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Cheap flights from Graz to Porto

Compare Graz to Porto flight deals

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

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Flight deals from Graz to Porto

Looking for a cheap last-minute deal or the best return flight from Graz to Porto? Find the lowest prices on one-way and return tickets right here.
Porto.$289 per passenger.Departing Sun, 1 Mar.One-way flight with Eurowings.Outbound indirect flight with Eurowings, departs from Graz on Sun, 1 Mar, arriving in Porto.Price includes taxes and charges.From $289, select.
Porto.$295 per passenger.Departing Thu, 23 Apr.One-way flight with Eurowings.Outbound indirect flight with Eurowings, departs from Graz on Thu, 23 Apr, arriving in Porto.Price includes taxes and charges.From $295, select.
Porto.$354 per passenger.Departing Fri, 15 May.One-way flight with SWISS.Outbound indirect flight with SWISS, departs from Graz on Fri, 15 May, arriving in Porto.Price includes taxes and charges.From $354, select.
Porto.$371 per passenger.Departing Sun, 22 Feb.One-way flight with Eurowings.Outbound indirect flight with Eurowings, departs from Graz on Sun, 22 Feb, arriving in Porto.Price includes taxes and charges.From $371, select.
Porto.$412 per passenger.Departing Wed, 9 Sep.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Graz on Wed, 9 Sep, arriving in Porto.Price includes taxes and charges.From $412, select.
Porto.$418 per passenger.Departing Sun, 16 Aug.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Graz on Sun, 16 Aug, arriving in Porto.Price includes taxes and charges.From $418, select.
Porto.$452 per passenger.Departing Wed, 3 Jun.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Graz on Wed, 3 Jun, arriving in Porto.Price includes taxes and charges.From $452, select.

Find the cheapest month to fly from Graz to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Graz to Porto flights are currently cheapest in March.
Feb
from $371
Mar
from $289
Apr
from $296
May
from $355
Jun
from $452
Jul
Find prices
Aug
from $418
Sep
from $412
Oct
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Nov
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Dec
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Jan
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Graz to Porto: Alternative routes

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

Porto

12km from central Porto
ClosestCheapest
from $289
Search flights

Vila Real

76km from central Porto
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Viseu G. Lobato

81km from central Porto
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Graz to Porto: Flight information

The things to know before you go.
Cheapest flight found$289
Cheapest month to flyMarch

Check out these Porto hotels

Ready to plan your stay? Other travellers rate these Porto hotels for cleanliness, service and location.
Hotel 3K Porto Aeroporto
1.66 km from Porto
$78
Per night
B&B Hotel Porto Expo Aeroporto
2.05 km from Porto
$75
Per night
AP Aeroporto Porto
1.26 km from Porto
$99
Per night
Hotel 3K Porto Aeroporto
1.66 km from Porto
$78
Per night
B&B Hotel Porto Expo Aeroporto
2.05 km from Porto
$75
Per night
AP Aeroporto Porto
1.26 km from Porto
$99
Per night
Explore top-rated hotels

Finding cheap flights from Graz to Porto: Frequently asked questions

The best price we found for a return flight from Graz to Porto is $388. 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.
Currently, there are no airlines that fly direct from Graz to Porto. But we found flights with one or more stops from $388.
As of February 2026, there are no flights flying from Graz to Porto.
The cheapest month to fly from Graz to Porto is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Graz Airport to Porto Airport on Thursday, 16 April 2026.
No airlines currently offer direct flights between Graz Airport and Porto Airport. Most routes have one or more stops.
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.
Currently, Lufthansa offers the cheapest flight tickets to Porto.

Flying from Graz Airport (GRZ) to Porto Airport (OPO): what you need to know

  • Porto's timezone is UTC+0, making Porto one hour behind Graz.

  • To ensure you catch your GRZ to OPO flight, leave plenty of time to check in and drop off your luggage. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • During popular months such as June, it's best to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead of international flights when you fly during a high season in general.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Graz Airport to Porto Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Popular stopovers between GRZ and OPO include:

    • Frankfurt Airport

    • Franz Josef Strauss Airport

    • Vienna International Airport

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

  • The cheapest price we've seen for a one-way Graz Airport to Porto Airport flight is $289. A round-trip ticket is currently $388. Depending on the availability when you book, these fares can change.

  • To find cheap tickets from GRZ to OPO, book as early as you can. Airlines typically offer lower prices when flights are first released.

  • Finding cheap flights from Graz Airport to Porto Airport is easy if you can be flexible with your trip dates. Use the 'Whole month' function to see the best prices across every month and snap up a great deal.

  • Stay on top of deals for cheap flights from GRZ to OPO by creating a Price Alert. We'll send you an email or notification through the app when a lower fare pops up.

  • Find the perfect flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Graz Airport to Porto Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Graz Airport (GRZ)

  • 85.47% of flights departing from Graz Airport touch down at their destination according to schedule. Given its solid on-time performance, delays are unlikely when flying out of GRZ.

  • Central Graz to Graz Airport is around 14 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Expect a trip time of roughly 45 minutes when using public transport.

  • Get your break off to a hassle-free start by staying near GRZ. Whether you're catching an early flight from Graz Airport to Porto Airport or just don't want to be rushed, these hotels have you covered:

Arriving at Porto Airport (OPO)

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

  • Explore without limits with a Porto Airport rental car. Pick up your wheels from Klass Wagen, Goldcar or Drive & Go and venture far and wide through Porto and beyond.

  • Secure the lowest price by booking your ride from Porto Airport about three weeks before your travel date.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport to central Porto has a drive time of about 20 minutes. It's approximately 16 kilometres away.

  • It takes around 50 minutes if you're travelling on public transport.

When to fly to Porto Airport (OPO)

  • August is the busiest month for flights from Graz Airport to Porto Airport. For a quieter experience, travel to Porto in January.

  • The warmest month in Porto is August, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your flights from Graz Airport to Porto Airport in this month if this is the type of weather you like.

  • January has average temperatures of between 3ºC (37ºF) and 14ºC (57ºF). Look for cheap tickets from GRZ to OPO around that time if you like cooler conditions.

Explore more of Portugal

  • You've seen Porto, now it's time to explore more of Portugal. Travel about 274 kilometres south to Lisbon to check off its popular sights. From Torre de Belem Garden to Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle, you'll have a packed itinerary ahead.

  • Around 274 kilometres south of Porto, Amadora is another favourite stop in Portugal. Experience major highlights starting with Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

Plan the rest of your trip from Graz to Porto

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