$861+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
STS — KEF
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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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
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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
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Best
Last-minute
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 September 8, 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 September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/64:35 pm -
2 stops30h 40m
Tue 10/134:50 pm -
1 stop23h 07m
Deal found 9/8![Multiple Airlines logo]()
$861
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/177:00 am -
1 stop16h 15m
Sat 10/244:50 pm -
1 stop12h 06m
Deal found 9/4![Multiple Airlines logo]()
$864
This oojo deal was found by Cheapflights users on 9/8. 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.
Tue 10/65:06 pm -
1 stop30h 09m
Tue 10/137:45 pm -
1 stop33h 11m
Deal found 9/8![Icelandair logo]()
$888
This Icelandair deal was found by Cheapflights users on 9/4. 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 12/26:40 am -
1 stop15h 35m
Tue 12/85:00 pm -
1 stop27h 16m
Deal found 9/4![Multiple Airlines logo]()
$955
This Icelandair deal was found by Cheapflights users on 9/4. 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 12/26:47 pm -
1 stop27h 28m
Wed 12/95:00 pm -
1 stop27h 16m
Deal found 9/4![Multiple Airlines logo]()
$963
This Icelandair deal was found by Cheapflights users on 9/7. 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 10/35:06 pm -
1 stop30h 09m
Sat 10/177:45 pm -
1 stop33h 11m
Deal found 9/7![Multiple Airlines logo]()
$964
This Icelandair deal was found by Cheapflights users on 9/6. 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 11/147:00 am -
1 stop15h 15m
Sat 11/215:00 pm -
1 stop14h 09m
Deal found 9/6![Multiple Airlines logo]()
$989
This Finnair deal was found by Cheapflights users on 9/7. 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.
Sun 11/2212:52 pm -
2 stops44h 23m
Sun 11/2910:00 am -
2 stops58h 22m
Deal found 9/7![Multiple Airlines logo]()
$1,008
This oojo deal was found by Cheapflights users on 9/5. 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.
Fri 10/95:06 pm -
1 stop33h 19m
Fri 10/164:50 pm -
1 stop31h 05m
Deal found 9/5![Icelandair logo]()
$1,022
This Icelandair deal was found by Cheapflights users on 9/6. 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 10/85:06 pm -
1 stop33h 19m
Thu 10/154:50 pm -
1 stop12h 06m
Deal found 9/6![Multiple Airlines logo]()
$1,095
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 September 8, 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 September 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/64:35 pm -
2 stops30h 40m
Tue 10/134:50 pm -
1 stop23h 07m
Deal found 9/8![Multiple Airlines logo]()
$861
This oojo deal was found by Cheapflights users on 9/8. 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.
Tue 10/65:06 pm -
1 stop30h 09m
Tue 10/137:45 pm -
1 stop33h 11m
Deal found 9/8![Icelandair logo]()
$888
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Fri 10/98:05 pm -
2 stops30h 20m
Fri 10/167:45 pm -
1 stop24h 21m
Deal found 9/5![Alaska Airlines logo]()
$1,135
This Icelandair deal was found by Cheapflights users on 9/4. 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 12/26:40 am -
1 stop15h 35m
Tue 12/85:00 pm -
1 stop27h 16m
Deal found 9/4![Multiple Airlines logo]()
$955
This Icelandair deal was found by Cheapflights users on 9/6. 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 10/105:06 pm -
1 stop30h 09m
Sat 10/177:45 pm -
1 stop33h 11m
Deal found 9/6![Multiple Airlines logo]()
$964
This Icelandair deal was found by Cheapflights users on 9/6. 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 11/147:00 am -
1 stop15h 15m
Sat 11/215:00 pm -
1 stop14h 09m
Deal found 9/6![Multiple Airlines logo]()
$989
This Finnair deal was found by Cheapflights users on 9/7. 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.
Sun 11/2212:52 pm -
2 stops44h 23m
Sun 11/2910:00 am -
2 stops58h 22m
Deal found 9/7![Multiple Airlines logo]()
$1,008
This Finnair deal was found by Cheapflights users on 9/4. 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.
Sat 2/66:30 pm -
2 stops62h 45m
Sat 2/136:00 pm -
2 stops49h 07m
Deal found 9/4![Multiple Airlines logo]()
$1,040
This Finnair deal was found by Cheapflights users on 9/4. 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.
