What is the cheapest airline to fly from San Francisco to Reykjavik Keflavik Intl Airport round-trip?

According to our current data, WestJet ($564), offers the cheapest pricing from San Francisco to Reykjavik Keflavik Intl Airport. WestJet is priced at 42% lower than the current average price of a flight leaving 3 months from now.

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

One-way options have recently been found by users for as low as $235 on WestJet. Other airlines that offer cheap prices include United Airlines from $569 and Air France from $574 one-way.

What are the most popular airlines that fly from San Francisco to Reykjavik Keflavik Intl Airport?

Air Canada, Air France and Alaska Airlines are the most popular airlines when flying from San Francisco to Reykjavik Keflavik Intl Airport.

What is the cheapest day to fly round-trip from San Francisco to Reykjavik Keflavik Intl Airport?

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 18% when planning your travel around this day of the week.

What is the cheapest month to fly from San Francisco to Reykjavik Keflavik Intl Airport?

February can be a great time to fly to Reykjavik Keflavik Intl Airport from San Francisco with a flight ticket averaging about $1,005. Cheapflights users have found deals in the month of February for as cheap as $701. The most expensive prices can be found in the month of June.

Most accurate provider : When it comes to deals on San Francisco-Reykjavik Keflavik Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Francisco-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Francisco-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Francisco-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Francisco-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from San Francisco to Reykjavik Keflavik Intl?

Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to Reykjavik Keflavik Intl from San Francisco. Booking flights from San Francisco (SFO) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 9 different airlines.

Can I find deals for flights from San Francisco to Keflavik Intl that include hotel bookings?

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

How can I find direct flights from San Francisco 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 Francisco to Keflavik Intl.

Can I find deals for business class flights from San Francisco to Keflavik Intl?

Yes. Cheapflights offers flight deals from San Francisco 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.

$235+ Flights from San Francisco to Reykjavik Keflavik Intl Airport

Q: How far in advance should I book a flight from San Francisco to Reykjavik Keflavik Intl Airport?

Users have found that booking a flight from San Francisco to Reykjavik Keflavik Intl Airport at least 27 days early can save you up to 14% on average compared to booking a flight this week. If booking 27 days before your flight isn’t an option for you, users have found flights from San Francisco to Reykjavik Keflavik Intl Airport for as little as $891 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,297 for flights departing within the next 3 days.

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Find cheap flights from San Francisco to Keflavik Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Francisco to Reykjavik Keflavik Intl are usually found in February or August, booked 20 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from San Francisco to Keflavik Intl

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$564 (WestJet)
One-way from	$235 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$922

Provider with most accurate pricing for San Francisco-Reykjavik Keflavik Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Francisco-Reykjavik Keflavik Intl flights.

Search Deals

From San Francisco to Reykjavik Keflavik Intl

Search Deals

One-way flight from San Francisco to Reykjavik Keflavik Intl

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($69 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from San Francisco to Keflavik Intl

Cheapest flights from San Francisco to Keflavik Intl
Explore the most affordable flight options available from San Francisco to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Fri 8/16:05 pmSFO - KEF

