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

Compare Oslo Gardermoen to Porto flight deals

Find the cheapest month or even day of the year to fly to Porto

Book the best Porto fare with no extra fees

Flight deals from Oslo Gardermoen to Porto

Looking for a cheap last-minute deal or the best return flight from Oslo Gardermoen to Porto? Find the lowest prices on one-way and return tickets right here.

Porto.$250 per passenger.Departing Mon, 1 Sep, returning Fri, 5 Sep.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Oslo Gardermoen on Mon, 1 Sep, arriving in Porto.Inbound indirect flight with easyJet, departs from Porto on Fri, 5 Sep, arriving in Oslo Gardermoen.Price includes taxes and charges.From $250, select.

Porto.$252 per passenger.Departing Mon, 6 Oct, returning Fri, 10 Oct.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Oslo Gardermoen on Mon, 6 Oct, arriving in Porto.Inbound indirect flight with easyJet, departs from Porto on Fri, 10 Oct, arriving in Oslo Gardermoen.Price includes taxes and charges.From $252, select.

Porto.$266 per passenger.Departing Wed, 6 Aug, returning Fri, 22 Aug.Return flight with Norwegian.Outbound direct flight with Norwegian departs from Oslo Gardermoen on Wed, 6 Aug, arriving in Porto.Inbound direct flight with Norwegian departs from Porto on Fri, 22 Aug, arriving in Oslo Gardermoen.Price includes taxes and charges.From $266, select.

Porto.$290 per passenger.Departing Sat, 6 Dec, returning Wed, 10 Dec.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Oslo Gardermoen on Sat, 6 Dec, arriving in Porto.Inbound indirect flight with TAP Air Portugal, departs from Porto on Wed, 10 Dec, arriving in Oslo Gardermoen.Price includes taxes and charges.From $290, select.

Porto.$293 per passenger.Departing Mon, 6 Apr, returning Fri, 17 Apr.Return flight with Norwegian.Outbound direct flight with Norwegian departs from Oslo Gardermoen on Mon, 6 Apr, arriving in Porto.Inbound direct flight with Norwegian departs from Porto on Fri, 17 Apr, arriving in Oslo Gardermoen.Price includes taxes and charges.From $293, select.

Porto.$295 per passenger.Departing Fri, 22 Aug, returning Wed, 10 Sep.Return flight with Norwegian.Outbound direct flight with Norwegian departs from Oslo Gardermoen on Fri, 22 Aug, arriving in Porto.Inbound direct flight with Norwegian departs from Porto on Wed, 10 Sep, arriving in Oslo Gardermoen.Price includes taxes and charges.From $295, select.

Porto.$305 per passenger.Departing Thu, 13 Nov, returning Sat, 22 Nov.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Oslo Gardermoen on Thu, 13 Nov, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Sat, 22 Nov, arriving in Oslo Gardermoen.Price includes taxes and charges.From $305, select.

Porto.$309 per passenger.Departing Mon, 29 Sep, returning Fri, 3 Oct.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Oslo Gardermoen on Mon, 29 Sep, arriving in Porto.Inbound indirect flight with easyJet, departs from Porto on Fri, 3 Oct, arriving in Oslo Gardermoen.Price includes taxes and charges.From $309, select.

The cheapest month to fly from Oslo Gardermoen Airport to Porto Airport

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the Oslo Gardermoen Airport to Porto Airport flight prices forecast over the next 12 months.

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Cheapest month:September

Most expensive month:July

Direct flights from Oslo Gardermoen to Porto

Oslo Gardermoen to Porto: Alternative routes

Compare routes from Oslo Gardermoen 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	$250
Cheapest month to fly	September
Average flight time	3 hrs, 41 mins
Most popular airline	Norwegian
Average flights per week	4

Finding cheap flights from Oslo Gardermoen to Porto: Frequently asked questions

How much are return flights from Oslo Gardermoen to Porto?

The best price we found for a return flight from Oslo Gardermoen to Porto is $250. 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.

How long does it take to fly from Oslo Gardermoen to Porto?

3 hours and 41 minutes is the average flight time from Oslo Gardermoen to Porto.

Which airlines fly direct from Oslo Gardermoen to Porto?

Norwegian and Norwegian Air Sweden fly direct from Oslo Gardermoen to Porto.

How many flights are there a week from Oslo Gardermoen to Porto?

As of June 2025, there are 4 flights per week flying from Oslo Gardermoen to Porto.

When is the cheapest time to fly from Oslo Gardermoen to Porto?

The cheapest month to fly from Oslo Gardermoen to Porto is usually June 2025.

