What is the cheapest airline that flies from Portugal to Northern Ireland?

Ryanair, easyJet, and British Airways are the most popular carriers operating from Portugal to Northern Ireland

How long is the flight from Portugal to Northern Ireland?

The average flight duration from Portugal to Northern Ireland depends on which airport you fly into and out of. Flying from Porto to Belfast Intl Airport is 2h 30m on average, while flying from Lisbon to Belfast Intl Airport is 5h 35m on average. Belfast Intl Airport is the most popular airport in Northern Ireland.

How many flights depart from Portugal to Northern Ireland on average per week?

The number of flights available between Portugal and Northern Ireland is 1 per week as of August 2026. The most frequent departure day is Fri, with 100% of weekly flights leaving on this day.

When did momondo last update prices for flights from Portugal to Northern Ireland?

Prices for flights from Portugal to Northern Ireland are updated daily.

How old do you have to be to fly from Portugal to Northern Ireland?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portugal to Northern Ireland.

What documentation or ID do you need to fly to Northern Ireland?

The required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£34 Cheap Flights from Portugal to Northern Ireland in 2026

Find the cheapest flights from Portugal to Northern Ireland

Return

One-way

Direct

Recent return flight deals from Portugal to Northern Ireland

Enter your travel dates to find the best prices.

07:15 - 09:45OPO Porto-BFS Belfast Intl

2h 30mdirect

06:05 - 08:35BFS Belfast Intl-OPO Porto

2h 30mdirect

£67Multiple Airlines

Mon, 12 Oct - Sat, 31 Oct

07:15 - 09:45OPO Porto-BFS Belfast Intl

2h 30mdirect

06:05 - 08:35BFS Belfast Intl-OPO Porto

2h 30mdirect

£78Multiple Airlines

Mon, 19 Oct - Sat, 31 Oct

06:15 - 12:20OPO Porto-BFS Belfast Intl

6h 05m1 stop London Stansted

06:05 - 08:35BFS Belfast Intl-OPO Porto

2h 30mdirect

£93Multiple Airlines

Mon, 19 Oct - Sat, 31 Oct

21:30 - 10:45OPO Porto-BFS Belfast Intl

13h 15m1 stop London Stansted

08:40 - 20:40BFS Belfast Intl-OPO Porto

12h 00m1 stop Manchester

£94Multiple Airlines

Fri, 16 Oct - Mon, 19 Oct

20:50 - 12:15OPO Porto-BFS Belfast Intl

15h 25m2 stops Palma de Mallorca Son Sant Joan London Stansted

06:05 - 08:35BFS Belfast Intl-OPO Porto

2h 30mdirect

£96Multiple Airlines

Mon, 19 Oct - Sat, 31 Oct

21:45 - 07:05OPO Porto-BFS Belfast Intl

33h 20m2 stops Milan Malpensa Manchester

06:05 - 08:35BFS Belfast Intl-OPO Porto

2h 30mdirect

£97Multiple Airlines

Mon, 12 Oct - Sat, 31 Oct

21:35 - 11:35LIS Lisbon Humberto Delgado-BFS Belfast Intl

14h 00m1 stop London Stansted

08:50 - 21:10BFS Belfast Intl-LIS Lisbon Humberto Delgado

12h 20m1 stop London Stansted

£103Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

20:55 - 10:40LIS Lisbon Humberto Delgado-BFS Belfast Intl

13h 45m1 stop London Stansted

09:15 - 20:30BFS Belfast Intl-LIS Lisbon Humberto Delgado

11h 15m1 stop London Stansted

£107Multiple Airlines

Thu, 15 Oct - Thu, 22 Oct

21:30 - 10:45OPO Porto-BFS Belfast Intl

13h 15m1 stop London Stansted

10:30 - 13:00BFS Belfast Intl-OPO Porto

2h 30mdirect

£108Multiple Airlines

Fri, 16 Oct - Mon, 19 Oct

20:55 - 10:40LIS Lisbon Humberto Delgado-BFS Belfast Intl

13h 45m1 stop London Stansted

09:15 - 20:30BFS Belfast Intl-LIS Lisbon Humberto Delgado

11h 15m1 stop London Stansted

£110Multiple Airlines

Thu, 15 Oct - Thu, 22 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Ryanair flights from Portugal to Northern Ireland