1 stop31h 10mWestJet

Fri 8/159:35 amKEF - SFO

1 stop14h 40mWestJet

Deal found 4/22

$564

Thu 6/2610:15 amSFO - KEF

2 stops15h 00mMultiple Airlines

Wed 7/29:35 amKEF - SFO

1 stop14h 40mMultiple Airlines

Deal found 4/21

$587

Wed 8/2011:50 amSFO - KEF

1 stop13h 20mAir Canada

Tue 8/269:50 amKEF - SFO

1 stop31h 58mAir Canada

Deal found 4/21

$656

Tue 11/45:30 pmSFO - KEF

1 stop33h 15mBritish Airways

Tue 11/1811:45 amKEF - SFO

1 stop35h 15mBritish Airways

Deal found 4/22

$667

Mon 12/295:30 pmSFO - KEF

1 stop33h 20mAmerican Airlines

Fri 1/911:45 amKEF - SFO

1 stop35h 15mAmerican Airlines

Deal found 4/22

$692

Wed 10/17:40 pmSFO - KEF

1 stop30h 50mScandinavian Airlines

Tue 10/75:10 pmKEF - SFO

1 stop30h 20mScandinavian Airlines

Deal found 4/22

$694

Tue 10/1411:30 amSFO - KEF

1 stop15h 00mAir France

Tue 10/218:50 amKEF - SFO

2 stops18h 31mAir France

Deal found 4/22

$717

Mon 9/16:00 amSFO - KEF

1 stop17h 20mDelta

Thu 9/1111:25 amKEF - SFO

1 stop16h 39mDelta

Deal found 4/22

$724

Sat 9/64:50 pmSFO - KEF

1 stop32h 45mUnited Airlines

Wed 9/1712:00 pmKEF - SFO

1 stop17h 34mUnited Airlines

Deal found 4/22

$726

Tue 8/2610:20 amSFO - KEF

2 stops23h 10mFinnair

Thu 9/48:45 amKEF - SFO

2 stops20h 12mFinnair

Deal found 4/22

$755

Best flights from San Francisco to Keflavik Intl
Discover carefully curated flight deals from San Francisco to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Thu 7/1012:50 pmSFO - KEF

1 stop12h 25mWestJet

Wed 7/169:35 amKEF - SFO

1 stop18h 50mWestJet

Deal found 4/22

$564

Thu 6/2610:15 amSFO - KEF

2 stops15h 00mMultiple Airlines

Wed 7/29:35 amKEF - SFO

1 stop14h 40mMultiple Airlines

Deal found 4/21

$587

Last-minute flights from San Francisco to Keflavik Intl
Discover last-minute flight deals from San Francisco to Keflavik Intl. Data last updated April 22, 2025 and is based on user searches.

Tue 4/229:39 amSFO - KEF

1 stop16h 51mDelta

Tue 4/2911:25 amKEF - SFO

1 stop18h 46mDelta

Deal found 4/22

$958

Tue 4/228:55 amSFO - KEF

2 stops17h 35mVirgin Atlantic

Tue 4/2911:25 amKEF - SFO

1 stop16h 27mVirgin Atlantic

Deal found 4/21

$963

Mon 4/2810:07 pmSFO - KEF

2 stops47h 38mMultiple Airlines

Mon 6/29:35 amKEF - SFO

1 stop33h 30mMultiple Airlines

Deal found 4/22

$598

Mon 4/282:40 pmSFO - KEF

2 stops25h 40mAustrian Airlines

Sun 5/412:10 amKEF - SFO

2 stops49h 50mAustrian Airlines

Deal found 4/21

$991

Tue 4/292:40 pmSFO - KEF

1 stop25h 55mLufthansa

Mon 5/512:25 amKEF - SFO

1 stop19h 15mLufthansa

Deal found 4/22

$883

Tue 4/297:40 pmSFO - KEF

1 stop30h 50mScandinavian Airlines

Mon 5/1210:20 amKEF - SFO

1 stop37h 10mScandinavian Airlines

Deal found 4/21

$892

Tue 4/2910:34 amSFO - KEF

1 stop15h 21mIcelandair

Tue 5/65:00 pmKEF - SFO

1 stop24h 00mIcelandair

Deal found 4/22

$895

Tue 4/298:55 amSFO - KEF

2 stops17h 35mVirgin Atlantic

Tue 6/311:25 amKEF - SFO

2 stops17h 24mVirgin Atlantic

Deal found 4/22

$977

Tue 4/293:31 pmSFO - KEF

2 stops33h 29mFinnair

Thu 6/58:45 amKEF - SFO

2 stops19h 13mFinnair

Deal found 4/22

$1,948

Fri 5/27:05 amSFO - KEF

1 stop19h 25mDelta

Fri 6/68:50 amKEF - SFO

1 stop13h 04mDelta

Deal found 4/22

$972

Tue 5/62:40 pmSFO - KEF

1 stop25h 55mLufthansa

Mon 5/1212:25 amKEF - SFO

1 stop19h 15mLufthansa

Deal found 4/22

$833

Wed 5/77:35 amSFO - KEF

1 stop14h 10mMultiple Airlines

Wed 5/143:45 pmKEF - SFO

1 stop14h 49mMultiple Airlines

Deal found 4/21

$597

One-way flights from San Francisco to Keflavik Intl
Search for one-way flight options from San Francisco to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Sun 7/1312:50 pmSFO - KEF

