Cheap flights from Portugal to Northern Ireland from £66

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Northern Ireland departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Portugal to Northern Ireland

Recent return flight deals from Portugal to Northern Ireland

Ryanair Logo
13:30 - 16:00OPO-BFS
2h 30mdirect
Ryanair Logo
11:10 - 13:40BFS-OPO
2h 30mdirect
£66Ryanair
Find Deal
lør., 4 okt. - ons., 8 okt.
Ryanair Logo
13:30 - 16:00OPO-BFS
2h 30mdirect
Ryanair Logo
11:10 - 13:40BFS-OPO
2h 30mdirect
£78Ryanair
Find Deal
lør., 4 okt. - ons., 8 okt.
 Logo
13:30 - 16:00OPO-BFS
2h 30mdirect
 Logo
06:00 - 11:20BFS-OPO
5h 20m1 stop
lør., 4 okt. - ons., 8 okt.
easyJet Logo
17:35 - 12:35LIS-BFS
19h 00m1 stop
easyJet Logo
08:55 - 19:20BFS-LIS
10h 25m1 stop
£104easyJet
Find Deal
fre., 14 nov. - søn., 16 nov.
easyJet Logo
06:00 - 20:30LIS-BFS
14h 30m1 stop
easyJet Logo
19:45 - 10:15BFS-LIS
14h 30m1 stop
£107easyJet
Find Deal
lør., 8 nov. - lør., 15 nov.
 Logo
13:30 - 16:00OPO-BFS
2h 30mdirect
 Logo
21:05 - 21:05BFS-OPO
24h 00m2 stops
lør., 4 okt. - ons., 8 okt.
 Logo
22:20 - 10:25OPO-BFS
12h 05m1 stop
 Logo
19:00 - 08:45BFS-OPO
13h 45m1 stop
tir., 7 okt. - tor., 9 okt.
Ryanair Logo
18:00 - 17:00OPO-BFS
23h 00m2 stops
Ryanair Logo
12:15 - 21:55BFS-OPO
9h 40m1 stop
£159Ryanair
Find Deal
lør., 4 okt. - ons., 8 okt.
KLM Logo
05:00 - 16:50LIS-BHD
11h 50m1 stop
KLM Logo
17:20 - 10:35BHD-LIS
17h 15m1 stop
£238KLM
Find Deal
fre., 7 nov. - man., 10 nov.
KLM Logo
06:05 - 21:15OPO-BHD
15h 10m1 stop
KLM Logo
06:30 - 22:15BHD-OPO
15h 45m1 stop
£350KLM
Find Deal
lør., 4 okt. - ons., 8 okt.

Ryanair flights from Portugal to Northern Ireland

Our best Ryanair deals on Portugal to Northern Ireland flight tickets
Ryanair
4 Oct
OPO13:30Porto
2h 30m
BFS16:00Belfast Intl
8 Oct
BFS11:10Belfast Intl
2h 30m
OPO13:40Porto
Ryanair
4 Oct
OPO13:30Porto
2h 30m
BFS16:00Belfast Intl
8 Oct
BFS11:10Belfast Intl
2h 30m
OPO13:40Porto
Ryanair
4 Oct
OPO18:00Porto
23h 00m
2 stops
BFS17:00Belfast Intl
8 Oct
BFS12:15Belfast Intl
9h 40m
1 stop
OPO21:55Porto

easyJet flights from Portugal to Northern Ireland

Our best easyJet deals on Portugal to Northern Ireland flight tickets
easyJet
14 Nov
LIS17:35Lisbon Humberto Delgado
19h 00m
1 stop
BFS12:35Belfast Intl
16 Nov
BFS08:55Belfast Intl
10h 25m
1 stop
LIS19:20Lisbon Humberto Delgado
easyJet
8 Nov
LIS06:00Lisbon Humberto Delgado
14h 30m
1 stop
BFS20:30Belfast Intl
15 Nov
BFS19:45Belfast Intl
14h 30m
1 stop
LIS10:15Lisbon Humberto Delgado
easyJet
8 Nov
LIS06:10Lisbon Humberto Delgado
14h 20m
1 stop
BHD20:30Belfast City
15 Nov
BHD14:15Belfast City
8h 40m
1 stop
LIS22:55Lisbon Humberto Delgado

momondo Fare Finder

 
Customise your flight search to find flights from Portugal 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, momondo users made 279,928 searches. Data last updated 16 september 2025.
Use the filters below to find and compare flights from Portugal to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoBelfast

OPO - BFS

OPOBFS

Porto

lør. 4/10

13:30-16:00

Nonstop2h 30m

Belfast Intl

ons. 8/10

11:10-13:40

Nonstop2h 30m

£66

PortoBelfast

OPO - BFS

OPOBFS

Porto

lør. 4/10

13:30-16:00

Nonstop2h 30m

Belfast Intl

ons. 8/10

11:10-13:40

Nonstop2h 30m

£78

PortoBelfast

OPO - BFS

OPOBFS

Porto

lør. 4/10

13:30-16:00

Nonstop2h 30m

Belfast Intl

ons. 8/10

06:00-11:20

1 stop5h 20m

£102

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

fre. 14/11

17:35-12:35

1 stop19h 00m

Belfast Intl

søn. 16/11

08:55-19:20

1 stop10h 25m

£104

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

lør. 8/11

06:00-20:30

1 stop14h 30m

Belfast Intl

lør. 15/11

19:45-10:15

1 stop14h 30m

£107

PortoBelfast

OPO - BFS

OPOBFS

Porto

lør. 4/10

13:30-16:00

Nonstop2h 30m

Belfast Intl

ons. 8/10

21:05-21:05

2 stops24h 00m

£110

PortoBelfast

OPO - BFS

OPOBFS

Porto

tir. 7/10

22:20-10:25

1 stop12h 05m

Belfast Intl

tor. 9/10

19:00-08:45

1 stop13h 45m

£122

PortoBelfast

OPO - BFS

OPOBFS

Porto

lør. 4/10

18:00-17:00

2 stops23h 00m

Belfast Intl

ons. 8/10

12:15-21:55

1 stop9h 40m

£159

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

fre. 7/11

05:00-16:50

1 stop11h 50m

Belfast City

man. 10/11

17:20-10:35

1 stop17h 15m

£238

PortoBelfast

OPO - BHD

OPOBHD

Porto

lør. 4/10

06:05-21:15

1 stop15h 10m

Belfast City

ons. 8/10

06:30-22:15

1 stop15h 45m

£350

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Northern Ireland from

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

What is the cheapest Portugal to Northern Ireland flight route?

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

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

There is only 1 cabin class 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

£82

Fastest flight time

2h 30m

Direct flights

Sun

Airports in Northern Ireland

1 airport
The best one-way flight to Northern Ireland from Portugal in the past 72 hours is £82. The best return flight deal from Portugal to Northern Ireland found on momondo in the last 72 hours is £75.
The fastest flight from Portugal to Northern Ireland takes 2h 30m
Direct flights go from Portugal to Northern Ireland on Sunday. There are no airlines offering direct flights..
There is 1 airport near Northern Ireland: Belfast Intl (BFS)
  • 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?

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.

An easier way to manage your Northern Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
tor. 16/10
tor. 23/10

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Popular Cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo