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Cheap flights from Porto to Northern Ireland from £29

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — BFS
18 Feb — 25 Feb1
1 adult
1 adult, Economy, 0 bags

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 19 January 2026.

Round-trip from

£95

One-way from

£29
5/3-12/3
  • 5/3-12/3
  • 2 total stops
  • 17h 35m total
  • Porto to Northern Ireland
Search Deals
Ryanair
  • Ryanair
  • 17/4
  • Nonstop
  • 2h 30m total
  • Porto to Northern Ireland
Search Deals

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 19 January 2026.

Wed 4/211:05
OPO
-
BFS
1 stop7h 45m
Multiple Airlines
Thu 19/212:10
BFS
-
OPO
1 stop7h 25m
Multiple Airlines
Deal found 17/1£99
Fri 20/211:10
OPO
-
BFS
1 stop6h 25m
Multiple Airlines
Sun 22/222:45
BFS
-
OPO
1 stop9h 35m
Multiple Airlines
Deal found 18/1£111
Mon 26/108:45
OPO
-
BFS
1 stop13h 10m
Multiple Airlines
Thu 29/106:15
BFS
-
OPO
1 stop12h 05m
Multiple Airlines
Deal found 17/1£114
Tue 3/319:40
OPO
-
BFS
1 stop15h 05m
Multiple Airlines
Tue 10/305:45
BFS
-
OPO
1 stop13h 30m
Multiple Airlines
Deal found 17/1£120
Fri 20/206:20
OPO
-
BHD
1 stop11h 05m
Multiple Airlines
Sun 22/206:50
BHD
-
OPO
1 stop9h 55m
Multiple Airlines
Deal found 18/1£132
Wed 21/120:55
OPO
-
BHD
2 stops16h 00m
Multiple Airlines
Sun 25/108:40
BHD
-
OPO
1 stop11h 55m
Multiple Airlines
Deal found 18/1£156
Wed 4/206:45
OPO
-
BHD
2 stops9h 35m
Multiple Airlines
Thu 19/220:00
BHD
-
OPO
1 stop12h 25m
Multiple Airlines
Deal found 17/1£164
Fri 20/220:20
OPO
-
BHD
1 stop13h 00m
easyJet
Sun 22/208:40
BHD
-
OPO
1 stop11h 55m
easyJet
Deal found 18/1£241
Sat 17/1019:00
OPO
-
BHD
1 stop14h 15m
KLM
Sat 7/1117:20
BHD
-
OPO
1 stop17h 10m
KLM
Deal found 17/1£282
Wed 21/106:30
OPO
-
BFS
1 stop11h 25m
Multiple Airlines
Sun 25/114:10
BFS
-
OPO
2 stops31h 50m
Multiple Airlines
Deal found 18/1£424

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 19 January 2026.
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

Wed 4/2

11:05-18:50

1 stop7h 45m

Belfast Intl

Thu 19/2

12:10-19:35

1 stop7h 25m

£99

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 20/2

21:35-22:35

2 stops25h 00m

Belfast Intl

Sun 22/2

23:05-09:15

1 stop10h 10m

£111

PortoBelfast

OPO - BFS

OPOBFS

Porto

Tue 3/3

19:40-10:45

1 stop15h 05m

Belfast Intl

Tue 10/3

05:45-19:15

1 stop13h 30m

£120

PortoBelfast

OPO - BHD

OPOBHD

Porto

Fri 20/2

06:20-17:25

1 stop11h 05m

Belfast City

Sun 22/2

06:50-16:45

1 stop9h 55m

£132

PortoBelfast

OPO - BHD

OPOBHD

Porto

Wed 4/2

06:45-16:20

2 stops9h 35m

Belfast City

Thu 19/2

20:00-08:25

1 stop12h 25m

£164

PortoBelfast

OPO - BHD

OPOBHD

Porto

Fri 20/2

20:20-09:20

1 stop13h 00m

Belfast City

Sun 22/2

08:40-20:35

1 stop11h 55m

£241

PortoBelfast

OPO - BHD

OPOBHD

Porto

Fri 17/4

16:40-08:50

2 stops16h 10m

Belfast City

Sun 19/4

11:00-07:40

2 stops20h 40m

£305

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 17/4

14:25-16:55

Nonstop2h 30m

£29

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 17/4

10:45-16:15

1 stop5h 30m

£50

PortoBelfast

OPO - BFS

OPOBFS

Porto

Mon 16/3

18:30-08:20

1 stop13h 50m

£52

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 26 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
No data available for this route at this time. Please check back soon.

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.

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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Lisbon to Liverpool flights
Lisbon to Belfast City flights
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Faro to Liverpool flights
Faro to Bristol flights
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Lisbon to Cardiff flights
Porto to Leeds flights
Porto to Belfast City flights

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

When you search for this flight from Porto to Northern Ireland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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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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