Cheap flights from Portugal to Northern Ireland from £20

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Northern Ireland departing on 30/3. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:20 - 22:50
LIS
-
BFS
7h 30m
1 stop
Multiple Airlines Logo
07:40 - 17:15
BFS
-
LIS
9h 35m
1 stop
£80Multiple Airlines
Thu, 5 Mar - Wed, 11 Mar
easyJet Logo
11:30 - 18:20
LIS
-
BFS
6h 50m
1 stop
easyJet Logo
06:00 - 18:00
BFS
-
LIS
12h 00m
1 stop
£91easyJet
Thu, 5 Mar - Wed, 11 Mar
easyJet Logo
11:30 - 19:20
LIS
-
BHD
7h 50m
1 stop
easyJet Logo
07:25 - 18:00
BHD
-
LIS
10h 35m
1 stop
£95easyJet
Thu, 5 Mar - Wed, 11 Mar
easyJet Logo
11:30 - 19:20
LIS
-
BHD
7h 50m
1 stop
easyJet Logo
07:25 - 21:45
BHD
-
LIS
14h 20m
1 stop
£102easyJet
Thu, 5 Mar - Wed, 11 Mar
Multiple Airlines Logo
21:50 - 08:00
OPO
-
BFS
10h 10m
1 stop
Multiple Airlines Logo
08:40 - 20:40
BFS
-
OPO
12h 00m
1 stop
£118Multiple Airlines
Fri, 1 May - Mon, 4 May
Ryanair Logo
14:25 - 16:55
OPO
-
BFS
2h 30mdirect
Ryanair Logo
10:30 - 13:00
BFS
-
OPO
2h 30mdirect
£129Ryanair
Fri, 1 May - Mon, 4 May
Ryanair Logo
21:50 - 08:00
OPO
-
BFS
10h 10m
1 stop
Ryanair Logo
10:30 - 13:00
BFS
-
OPO
2h 30mdirect
£135Ryanair
Fri, 1 May - Mon, 4 May
KLM Logo
05:00 - 21:00
LIS
-
BHD
16h 00m
1 stop
KLM Logo
06:30 - 10:35
BHD
-
LIS
28h 05m
1 stop
£311KLM
Fri, 20 Feb - Sun, 22 Feb
British Airways Logo
18:35 - 07:30
LIS
-
BHD
12h 55m
1 stop
British Airways Logo
12:40 - 21:45
BHD
-
LIS
9h 05m
2 stops
£321British Airways
Thu, 5 Mar - Wed, 11 Mar
KLM Logo
19:00 - 09:20
OPO
-
BHD
14h 20m
1 stop
KLM Logo
17:30 - 10:40
BHD
-
OPO
17h 10m
1 stop
£332KLM
Mon, 6 Apr - Fri, 10 Apr

easyJet flights from Portugal to Northern Ireland

Our best easyJet deals on Portugal to Northern Ireland flight tickets
easyJet
5 Mar
LIS11:30Lisbon Humberto Delgado
6h 50m
1 stop
BFS18:20Belfast Intl
11 Mar
BFS06:00Belfast Intl
12h 00m
1 stop
LIS18:00Lisbon Humberto Delgado
£91
easyJet
5 Mar
LIS11:30Lisbon Humberto Delgado
7h 50m
1 stop
BHD19:20Belfast City
11 Mar
BHD07:25Belfast City
10h 35m
1 stop
LIS18:00Lisbon Humberto Delgado
£95
easyJet
18 Mar
LIS19:50Lisbon Humberto Delgado
14h 15m
1 stop
BFS10:05Belfast Intl
25 Mar
BFS17:30Belfast Intl
15h 15m
1 stop
LIS08:45Lisbon Humberto Delgado
£122

Ryanair flights from Portugal to Northern Ireland

Our best Ryanair deals on Portugal to Northern Ireland flight tickets
Ryanair
1 May
OPO14:25Porto
2h 30m
BFS16:55Belfast Intl
4 May
BFS10:30Belfast Intl
2h 30m
OPO13:00Porto
£129
Ryanair
1 May
OPO21:50Porto
10h 10m
1 stop
BFS08:00Belfast Intl
4 May
BFS10:30Belfast Intl
2h 30m
OPO13:00Porto
£135

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 3 February 2026.
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

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 5/3

15:20-22:50

1 stop7h 30m

Belfast Intl

Wed 11/3

07:40-17:15

1 stop9h 35m

£80

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 5/3

11:30-18:20

1 stop6h 50m

Belfast Intl

Wed 11/3

06:00-18:00

1 stop12h 00m

£91

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

Thu 5/3

11:30-19:20

1 stop7h 50m

Belfast City

Wed 11/3

07:25-18:00

1 stop10h 35m

£95

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

Thu 5/3

11:30-19:20

1 stop7h 50m

Belfast City

Wed 11/3

07:25-21:45

1 stop14h 20m

£102

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 1/5

21:50-08:00

1 stop10h 10m

Belfast Intl

Mon 4/5

08:40-20:40

1 stop12h 00m

£118

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 1/5

14:25-16:55

Nonstop2h 30m

Belfast Intl

Mon 4/5

10:30-13:00

Nonstop2h 30m

£129

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 1/5

21:50-08:00

1 stop10h 10m

Belfast Intl

Mon 4/5

10:30-13:00

Nonstop2h 30m

£135

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

Fri 20/2

05:00-21:00

1 stop16h 00m

Belfast City

Sun 22/2

06:30-10:35

1 stop28h 05m

£311

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

Thu 5/3

18:35-07:30

1 stop12h 55m

Belfast City

Wed 11/3

12:40-21:45

2 stops9h 05m

£321

PortoBelfast

OPO - BHD

OPOBHD

Porto

Mon 6/4

19:00-09:20

1 stop14h 20m

Belfast City

Fri 10/4

17:30-10:40

1 stop17h 10m

£332

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

Fastest flight time

2h 30m

Direct flights

Tue and Sat

Airports in Northern Ireland

18 airports
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).
  • 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.

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1 adult
Thu 5/3
Thu 12/3

Find better results for your trip to Northern Ireland

Popular Cities in Northern Ireland

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