$1,026 Cheap Flights from Oulu (OUL) to San Diego (SAN)

View $1,026 flight on Tue, Mar 17, 2026Opens in a new window

Popular airlines from Oulu (OUL) to San Diego Intl. Airport (SAN)

Cheap Flights from Oulu to San Diego (OUL-SAN)

Prices were available within the past 7 days and start at $1,026 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Oulu (OUL) to San Diego (SAN)
Origin airport
Oulu
Destination airport
San Diego Intl.
Distance
5393 mi

Oulu to San Diego Flights

The cheapest times to fly from Oulu to San Diego

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

 

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

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

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 Diego in 2026. You can also book with separate airlines for your outbound and return journeys, from $1,026 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 Diego 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 Diego 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 Oulu Airport (OUL) to San Diego Intl. Airport (SAN) cost?
Get a cheap one-way flight from $1,026 or cheap return flight from Oulu Airport (OUL) to San Diego Intl. Airport (SAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Oulu Airport (OUL) to San Diego Intl. Airport (SAN)?
The cheapest month to fly from OUL to SAN is , when demand is low. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Oulu Airport (OUL) to San Diego Intl. Airport (SAN)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from OUL to SAN. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Oulu Airport (OUL) to San Diego Intl. Airport (SAN)?
You'll need to book a flight with a layover if you're traveling from Oulu Airport (OUL) to San Diego Intl. Airport (SAN). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from OUL to SAN?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Oulu Airport (OUL) to San Diego Intl. Airport (SAN)?
To avoid potential delays on the Oulu Airport (OUL) to San Diego Intl. Airport (SAN) route, travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Oulu Airport (OUL) to San Diego Intl. Airport (SAN) last-minute?
Booking your flight from OUL to SAN shortly before your trip is usually more expensive. However, if there's some wiggle room with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book an OUL to SAN flight and hotel package?
Compared with arranging flights and hotels separately, booking an OUL to SAN flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place takes the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Oulu Airport (OUL) to San Diego Intl. Airport (SAN)?
In most instances, you can cancel or reschedule your OUL to SAN flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.