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Oslo

$522+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
STS — OSL
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap 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 January 15, 2026.

Round-trip from

$618
(American Airlines)

One-way from

$522
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$526
From Santa Rosa Sonoma County to Oslo
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One-way flight from Santa Rosa Sonoma County to Oslo
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Highest demand for flights based on searches. 25% potential increase in price ($278 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 15, 2026.

This American Airlines deal was found by Cheapflights users on 1/14. 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.
Sun 5/318:20 am
STS
-
OSL
2 stops41h 05m
American Airlines
Mon 6/2212:50 pm
OSL
-
STS
2 stops56h 35m
American Airlines
Deal found 1/14$1,311
This Finnair deal was found by Cheapflights users on 1/14. 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 6/21:05 pm
STS
-
OSL
2 stops21h 40m
Finnair
Tue 6/238:35 am
OSL
-
STS
2 stops23h 47m
Finnair
Deal found 1/14$1,314
This Finnair deal was found by Cheapflights users on 1/14. 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.
Wed 7/110:57 am
STS
-
OSL
2 stops23h 48m
Finnair
Tue 7/148:35 am
OSL
-
STS
2 stops23h 47m
Finnair
Deal found 1/14$1,378
This Finnair deal was found by Cheapflights users on 1/14. 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 5/291:05 pm
STS
-
OSL
2 stops18h 30m
Finnair
Mon 6/228:30 pm
OSL
-
STS
2 stops35h 52m
Finnair
Deal found 1/14$1,384
This American Airlines deal was found by Cheapflights users on 1/14. 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 5/288:20 am
STS
-
OSL
2 stops23h 00m
American Airlines
Mon 6/2212:50 pm
OSL
-
STS
2 stops56h 35m
American Airlines
Deal found 1/14$1,385
This Finnair deal was found by Cheapflights users on 1/14. 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 6/21:05 pm
STS
-
OSL
2 stops21h 40m
Finnair
Fri 6/1912:50 pm
OSL
-
STS
2 stops19h 32m
Finnair
Deal found 1/14$1,406
This Finnair deal was found by Cheapflights users on 1/14. 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.
Wed 7/110:57 am
STS
-
OSL
2 stops23h 48m
Finnair
Fri 7/108:35 am
OSL
-
STS
2 stops23h 47m
Finnair
Deal found 1/14$1,474
This Finnair deal was found by Cheapflights users on 1/14. 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 5/291:05 pm
STS
-
OSL
2 stops22h 00m
Finnair
Fri 6/1912:50 pm
OSL
-
STS
2 stops19h 32m
Finnair
Deal found 1/14$1,476
This American Airlines deal was found by Cheapflights users on 1/14. 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.
Sun 5/318:20 am
STS
-
OSL
2 stops30h 20m
American Airlines
Fri 6/1911:45 am
OSL
-
STS
2 stops41h 32m
American Airlines
Deal found 1/14$1,490
This American Airlines deal was found by Cheapflights users on 1/14. 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.
Sun 5/318:20 am
STS
-
OSL
2 stops30h 20m
American Airlines
Tue 6/2311:15 am
OSL
-
STS
2 stops42h 02m
American Airlines
Deal found 1/14$1,500
This American Airlines deal was found by Cheapflights users on 1/14. 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 5/288:20 am
STS
-
OSL
2 stops30h 30m
American Airlines
Sun 6/2112:50 pm
OSL
-
STS
2 stops56h 35m
American Airlines
Deal found 1/14$1,549
This American Airlines deal was found by Cheapflights users on 1/14. 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 5/288:20 am
STS
-
OSL
2 stops30h 30m
American Airlines
Fri 6/1911:45 am
OSL
-
STS
2 stops41h 32m
American Airlines
Deal found 1/14$1,563

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 January 15, 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

Mon 6/1

8:20 am-11:30 pm

2 stops30h 10m

Oslo Gardermoen

Mon 6/22

12:50 pm-12:25 pm

2 stops56h 35m

$1,311

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

Sun 5/31

8:20 am-10:25 am

2 stops41h 05m

Oslo Gardermoen

Mon 6/22

12:50 pm-12:25 pm

2 stops56h 35m

$1,311

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

Tue 6/2

8:20 am-11:25 pm

2 stops30h 05m

Oslo Gardermoen

Mon 6/22

12:50 pm-12:25 pm

2 stops56h 35m

$1,311

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

Tue 6/2

1:05 pm-7:45 pm

2 stops21h 40m

Oslo Gardermoen

Tue 6/23

8:35 am-11:22 pm

2 stops23h 47m

$1,314

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

Wed 7/1

10:57 am-7:45 pm

2 stops23h 48m

Oslo Gardermoen

Tue 7/14

8:35 am-11:22 pm

2 stops23h 47m

$1,378

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

Fri 5/29

1:05 pm-4:35 pm

2 stops18h 30m

Oslo Gardermoen

Tue 6/23

12:50 pm-11:22 pm

2 stops19h 32m

$1,384

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

Thu 5/28

8:20 am-4:20 pm

2 stops23h 00m

Oslo Gardermoen

Mon 6/22

12:50 pm-12:25 pm

2 stops56h 35m

$1,385

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

Sat 5/30

8:20 am-11:35 pm

2 stops30h 15m

Oslo Gardermoen

Mon 6/22

12:50 pm-12:25 pm

2 stops56h 35m

$1,385

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

Tue 6/2

1:05 pm-7:45 pm

2 stops21h 40m

Oslo Gardermoen

Fri 6/19

12:50 pm-11:22 pm

2 stops19h 32m

$1,406

Santa RosaOslo

STS - OSL

STSOSL

Santa Rosa Sonoma County

Wed 7/1

10:57 am-7:45 pm

2 stops23h 48m

Oslo Gardermoen

Fri 7/10

8:35 am-11:22 pm

2 stops23h 47m

$1,474

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 17 results
1
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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 $730). 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 and Finnair fly from Santa Rosa to Oslo in about 21h 40m. The time it takes to get you to your destination can typically vary by up to 8h 30m. The distance between Santa Rosa and Oslo is about 5131 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $730). 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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