1 stop12h 25mWestJet

Deal found 4/22

$235

Tue 6/310:15 amSFO - KEF

3 stops39h 00mMultiple Airlines

Deal found 4/22

$257

Tue 7/811:47 pmSFO - KEF

1 stop25h 23mUnited Airlines

Deal found 4/22

$569

Mon 5/56:30 amSFO - KEF

2 stops20h 00mAir France

Deal found 4/20

$574

Thu 5/17:30 pmSFO - KEF

1 stop35h 30mSWISS

Deal found 4/20

$589

Fri 5/29:05 pmSFO - KEF

1 stop20h 05mLufthansa

Deal found 4/20

$591

Fri 5/161:00 pmSFO - KEF

1 stop13h 30mDelta

Deal found 4/22

$609

Thu 6/1211:55 pmSFO - KEF

2 stops25h 20mAir Canada

Deal found 4/22

$671

Mon 6/96:00 amSFO - KEF

1 stop19h 55mIcelandair

Deal found 4/21

$726

Tue 4/2912:47 amSFO - KEF

2 stops49h 53mAmerican Airlines

Deal found 4/20

$1,211

Mon 6/97:40 pmSFO - KEF

2 stops31h 35mScandinavian Airlines

Deal found 4/21

$1,607

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Thu 7/10

12:50 pm-8:15 am

1 stop12h 25m

Reykjavik Keflavik Intl

Wed 7/16

9:35 am-9:25 pm

1 stop18h 50m

$564

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Thu 6/26

10:15 am-8:15 am

2 stops15h 00m

Reykjavik Keflavik Intl

Wed 7/2

9:35 am-5:15 pm

1 stop14h 40m

$587

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Sun 7/13

12:50 pm-8:15 am

1 stop12h 25m

$235

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 6/3

10:15 am-8:15 am

3 stops39h 00m

$257

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Tue 7/8

11:47 pm-8:10 am

1 stop25h 23m

$569

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Mon 5/5

6:30 am-9:30 am

2 stops20h 00m

$574

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Thu 5/1

7:30 pm-2:00 pm

1 stop35h 30m

$589

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 5/2

9:05 pm-12:10 am

1 stop20h 05m

$591

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Fri 5/16

1:00 pm-9:30 am

1 stop13h 30m

$609

San FranciscoReykjavik

SFO - KEF

SFOKEF

San Francisco

Thu 6/12

11:55 pm-8:15 am

2 stops25h 20m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 13 results

Compare providers for flights from San Francisco to Keflavik Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Keflavik Intl in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy1 star	Trust Score*3 stars

*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 Francisco-Reykjavik Keflavik Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Francisco-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Francisco-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Francisco-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Francisco-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 Francisco to Keflavik Intl

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

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

Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco 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 San Francisco to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from San Francisco to Reykjavik Keflavik Intl Airport (average of $328). Flying from San Francisco 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 SFO to KEF?

It’s optimal to fly from San Francisco to Reykjavik Keflavik Intl Airport in the evening. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight at noon.

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

Travelers seeking maximum savings on their San Francisco 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

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

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

Delta

8.0

Very good

7,920 reviews

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

7,920 reviews

Delta

8.0

Very good

7,920 reviews

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

1,582 reviews

Delta

8.0

Very good

7,920 reviews

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

1,441 reviews

Delta

8.0

Very good

7,920 reviews

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

8,683 reviews

Delta

8.0

Very good

7,920 reviews

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.

