$75 Cheap Flights from Porto (OPO) to Oslo (OSL)

Popular airlines from Porto Airport (OPO) to Gardermoen Airport (OSL)

Cheap Flights from Porto to Oslo (OPO-OSL)

Prices were available within the past 7 days and start at $75 for one-way flights and $207 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Norwegian Air Shuttle
Norwegian Air Shuttle
Iberia
Iberia
Iberia
Norwegian Air Shuttle
Scandinavian Airlines
TAP Portugal
Lufthansa
Swiss International Air Lines

Alternative airports near Oslo

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

Flights from Porto (OPO) to Oslo (OSL)
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Gardermoen
Airlines serving
Air France, British Airways, Brussels Airlines, Finnair, Iberia, KLM, Lufthansa, Norwegian Air Shuttle, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal
Roundtrip price
$207
Distance
1556 mi
Average flight time
3 hours 30 mins

Porto to Oslo Flights

The cheapest times to fly from Porto to Oslo

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

 

The best time to book a flight from Porto to Oslo

Sunday is one of the best days to book for cheap flights from Porto to Oslo: 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 Porto to Oslo

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 Porto to Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $75 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 Porto to Oslo 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 Porto to Oslo 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 Dr. Francisco de Sa Carneiro Airport (OPO) to Gardermoen Airport (OSL) cost?
Score cheap return tickets from Dr. Francisco de Sa Carneiro Airport (OPO) to Gardermoen Airport (OSL) starting from $292. Book your seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Norwegian Air Shuttle flight leaving OPO on August 11 2025 and touching down at OSL. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from OPO to OSL?
The cheapest flights from OPO to OSL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from OPO to OSL?
Jet off from OPO to OSL with Norwegian Air Shuttle. This carrier currently offers the cheapest one-way fare on this route, starting from $76. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from OPO on September 3 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to Gardermoen Airport (OSL)?
There aren't any daily direct flights available from Dr. Francisco de Sa Carneiro Airport (OPO) to Gardermoen Airport (OSL). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from OPO to OSL?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Gardermoen Airport (OSL)?
To avoid potential delays on the Dr. Francisco de Sa Carneiro Airport (OPO) to Gardermoen Airport (OSL) route, fly before 3 PM. Departures after this hour 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 Dr. Francisco de Sa Carneiro Airport (OPO) to Gardermoen Airport (OSL) last-minute?
Booking your plane ticket from OPO to OSL just before your getaway is usually more expensive. However, if you're flexible with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book an OPO to OSL flight and hotel package?
Compared with arranging hotels and flights separately, booking an OPO to OSL flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Gardermoen Airport (OSL)?
In most instances, you can reschedule or cancel your OPO to OSL flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further information, visit our Customer Service portal.

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*Available to One Key members.