Our best Ryanair deals on Portugal to Northern Ireland flight tickets

Ryanair

9 Oct

OPO14:25Porto

2h 30m

BFS16:55Belfast Intl

12 Oct

BFS17:35Belfast Intl

6h 24m

1 stop

OPO23:59Porto

£117

Ryanair

16 Oct

OPO14:25Porto

2h 30m

BFS16:55Belfast Intl

19 Oct

BFS10:30Belfast Intl

2h 30m

OPO13:00Porto

£128

Ryanair

25 Sept

OPO14:25Porto

2h 30m

BFS16:55Belfast Intl

28 Sept

BFS10:30Belfast Intl

2h 30m

OPO13:00Porto

£136

easyJet flights from Portugal to Northern Ireland

Our best easyJet deals on Portugal to Northern Ireland flight tickets

easyJet

24 Sept

LIS07:05Lisbon Humberto Delgado

5h 55m

1 stop

BFS13:00Belfast Intl

30 Sept

BFS07:00Belfast Intl

14h 00m

1 stop

LIS21:00Lisbon Humberto Delgado

£119

easyJet

24 Sept

LIS07:05Lisbon Humberto Delgado

8h 25m

1 stop

BHD15:30Belfast City

30 Sept

BHD12:45Belfast City

8h 15m

1 stop

LIS21:00Lisbon Humberto Delgado

£121

easyJet

16 Oct

OPO06:35Porto

12h 45m

1 stop

BFS19:20Belfast Intl

16 Oct

BFS21:30Belfast Intl

11h 05m

1 stop

OPO08:35Porto

£122

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Mon 12/10

07:15-09:45

Nonstop2h 30m

Belfast Intl

Sat 31/10

06:05-08:35

Nonstop2h 30m

£67

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Mon 19/10

07:15-09:45

Nonstop2h 30m

Belfast Intl

Sat 31/10

06:05-08:35

Nonstop2h 30m

£78

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Mon 19/10

06:15-12:20

1 stop6h 05m

Belfast Intl

Sat 31/10

06:05-08:35

Nonstop2h 30m

£93

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Fri 16/10

21:30-10:45

1 stop13h 15m

Belfast Intl

Mon 19/10

08:40-20:40

1 stop12h 00m

£94

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Mon 19/10

20:50-12:15

2 stops15h 25m

Belfast Intl

Sat 31/10

06:05-08:35

Nonstop2h 30m

£96

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Mon 12/10

21:45-07:05

2 stops33h 20m

Belfast Intl

Sat 31/10

06:05-08:35

Nonstop2h 30m

£97

LisbonBelfast

LIS Lisbon Humberto Delgado - BFS Belfast Intl

LISBFS

Lisbon Humberto Delgado

Tue 22/9

21:35-11:35

1 stop14h 00m

Belfast Intl

Tue 29/9

08:50-21:10

1 stop12h 20m

£103

LisbonBelfast

LIS Lisbon Humberto Delgado - BFS Belfast Intl

LISBFS

Lisbon Humberto Delgado

Thu 15/10

20:55-10:40

1 stop13h 45m

Belfast Intl

Thu 22/10

09:15-20:30

1 stop11h 15m

£107

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Fri 16/10

21:30-10:45

1 stop13h 15m

Belfast Intl

Mon 19/10

10:30-13:00

Nonstop2h 30m

£108

LisbonBelfast

LIS Lisbon Humberto Delgado - BFS Belfast Intl

LISBFS

Lisbon Humberto Delgado

Thu 15/10

20:55-10:40

1 stop13h 45m

Belfast Intl

Thu 22/10

09:15-20:30

1 stop11h 15m

£110

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portugal to Northern Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest Portugal to Northern Ireland flight route?

Fly from Porto to Belfast Intl for the best Portugal - Northern Ireland flight prices

What cabin class options are available on Portugal to Northern Ireland flights?

There are 2 cabin classes available to choose from on Portugal to Northern Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portugal to Northern Ireland flights?

No. A direct flight is the cheapest option for a flight between Portugal to Northern Ireland.

Cheap Portugal to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to Northern Ireland

Best price found	£34
Fastest flight time	2h 30m
Direct flights	Tue and Sat
Airports in Northern Ireland	18 airports

The best one-way flight to Northern Ireland from Portugal in the past 72 hours is £34. The best return flight deal from Portugal to Northern Ireland found on momondo in the last 72 hours is £67.

The fastest flight from Portugal to Northern Ireland takes 2h 30m

Direct flights go from Portugal to Northern Ireland on Tuesday and Saturday. There are no airlines offering direct flights..

There are 18 airports in Northern Ireland. From Portugal there are direct flights to Belfast Intl (BFS).

Search flight deals

Frequently asked questions about flying from Portugal to Northern Ireland

When did momondo last update prices for flights from Portugal to Northern Ireland?
Prices for flights from Portugal to Northern Ireland are updated daily.
How old do you have to be to fly from Portugal to Northern Ireland?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portugal to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Portugal to Northern Ireland?
Based on momondo bookings for flights between Portugal and Northern Ireland, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 54.55% of the total bookings. Other popular models include Boeing 737 MAX 8 with 15.15%, Airbus A320-100/200 with 15.15%, and Airbus A319 with 9.09%.

Why use momondo?

Why should I use momondo to find a flight deal from Portugal to Northern Ireland?

Finding the right flight to Northern Ireland from Portugal is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Northern Ireland quick and easy, saving you time and money.

Can I find flights from Portugal to Northern Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Northern Ireland from Portugal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portugal to Northern Ireland?

Once you have performed a search for Portugal to Northern Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Portugal to Northern Ireland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Portugal to Northern Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Northern Ireland and let you know when they change.