Scandinavian Airlines

7.3

Good

1,342 reviews

Delta

8.0

Very good

7,920 reviews

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

What airport do you fly from for flights from San Francisco to Reykjavik Keflavik Intl?
Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to Reykjavik Keflavik Intl from San Francisco. Booking flights from San Francisco (SFO) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 9 different airlines.
What is the cheapest airline to fly from San Francisco to Reykjavik Keflavik Intl Airport round-trip?
According to our current data, WestJet ($564), offers the cheapest pricing from San Francisco to Reykjavik Keflavik Intl Airport. WestJet is priced at 42% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from San Francisco to Reykjavik Keflavik Intl Airport one-way?
One-way options have recently been found by users for as low as $235 on WestJet. Other airlines that offer cheap prices include United Airlines from $569 and Air France from $574 one-way.
Can I find deals for flights from San Francisco to Keflavik Intl that include hotel bookings?
Yes. In addition to deals on San Francisco to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Francisco 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 Francisco to Keflavik Intl.
Can I find deals for business class flights from San Francisco to Keflavik Intl?
Yes. Cheapflights offers flight deals from San Francisco 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 Francisco to Reykjavik Keflavik Intl Airport?
Currently, November is the cheapest month in which you can book a flight from San Francisco to Reykjavik Keflavik Intl Airport (average of $328). Flying from San Francisco 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

Keflavik

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from San Francisco to Keflavik Intl

Airline	Cheapest	Average	Flexibility	On-time
WestJet	Cheapest$521	Average$715	FlexibilityNo cancel fee	On-time60%
Delta	Cheapest$556	Average$848	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$649	Average$749	FlexibilityNo cancel fee	On-time77%
Air Canada	Cheapest$712	Average$960	FlexibilityNo cancel fee	On-time67%
Air France	Cheapest$722	Average$922	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$764	Average$1,041	FlexibilityNo cancel fee	On-time69%
KLM	Cheapest$832	Average$987	FlexibilityNo cancel fee	On-time75%
Icelandair	Cheapest$862	Average$1,059	FlexibilityNo cancel fee	On-time76%
Alaska Airlines	Cheapest$1,045	Average$1,141	FlexibilityNo cancel fee	On-time75%

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$235+ Cheap flights from San Francisco (SFO) 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to Keflavik Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Francisco to Reykjavik Keflavik Intl are usually found in February or August, booked 20 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from San Francisco to Keflavik Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco to Keflavik Intl

Cheapest flights from San Francisco to Keflavik IntlExplore the most affordable flight options available from San Francisco to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Explore the most affordable flight options available from San Francisco to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Reykjavik Keflavik Intl Airport that are best for you.

Compare providers for flights from San Francisco 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 Francisco to Keflavik Intl in April.

Best time to book a flight from San Francisco to Keflavik Intl

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Everything you need to know about your flight from San Francisco to Reykjavik Keflavik Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Keflavik Intl. Price data was last updated on April 18, 2025.

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

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

Find hourly flight availability from San Francisco 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 22, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Keflavik Intl. Price data was last updated on December 16, 2024.

Rainfall in Keflavik Intl by month

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

Temperature in Keflavik Intl by month

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

Reviews of airlines servicing Keflavik Intl

Related info for your journey

Find useful and relevant information for your journey from San Francisco 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 Francisco to Reykjavik Keflavik Intl?

What is the cheapest airline to fly from San Francisco to Reykjavik Keflavik Intl Airport round-trip?

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

Can I find deals for flights from San Francisco to Keflavik Intl that include hotel bookings?

How can I find direct flights from San Francisco to Keflavik Intl?

Can I find deals for business class flights from San Francisco to Keflavik Intl?

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

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Alternative routes for San Francisco to Keflavik Intl

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Top 9 airlines flying from San Francisco to Keflavik Intl

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Cheapest flights from San Francisco to Keflavik Intl
Explore the most affordable flight options available from San Francisco to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.