Cheap Flights from Belfast to Porto

Compare Belfast 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 Belfast to Porto

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

Find the cheapest month to fly from Belfast to Porto

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

Direct flights from Belfast to Porto

Belfast to Porto: Alternative routes

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

Belfast to Porto: Flight information

The things to know before you go.
Cheapest flight foundRs9,571
Cheapest month to flyOctober
Average flight time2 hrs, 30 mins
Most popular airlineRyanair UK Ltd.
Average flights per week4

Finding cheap flights from Belfast to Porto: Frequently asked questions

The best price we found for a return flight from Belfast to Porto is Rs20,314. 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.
2 hours and 30 minutes is the average flight time from Belfast to Porto.
Ryanair UK Ltd. flies direct from Belfast to Porto.
As of September 2025, there are 2 flights per week flying from Belfast to Porto.
The cheapest month to fly from Belfast to Porto is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Porto Airport on Wednesday, 1 October 2025.
Yes – the average flight time is 2 hours and 30 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 Ryanair .

Travelling from Belfast to Porto Airport (OPO): What you need to know

  • Belfast has two main airports where you can start your adventure. Check out your options for reserving a flight from Belfast to Porto Airport (OPO) heading out from Belfast International Airport (BFS) or George Best Belfast City Airport (BHD).

  • The average duration of a direct Belfast to Porto Airport flight is 2 hours 30 minutes.

  • Belfast and Porto (where Porto Airport is located) share the UTC+0 timezone. That means you won't need to adjust your watch once you land.

  • The busiest route is from Belfast International Airport (BFS) to Porto Airport (OPO). You can choose from 2 direct services each week. Ryanair UK operates a 10:35am departure between BFS and OPO.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Show up at the airport on time to catch your flight from Belfast to OPO.

  • With more travellers during peak seasons, aim to get to your terminal even earlier. Two hours for domestic flights and up to four for international trips will help you stay ahead of the crowds.

Airports in Belfast

Belfast International Airport (BFS)

  • Take the express route from Belfast International Airport (BFS). Nonstop flights from Belfast to Porto Airport (OPO) can be booked from here.

  • You can lock in a direct flight from Belfast to Porto Airport with Ryanair UK. This leading airline offers services from BFS.

  • Ryanair UK is the most frequently booked airline offering flights from BFS to OPO.

  • Travelling from central Belfast to BFS takes about 2 hours by public transport. If you ride-share, drive or get a cab, you'll cover the 32 kilometres in 30 minutes or so, depending on traffic conditions.

  • Want a hassle-free start to your trip? Stay near Belfast International Airport. Whether you're catching an early flight from Belfast to Porto Airport or prefer not to feel hurried, these hotels are just what you're after:

  • Of all flights leaving Belfast International Airport, 67.55% land on time at their destination.

George Best Belfast City Airport (BHD)

  • Cross another spot off your travel list or just take a moment to stretch your legs with a stopover. If you'd like to split up your flight from Belfast to Porto Airport, check out these options when leaving from George Best Belfast City Airport:

    • Frankfurt Airport (FRA)

    • London Gatwick Airport (LGW)

    • Bristol Airport (BRS)

  • On public transport, you can travel from central Belfast to BHD in around 20 minutes. The airport is roughly 8 kilometres away, and getting there by car will take approximately 10 minutes.

  • Want to enjoy an extra night away before boarding your Belfast to OPO flight? Check in to a hotel near George Best Belfast City Airport before your trip officially begins. These stays are calling your name:

  • George Best Belfast City Airport has an on-time performance of 68.3%. This figure sheds light on how often flights that leave from this airport make it to their destination on schedule.

About Porto Airport (OPO)

  • Consider staying in a hotel close to OPO if you're catching a late flight from Belfast to Porto Airport. Pick one of these accommodation options and avoid the hassle of a long transfer:

  • Follow your own route with a Porto Airport rental car. Book your wheels from Klass Wagen, Goldcar or Drive & Go and venture far and wide through Porto and beyond.

  • To lock in the lowest price, book your ride around three weeks ahead of your Belfast to Porto Airport flight.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport to central Porto is about 11 kilometres. If you're getting a cab or renting a car, plan ahead to make your trip as smooth as possible. Journey times will vary depending on traffic conditions and the time of day.

  • Travelling on public transport will take you roughly 50 minutes.

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

  • The cheapest price we've found for a one-way ticket from Belfast to Porto Airport is Rs9,571. For a return flight on this route, the best price is Rs20,314. Depending on when you book and the availability, these fares could change.

  • Booking ahead of time is often the key to finding a cheap flight from Belfast to OPO. Fares tend to rise as demand increases, so the closer your departure date, the more expensive your ticket may be.

  • Cheap Belfast to Porto Airport tickets are easier to find when you have flexibility in your schedule. Try using the 'Whole month' search function to compare fares across the month and then pick the cheapest day.

  • Save time searching for cheap flight tickets from Belfast to OPO by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare pops up.

  • Hunt for savings on a flight from Belfast to Porto Airport with the help of the filters. Choose your preferred arrival and departure times, number of stops and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest.'

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

  • It's time to figure out when to book your flight from Belfast to Porto Airport (OPO). August is the busiest month to travel to Porto. If you like your getaways a little more chill, think about going in February.

  • Lock in a Belfast to OPO flight ticket departing in August if you're eager to experience the city during its warmest month. You can expect temperatures in Porto to range from 14ºC to 32ºC.

  • Search for cheap tickets from Belfast to Porto Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 3ºC and 14ºC.

More about Porto

  • Start your Porto trip right by choosing the ideal place to stay. After booking your flight from Belfast to Porto Airport, explore our range of hotels including:

  • There are so many things to do and see in this city, it can be tricky to work out where to begin. Ribeira District, Rio Douro and Livraria Lello are leading attractions which should be on any well-planned Porto itinerary.

Explore more of Portugal

  • Porto has its own special appeal, but there are so many other parts of Portugal just waiting to be discovered. About 290 kilometres south of Porto, a visit to Lisbon will keep you on the move. Start with leading sights like belém, Pasteis de Belém and Real Mosteiro de Santa Maria de Belém.

  • Amadora is another well-known destination in Portugal and is around 274 kilometres south of Porto. No journey is complete without dropping by 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.