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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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — BFS
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 21 January 2026.

Thu 5/319:00
OPO
-
BFS
1 stop12h 25m
Multiple Airlines
Thu 12/306:15
BFS
-
OPO
1 stop5h 10m
Multiple Airlines
Deal found 19/1£94
Fri 1/521:10
OPO
-
BFS
1 stop10h 50m
Multiple Airlines
Mon 4/508:40
BFS
-
OPO
1 stop12h 00m
Multiple Airlines
Deal found 19/1£112
Fri 6/320:20
OPO
-
BFS
1 stop16h 15m
easyJet
Fri 13/321:20
BFS
-
OPO
1 stop11h 40m
easyJet
Deal found 20/1£118
Fri 6/309:25
OPO
-
BFS
2 stops14h 20m
Multiple Airlines
Fri 13/321:20
BFS
-
OPO
1 stop12h 50m
Multiple Airlines
Deal found 20/1£129
Fri 1/521:10
OPO
-
BHD
2 stops23h 20m
Multiple Airlines
Mon 4/509:30
BHD
-
OPO
1 stop11h 10m
Multiple Airlines
Deal found 19/1£182
Fri 1/514:25
OPO
-
BFS
Nonstop2h 30m
Ryanair
Mon 4/510:30
BFS
-
OPO
Nonstop2h 30m
Ryanair
Deal found 19/1£197
Fri 13/206:20
OPO
-
BHD
1 stop11h 05m
Multiple Airlines
Tue 17/217:25
BHD
-
OPO
3 stops41h 25m
Multiple Airlines
Deal found 20/1£242
Fri 17/416:40
OPO
-
BHD
2 stops16h 10m
Multiple Airlines
Sun 19/406:30
BHD
-
OPO
2 stops25h 10m
Multiple Airlines
Deal found 20/1£303
Fri 13/212:45
OPO
-
BHD
1 stop6h 50m
easyJet
Tue 17/209:25
BHD
-
OPO
1 stop26h 35m
easyJet
Deal found 20/1£364

Find 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 21 January 2026.

Round-trip from

£94

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
  • 20/4
  • Nonstop
  • 2h 30m total
  • Porto to Northern Ireland
Search Deals

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 21 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

Thu 5/3

19:00-07:25

1 stop12h 25m

Belfast Intl

Thu 12/3

06:15-11:25

1 stop5h 10m

£94

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 1/5

21:10-08:00

1 stop10h 50m

Belfast Intl

Mon 4/5

08:40-20:40

1 stop12h 00m

£112

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 6/3

20:20-12:35

1 stop16h 15m

Belfast Intl

Fri 13/3

21:20-09:00

1 stop11h 40m

£118

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 6/3

09:25-23:45

2 stops14h 20m

Belfast Intl

Fri 13/3

21:20-10:10

1 stop12h 50m

£129

PortoBelfast

OPO - BHD

OPOBHD

Porto

Fri 1/5

21:10-20:30

2 stops23h 20m

Belfast City

Mon 4/5

09:30-20:40

1 stop11h 10m

£182

PortoBelfast

OPO - BHD

OPOBHD

Porto

Fri 13/2

06:20-17:25

1 stop11h 05m

Belfast City

Tue 17/2

17:25-10:50

3 stops41h 25m

£242

PortoBelfast

OPO - BHD

OPOBHD

Porto

Fri 17/4

20:40-18:10

2 stops21h 30m

Belfast City

Sun 19/4

11:00-07:40

2 stops20h 40m

£303

PortoBelfast

OPO - BHD

OPOBHD

Porto

Fri 13/2

12:45-19:35

1 stop6h 50m

Belfast City

Tue 17/2

09:25-12:00

1 stop26h 35m

£364

PortoBelfast

OPO - BFS

OPOBFS

Porto

Mon 20/4

07:15-09:45

Nonstop2h 30m

£29

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 20/3

20:20-08:20

1 stop12h 00m

£39

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 24 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.

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

    Departing from Porto to Northern Ireland will take you 16h 15m. 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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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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Fly with Cheapflights

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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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