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Keflavik Intl

$695+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
STS — KEF
Aug 14 — Aug 211
Fri 8/14
Fri 8/21
1 adult, Economy
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Cheap 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 July 15, 2026.

This Icelandair deal was found by Cheapflights users on 7/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:00 am
STS
-
KEF
1 stop16h 15m
Multiple Airlines
Mon 11/94:50 pm
KEF
-
STS
1 stop24h 02m
Multiple Airlines
Deal found 7/15$945
This Icelandair deal was found by Cheapflights users on 7/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:03 am
STS
-
KEF
1 stop16h 12m
Multiple Airlines
Sat 9/124:50 pm
KEF
-
STS
1 stop12h 09m
Multiple Airlines
Deal found 7/12$958
This Icelandair deal was found by Cheapflights users on 7/11. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:03 pm
STS
-
KEF
1 stop31h 42m
Multiple Airlines
Mon 8/2410:40 am
KEF
-
STS
1 stop18h 19m
Multiple Airlines
Deal found 7/11$966
This Icelandair deal was found by Cheapflights users on 7/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:34 pm
STS
-
KEF
1 stop29h 41m
Multiple Airlines
Fri 9/254:50 pm
KEF
-
STS
1 stop23h 25m
Multiple Airlines
Deal found 7/12$975
This Alaska Airlines deal was found by Cheapflights users on 7/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:52 pm
STS
-
KEF
1 stop13h 08m
Alaska Airlines
Tue 8/1812:45 pm
KEF
-
STS
1 stop30h 58m
Alaska Airlines
Deal found 7/11$1,065
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:52 pm
STS
-
KEF
1 stop13h 08m
Alaska Airlines
Thu 8/612:45 pm
KEF
-
STS
1 stop17h 06m
Alaska Airlines
Deal found 7/13$1,094
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:52 pm
STS
-
KEF
1 stop13h 08m
Alaska Airlines
Wed 8/512:45 pm
KEF
-
STS
1 stop30h 13m
Alaska Airlines
Deal found 7/13$1,103
This Icelandair deal was found by Cheapflights users on 7/13. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:00 am
STS
-
KEF
1 stop19h 45m
Multiple Airlines
Sun 8/2310:40 am
KEF
-
STS
1 stop18h 19m
Multiple Airlines
Deal found 7/13$1,148
This Icelandair deal was found by Cheapflights users on 7/13. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:00 am
STS
-
KEF
1 stop19h 40m
Multiple Airlines
Wed 8/54:50 pm
KEF
-
STS
1 stop26h 08m
Multiple Airlines
Deal found 7/13$1,210
This Alaska Airlines deal was found by Cheapflights users on 7/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:52 pm
STS
-
KEF
1 stop13h 08m
Alaska Airlines
Tue 8/1812:45 pm
KEF
-
STS
1 stop30h 58m
Alaska Airlines
Deal found 7/11$1,239
This Alaska Airlines deal was found by Cheapflights users on 7/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:23 pm
STS
-
KEF
1 stop30h 37m
Alaska Airlines
Tue 8/1812:45 pm
KEF
-
STS
1 stop30h 58m
Alaska Airlines
Deal found 7/11$1,247
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2612:52 pm
STS
-
KEF
1 stop13h 08m
Alaska Airlines
Thu 8/612:45 pm
KEF
-
STS
1 stop17h 06m
Alaska Airlines
Deal found 7/13$1,271

Find 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 July 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$945
(Icelandair)

One-way from

$695
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$997
Provider with most accurate pricing for San Francisco-Reykjavik (REK) flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Reykjavik (REK) flights.
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From Santa Rosa Sonoma County to Reykjavik Keflavik Intl
Search Deals
One-way flight from Santa Rosa Sonoma County to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 15, 2026.
Use the filters below to find and compare flights from Santa Rosa to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Fri 10/30

7:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Mon 11/9

4:50 pm-8:52 am

1 stop24h 02m

$945
Quickest round-trip

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Mon 9/7

7:03 am-6:15 am

1 stop16h 12m

Reykjavik Keflavik Intl

Sat 9/12

4:50 pm-9:59 pm

1 stop12h 09m

$958

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Thu 9/17

5:34 pm-6:15 am

1 stop29h 41m

Reykjavik Keflavik Intl

Wed 9/23

4:50 pm-9:15 am

1 stop23h 25m

$975

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Thu 9/17

5:34 pm-6:15 am

1 stop29h 41m

Reykjavik Keflavik Intl

Fri 9/25

4:50 pm-9:15 am

1 stop23h 25m

$975

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Sat 7/25

12:52 pm-9:00 am

1 stop13h 08m

Reykjavik Keflavik Intl

Thu 8/6

12:45 pm-10:51 pm

1 stop17h 06m

$1,094

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Sat 7/25

12:52 pm-9:00 am

1 stop13h 08m

Reykjavik Keflavik Intl

Fri 7/31

12:45 pm-11:58 am

1 stop30h 13m

$1,103

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Fri 8/14

7:00 am-9:45 am

1 stop19h 45m

Reykjavik Keflavik Intl

Sun 8/23

10:40 am-9:59 pm

1 stop18h 19m

$1,148

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Thu 9/3

7:03 am-9:25 am

1 stop19h 22m

Reykjavik Keflavik Intl

Mon 9/7

10:40 am-12:46 pm

1 stop33h 06m

$1,148

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Sun 7/26

12:52 pm-9:00 am

1 stop13h 08m

Reykjavik Keflavik Intl

Fri 7/31

12:45 pm-11:58 am

1 stop30h 13m

$1,280

Santa RosaReykjavik

STS - KEF

STSKEF

Santa Rosa Sonoma County

Sat 7/25

12:52 pm-9:00 am

1 stop13h 08m

Reykjavik Keflavik Intl

Sat 8/1

12:45 pm-11:58 am

1 stop30h 13m

$1,312

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/11

Showing 1-10 of 23 resultsSorted by cheapest first
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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.

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 13h 08m. Alaska Airlines provides one of the quickest options available for as low as $1,094. 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.

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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