$898+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
STS — KEF
Nov 26 — Dec 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Santa Rosa 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.Cheap flight deals from Santa Rosa to Keflavik Intl
Cheapest
Best
One-way
Cheapest flights from Santa Rosa to Keflavik IntlExplore 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 October 27, 2026.
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 October 27, 2026.
This oojo deal was found by Cheapflights users on 10/23. 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.
Mon 12/76:40 am -
1 stop15h 35m
Mon 12/144:50 pm -
1 stop24h 07m
Deal found 10/23![Icelandair logo]()
$898
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 12/76:40 am -
1 stop15h 35m
Mon 12/144:50 pm -
2 stops25h 25m
Deal found 10/23![Alaska Airlines logo]()
$1,037
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 12/256:20 am -
1 stop15h 55m
Sun 1/105:00 pm -
2 stops28h 32m
Deal found 10/26![Multiple Airlines logo]()
$1,197
This Trip.com deal was found by Cheapflights users on 10/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:07 pm -
1 stop25h 08m
Fri 1/85:00 pm -
1 stop11h 33m
Deal found 10/26![Multiple Airlines logo]()
$1,213
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 12/256:20 am -
1 stop15h 55m
Sat 1/95:00 pm -
2 stops27h 21m
Deal found 10/26![Multiple Airlines logo]()
$1,247
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 12/256:20 am -
1 stop15h 55m
Fri 1/85:00 pm -
2 stops27h 21m
Deal found 10/26![Multiple Airlines logo]()
$1,289
This Icelandair deal was found by Cheapflights users on 10/23. 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.
Wed 12/239:07 pm -
1 stop25h 08m
Sun 12/274:50 pm -
1 stop24h 12m
Deal found 10/23![Multiple Airlines logo]()
$1,294
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 12/229:07 pm -
1 stop25h 08m
Fri 1/85:00 pm -
2 stops24h 20m
Deal found 10/26![Alaska Airlines logo]()
$1,295
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/239:07 pm -
1 stop25h 08m
Sun 1/104:50 pm -
1 stop24h 30m
Deal found 10/26![Multiple Airlines logo]()
$1,304
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 12/256:20 am -
1 stop15h 55m
Thu 1/75:00 pm -
2 stops27h 21m
Deal found 10/26![Multiple Airlines logo]()
$1,339
Best flights from Santa Rosa to Keflavik IntlDiscover carefully curated flight deals from Santa Rosa to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
Discover carefully curated flight deals from Santa Rosa to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
This oojo deal was found by Cheapflights users on 10/23. 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.
Mon 12/76:40 am -
1 stop15h 35m
Mon 12/144:50 pm -
1 stop24h 07m
Deal found 10/23![Icelandair logo]()
$898
This Icelandair deal was found by Cheapflights users on 10/22. 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 1/164:50 pm -
1 stop29h 25m
Sat 1/235:00 pm -
1 stop11h 33m
Deal found 10/22![Multiple Airlines logo]()
$1,036
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 12/76:40 am -
1 stop15h 35m
Mon 12/144:50 pm -
2 stops25h 25m
Deal found 10/23![Alaska Airlines logo]()
$1,037
This Icelandair deal was found by Cheapflights users on 10/22. 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 4/37:12 am -
1 stop19h 13m
Wed 4/74:50 pm -
1 stop23h 22m
Deal found 10/22![Multiple Airlines logo]()
$1,040
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 12/229:07 pm -
1 stop25h 08m
Fri 1/85:00 pm -
2 stops24h 20m
Deal found 10/26![Alaska Airlines logo]()
$1,295
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 12/256:20 am -
1 stop15h 55m
Fri 1/85:00 pm -
2 stops27h 21m
Deal found 10/26![Multiple Airlines logo]()
$1,289
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:46 pm -
1 stop26h 29m
Sun 1/104:50 pm -
1 stop24h 30m
Deal found 10/26![Multiple Airlines logo]()
$1,304
This Expedia deal was found by Cheapflights users on 10/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:36 pm -
2 stops55h 39m
Mon 12/1411:55 am -
2 stops43h 26m
Deal found 10/23![Multiple Airlines logo]()
$1,458
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/2412:01 pm -
2 stops38h 49m
Thu 1/711:40 am -
2 stops44h 02m
Deal found 10/26![American Airlines logo]()
$4,872
This Icelandair deal was found by Cheapflights users on 10/26. 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 12/247:46 pm -
1 stop26h 29m
Mon 12/285:00 pm -
1 stop14h 59m
Deal found 10/26![Multiple Airlines logo]()
$1,895
One-way flights from Santa Rosa to Keflavik IntlSearch for one-way flight options from Santa Rosa to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
Search for one-way flight options from Santa Rosa to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
This Finnair deal was found by Cheapflights users on 10/25. 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.
Fri 12/1812:01 pm -
2 stops38h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$1,170
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Sat 12/199:42 am -
2 stops23h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$1,480
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 October 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $884 (oojo) |
Popular in | December |
Cheapest in | February |
Average price | $955 |
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 7,457,451 searches. Data last updated October 27, 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
Cheapest round-trip
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Mon 12/7
6:40 am-6:15 am
1 stop15h 35m
Reykjavik Keflavik Intl
Mon 12/14
4:50 pm-8:57 am
1 stop24h 07m
$898
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Sat 1/16
4:50 pm-6:15 am
1 stop29h 25m
Reykjavik Keflavik Intl
Sat 1/23
5:00 pm-8:33 pm
1 stop11h 33m
$1,036
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Mon 12/7
6:40 am-6:15 am
1 stop15h 35m
Reykjavik Keflavik Intl
Mon 12/14
4:50 pm-10:15 am
2 stops25h 25m
$1,037
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Sat 4/3
7:12 am-9:25 am
1 stop19h 13m
Reykjavik Keflavik Intl
Wed 4/7
4:50 pm-9:12 am
1 stop23h 22m
$1,040
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Fri 12/18
12:01 pm-10:45 am
2 stops38h 44m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$1,170
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Fri 12/25
6:20 am-6:15 am
1 stop15h 55m
Reykjavik Keflavik Intl
Fri 1/8
5:00 pm-12:21 pm
2 stops27h 21m
$1,289
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Tue 12/22
9:07 pm-6:15 am
1 stop25h 08m
Reykjavik Keflavik Intl
Fri 1/8
5:00 pm-9:20 am
2 stops24h 20m
$1,295
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Thu 12/24
7:46 pm-6:15 am
1 stop26h 29m
Reykjavik Keflavik Intl
Sun 1/10
4:50 pm-9:20 am
1 stop24h 30m
$1,304
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Mon 12/7
5:36 pm-9:15 am
2 stops55h 39m
Reykjavik Keflavik Intl
Mon 12/14
11:55 am-11:21 pm
2 stops43h 26m
$1,458
Quickest round-trip
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Sat 12/19
9:42 am-5:00 pm
2 stops23h 18m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$1,480
Showing 1-10 of 12 resultsSorted by cheapest first
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.
STS-KEF
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.
Traveling to a place near Reykjavik Keflavik Intl Airport?
Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locationsHveragerdi
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Keflavik Intl flight routes
Other flight options
Other flights from Santa Rosa
Popular flights