$496 Cheap Flights from San Francisco (SFO) to Oulu (OUL)

View $496 flight on Sun, Feb 1, 2026Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Oulu (OUL)

Cheap Flights from San Francisco to Oulu (SFO-OUL)

Prices were available within the past 7 days and start at $496 for one-way flights and $698 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Jan 12 - Fri, Jan 30
SFO
San Francisco
OUL
Oulu
$698 Roundtrip, found 4 days ago
$698
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Jan 12 from San Francisco to Oulu, returning Fri, Jan 30, priced at $698 found 4 days ago
British Airways
Mon, Jan 12 - Wed, Jan 28
SFO
San Francisco
OUL
Oulu
$698 Roundtrip, found 4 days ago
$698
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Jan 12 from San Francisco to Oulu, returning Wed, Jan 28, priced at $698 found 4 days ago
British Airways
Sun, Feb 1 - Tue, Feb 10
SFO
San Francisco
OUL
Oulu
$705 Roundtrip, found 4 days ago
$705
Roundtrip
found 4 days ago
Select British Airways flight, departing Sun, Feb 1 from San Francisco to Oulu, returning Tue, Feb 10, priced at $705 found 4 days ago
British Airways
Tue, Jan 13 - Tue, Jan 20
SFO
San Francisco
OUL
Oulu
$712 Roundtrip, found 3 days ago
$712
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Jan 13 from San Francisco to Oulu, returning Tue, Jan 20, priced at $712 found 3 days ago
British Airways
Sun, Feb 1 - Fri, Feb 13
SFO
San Francisco
OUL
Oulu
$714 Roundtrip, found 4 days ago
$714
Roundtrip
found 4 days ago
Select British Airways flight, departing Sun, Feb 1 from San Francisco to Oulu, returning Fri, Feb 13, priced at $714 found 4 days ago
British Airways
Thu, Jan 15 - Fri, Jan 30
SFO
San Francisco
OUL
Oulu
$717 Roundtrip, found 4 days ago
$717
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, Jan 15 from San Francisco to Oulu, returning Fri, Jan 30, priced at $717 found 4 days ago
Finnair
Tue, Jan 13 - Tue, Jan 20
SFO
San Francisco
OUL
Oulu
$837 Roundtrip, found 3 days ago
$837
Roundtrip
found 3 days ago
Select Finnair flight, departing Tue, Jan 13 from San Francisco to Oulu, returning Tue, Jan 20, priced at $837 found 3 days ago
Iberia
Tue, Jan 13 - Tue, Jan 20
SFO
San Francisco
OUL
Oulu
$1,003 Roundtrip, found 3 days ago
$1,003
Roundtrip
found 3 days ago
Select Iberia flight, departing Tue, Jan 13 from San Francisco to Oulu, returning Tue, Jan 20, priced at $1,003 found 3 days ago
Turkish Airlines
Sat, Feb 28 - Mon, Mar 9
SFO
San Francisco
OUL
Oulu
$1,268 Roundtrip, found 1 day ago
$1,268
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Sat, Feb 28 from San Francisco to Oulu, returning Mon, Mar 9, priced at $1,268 found 1 day ago
Alaska Airlines
Tue, Jan 13 - Tue, Jan 20
SFO
San Francisco
OUL
Oulu
$1,547 Roundtrip, found 3 days ago
$1,547
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Jan 13 from San Francisco to Oulu, returning Tue, Jan 20, priced at $1,547 found 3 days ago

Alternative airports near Oulu

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Oulu OUL. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $2,906
OUL
Oulu
CheapestClosest
Average driving time to city center16 min
Flights from $2,906
Flights from San Francisco (SFO) to Oulu (OUL)
Origin airport
San Francisco Intl.
Destination airport
Oulu
Roundtrip price
$697
Distance
5140 mi

San Francisco to Oulu Flights

The cheapest times to fly from San Francisco to Oulu

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Oulu are during the month of January. You can find some of the cheapest flights from San Francisco to Oulu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Oulu

Sunday is one of the best days to book for cheap flights from San Francisco to Oulu: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Oulu

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Oulu in 2026. You can also book with separate airlines for your outbound and return journeys, from $496 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Oulu flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Oulu airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Oulu Airport (OUL) cost?
Grab a cheap one-way flight from $496 or cheap return flight from $698 from San Francisco Intl. Airport (SFO) to Oulu Airport (OUL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Oulu Airport (OUL)?
The cheapest month to fly from SFO to OUL is January, when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Oulu Airport (OUL)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from SFO to OUL. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Oulu Airport (OUL)?
There aren't any daily direct flights available from San Francisco Intl. Airport (SFO) to Oulu Airport (OUL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from SFO to OUL?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Oulu Airport (OUL)?
To avoid possible delays on the San Francisco Intl. Airport (SFO) to Oulu Airport (OUL) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Oulu Airport (OUL) last-minute?
Last-minute bookings from SFO to OUL are typically more expensive. To lock in the best prices, start looking for flights well in advance. That said, if you can play around with your travel dates, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a SFO to OUL flight and hotel package?
You can save money by booking a SFO to OUL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've selected your ideal accommodations and flights, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Oulu Airport (OUL)?
In most instances, you can modify or cancel your SFO to OUL flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need further details, head to our Customer Service portal.

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*Available to One Key members.