Cheap flights from Porto to Northern Ireland from £48

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — BFS
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Find flight deals from Porto to Northern Ireland

Enter your travel dates to find the best prices.

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 22 October 2025.

Thu 6/1106:30OPO - BFS
1 stop11h 00mMultiple Airlines
Mon 10/1110:50BFS - OPO
1 stop12h 00mMultiple Airlines
Deal found 21/10£120
Thu 4/1206:30OPO - BFS
1 stop27h 05mRyanair
Thu 11/1212:10BFS - OPO
1 stop7h 25mRyanair
Deal found 20/10£123
Wed 5/1114:35OPO - BFS
1 stop21h 10mMultiple Airlines
Sun 9/1115:45BFS - OPO
1 stop21h 50mMultiple Airlines
Deal found 20/10£128
Thu 4/1206:30OPO - BFS
2 stops11h 25mMultiple Airlines
Thu 11/1212:10BFS - OPO
1 stop7h 25mMultiple Airlines
Deal found 20/10£131
Fri 5/1219:00OPO - BFS
1 stop12h 45mMultiple Airlines
Fri 12/1208:05BFS - OPO
1 stop10h 10mMultiple Airlines
Deal found 20/10£143
Fri 7/1111:30OPO - BFS
2 stops21h 20mMultiple Airlines
Tue 11/1120:55BFS - OPO
1 stop13h 45mMultiple Airlines
Deal found 22/10£154
Thu 27/1106:40OPO - BHD
1 stop9h 25mMultiple Airlines
Sun 30/1107:00BHD - OPO
1 stop5h 10mMultiple Airlines
Deal found 21/10£154
Sat 6/1218:10OPO - BFS
2 stops14h 40mMultiple Airlines
Sat 13/1222:25BFS - OPO
1 stop13h 45mMultiple Airlines
Deal found 22/10£161
Fri 21/1121:55OPO - BHD
2 stops22h 55mMultiple Airlines
Sun 23/1108:40BHD - OPO
1 stop11h 55mMultiple Airlines
Deal found 21/10£189
Thu 6/1106:40OPO - BHD
1 stop9h 25mMultiple Airlines
Mon 10/1106:50BHD - OPO
1 stop7h 00mMultiple Airlines
Deal found 21/10£192
Wed 5/1121:55OPO - BHD
2 stops20h 30mMultiple Airlines
Sun 9/1108:40BHD - OPO
2 stops26h 10mMultiple Airlines
Deal found 20/10£208
Fri 7/1106:20OPO - BHD
1 stop5h 00mMultiple Airlines
Tue 11/1110:15BHD - OPO
1 stop9h 00mMultiple Airlines
Deal found 22/10£224

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 22 October 2025.

Round-trip from

£120

One-way from

£48
Ryanair
  • Ryanair
  • 6/11-10/11
  • 2 total stops
  • 23h 00m total
  • Porto to Northern Ireland
easyJet
  • easyJet
  • 16/12
  • 1 total stop
  • 6h 10m total
  • Porto to Northern Ireland

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 22 October 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

Thu 6/11

06:30-17:30

1 stop11h 00m

Belfast Intl

Mon 10/11

10:50-22:50

1 stop12h 00m

£120

PortoBelfast

OPO - BFS

OPOBFS

Porto

Thu 4/12

06:30-09:35

1 stop27h 05m

Belfast Intl

Thu 11/12

12:10-19:35

1 stop7h 25m

£123

PortoBelfast

OPO - BFS

OPOBFS

Porto

Wed 5/11

14:35-11:45

1 stop21h 10m

Belfast Intl

Sun 9/11

15:45-13:35

1 stop21h 50m

£128

PortoBelfast

OPO - BFS

OPOBFS

Porto

Thu 4/12

06:30-17:55

2 stops11h 25m

Belfast Intl

Thu 11/12

12:10-19:35

1 stop7h 25m

£131

PortoBelfast

OPO - BFS

OPOBFS

Porto

Sat 6/12

13:40-18:45

1 stop5h 05m

Belfast Intl

Sat 13/12

17:55-20:35

1 stop26h 40m

£143

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 5/12

19:00-07:45

1 stop12h 45m

Belfast Intl

Fri 12/12

08:05-18:15

1 stop10h 10m

£143

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 7/11

11:30-08:50

2 stops21h 20m

Belfast Intl

Tue 11/11

20:55-10:40

1 stop13h 45m

£154

PortoBelfast

OPO - BHD

OPOBHD

Porto

Thu 27/11

06:40-16:05

1 stop9h 25m

Belfast City

Sun 30/11

07:00-12:10

1 stop5h 10m

£154

PortoBelfast

OPO - BHD

OPOBHD

Porto

Thu 6/11

06:40-16:05

1 stop9h 25m

Belfast City

Mon 10/11

06:50-13:50

1 stop7h 00m

£192

PortoBelfast

OPO - BHD

OPOBHD

Porto

Wed 5/11

21:55-18:25

2 stops20h 30m

Belfast City

Sun 9/11

08:40-10:50

2 stops26h 10m

£208

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 28 results
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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 22 October 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.

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.

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

    Departing from Porto to Northern Ireland will take you 27h 05m. The distance from Porto to Northern Ireland is about 933 mi.

  • 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.

See more FAQs

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Millions of users choose and trust Cheapflights to book the best flight deals from Porto to Northern Ireland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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.

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

Yes! Start tracking prices for Porto to Northern Ireland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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