Cheap Flights from Oslo to Porto

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Flight deals from Oslo to Porto Airport

Looking for a cheap last-minute deal or the best return flight from Oslo to Porto Airport? If you want to travel next month, return fares start from $192. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Oslo to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Oslo to Porto flights are currently cheapest in April.

Direct flights from Oslo to Porto

Oslo to Porto: Alternative routes

Compare routes from Oslo to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

Oslo to Porto: Flight information

The things to know before you go.
Cheapest flight found$178
Cheapest month to flyMay
Average flight time3 hrs, 45 mins
Most popular airlineNorwegian
Average flights per week3

Finding cheap flights from Oslo to Porto: Frequently asked questions

The best price we found for a return flight from Oslo to Porto is $178. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 45 minutes is the average flight time from Oslo to Porto.
Norwegian flies direct from Oslo to Porto.
As of March 2026, there are 9 flights per week flying from Oslo to Porto.
The cheapest month to fly from Oslo to Porto is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Oslo to Porto Airport on Wednesday, 27 May 2026.
Yes – the average flight time is 3 hours and 45 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Porto is Norwegian .

Flying from Oslo to Porto Airport (OPO): What you need to know

  • There are two main airports you can start your journey from in Oslo. Explore your options leaving from Oslo Airport Gardermoen (OSL) or Torp Sandefjord Airport (TRF) when planning your flight from Oslo to Porto Airport (OPO).

  • Around 3 hours 40 minutes is how long you can expect to be in the air on a direct Oslo to Porto Airport flight.

  • Porto Airport is located in Porto. The city is in the UTC+0 timezone and is one hour behind Oslo.

  • The most popular route is from Oslo Airport Gardermoen (OSL) to Porto Airport (OPO). Choose from 2 direct services every week. Norwegian Air Shuttle operates a 3:10pm departure between OSL and OPO.

  • Arrive at the airport on time so you don't miss your flight from Oslo to OPO. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • With more travellers during peak seasons, you'll want to get to your terminal even earlier. Two hours for domestic flights and up to four for international trips will allow for additional wait times.

Airports in Oslo

Oslo Airport Gardermoen (OSL)

  • Oslo Airport Gardermoen (OSL) makes it easy to travel directly to your destination. Nonstop flights from Oslo to Porto Airport (OPO) operate out of this terminal.

  • You can get away on a direct flight from Oslo to Porto Airport with Norwegian Air Shuttle. This well-known airline operates services from OSL.

  • The majority of passengers choose to book seats with Norwegian Air Shuttle from OSL to OPO.

  • A stopover is the perfect opportunity to take a travel break and perhaps even explore a different city. When searching for cheap flights from Oslo to OPO departing from Oslo Airport Gardermoen (OSL), uncheck the 'Direct flights only' box to discover where you can stop along the way. Top options include:

    • Charles de Gaulle Airport (CDG)

    • Dublin Airport (DUB)

    • EuroAirport Swiss (BSL)

  • OSL is around 48 kilometres from central Oslo. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 40 minutes or so to get there, depending on the traffic. If you're using public transport, expect the trip time to be around 30 minutes.

  • Searching for a convenient hotel close to Oslo Airport Gardermoen? If you're catching an early flight from Oslo to Porto Airport, these accommodation options will put you moments from your departure lounge:

  • When it comes to the on-time performance of Oslo Airport Gardermoen, 71.98% of flights stick to their scheduled arrival time.

Torp Sandefjord Airport (TRF)

  • On public transport, you can travel from central Oslo to TRF in about 2 hours 20 minutes. The terminal is roughly 121 kilometres away, and making the trip by car takes approximately 1 hour 30 minutes.

  • Taking off bright and early? You might like to check in to one of these accommodation options near Torp Sandefjord Airport the day before your Oslo to OPO flight:

  • Torp Sandefjord Airport has an on-time performance of 66.77%. This figure sheds light on how often flights departing from this airport arrive on time.

About Porto Airport (OPO)

  • The last thing you want is a long journey to your hotel if you're getting in late on a flight from Oslo to Porto Airport. Stay at one of these accommodation options near OPO instead:

  • Get your adventure underway by picking up a Porto Airport rental car. Grab your wheels from Klass Wagen, Goldcar or Drive & Go to explore Porto and beyond.

  • Booking your vehicle around three weeks in advance of your Oslo to Porto Airport flight can help you get the lowest rate.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport is about 11 kilometres from central Porto. How long it'll take to get to the centre by cab or car hire will depend on the time of day. Do a little research beforehand.

  • It'll take around 50 minutes when travelling by public transport.

How to find the cheapest flights from Oslo to Porto Airport (OPO)

  • $87 is currently the lowest price for a one-way ticket from Oslo to Porto Airport. Return flights start at $178. These fares may change based on demand.

  • Get cheap flights from Oslo to OPO by booking seven months ahead. According to our research, that's the ideal time frame for finding the biggest deals.

  • December is when you're most likely to land a good deal on an Oslo to Porto Airport ticket. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Locking in a cheap flight ticket from Oslo to OPO is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

  • Find an affordable flight from Oslo to Porto Airport by using filters. Choose your preferred times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Oslo to Porto Airport (OPO)

  • August is the busiest month for flights from Oslo to Porto Airport (OPO). Plan your visit to Porto in February if you prefer a quieter experience.

  • The warmest month in Porto is August, with temperatures ranging between 14ºC and 32ºC. Lock in your Oslo to OPO flight ticket then if you enjoy this type of weather.

  • January has temperatures of between 3ºC and 14ºC. Look for cheap tickets from Oslo to Porto Airport around that time if you want to travel when it's cooler.

More about Porto

  • When it comes to looking for somewhere to rest your head, you'll find the best stays in Porto right here. Explore these hotels once you've booked your flight from Oslo to Porto Airport:

  • All great adventures should include some sightseeing. Ribeira District, Rio Douro and Livraria Lello are must-do's during your Porto adventure.

Explore more of Portugal

  • You've seen Porto, now it's time to explore more of Portugal. Journey around 290 kilometres south to Lisbon to tick off its leading attractions. From belém to Pasteis de Belém and Real Mosteiro de Santa Maria de Belém, there's plenty to keep you on the go.

  • Amadora is another favourite destination in Portugal and is around 274 kilometres south of Porto. No journey is complete without a visit to Roman Villa, Park Fonte das Avencas and Park Fantasia.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.