Find flights
When to book
FAQs

Cheap flights from Northern Ireland to Porto from £35

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OPO
31 Jan — 7 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Porto

Enter your travel dates to find the best prices.

Best flights from Northern Ireland to Porto
Discover carefully curated flight deals from Northern Ireland to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 January 2026.

Sat 7/205:45BFS - OPO
1 stop9h 30mMultiple Airlines
Tue 10/213:00OPO - BFS
1 stop7h 15mMultiple Airlines
Deal found 31/12£111
Fri 10/409:05BHD - OPO
1 stop23h 30measyJet
Sun 12/406:35OPO - BHD
1 stop9h 20measyJet
Deal found 30/12£161
Thu 5/212:10BFS - OPO
1 stop7h 25mMultiple Airlines
Sun 8/212:15OPO - BFS
1 stop11h 35mMultiple Airlines
Deal found 29/12£114
Mon 13/421:55BFS - OPO
1 stop10h 55mMultiple Airlines
Fri 17/407:50OPO - BFS
1 stop8h 25mMultiple Airlines
Deal found 30/12£125
Sun 15/221:10BFS - OPO
2 stops16h 25mMultiple Airlines
Sun 22/212:15OPO - BFS
1 stop11h 35mMultiple Airlines
Deal found 1/1£129
Sat 23/517:30BHD - OPO
1 stop24h 40mKLM
Thu 28/505:00OPO - BHD
1 stop11h 55mKLM
Deal found 30/12£349
Sat 14/213:55BFS - OPO
1 stop5h 00mMultiple Airlines
Sat 21/210:35OPO - BFS
1 stop10h 15mMultiple Airlines
Deal found 30/12£137
Sat 23/507:00BHD - OPO
1 stop16h 40mMultiple Airlines
Thu 28/509:00OPO - BHD
1 stop6h 05mMultiple Airlines
Deal found 30/12£250
Sat 23/517:30BHD - OPO
1 stop17h 25mKLM
Wed 3/619:00OPO - BHD
1 stop14h 20mKLM
Deal found 30/12£374
Fri 10/409:00BHD - OPO
1 stop5h 30mMultiple Airlines
Sun 12/411:00OPO - BHD
2 stops8h 40mMultiple Airlines
Deal found 30/12£395

Find flight deals from Northern Ireland to Porto

Keep the following information in mind while searching for Northern Ireland to Porto flight deals. Data was last updated 1 January 2026.

Round-trip from

£111

One-way from

£35

Popular in

August

Cheapest in

May

Average price

£151
7/2-10/2
  • 7/2-10/2
  • 2 total stops
  • 16h 45m total
  • Northern Ireland to Porto
Search Deals
Ryanair
  • Ryanair
  • 30/3
  • Nonstop
  • 2h 30m total
  • Northern Ireland to Porto
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 January 2026.
Use the filters below to find and compare flights from Northern Ireland to Porto that are best for you.

