In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

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.

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.

£26+ Cheap Flights from Northern Ireland to Porto

Cheap flight deals from Northern Ireland to Porto

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 27 September 2026.

Sat 31/1006:05 -

Nonstop2h 30m

Thu 12/1109:00 -

1 stop10h 45m

Deal found 26/9£80

Wed 28/1007:20 -

Nonstop2h 30m

Thu 12/1109:00 -

1 stop10h 45m

Deal found 26/9£81

Fri 16/1017:20 -

Nonstop2h 30m

Wed 28/1010:15 -

Nonstop2h 30m

Deal found 26/9£82

Fri 16/1017:20 -

Nonstop2h 30m

Thu 12/1109:00 -

1 stop10h 45m

Deal found 26/9£88

Sun 15/1106:55 -

1 stop6h 05m

Sun 15/1122:00 -

1 stop8h 55m

Deal found 24/9£89

Mon 19/1010:30 -

Nonstop2h 30m

Tue 27/1018:50 -

1 stop28h 35m

Deal found 23/9£91

Fri 16/1017:20 -

Nonstop2h 30m

Mon 19/1021:05 -

2 stops26h 15m

Deal found 26/9£92

Sat 12/1213:00 -

1 stop10h 30m

Tue 15/1213:45 -

1 stop6h 25m

Deal found 25/9£94

Mon 19/1010:30 -

Nonstop2h 30m

Sun 25/1015:35 -

2 stops40h 20m

Deal found 23/9£94

Mon 19/1010:30 -

Nonstop2h 30m

Fri 23/1007:50 -

1 stop24h 10m

Deal found 23/9£96

Sun 8/1107:00 -

1 stop10h 00m

Sun 15/1122:00 -

1 stop10h 25m

Deal found 24/9£97

Find flight deals from Northern Ireland to Porto

Round-trip from	£80
One-way from	£26

31/10-12/11
1 total stop
13h 15m total
Northern Ireland to Porto

Search Deals

Ryanair
19/10-31/12
Nonstop
2h 30m total
Northern Ireland to Porto

Search Deals

Cheapflights Fare Finder

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 Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Sat 31/10

06:05-08:35

Nonstop2h 30m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£26

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Wed 28/10

07:20-09:50

Nonstop2h 30m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£27

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Sun 22/11

20:55-09:30

1 stop12h 35m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Mon 26/10

14:30-07:30

1 stop17h 00m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Fri 1/1

06:30-12:05

1 stop5h 35m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Wed 28/10

22:05-20:30

1 stop22h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Mon 4/1

06:20-18:25

1 stop12h 05m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Sat 31/10

19:05-08:45

2 stops13h 40m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£63

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Tue 24/11

17:05-23:00

1 stop5h 55m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£67

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Tue 27/10

08:25-23:30

2 stops15h 05m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£69

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 17 resultsSorted by cheapest first

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.

BFS-OPO

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

GBNIR-OPO

BFS-OPO

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

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.

Related info for your journey

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.
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

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Top airline flying from Northern Ireland to Porto

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£71	Average£124	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights

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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.

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Cheap flights from Northern Ireland to Porto from £26

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to Porto

Cheapest flights from Northern Ireland to PortoExplore 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 27 September 2026.

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 27 September 2026.

Best flights from Northern Ireland to PortoDiscover 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 27 September 2026.

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 27 September 2026.

Direct flights from Northern Ireland to PortoExplore direct flight options from Northern Ireland to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 September 2026.

Explore direct flight options from Northern Ireland to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 September 2026.

Last-minute flights from Northern Ireland to PortoDiscover last-minute flight deals from Northern Ireland to Porto. Data last updated 27 September 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to Porto. Data last updated 27 September 2026 and is based on user searches.

One-way flights from Northern Ireland to PortoSearch for one-way flight options from Northern Ireland to Porto. Find affordable one-way fares based on user searches. Data last updated 27 September 2026.

Search for one-way flight options from Northern Ireland to Porto. Find affordable one-way fares based on user searches. Data last updated 27 September 2026.

Find flight deals from Northern Ireland to Porto

Round-trip from

One-way from

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Use the filters below to find and compare flights from Northern Ireland to Porto that are best for you.

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.

Cheapflights Insights

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 27 September 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.

Related info for your journey

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

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

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

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

Travelling to a place near Porto?

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.

Complete your trip

Complete your trip to Porto by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Portugal

Book a non-stop flight to one of these other cities located in Portugal.

Search flights from Northern Ireland to Porto by cabin class

Find flights from Northern Ireland to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Northern Ireland and Porto flights

Browse other Northern Ireland and Porto flight options. Last updated on 27 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Porto

Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 September 2026.

Northern Ireland to Porto flights

Consider these flights travelling from Northern Ireland to Porto.

Top airline flying from Northern Ireland to Porto

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

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

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

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

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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 27 September 2026.

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 27 September 2026.

Direct flights from Northern Ireland to Porto
Explore direct flight options from Northern Ireland to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 27 September 2026.

Last-minute flights from Northern Ireland to Porto
Discover last-minute flight deals from Northern Ireland to Porto. Data last updated 27 September 2026 and is based on user searches.

One-way flights from Northern Ireland to Porto
Search for one-way flight options from Northern Ireland to Porto. Find affordable one-way fares based on user searches. Data last updated 27 September 2026.