Which upcoming date is cheapest to fly from Oslo Gardermoen Airport to Porto Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Oslo Gardermoen Airport to Porto Airport on Monday, 1 September 2025.

Can I get a direct flight from Oslo Gardermoen Airport to Porto Airport?

Yes – the average flight time is 3 hours and 41 minutes.

How can I find the best flight deal to Porto?

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.

When is the best time to book flights to Porto?

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.

Which is the cheapest airline to fly from Oslo Gardermoen Airport to Porto with?

Currently, easyJet and Norwegian offer the cheapest flight tickets to Porto.

Travelling from Oslo Airport Gardermoen (OSL) to Porto Airport (OPO): what you need to know

Hop on a direct flight from Oslo Airport Gardermoen to Porto Airport and you'll be in the air for an average of 3 hours 40 minutes.
The timezone in Porto is UTC+0, which is one hour behind Oslo.
Arrive at the airport on time so you don't miss your OSL to OPO flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.
Travelling during a peak time like June? Public holidays and other high seasons can mean longer lines and delays at security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before a domestic departure.
Flying into Porto (and then discovering more of Portugal!) is a snap with Norwegian Air Shuttle. This popular carrier has direct flights from Oslo Airport Gardermoen to Porto Airport.
The airline with the highest booking volume on this route is Norwegian Air Shuttle.
We make it simple to book a flight with a stopover. To see your options for tickets from Oslo Airport Gardermoen to Porto Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to tour your chosen city. Stopovers between OSL and OPO include:
- Bordeaux Airport
- Charles de Gaulle Airport
- Dublin Airport

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

The cheapest price we've seen for a one-way Oslo Airport Gardermoen to Porto Airport flight is $88. A round-trip ticket is currently $250. Depending on the availability and when you book, these fares could change.
Get cheap tickets from OSL to OPO by booking one month ahead. Based on our research, that's the sweet spot for finding the biggest deals.
The cheapest month for flights from Oslo Airport Gardermoen to Porto Airport is December. Use the 'Whole month' tool to see the lowest airfares if you have a flexible travel schedule.
Cut down on the time spent looking for cheap flights from OSL to OPO by creating a Price Alert. We'll send you an email or notification through the app when a new low fare is offered.
Find the perfect flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Oslo Airport Gardermoen to Porto Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Oslo Airport Gardermoen (OSL)

71.98% of flights taking off from Oslo Airport Gardermoen touch down at their destination on schedule.
Oslo Airport Gardermoen is about 48 kilometres from central Oslo. If you're driving, ride-sharing or catching a cab from the centre, it'll take 40 minutes or so to get there, depending on the traffic.
You can expect a trip time of around 30 minutes when using public transport.
Searching for a handy hotel close to OSL? If you're catching an early flight from Oslo Airport Gardermoen to Porto Airport, these stays will put you moments from your check-in counter:

Arriving at Porto Airport (OPO)

If you're getting in on a late Oslo Airport Gardermoen to Porto Airport flight, nothing beats the convenience of being near the terminal. Collect your bags from the carousel and then be showered and resting not long after at one of these options near OPO:
Begin your adventure by picking up a Porto Airport rental car. Grab a set of wheels from Klass Wagen, Goldcar or Drive & Go and explore beyond Porto's usual tourist stops.
Reserving your vehicle from Porto Airport about three weeks ahead can help you secure the lowest rate.

Getting from Porto Airport (OPO) to central Porto

From Porto Airport, Porto is approximately 16 kilometres away. It takes around 20 minutes to reach the centre driving.
It typically takes 50 minutes when travelling by public transport.

When to fly to Porto Airport (OPO)

It's time to pick your travel dates for your flight from Oslo Airport Gardermoen to Porto Airport. August is the most popular month to head to Porto. If you prefer a more relaxed vibe, go in January.
Book your flight from Oslo Airport Gardermoen to Porto Airport for August if you want to go to Porto during its warmest month. You can expect temperatures of between 14ºC (57ºF) and 32ºC (90ºF).
If you'd rather travel in cooler conditions, look for a cheap ticket from OSL to OPO in January. Temperatures average between 3ºC (37ºF) and 14ºC (57ºF) then.

Explore more of Portugal

Porto has loads to offer, but there are so many other corners of Portugal waiting to be discovered. About 274 kilometres south of Porto, a visit to Lisbon will keep you on the move. Check out popular attractions like Torre de Belem Garden, Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle.
If you're looking to explore another major stop in Portugal, consider Amadora, roughly 274 kilometres south of Porto. Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge are key reasons to visit.