Fly from

Northern Ireland

Fly to

Porto

Route

Depart

Return

Price

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sat 7/2

05:45-15:15

1 stop9h 30m

Porto

Tue 10/2

13:00-20:15

1 stop7h 15m

£111

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Thu 5/2

12:10-19:35

1 stop7h 25m

Porto

Sun 8/2

12:15-23:50

1 stop11h 35m

£114

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 13/4

21:55-08:50

1 stop10h 55m

Porto

Fri 17/4

07:50-16:15

1 stop8h 25m

£125

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sun 15/2

21:10-13:35

2 stops16h 25m

Porto

Sun 22/2

12:15-23:50

1 stop11h 35m

£129

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sat 14/2

13:55-18:55

1 stop5h 00m

Porto

Sat 21/2

10:35-20:50

1 stop10h 15m

£137

BelfastPorto

BHD - OPO

BHDOPO

Belfast City

Fri 10/4

09:05-08:35

1 stop23h 30m

Porto

Sun 12/4

06:35-15:55

1 stop9h 20m

£161

BelfastPorto

BHD - OPO

BHDOPO

Belfast City

Sat 23/5

07:00-23:40

1 stop16h 40m

Porto

Thu 28/5

09:00-15:05

1 stop6h 05m

£250

BelfastPorto

BHD - OPO

BHDOPO

Belfast City

Sat 23/5

17:30-18:10

1 stop24h 40m

Porto

Thu 28/5

05:00-16:55

1 stop11h 55m

£349

BelfastPorto

BHD - OPO

BHDOPO

Belfast City

Sat 23/5

17:30-10:55

1 stop17h 25m

Porto

Wed 3/6

19:00-09:20

1 stop14h 20m

£374

BelfastPorto

BHD - OPO

BHDOPO

Belfast City

Fri 10/4

09:00-14:30

1 stop5h 30m

Porto

Sun 12/4

11:00-19:40

2 stops8h 40m

£395

Flights are sorted by cheapest return flights first.

Deals found on 1/1

Showing 1-10 of 26 results
1
2
3

Best time to book a flight from Northern Ireland to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Northern Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Porto

What is the cheapest time of day to fly from NIR to OPO?

Find hourly flight availability from Northern Ireland to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 January 2026.

One of the essential ways to save on airfare from Northern Ireland to Porto is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 73% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Northern Ireland?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly into when you book flights from Northern Ireland to Porto.

  • How long is the flight from Northern Ireland to Porto?

    For as low as £161, easyJet can have you in Porto from Northern Ireland in 23h 30m. Northern Ireland and Porto are separated by a distance of 932 mi.

  • Can I find deals for flights from Northern Ireland to Porto that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to Porto flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Porto.

  • Can I find deals for business class flights from Northern Ireland to Porto?

    Yes. Cheapflights offers flight deals from Northern Ireland to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Santa Maria da Feira
Guimarães
Coimbra
Chaves
Viseu
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Northern Ireland to Porto

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Lisbon flights
Heathrow to Lisbon flights
Luton to Lisbon flights
London City to Lisbon flights
Gatwick to Porto flights
Stansted to Lisbon flights
Gatwick to Funchal flights
Heathrow to Faro flights
Heathrow to Porto flights
Gatwick to Faro flights
Heathrow to Funchal flights
Stansted to Porto flights
Luton to Faro flights
Manchester to Lisbon flights
London City to Porto flights
Manchester to Faro flights
Luton to Porto flights
Stansted to Faro flights
London City to Faro flights
London City to Funchal flights
Manchester to Porto flights
Bristol to Faro flights
Stansted to Funchal flights
Belfast Intl to Faro flights
Luton to Funchal flights
Southend to Lisbon flights
Birmingham to Faro flights
Edinburgh to Lisbon flights
Bristol to Lisbon flights
Manchester to Funchal flights
Liverpool to Faro flights
Glasgow Intl to Faro flights
Leeds to Faro flights
Southend to Faro flights
Southend to Porto flights
Edinburgh to Faro flights
Birmingham to Porto flights
Heathrow to Ponta Delgada flights
Bristol to Funchal flights
Edinburgh to Porto flights
East Midlands to Faro flights
Belfast City to Faro flights
Gatwick to Ponta Delgada flights
Birmingham to Lisbon flights
Bristol to Porto flights
Luton to Ponta Delgada flights
Stansted to Ponta Delgada flights
Newcastle upon Tyne to Faro flights
Bournemouth to Faro flights
Birmingham to Funchal flights

Top airline flying from Northern Ireland to Porto

Discover the top airline that operate flights from Northern Ireland to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 January 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£47Average£161FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Northern Ireland to Porto?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Porto from Northern Ireland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Porto?

Cheapflights simply makes it quick and affordable to book flights from Northern Ireland to Porto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Northern Ireland to Porto with no change fees?

Yes, we can. To see specific flights from Northern Ireland to Porto with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Northern Ireland to Porto become cheaper?

Of course! You can now track prices for flights from Northern Ireland to Porto and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.