Reykjavik Keflavik Intl Airport one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $264. Scandinavian Airlines flights start at $537 while deals on Icelandair start at $553 one-way.

  • Can I find deals for flights from Fremont to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Fremont to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Fremont to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Fremont to Keflavik Intl.

  • Can I find deals for business class flights from Fremont to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Fremont 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 Fremont to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Fremont to Reykjavik Keflavik Intl Airport (average of $328). Flying from Fremont to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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 Fremont?

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Keflavik

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Top 9 airlines flying from Fremont to Keflavik Intl

Discover the top 9 airlines that operate flights from Fremont 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$545Average$763FlexibilityNo cancel feeOn-time60%
Scandinavian AirlinesCheapest$649Average$744FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$716Average$935FlexibilityNo cancel feeOn-time67%
DeltaCheapest$721Average$845FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$722Average$934FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$764Average$1,057FlexibilityNo cancel feeOn-time69%
KLMCheapest$832Average$987FlexibilityNo cancel feeOn-time75%
IcelandairCheapest$863Average$1,129FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$1,045Average$1,141FlexibilityNo cancel feeOn-time75%

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