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Cheap flights from Portugal to Northern Ireland from £59

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BFS
3 Apr — 10 Apr1
1 adult

Cheap flight deals from Portugal to Northern Ireland

Keep the following information in mind while searching for Portugal to Northern Ireland flight deals. Data was last updated 29 March 2025.

Round-trip from

£59

Popular in

September

Cheapest in

February

Average price

£103

Good round-trip deal

£76 or less

Good one-way deal

£32 or less
Ryanair
  • Ryanair
  • 10/5-28/5
  • Nonstop
  • 5h 00m total
  • Portugal to Northern Ireland
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Portugal to Northern Ireland.
Search Deals
Price to beat on a one-way flight from Portugal to Northern Ireland.
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Find flight deals from Portugal to Northern Ireland

Cheapest flights from Portugal to Northern Ireland
Explore the most affordable flight options available from Portugal to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 March 2025.

Sat 10/513:30OPO - BFS
Nonstop2h 30mRyanair
Wed 28/511:10BFS - OPO
Nonstop2h 30mRyanair
Deal found 27/3£59
Sat 10/521:50OPO - BFS
1 stop10h 10mMultiple Airlines
Wed 28/511:10BFS - OPO
Nonstop2h 30mMultiple Airlines
Deal found 27/3£96
Thu 8/515:40LIS - BFS
1 stop18h 20mMultiple Airlines
Wed 14/507:25BFS - LIS
1 stop13h 15mMultiple Airlines
Deal found 28/3£112
Thu 8/522:10LIS - BHD
2 stops22h 40mMultiple Airlines
Wed 14/506:50BHD - LIS
2 stops14h 40mMultiple Airlines
Deal found 28/3£182
Tue 13/522:00OPO - BHD
2 stops18h 25mMultiple Airlines
Tue 20/510:40BHD - OPO
2 stops32h 05mMultiple Airlines
Deal found 27/3£188
Thu 8/507:00LIS - BHD
1 stop7h 40measyJet
Wed 14/507:05BHD - LIS
1 stop11h 35measyJet
Deal found 28/3£188
Tue 13/506:20OPO - BHD
1 stop14h 05measyJet
Tue 20/512:35BHD - OPO
1 stop20h 10measyJet
Deal found 27/3£196
Tue 27/505:00LIS - BHD
1 stop16h 15mKLM
Thu 19/606:30BHD - LIS
1 stop16h 20mKLM
Deal found 29/3£216
Thu 8/515:45LIS - BFS
2 stops7h 10measyJet
Wed 14/506:10BFS - LIS
1 stop6h 45measyJet
Deal found 28/3£243
Sun 17/805:00OPO - BHD
1 stop16h 15mKLM
Thu 21/817:25BHD - OPO
1 stop17h 15mKLM
Deal found 28/3£363
Sat 31/511:00LIS - BHD
1 stop7h 15mBritish Airways
Sat 7/609:35BHD - LIS
2 stops13h 50mBritish Airways
Deal found 28/3£638
Sat 31/511:25LIS - BHD
2 stops29h 00mAer Lingus
Sat 7/617:20BHD - LIS
2 stops28h 15mAer Lingus
Deal found 29/3£670

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 29 March 2025.
Use the filters below to find and compare flights from Portugal to Northern Ireland that are best for you.

Fly from

Portugal

Fly to

Northern Ireland

Route

Depart

Return

Price

PortoBelfast

OPO - BFS

OPOBFS

Porto

Sat 10/5

13:30-16:00

Nonstop2h 30m

Belfast Intl

Wed 28/5

11:10-13:40

Nonstop2h 30m

£59

PortoBelfast

OPO - BFS

OPOBFS

Porto

Sat 10/5

21:50-08:00

1 stop10h 10m

Belfast Intl

Wed 28/5

11:10-13:40

Nonstop2h 30m

£96

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 8/5

15:40-10:00

1 stop18h 20m

Belfast Intl

Wed 14/5

07:25-20:40

1 stop13h 15m

£112

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

Thu 8/5

22:10-20:50

2 stops22h 40m

Belfast City

Wed 14/5

06:50-21:30

2 stops14h 40m

£182

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

Thu 8/5

07:00-14:40

1 stop7h 40m

Belfast City

Wed 14/5

07:05-18:40

1 stop11h 35m

£188

PortoBelfast

OPO - BHD

OPOBHD

Porto

Tue 13/5

22:00-16:25

2 stops18h 25m

Belfast City

Tue 20/5

10:40-18:45

2 stops32h 05m

£188

PortoBelfast

OPO - BHD

OPOBHD

Porto

Tue 13/5

06:20-20:25

1 stop14h 05m

Belfast City

Tue 20/5

12:35-08:45

1 stop20h 10m

£196

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

Tue 27/5

05:00-21:15

1 stop16h 15m

Belfast City

Thu 19/6

06:30-22:50

1 stop16h 20m

£216

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 8/5

15:45-22:55

2 stops7h 10m

Belfast Intl

Wed 14/5

06:10-12:55

1 stop6h 45m

£243

PortoBelfast

OPO - BHD

OPOBHD

Porto

Sun 17/8

05:00-21:15

1 stop16h 15m

Belfast City

Thu 21/8

17:25-10:40

1 stop17h 15m

£363

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 23 results
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Best time to book a flight from Portugal to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Portugal 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 Portugal to Northern Ireland

What is the cheapest month to book a flight from Portugal to Northern Ireland?

Currently, January is the cheapest month in which you can book a flight from Portugal to Northern Ireland (average of £67). Flying from Portugal to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PT to NIR?

Find hourly flight availability from Portugal to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 March 2025.

When flying from Portugal to Northern Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 29 March 2025.
Peruse reviews from past customers who have flown with KLM, Aer Lingus and Iberia from Portugal to Northern Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,321 reviews
Check prices

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,321 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Aer Lingus
7.0
Good
1,062 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Iberia
7.0
Good
2,651 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
easyJet
6.9
Okay
1,793 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Ryanair
6.8
Okay
5,006 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Portugal 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 are the cheapest airlines to fly from Portugal to Northern Ireland one-way?

    The cheapest airline one-way is easyJet, with whom users have recently found tickets for as low as £84. However, be on the lookout for offers from Ryanair and KLM, as they are both options that can get you from Portugal to Northern Ireland for a low price.

  • Can I find deals for flights from Portugal to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Portugal to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Northern Ireland.

  • Can I find deals for business class flights from Portugal to Northern Ireland?

    Yes. Cheapflights offers flight deals from Portugal 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.

  • What is the cheapest month to book a flight from Portugal to Northern Ireland?

    Currently, January is the cheapest month in which you can book a flight from Portugal to Northern Ireland (average of £67). Flying from Portugal to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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Fly with Cheapflights

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

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Why should you use Cheapflights to find cheap flight tickets from Portugal to Northern Ireland?

Cheapflights simply makes it quick and affordable to book flights from Portugal to Northern Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portugal to Northern Ireland with no change fees?

Yes! Cheapflights helps users easily find flights from Portugal to Northern Ireland with no change fees.

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Of course! You can now track prices for flights from Portugal to Northern Ireland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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