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102 € Cheap Flights from Belfast International to Porto

Compare Belfast International 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 International to Porto

Looking for a cheap last-minute deal or the best return flight from Belfast International to Porto? Find the lowest prices on one-way and return tickets right here.
Porto.102 € per passenger.Departing Sat, 23 Aug, returning Sat, 6 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Belfast International on Sat, 23 Aug, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Sat, 6 Sep, arriving in Belfast International.Price includes taxes and charges.From 102 €, select.
Porto.111 € per passenger.Departing Wed, 3 Sep, returning Sat, 13 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Belfast International on Wed, 3 Sep, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Sat, 13 Sep, arriving in Belfast International.Price includes taxes and charges.From 111 €, select.
Porto.114 € per passenger.Departing Tue, 7 Oct, returning Fri, 10 Oct.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Belfast International on Tue, 7 Oct, arriving in Porto.Inbound indirect flight with easyJet, departs from Porto on Fri, 10 Oct, arriving in Belfast International.Price includes taxes and charges.From 114 €, select.
Porto.121 € per passenger.Departing Sat, 27 Sep, returning Wed, 15 Oct.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Belfast International on Sat, 27 Sep, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Wed, 15 Oct, arriving in Belfast International.Price includes taxes and charges.From 121 €, select.
Porto.121 € per passenger.Departing Sat, 4 Oct, returning Wed, 22 Oct.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Belfast International on Sat, 4 Oct, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Wed, 22 Oct, arriving in Belfast International.Price includes taxes and charges.From 121 €, select.
Porto.125 € per passenger.Departing Sun, 30 Nov, returning Thu, 4 Dec.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Belfast International on Sun, 30 Nov, arriving in Porto.Inbound indirect flight with easyJet, departs from Porto on Thu, 4 Dec, arriving in Belfast International.Price includes taxes and charges.From 125 €, select.
Porto.138 € per passenger.Departing Fri, 7 Nov, returning Sun, 9 Nov.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Belfast International on Fri, 7 Nov, arriving in Porto.Inbound indirect flight with easyJet, departs from Porto on Sun, 9 Nov, arriving in Belfast International.Price includes taxes and charges.From 138 €, select.
Porto.139 € per passenger.Departing Mon, 8 Dec, returning Fri, 12 Dec.Return flight with easyJet.Outbound indirect flight with easyJet, departs from Belfast International on Mon, 8 Dec, arriving in Porto.Inbound indirect flight with easyJet, departs from Porto on Fri, 12 Dec, arriving in Belfast International.Price includes taxes and charges.From 139 €, select.

Find the cheapest month to fly from Belfast International to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Belfast International to Porto flights are currently cheapest in September.
Jul
Find prices
Aug
from 142 €
Sep
from 111 €
Oct
from 114 €
Nov
from 138 €
Dec
from 139 €
Jan
from 152 €
Feb
from 170 €
Mar
from 196 €
Apr
from 249 €
May
from 207 €
Jun
from 160 €

Direct flights from Belfast International to Porto

Belfast International to Porto: Alternative routes

Compare routes from Belfast International 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 found102 €
Cheapest month to flyAugust
Average flight time2 hrs, 30 mins
Most popular airlineRyanair UK Ltd.
Average flights per week2

Finding cheap flights from Belfast International to Porto: Frequently asked questions

The best price we found for a return flight from Belfast International to Porto is 102 €. 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 International to Porto.
Ryanair UK Ltd. flies direct from Belfast International to Porto.
As of July 2025, there are 2 flights per week flying from Belfast International to Porto.
The cheapest month to fly from Belfast International to Porto is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Belfast International Airport to Porto Airport on Saturday, 23 August 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.
Currently, Ryanair offers the cheapest flight tickets to Porto.

Travelling from Belfast International Airport (BFS) to Porto Airport (OPO): what you need to know

  • Around 2 hours 30 minutes is how long you can expect to be in the air on a direct flight from Belfast International Airport to Porto Airport.

  • Porto's timezone is UTC+0, which is the same as Belfast.

  • Your BFS to OPO flight won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months like August, you'll want to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during peak periods in general.

  • Ryanair has direct flights from Belfast International Airport to Porto Airport. Book with this popular carrier, then get ready to see the sights in Porto — and maybe even more of Portugal if time allows.

  • Ryanair is the airline most travellers choose to fly with on this route.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Belfast International Airport to Porto Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to visit the city of your choice. Top stopovers between BFS and OPO include:

    • London Gatwick Airport

    • Faro Airport

    • Charles de Gaulle Airport

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

  • At the moment, 43 € is the lowest price we've seen for a one-way Belfast International Airport to Porto Airport flight. The best price for a return plane ticket is 102 €. Keep in mind that fares can change due to demand when booking.

  • To secure cheap tickets from BFS to OPO, book your journey six months before your departure.

  • Plan your trip for May. That's the cheapest month for flights from Belfast International Airport to Porto Airport. If you're flexible with your dates, use the 'Whole month' tool to see the cheapest airfare across every month.

  • You won't have to check back in every day to find out if fares have dropped when you create a Price Alert. We'll send you an update the moment a special offer becomes available on cheap flights from BFS to OPO.

  • Secure the perfect flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Belfast International Airport to Porto Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Belfast International Airport (BFS)

  • 67.55% of flights that take off from Belfast International Airport arrive at their destination on schedule.

  • Belfast International Airport is about 32 kilometres from central Belfast. If you're driving, ride-sharing or catching a cab from the centre, it'll take 30 minutes or so to arrive, depending on the traffic.

  • The trip on public transport takes roughly 2 hours.

  • Have an early flight from Belfast International Airport to Porto Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by picking one of these hotels close to BFS:

Arriving at Porto Airport (OPO)

  • Reserve a hotel close to OPO if you're on a late Belfast International Airport to Porto Airport flight. Choose one of these options and skip the long transfer after landing:

  • Go where the road takes you with a Porto Airport rental car. Pick up a set of wheels from Klass Wagen, Goldcar or Drive & Go and chase adventure across Porto and beyond.

  • Lock in the best rate by booking your vehicle from Porto Airport around three weeks before your travel date.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport is approximately 16 kilometres from the centre of Porto. Driving there takes about 20 minutes.

  • It typically takes 50 minutes if you're travelling by public transport.

When to fly to Porto Airport (OPO)

  • August is the busiest month for flights from Belfast International Airport to Porto Airport. To skip the crowds, go to Porto in January.

  • Before locking in your flight from Belfast International Airport to Porto Airport, think about the type of weather you enjoy. August is the warmest month in Porto, with temperatures ranging from 14ºC (57ºF) to 32ºC (90ºF).

  • Search for cheap tickets from BFS to OPO in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 3ºC (37ºF) and 14ºC (57ºF) on average.

Explore more of Portugal

  • Porto has its own special appeal, but there are so many other corners of Portugal just waiting to be explored. About 274 kilometres south of Porto, a visit to Lisbon will keep you on the move. Start with leading sights like Torre de Belem Garden, Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle.

  • 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.

More travel options

Plan the rest of your trip from Belfast to Porto

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