$525 Cheap Flights from Phoenix (PHX) to Oulu (OUL)

View $525 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Oulu (OUL)

Cheap Flights from Phoenix to Oulu (PHX-OUL)

Prices were available within the past 7 days and start at $525 for one-way flights and $671 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Oct 20 - Mon, Oct 27
PHX
Phoenix
OUL
Oulu
$671 Roundtrip, found 6 days ago
$671
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Oct 20 from Phoenix to Oulu, returning Mon, Oct 27, priced at $671 found 6 days ago
British Airways
Mon, Oct 20 - Mon, Oct 27
PHX
Phoenix
OUL
Oulu
$802 Roundtrip, found 6 days ago
$802
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Oct 20 from Phoenix to Oulu, returning Mon, Oct 27, priced at $802 found 6 days ago
British Airways
Mon, Oct 20 - Mon, Oct 27
PHX
Phoenix
OUL
Oulu
$853 Roundtrip, found 6 days ago
$853
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Oct 20 from Phoenix to Oulu, returning Mon, Oct 27, priced at $853 found 6 days ago
British Airways
Mon, Oct 20 - Mon, Oct 27
PHX
Phoenix
OUL
Oulu
$858 Roundtrip, found 6 days ago
$858
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Oct 20 from Phoenix to Oulu, returning Mon, Oct 27, priced at $858 found 6 days ago
British Airways
Mon, Oct 20 - Mon, Oct 27
PHX
Phoenix
OUL
Oulu
$872 Roundtrip, found 6 days ago
$872
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Oct 20 from Phoenix to Oulu, returning Mon, Oct 27, priced at $872 found 6 days ago
British Airways
Mon, Oct 20 - Mon, Oct 27
PHX
Phoenix
OUL
Oulu
$903 Roundtrip, found 6 days ago
$903
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Oct 20 from Phoenix to Oulu, returning Mon, Oct 27, priced at $903 found 6 days ago
British Airways
Mon, Oct 20 - Mon, Oct 27
PHX
Phoenix
OUL
Oulu
$983 Roundtrip, found 6 days ago
$983
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Oct 20 from Phoenix to Oulu, returning Mon, Oct 27, priced at $983 found 6 days ago
British Airways
Mon, Oct 20 - Mon, Oct 27
PHX
Phoenix
OUL
Oulu
$988 Roundtrip, found 6 days ago
$988
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Oct 20 from Phoenix to Oulu, returning Mon, Oct 27, priced at $988 found 6 days ago
Iberia
Mon, Oct 20 - Mon, Oct 27
PHX
Phoenix
OUL
Oulu
$1,219 Roundtrip, found 6 days ago
$1,219
Roundtrip
found 6 days ago
Select Iberia flight, departing Mon, Oct 20 from Phoenix to Oulu, returning Mon, Oct 27, priced at $1,219 found 6 days ago
Finnair
Mon, Oct 20 - Mon, Oct 27
PHX
Phoenix
OUL
Oulu
$1,224 Roundtrip, found 6 days ago
$1,224
Roundtrip
found 6 days ago
Select Finnair flight, departing Mon, Oct 20 from Phoenix to Oulu, returning Mon, Oct 27, priced at $1,224 found 6 days ago

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Oulu Airport (OUL) cost?
Grab a cheap one-way flight from $525 or cheap return flight from $671 from Sky Harbor Intl. Airport (PHX) to Oulu Airport (OUL) 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 Sky Harbor Intl. Airport (PHX) to Oulu Airport (OUL)?
Flying in October is a great way to save, as it's the cheapest month for flights between PHX and OUL. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Oulu Airport (OUL)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PHX to OUL flight.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Oulu Airport (OUL)?
You'll need to catch a flight with a layover when traveling from Sky Harbor Intl. Airport (PHX) to Oulu Airport (OUL). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from PHX to OUL?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on various factors, such as 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 Sky Harbor Intl. Airport (PHX) to Oulu Airport (OUL)?
To reach Oulu Airport (OUL) without delays, pick a flight that leaves from Sky Harbor Intl. Airport (PHX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Sky Harbor Intl. Airport (PHX) to Oulu Airport (OUL) last-minute?
Booking your plane ticket from PHX to OUL right before your trip is typically more expensive. However, if you're flexible with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a PHX to OUL flight and hotel package?
Securing a PHX to OUL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Oulu Airport (OUL)?
If you booked your PHX to OUL flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Oulu
Airlines serving
British Airways, Finnair
Roundtrip price
$670
Distance
5263 mi

Book with confidence

Book with confidence

Phoenix to Oulu Flights

The cheapest times to fly from Phoenix 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 Phoenix to Oulu are during the month of October. You can find some of the cheapest flights from Phoenix to Oulu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Oulu

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix to Oulu in 2025. You can also book with separate airlines for your outbound and return journeys, from $525 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 Phoenix 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 Phoenix 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.

 

Phoenix to Oulu Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.