Find flights
Deals
When to book
FAQs

Cheap flights from Northern Ireland to Porto from £46

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OPO
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Porto
Explore the most affordable flight options available from Northern Ireland to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Fri 18/917:20
BFS
-
OPO
Nonstop2h 30m
Ryanair
Fri 25/914:25
OPO
-
BFS
Nonstop2h 30m
Ryanair
Deal found 7/6£91
Tue 21/720:10
BFS
-
OPO
1 stop13h 00m
Multiple Airlines
Tue 28/721:10
OPO
-
BFS
1 stop9h 55m
Multiple Airlines
Deal found 5/6£93
Mon 20/706:30
BFS
-
OPO
2 stops25h 00m
Multiple Airlines
Mon 27/707:15
OPO
-
BFS
Nonstop2h 30m
Multiple Airlines
Deal found 9/6£104
Mon 13/710:30
BFS
-
OPO
Nonstop2h 30m
Ryanair
Mon 27/707:15
OPO
-
BFS
Nonstop2h 30m
Ryanair
Deal found 8/6£106
Mon 13/718:50
BFS
-
OPO
1 stop14h 10m
Multiple Airlines
Mon 27/707:15
OPO
-
BFS
Nonstop2h 30m
Multiple Airlines
Deal found 8/6£108
Wed 1/715:40
BFS
-
OPO
2 stops15h 10m
Multiple Airlines
Mon 6/707:15
OPO
-
BFS
Nonstop2h 30m
Multiple Airlines
Deal found 5/6£110
Fri 24/717:20
BFS
-
OPO
Nonstop2h 30m
Ryanair
Mon 27/707:15
OPO
-
BFS
Nonstop2h 30m
Ryanair
Deal found 9/6£111
Tue 16/620:10
BFS
-
OPO
1 stop13h 00m
Ryanair
Fri 19/614:25
OPO
-
BFS
Nonstop2h 30m
Ryanair
Deal found 6/6£113
Wed 1/716:45
BHD
-
OPO
2 stops14h 05m
Multiple Airlines
Wed 8/722:30
OPO
-
BHD
1 stop15h 05m
Multiple Airlines
Deal found 4/6£137
Wed 1/709:20
BHD
-
OPO
1 stop12h 20m
Multiple Airlines
Thu 9/706:15
OPO
-
BHD
2 stops10h 20m
Multiple Airlines
Deal found 6/6£181
Tue 16/617:00
BHD
-
OPO
1 stop5h 00m
Multiple Airlines
Fri 19/606:45
OPO
-
BHD
2 stops14h 20m
Multiple Airlines
Deal found 6/6£182
Wed 1/716:45
BHD
-
OPO
2 stops14h 05m
Multiple Airlines
Mon 6/722:40
OPO
-
BHD
2 stops18h 10m
Multiple Airlines
Deal found 5/6£186

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 9 June 2026.

Round-trip from

£91

One-way from

£46

Popular in

March

Cheapest in

May

Average price

£123

Good round-trip deal

£74 or less
Ryanair
  • Ryanair
  • 18/9-25/9
  • Nonstop
  • 5h 00m total
  • Northern Ireland to Porto
Search Deals
Ryanair
  • Ryanair
  • 4/9
  • Nonstop
  • 2h 30m total
  • Northern Ireland to Porto
Search Deals
Highest demand for flights based on searches. 49% potential increase in price (£136 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Northern Ireland to Porto.
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 9 June 2026.
Use the filters below to find and compare flights from Northern Ireland to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 18/9

17:20-19:50

Nonstop2h 30m

Porto

Fri 25/9

14:25-16:55

Nonstop2h 30m

£91

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Tue 21/7

20:10-09:10

1 stop13h 00m

Porto

Tue 28/7

21:10-07:05

1 stop9h 55m

£94

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 20/7

06:30-07:30

2 stops25h 00m

Porto

Mon 27/7

07:15-09:45

Nonstop2h 30m

£104

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 13/7

10:30-13:00

Nonstop2h 30m

Porto

Mon 27/7

07:15-09:45

Nonstop2h 30m

£106

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 13/7

18:50-09:00

1 stop14h 10m

Porto

Mon 27/7

07:15-09:45

Nonstop2h 30m

£108

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sun 12/7

22:00-07:30

2 stops33h 30m

Porto

Mon 20/7

07:15-09:45

Nonstop2h 30m

£128

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Thu 9/7

12:45-23:35

1 stop10h 50m

Porto

Thu 16/7

07:00-15:20

2 stops8h 20m

£135

BelfastPorto

BHD - OPO

BHDOPO

Belfast City

Wed 1/7

09:20-21:40

1 stop12h 20m

Porto

Mon 6/7

22:40-16:50

2 stops18h 10m

£181

BelfastPorto

BHD - OPO

BHDOPO

Belfast City

Wed 1/7

09:20-21:40

1 stop12h 20m

Porto

Thu 9/7

10:05-15:30

1 stop5h 25m

£188

BelfastPorto

BHD - OPO

BHDOPO

Belfast City

Sun 6/9

15:10-08:35

1 stop17h 25m

Porto

Thu 10/9

09:55-15:30

1 stop5h 35m

£193

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 37 resultsSorted by cheapest first
1
2
3
4

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 9 June 2026.

When flying from Northern Ireland to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Northern Ireland to Porto?

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 £91, Ryanair can have you in Porto from Northern Ireland in 2h 30m. Northern Ireland and Porto are separated by a distance of 933 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest flights from Northern Ireland to Porto?

    While on average a flight from Northern Ireland to Porto is generally £81, our data shows the cheapest flight currently is £68. When looking at the most popular route, (Belfast Intl - Porto), you can expect to pay £91 for that flight.

  • 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
Viseu
Guimarães
Coimbra
Chaves
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.

Top 2 airlines flying from Northern Ireland to Porto

Discover the top 2 airlines 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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£57Average£161FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£68Average£113FlexibilityNo 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.