Tue 11/247:39 am -
2 stops41h 36m
Sun 11/2910:00 am -
2 stops58h 22m
Deal found 9/4![Multiple Airlines logo]()
$1,247
Last-minute flights from Santa Rosa to Keflavik IntlDiscover last-minute flight deals from Santa Rosa to Keflavik Intl. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Keflavik Intl. Data last updated September 8, 2026 and is based on user searches.
This Icelandair deal was found by Cheapflights users on 9/7. 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 10/35:06 pm -
1 stop30h 09m
Sat 10/177:45 pm -
1 stop33h 11m
Deal found 9/7![Multiple Airlines logo]()
$964
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/64:35 pm -
2 stops30h 40m
Tue 10/134:50 pm -
1 stop23h 07m
Deal found 9/8![Multiple Airlines logo]()
$861
This oojo deal was found by Cheapflights users on 9/8. 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.
Tue 10/65:06 pm -
1 stop30h 09m
Tue 10/137:45 pm -
1 stop33h 11m
Deal found 9/8![Icelandair logo]()
$888
This Icelandair deal was found by Cheapflights users on 9/6. 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 10/85:06 pm -
1 stop33h 19m
Thu 10/154:50 pm -
1 stop12h 06m
Deal found 9/6![Multiple Airlines logo]()
$1,095
This oojo deal was found by Cheapflights users on 9/5. 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.
Fri 10/95:06 pm -
1 stop33h 19m
Fri 10/164:50 pm -
1 stop31h 05m
Deal found 9/5![Icelandair logo]()
$1,022
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Fri 10/98:05 pm -
2 stops30h 20m
Fri 10/167:45 pm -
1 stop24h 21m
Deal found 9/5![Alaska Airlines logo]()
$1,135
This Finnair deal was found by Cheapflights users on 9/6. 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.
Sat 10/1012:43 pm -
2 stops60h 07m
Sat 10/178:40 am -
2 stops58h 33m
Deal found 9/6![Multiple Airlines logo]()
$1,457
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/177:00 am -
1 stop16h 15m
Sat 10/244:50 pm -
1 stop12h 06m
Deal found 9/4![Multiple Airlines logo]()
$864
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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $861 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $916 |
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 September 8, 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
Tue 10/6
4:35 pm-6:15 am
2 stops30h 40m
Reykjavik Keflavik Intl
Tue 10/13
4:50 pm-8:57 am
1 stop23h 07m
$861
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Tue 10/6
5:06 pm-6:15 am
1 stop30h 09m
Reykjavik Keflavik Intl
Tue 10/13
7:45 pm-9:56 pm
1 stop33h 11m
$888
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Wed 12/2
6:40 am-6:15 am
1 stop15h 35m
Reykjavik Keflavik Intl
Tue 12/8
5:00 pm-12:16 pm
1 stop27h 16m
$955
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Sat 10/10
5:06 pm-6:15 am
1 stop30h 09m
Reykjavik Keflavik Intl
Sat 10/17
7:45 pm-9:56 pm
1 stop33h 11m
$964
Quickest round-trip
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Sat 11/14
7:00 am-6:15 am
1 stop15h 15m
Reykjavik Keflavik Intl
Sat 11/21
5:00 pm-11:09 pm
1 stop14h 09m
$989
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Sun 11/22
12:52 pm-5:15 pm
2 stops44h 23m
Reykjavik Keflavik Intl
Sun 11/29
10:00 am-12:22 pm
2 stops58h 22m
$1,008
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Sat 2/6
6:30 pm-5:15 pm
2 stops62h 45m
Reykjavik Keflavik Intl
Sat 2/13
6:00 pm-11:07 am
2 stops49h 07m
$1,040
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Fri 10/9
8:05 pm-9:25 am
2 stops30h 20m
Reykjavik Keflavik Intl
Fri 10/16
7:45 pm-1:06 pm
1 stop24h 21m
$1,135
Santa RosaReykjavik
STS Santa Rosa Sonoma County - KEF Reykjavik Keflavik Intl
STSKEF
Santa Rosa Sonoma County
Tue 11/24
7:39 am-9:15 am
2 stops41h 36m
Reykjavik Keflavik Intl
Sun 11/29
10:00 am-12:22 pm
2 stops58h 22m
$1,247
Sorted 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 locationsKeflavik
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