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Keflavik Intl

$683+ Cheap flights from Santa Rosa (STS) to Keflavik Intl (KEF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
STS — KEF
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$683
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$857
From Santa Rosa Sonoma County to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 10% potential increase in price ($115 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sat 10/112:30 pmSTS - KEF
1 stop11h 55mMultiple Airlines
Mon 10/207:45 pmKEF - STS
2 stops23h 16mMultiple Airlines
Deal found 9/14$683
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/247:40 amSTS - KEF
2 stops43h 10mAmerican Airlines
Thu 12/411:45 amKEF - STS
2 stops44h 07mAmerican Airlines
Deal found 9/14$849
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/174:23 pmSTS - KEF
2 stops34h 27mAmerican Airlines
Wed 11/2611:50 amKEF - STS
2 stops60h 03mAmerican Airlines
Deal found 9/14$855
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/244:23 pmSTS - KEF
2 stops34h 27mAmerican Airlines
Sun 12/75:55 pmKEF - STS
2 stops37h 57mAmerican Airlines
Deal found 9/14$904
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/2712:37 pmSTS - KEF
2 stops38h 18mAmerican Airlines
Tue 12/911:50 amKEF - STS
2 stops60h 06mAmerican Airlines
Deal found 9/14$910
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/174:23 pmSTS - KEF
2 stops34h 27mAmerican Airlines
Mon 12/111:50 amKEF - STS
2 stops56h 37mAmerican Airlines
Deal found 9/14$941
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/2712:37 pmSTS - KEF
2 stops38h 18mAmerican Airlines
Fri 12/511:50 amKEF - STS
2 stops44h 02mAmerican Airlines
Deal found 9/14$959
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/174:23 pmSTS - KEF
2 stops34h 27mAmerican Airlines
Thu 11/2711:45 amKEF - STS
2 stops57h 03mAmerican Airlines
Deal found 9/14$996
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/1712:37 pmSTS - KEF
2 stops38h 13mAmerican Airlines
Sun 11/305:55 pmKEF - STS
2 stops38h 01mAmerican Airlines
Deal found 9/14$1,055
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/207:45 amSTS - KEF
2 stops43h 10mAmerican Airlines
Wed 11/2611:50 amKEF - STS
2 stops60h 03mAmerican Airlines
Deal found 9/14$1,061

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 September 16, 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

Sat 10/11

2:30 pm-9:25 am

1 stop11h 55m

Reykjavik Keflavik Intl

Mon 10/20

7:45 pm-12:01 pm

2 stops23h 16m

$683

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Thu 11/27

12:37 pm-10:55 am

2 stops38h 18m

Reykjavik Keflavik Intl

Thu 12/4

11:45 am-11:52 pm

2 stops44h 07m

$904

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Thu 11/27

12:37 pm-10:55 am

2 stops38h 18m

Reykjavik Keflavik Intl

Sun 12/7

5:55 pm-11:52 pm

2 stops37h 57m

$959

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Fri 11/28

12:37 pm-10:40 am

2 stops38h 03m

Reykjavik Keflavik Intl

Sun 12/7

5:55 pm-11:52 pm

2 stops37h 57m

$959

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Tue 9/30

2:28 pm-9:25 am

1 stop11h 57m

Reykjavik Keflavik Intl

Wed 10/8

4:50 pm-10:06 pm

1 stop12h 16m

$1,065

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Sun 9/28

7:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Wed 10/8

4:50 pm-10:06 pm

1 stop12h 16m

$1,077

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Wed 10/1

2:28 pm-9:25 am

1 stop11h 57m

Reykjavik Keflavik Intl

Tue 10/7

7:45 pm-9:03 am

2 stops20h 18m

$1,094

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Sat 10/11

6:51 pm-9:25 am

2 stops31h 34m

Reykjavik Keflavik Intl

Mon 10/20

7:45 pm-12:01 pm

2 stops23h 16m

$1,182

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Fri 10/3

7:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Tue 10/7

7:45 pm-9:03 am

2 stops20h 18m

$1,186

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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 June is currently the most expensive (average of $656). 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.

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.

  • How long is the flight from Santa Rosa to Reykjavik Keflavik Intl Airport?

    A quick flight from Santa Rosa to Reykjavik Keflavik Intl Airport can take about 38h 18m. American Airlines provides one of the quickest options available for as low as $904. There are 4149 mi between Santa Rosa and Reykjavik Keflavik Intl Airport.

  • 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 June is currently the most expensive (average of $656). 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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