$481 Cheap Flights from Philadelphia (PHL) to Oulu (OUL)

View $481 flight on Sun, Oct 25, 2026Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Oulu (OUL)

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Cheap Flights from Philadelphia to Oulu (PHL-OUL)

Prices were available within the past 7 days and start at $481 for one-way flights and $665 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sun, Apr 12 - Tue, Apr 28
PHL
Philadelphia
OUL
Oulu
$665 Roundtrip, found 7 hours ago
$665
Roundtrip
found 7 hours ago
Select British Airways flight, departing Sun, Apr 12 from Philadelphia to Oulu, returning Tue, Apr 28, priced at $665 found 7 hours ago
British Airways
Mon, Mar 2 - Wed, Mar 18
PHL
Philadelphia
OUL
Oulu
$672 Roundtrip, found 7 hours ago
$672
Roundtrip
found 7 hours ago
Select British Airways flight, departing Mon, Mar 2 from Philadelphia to Oulu, returning Wed, Mar 18, priced at $672 found 7 hours ago
British Airways
Mon, Mar 23 - Wed, Apr 8
PHL
Philadelphia
OUL
Oulu
$672 Roundtrip, found 7 hours ago
$672
Roundtrip
found 7 hours ago
Select British Airways flight, departing Mon, Mar 23 from Philadelphia to Oulu, returning Wed, Apr 8, priced at $672 found 7 hours ago
British Airways
Sun, Mar 22 - Wed, Apr 8
PHL
Philadelphia
OUL
Oulu
$680 Roundtrip, found 7 hours ago
$680
Roundtrip
found 7 hours ago
Select British Airways flight, departing Sun, Mar 22 from Philadelphia to Oulu, returning Wed, Apr 8, priced at $680 found 7 hours ago
British Airways
Sun, Apr 19 - Thu, May 7
PHL
Philadelphia
OUL
Oulu
$686 Roundtrip, found 7 hours ago
$686
Roundtrip
found 7 hours ago
Select British Airways flight, departing Sun, Apr 19 from Philadelphia to Oulu, returning Thu, May 7, priced at $686 found 7 hours ago
American Airlines
Fri, Oct 23 - Fri, Oct 30
PHL
Philadelphia
OUL
Oulu
$687 Roundtrip, found 4 days ago
$687
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Oct 23 from Philadelphia to Oulu, returning Fri, Oct 30, priced at $687 found 4 days ago
British Airways
Sun, Apr 26 - Tue, May 12
PHL
Philadelphia
OUL
Oulu
$690 Roundtrip, found 7 hours ago
$690
Roundtrip
found 7 hours ago
Select British Airways flight, departing Sun, Apr 26 from Philadelphia to Oulu, returning Tue, May 12, priced at $690 found 7 hours ago
British Airways
Mon, Mar 30 - Fri, Apr 17
PHL
Philadelphia
OUL
Oulu
$690 Roundtrip, found 7 hours ago
$690
Roundtrip
found 7 hours ago
Select British Airways flight, departing Mon, Mar 30 from Philadelphia to Oulu, returning Fri, Apr 17, priced at $690 found 7 hours ago
British Airways
Tue, Mar 17 - Tue, Mar 31
PHL
Philadelphia
OUL
Oulu
$692 Roundtrip, found 7 hours ago
$692
Roundtrip
found 7 hours ago
Select British Airways flight, departing Tue, Mar 17 from Philadelphia to Oulu, returning Tue, Mar 31, priced at $692 found 7 hours ago
Finnair
Wed, Dec 31 - Tue, Jan 13
PHL
Philadelphia
OUL
Oulu
$843 Roundtrip, found 4 days ago
$843
Roundtrip
found 4 days ago
Select Finnair flight, departing Wed, Dec 31 from Philadelphia to Oulu, returning Tue, Jan 13, priced at $843 found 4 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 $1,475
OUL
Oulu
CheapestClosest
Average driving time to city center16 min
Flights from $1,475
Flights from Philadelphia (PHL) to Oulu (OUL)
Origin airport
Philadelphia Intl.
Destination airport
Oulu
Airlines serving
British Airways, Finnair
Roundtrip price
$665
Distance
4049 mi

Philadelphia to Oulu Flights

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

 

The best time to book a flight from Philadelphia to Oulu

Sunday is one of the best days to book for cheap flights from Philadelphia 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 Philadelphia 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 Philadelphia to Oulu in 2026. You can also book with separate airlines for your outbound and return journeys, from $481 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 Philadelphia 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 Philadelphia 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 Philadelphia Intl. Airport (PHL) to Oulu Airport (OUL) cost?
Secure a cheap one-way flight from $481 or cheap return flight from $665 from Philadelphia Intl. Airport (PHL) 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 Philadelphia Intl. Airport (PHL) to Oulu Airport (OUL)?
The cheapest month to fly from PHL to OUL is April, when there's less demand. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Oulu Airport (OUL)?
To find the cheapest airline flying from PHL to OUL, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Philadelphia Intl. Airport (PHL) to Oulu Airport (OUL)?
You'll need to book a flight with a layover when traveling from Philadelphia Intl. Airport (PHL) to Oulu Airport (OUL). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from PHL to OUL?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, season 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 Philadelphia Intl. Airport (PHL) to Oulu Airport (OUL)?
To reach Oulu Airport (OUL) on time, pick a flight that takes off from Philadelphia Intl. Airport (PHL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Philadelphia Intl. Airport (PHL) to Oulu Airport (OUL) last-minute?
Holding off until right before your break to book a flight from PHL to OUL generally means paying more. While it's possible to find some last-minute offers, there's no guarantee. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a PHL to OUL flight and hotel package?
Opting for a PHL to OUL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Oulu Airport (OUL)?
Generally, it's possible to cancel or reschedule your PHL to OUL flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.