Cheap flights from Porto (OPO) to Oslo Gardermoen (OSL)
Find cheap flights from Porto to Oslo Gardermoen with Cheapflights
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from Porto to Oslo Gardermoen
Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Oslo Gardermoen (OSL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | June |
Cheapest in | April |
Average price | $311 |
Good round-trip deal | $288 or less |
Good one-way deal | $73 or less |
- Most accurate provider: When it comes to deals on Porto-Oslo Gardermoen Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-Oslo Gardermoen Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-Oslo Gardermoen Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Porto-Oslo Gardermoen Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-Oslo Gardermoen Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Porto to Oslo Gardermoen
Have a flexible travel schedule? Discover the best time to fly to Oslo Gardermoen from Porto with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Porto to Oslo Gardermoen Airport
How far ahead should I book a flight from Porto to Oslo Gardermoen Airport?
The price you pay for your flight from Porto to Oslo Gardermoen Airport may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Porto to Oslo Gardermoen Airport?
Currently, April is the cheapest month in which you can book a flight from Porto to Oslo Gardermoen Airport (average of $261). Flying from Porto to Oslo Gardermoen Airport in June is currently the most expensive (average of $478). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from OPO to OSL?
When flying from Porto to Oslo Gardermoen Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Porto to Oslo delayed?
About 44% of weekly flights between Porto and Oslo have experienced delays in the past year, with the average delay time being 91 minutes.
What is the most punctual flight time for Porto to Oslo flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Porto to Oslo flights?
Over the last year, Norwegian have had the lowest number of delays on this route, with just 41% of flights being delayed.