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$1,409+ Cheap flights from Santa Rosa (STS) to Oslo

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
STS — OSL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This oojo deal was found by Cheapflights users on 12/16. 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.
Sun 12/213:53 pmSTS - OSL
2 stops21h 47mMultiple Airlines
Sat 1/311:20 amOSL - STS
2 stops32h 14mMultiple Airlines
Deal found 12/16$5,250

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 December 18, 2025.

Popular in

June

Cheapest in

November

Average price

$926
Highest demand for flights based on searches. 24% potential increase in price ($265 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 18, 2025.
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

Tue 12/23

3:53 pm-10:55 am

2 stops58h 02m

$1,409

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

Mon 12/22

7:00 am-10:55 am

2 stops42h 55m

$1,931

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 $747). 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.

  • 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 $747). 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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