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Cheap flights from Porto to Northern Ireland from £82

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — BFS
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Porto to Northern Ireland

Keep the following information in mind while searching for Porto to Northern Ireland flight deals. Data was last updated 13 June 2025.

Round-trip from

£135

One-way from

£82
28/6-2/7
  • 28/6-2/7
  • 2 total stops
  • 17h 55m total
  • Porto to Northern Ireland
Search Deals
6/8
  • 6/8
  • 1 total stop
  • 23h 20m total
  • Porto to Northern Ireland
Search Deals

Find flight deals from Porto to Northern Ireland

Cheapest flights from Porto to Northern Ireland
Explore the most affordable flight options available from Porto to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Sat 28/613:30OPO - BFS
Nonstop2h 30mMultiple Airlines
Wed 2/715:25BFS - OPO
2 stops15h 25mMultiple Airlines
Deal found 11/6£135
Sat 28/613:30OPO - BFS
Nonstop2h 30mRyanair
Wed 2/711:10BFS - OPO
Nonstop2h 30mRyanair
Deal found 11/6£142
Thu 3/706:45OPO - BHD
2 stops13h 10mMultiple Airlines
Wed 9/711:00BHD - OPO
2 stops32h 40mMultiple Airlines
Deal found 11/6£221
Thu 3/706:40OPO - BHD
1 stop8h 25measyJet
Wed 9/707:05BHD - OPO
1 stop11h 45measyJet
Deal found 11/6£279
Sat 28/619:00OPO - BHD
1 stop26h 15mKLM
Wed 2/717:25BHD - OPO
1 stop17h 15mKLM
Deal found 11/6£314
Sat 28/608:15OPO - BHD
2 stops25h 05mBritish Airways
Wed 2/718:30BHD - OPO
1 stop14h 35mBritish Airways
Deal found 11/6£551

Cheapflights Fare Finder

Customise your flight search to find flights from Porto to Northern Ireland 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 13 June 2025.
Use the filters below to find and compare flights from Porto to Northern Ireland that are best for you.

Fly from

Porto

Fly to

Northern Ireland

Route

Depart

Return

Price

PortoBelfast

OPO - BFS

OPOBFS

Porto

Sat 28/6

13:30-16:00

Nonstop2h 30m

Belfast Intl

Wed 2/7

15:25-06:50

2 stops15h 25m

£135

PortoBelfast

OPO - BFS

OPOBFS

Porto

Sat 28/6

13:30-16:00

Nonstop2h 30m

Belfast Intl

Wed 2/7

11:10-13:40

Nonstop2h 30m

£142

PortoBelfast

OPO - BHD

OPOBHD

Porto

Thu 3/7

06:45-19:55

2 stops13h 10m

Belfast City

Wed 9/7

11:00-19:40

2 stops32h 40m

£221

PortoBelfast

OPO - BHD

OPOBHD

Porto

Thu 3/7

06:40-15:05

1 stop8h 25m

Belfast City

Wed 9/7

07:05-18:50

1 stop11h 45m

£279

PortoBelfast

OPO - BHD

OPOBHD

Porto

Sat 28/6

19:00-21:15

1 stop26h 15m

Belfast City

Wed 2/7

17:25-10:40

1 stop17h 15m

£314

PortoBelfast

OPO - BHD

OPOBHD

Porto

Sat 28/6

08:15-09:20

2 stops25h 05m

Belfast City

Wed 2/7

18:30-09:05

1 stop14h 35m

£551

PortoBelfast

OPO - BFS

OPOBFS

Porto

Wed 6/8

07:25-06:45

1 stop23h 20m

£82

PortoBelfast

OPO - BFS

OPOBFS

Porto

Tue 5/8

06:20-07:30

1 stop25h 10m

£87

PortoBelfast

OPO - BHD

OPOBHD

Porto

Wed 6/8

16:00-11:20

1 stop19h 20m

£98

PortoBelfast

OPO - BHD

OPOBHD

Porto

Sat 28/6

08:15-09:20

2 stops25h 05m

£283

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Best time to book a flight from Porto to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Porto 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 Porto to Northern Ireland

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

Find hourly flight availability from Porto to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Porto to Northern Ireland as you normally would.

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Northern Ireland, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 13 June 2025.
KLM
7.8
Good
1,358 reviews
Check prices

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.
KLM
7.8
Good
1,358 reviews
KLM
7.8
Good
1,358 reviews
Check prices

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.
easyJet
6.9
Okay
1,812 reviews
KLM
7.8
Good
1,358 reviews
Check prices

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.
British Airways
6.6
Okay
7,011 reviews
KLM
7.8
Good
1,358 reviews
Check prices

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.
Ryanair
6.1
Okay
KLM
7.8
Good
1,358 reviews
Check prices

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.

Related info for your journey

Find useful and relevant information for your journey from Porto to Northern Ireland. 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 from for flights from Porto to Northern Ireland?

    Located just 6.8 mi from the city center, Porto (OPO) is the airport most travelers will use when flying to Northern Ireland from Porto.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Porto to Northern Ireland?

    Currently, January is the cheapest month in which you can book a flight from Porto to Northern Ireland (average of £67). Flying from Porto to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Porto to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Certainly. Search results for flights to Northern Ireland from Porto shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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