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$806+ Cheap flights from Santa Rosa (STS) to Oslo

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
STS — OSL
mars 23 — mars 301
lun. 3/23
lun. 3/30
1 adult, Economy
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Cheap flight deals from Santa Rosa to Oslo

Cheapest flights from Santa Rosa to Oslo
Explore the most affordable flight options available from Santa Rosa to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on février 21, 2026.

This American Airlines deal was found by Cheapflights users on 2/18. 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.
mer. 9/23:05 pm
STS
-
OSL
2 stops40h 15m
American Airlines
lun. 9/77:45 am
OSL
-
STS
2 stops49h 00m
American Airlines
Deal found 2/18$806
This American Airlines deal was found by Cheapflights users on 2/18. 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.
jeu. 9/312:17 pm
STS
-
OSL
2 stops19h 03m
American Airlines
mar. 9/87:45 am
OSL
-
STS
2 stops25h 00m
American Airlines
Deal found 2/18$859
This Icelandair deal was found by Cheapflights users on 2/20. 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.
mer. 6/37:50 am
STS
-
OSL
2 stops22h 35m
Multiple Airlines
mer. 6/101:50 pm
OSL
-
STS
2 stops18h 32m
Multiple Airlines
Deal found 2/20$862
This American Airlines deal was found by Cheapflights users on 2/18. 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.
mer. 9/212:17 pm
STS
-
OSL
2 stops21h 58m
American Airlines
dim. 9/68:00 am
OSL
-
STS
2 stops24h 45m
American Airlines
Deal found 2/18$869
This Iberia deal was found by Cheapflights users on 2/17. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/23:05 pm
STS
-
OSL
2 stops23h 20m
Multiple Airlines
lun. 9/711:35 am
OSL
-
STS
2 stops21h 10m
Multiple Airlines
Deal found 2/17$871
This American Airlines deal was found by Cheapflights users on 2/17. 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.
jeu. 9/34:17 pm
STS
-
OSL
2 stops22h 33m
American Airlines
dim. 9/68:00 am
OSL
-
STS
2 stops24h 45m
American Airlines
Deal found 2/17$922
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mar. 5/267:59 am
STS
-
OSL
2 stops23h 26m
American Airlines
lun. 6/87:45 am
OSL
-
STS
2 stops45h 14m
American Airlines
Deal found 2/19$1,001
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mar. 5/267:59 am
STS
-
OSL
2 stops30h 21m
American Airlines
ven. 6/57:50 am
OSL
-
STS
2 stops45h 09m
American Airlines
Deal found 2/19$1,007
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mar. 5/267:59 am
STS
-
OSL
2 stops30h 21m
American Airlines
mer. 6/1011:35 am
OSL
-
STS
2 stops57h 55m
American Airlines
Deal found 2/19$1,008
This American Airlines deal was found by Cheapflights users on 2/19. 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.
dim. 5/317:59 am
STS
-
OSL
2 stops30h 41m
American Airlines
lun. 6/811:35 am
OSL
-
STS
2 stops41h 24m
American Airlines
Deal found 2/19$1,029
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mar. 5/267:59 am
STS
-
OSL
2 stops23h 26m
American Airlines
mar. 6/911:15 am
OSL
-
STS
2 stops42h 02m
American Airlines
Deal found 2/19$1,031
This American Airlines deal was found by Cheapflights users on 2/19. 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.
dim. 5/317:59 am
STS
-
OSL
2 stops23h 16m
American Airlines
mer. 6/1011:35 am
OSL
-
STS
2 stops57h 55m
American Airlines
Deal found 2/19$1,036

Find flight deals from Santa Rosa to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Oslo (OS1). 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 février 21, 2026.

Round-trip from

$862
(Icelandair)

Popular in

June

Cheapest in

February

Average price

$520
From Santa Rosa Sonoma County to Oslo
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($278 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Oslo 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 février 21, 2026.
Use the filters below to find and compare flights from Santa Rosa to Oslo that are best for you.

Fly from

Santa Rosa

Fly to

Oslo

Route

Depart

Return

Price

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

mer. 6/3

7:50 am-3:25 pm

2 stops22h 35m

Oslo Gardermoen

mer. 6/10

1:50 pm-11:22 pm

2 stops18h 32m

$862

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

mer. 5/27

1:00 pm-10:55 am

2 stops36h 55m

Oslo Gardermoen

jeu. 6/4

7:45 am-9:22 pm

2 stops46h 37m

$1,001

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

mar. 5/26

7:59 am-4:25 pm

2 stops23h 26m

Oslo Gardermoen

lun. 6/8

7:45 am-7:59 pm

2 stops45h 14m

$1,001

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

mar. 5/26

7:59 am-11:20 pm

2 stops30h 21m

Oslo Gardermoen

jeu. 6/4

7:45 am-9:22 pm

2 stops46h 37m

$1,001

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

mar. 5/26

7:59 am-11:20 pm

2 stops30h 21m

Oslo Gardermoen

ven. 6/5

7:50 am-7:59 pm

2 stops45h 09m

$1,007

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

lun. 6/1

7:59 am-10:40 am

2 stops41h 41m

Oslo Gardermoen

ven. 6/5

7:50 am-7:59 pm

2 stops45h 09m

$1,007

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

lun. 6/1

7:59 am-11:25 pm

2 stops30h 26m

Oslo Gardermoen

mer. 6/10

11:35 am-12:30 pm

2 stops57h 55m

$1,008

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

mar. 5/26

7:59 am-11:20 pm

2 stops30h 21m

Oslo Gardermoen

mer. 6/10

11:35 am-12:30 pm

2 stops57h 55m

$1,008

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

mer. 5/27

7:59 am-7:15 pm

2 stops26h 16m

Oslo Gardermoen

mer. 6/10

11:35 am-12:30 pm

2 stops57h 55m

$1,008

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

dim. 5/31

7:59 am-11:40 pm

2 stops30h 41m

Oslo Gardermoen

lun. 6/8

11:35 am-7:59 pm

2 stops41h 24m

$1,029

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 12 results
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Best time to book a flight from Santa Rosa to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo 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 Oslo

What is the cheapest month to book a flight from Santa Rosa to Oslo?

Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Oslo (average of $416). Flying from Santa Rosa to Oslo in June is currently the most expensive (average of $729). 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 Oslo. 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 Oslo?

    Santa Rosa Sonoma County (STS) is the airport you will fly out of if you book a flight from Santa Rosa to Oslo. You should not have trouble finding flights to Oslo from Sonoma County; the airport handles an average of 0 outbound flights to Oslo per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Santa Rosa airport to Oslo. It is only a 7.2 mi journey to Sonoma County (STS) from Santa Rosa’s city center.

  • How long is the flight from Santa Rosa to Oslo?

    Airlines like American Airlines fly from Santa Rosa to Oslo in about 36h 55m. The time it takes to get you to your destination can typically vary by up to . The distance between Santa Rosa and Oslo is about 5131 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santa Rosa to Oslo 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 Oslo?

    Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Oslo (average of $416). Flying from Santa Rosa to Oslo in June is currently the most expensive (average of $729). 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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