Cheap Flights from Belfast (BELF) to Porto (OPO)

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Flight deals from Belfast to Porto Airport

Looking for a cheap last-minute deal or the best return flight from Belfast to Porto Airport? If you want to travel next month, return fares start from £39. 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 April.

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 found£17
Cheapest month to flyApril
Average flight time2 hrs, 30 mins
Most popular airlineRyanair
Average flights per week2

Finding cheap flights from Belfast to Porto: Frequently asked questions

The best price we found for a return flight from Belfast to Porto is £37. 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 flies direct from Belfast to Porto.
As of March 2026, there are 2 flights per week flying from Belfast to Porto.
The cheapest month to fly from Belfast to Porto is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to Porto Airport on Monday, 27 April 2026.
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.
The cheapest airline that flies to Porto is Ryanair .

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

  • Belfast's main base, Belfast International Airport (BFS), is where new adventures begin. Explore the departure options from here when searching for a flight from Belfast to Porto Airport (OPO).

  • 2 hours 30 minutes is the average journey time for a direct Belfast to Porto Airport flight.

  • Porto (where Porto Airport is located) and Belfast share the UTC+0 timezone. You can plan your trip without factoring in timezone differences.

  • Get to the airport on time so you don't miss your flight from Belfast 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.

  • Popular months like September or other busy periods mean longer lines and possible delays. Get a head start by arriving at the airport even earlier. Aim for at least four hours ahead of an international flight and two hours before domestic departures.

Airports in Belfast

Belfast International Airport (BFS)

  • Fly without interruptions from Belfast International Airport (BFS). Nonstop flights from Belfast to Porto Airport (OPO) can be booked from here.

  • You can book a direct flight from Belfast to Porto Airport with Ryanair. This top carrier operates services from BFS.

  • Ryanair ranks first in bookings for flights from BFS to OPO.

  • Travelling from central Belfast to BFS takes about 45 minutes by public transport. If you ride-share, drive or get a taxi, you'll cover the 19 kms (12 miles) in 25 minutes or so, depending on traffic.

  • Want a stress-free start to your journey? Stay near Belfast International Airport. Whether you're catching an early flight from Belfast to Porto Airport or aren't a fan of being rushed, these hotels have you covered:

  • 82% of flights departing from Belfast International Airport reach their destination according to schedule. Given its dependable on-time performance, disruptions are unlikely when taking off from BFS.

George Best Belfast City Airport (BHD)

  • Break up your flight from Belfast to Porto Airport with a stop so you can stretch your legs or perhaps go somewhere you've never been before. Some popular stopovers between George Best Belfast City Airport and OPO are:

    • Frankfurt Airport (FRA)

    • London Gatwick Airport (LGW)

    • Bristol Airport (BRS)

  • You can reach BHD from central Belfast in about 15 minutes by car (depending on traffic conditions). The ride by public transport takes roughly 25 minutes to travel the 5 kms (3 miles) or so.

  • Want to enjoy an extra night away before catching your Belfast to OPO flight? Kick back in a hotel near George Best Belfast City Airport before your holiday officially starts. Here's where you can stay:

  • The majority of flights that leave George Best Belfast City Airport land at their destination as expected. It boasts a strong on-time performance rate of 80%.

About Porto Airport (OPO)

Getting from Porto Airport (OPO) to central Porto

  • Central Porto is around 11 kms (7 miles) from Porto Airport and takes about 20 minutes to reach by car. See what your options are for making the trip into the city, whether that's with a car hire, taxi or ride-share.

  • If you're taking public transport, expect a journey of roughly 30 minutes.

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

  • £17 is the lowest price for a one-way ticket from Belfast to Porto Airport. Return flights start at £37. These prices may change based on demand.

  • 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 you get to departure, the more you'll likely pay.

  • Cheap Belfast to Porto Airport tickets are easier to find when your dates are flexible. Try using the 'Whole month' tool to compare fares across the month and then choose the cheapest day.

  • You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll let you know when a better deal is available on plane tickets from Belfast to OPO.

  • Find a cheap flight from Belfast to Porto Airport by using filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

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

  • It's time to work out your travel dates for your flight from Belfast to Porto Airport (OPO). August is when most people visit Porto. If you like your getaways a little more chill, head there in December.

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

  • If you like travelling in cooler conditions, look for a cheap ticket from Belfast to Porto Airport in January when temperatures are between 3ºC and 14ºC.

More about Porto

  • When it comes to looking for somewhere to lay your head, you'll find the top stays in Porto right here. Explore these hotels once you've locked in your flight from Belfast to Porto Airport:

  • There are so many things to explore in this city, it can be hard to know where to start. Ribeira District, Rio Douro and Livraria Lello are popular attractions which should feature on every Porto itinerary.

Explore more of Portugal

  • Porto has loads to offer, but there are so many other parts of Portugal you should also see. About 290 kms (180 miles) south of Porto, a visit to Lisbon will keep you on the go. Start with attractions like Pasteis de Belém, belém and Real Mosteiro de Santa Maria de Belém.

  • If you're eager to discover another major destination in Portugal, head for Amadora, about 274 kms (170 miles) south of Porto. Roman Villa, Park Fantasia and Palácio dos Condes da Lousã are key reasons to visit.

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