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Keflavik Intl

$761+ Cheap flights from Santa Rosa (STS) 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
STS — KEF
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Santa Rosa to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) 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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,392
(American Airlines)

One-way from

$761
(Finnair)
Provider with most accurate pricing for Santa Rosa Sonoma County-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Reykjavik Keflavik Intl flights.
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From Santa Rosa Sonoma County to Reykjavik Keflavik Intl
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One-way flight from Santa Rosa Sonoma County to Reykjavik Keflavik Intl
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Find flight deals from Santa Rosa to Keflavik Intl

Cheapest flights from Santa Rosa to Keflavik Intl
Explore the most affordable flight options available from Santa Rosa to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 8/287:03 amSTS - KEF
2 stops43h 07mAmerican Airlines
Fri 9/1210:30 amKEF - STS
2 stops20h 29mAmerican Airlines
Deal found 4/29$1,392
This Finnair deal was found by Cheapflights users on 4/29. 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.
Mon 7/143:05 pmSTS - KEF
2 stops33h 55mFinnair
Thu 7/178:45 amKEF - STS
2 stops21h 59mFinnair
Deal found 4/29$2,263

Cheapflights Fare Finder

Customize your flight search to find flights from Santa Rosa 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 30, 2025.
Use the filters below to find and compare flights from Santa Rosa to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Santa Rosa

Fly to

Keflavik Intl

Route

Depart

Return

Price

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Thu 8/28

7:03 am-9:10 am

2 stops43h 07m

Reykjavik Keflavik Intl

Fri 9/12

10:30 am-11:59 pm

2 stops20h 29m

$1,392

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Mon 7/14

3:05 pm-8:00 am

2 stops33h 55m

Reykjavik Keflavik Intl

Thu 7/17

8:45 am-11:44 pm

2 stops21h 59m

$2,263

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Mon 7/14

3:05 pm-8:00 am

2 stops33h 55m

$761

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Sun 7/13

12:21 pm-10:00 am

2 stops62h 39m

$836

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

  • Most accurate provider: When it comes to deals on Santa Rosa-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 Santa Rosa-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Santa Rosa-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-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 Santa Rosa-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 Santa Rosa to Keflavik Intl

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

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

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

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 30, 2025.
Finnair
7.6
Good
1,275 reviews

Entertainment

6.9

Comfort

7.4

Food

6.7

Boarding

7.6

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Finnair
7.6
Good
1,275 reviews
Finnair
7.6
Good
1,275 reviews

Entertainment

6.9

Comfort

7.4

Food

6.7

Boarding

7.6

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,275 reviews

Entertainment

6.9

Comfort

7.4

Food

6.7

Boarding

7.6

Overall

7.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa 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 Santa Rosa to Reykjavik Keflavik Intl?

    Most people fly from Santa Rosa Sonoma County (STS) if they book a flight from Santa Rosa to Reykjavik Keflavik Intl. On average, Sonoma County has 0 outbound flights to Reykjavik Keflavik Intl per day from 0 airlines. Santa Rosa Sonoma County is conveniently located just 7.2 mi from Santa Rosa’s city center.

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

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

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

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

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

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

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

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Keflavik

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