$931 Cheap Flights from Oulu (OUL) to San Francisco (SFO)

View $931 flight on Sun, Aug 31, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $931 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Oulu (OUL) to San Francisco (SFO)
Origin airport
Oulu
Destination airport
San Francisco Intl.
Distance
5140 mi

Oulu to San Francisco Flights

The cheapest times to fly from Oulu to San Francisco

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 Oulu to San Francisco are during the month of . You can find some of the cheapest flights from Oulu to San Francisco with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Oulu to San Francisco: 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 Oulu to San Francisco

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 Oulu to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $931 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 Oulu to San Francisco 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 Oulu to San Francisco 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 is a flight from Oulu Airport (OUL) to San Francisco Airport?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from OUL to SFO start from . Book ASAP to get the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from OUL to SFO?
Every airline has different terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from Oulu Airport (OUL) to San Francisco Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Oulu Airport (OUL) to San Francisco Intl. Airport (SFO) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Oulu Airport (OUL) to San Francisco Airport?
With around 5158 mi separating Oulu Airport and San Francisco Intl. Airport (SFO), your flight will be a long one. Pack wisely to make your time in the air comfortable. Simple things like warm clothing and some noise-canceling headphones can make all the difference.
Which airlines fly direct from OUL to San Francisco Intl. Airport (SFO)?
Unfortunately, there are no airlines that directly fly between Oulu Airport (OUL) and San Francisco Intl. Airport (SFO). You'll have to book a flight with one or more stops.
Are Oulu Airport to San Francisco Intl. Airport (SFO) flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so not always. While last-minute deals between Oulu Airport and San Francisco Intl. Airport (SFO) are possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some carriers publish their prices up to 12 months prior to the departure date. Expedia is continuously updating the biggest airfare bargains around, so check back often and be ready to pounce when the price is low.

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