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Cheap flights from Northern Ireland to Portugal from £17

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LIS
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Northern Ireland to Portugal

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

Round-trip from

£71

One-way from

£17

Popular in

July

Cheapest in

January

Average price

£165

Good round-trip deal

£104 or less

Good one-way deal

£67 or less
Ryanair
  • Ryanair
  • 13/11-21/11
  • Nonstop
  • 6h 10m total
  • Northern Ireland to Portugal
Search Deals
Ryanair
  • Ryanair
  • 16/9
  • Nonstop
  • 3h 00m total
  • Northern Ireland to Portugal
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Northern Ireland to Portugal.
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Price to beat on a one-way flight from Northern Ireland to Portugal.
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Find flight deals from Northern Ireland to Portugal

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

Thu 13/1119:10BFS - FAO
Nonstop3h 05mRyanair
Fri 21/1106:30FAO - BFS
Nonstop3h 05mRyanair
Deal found 27/8£71
Sun 7/916:20BFS - FAO
Nonstop3h 00mMultiple Airlines
Wed 17/908:45FAO - BFS
Nonstop3h 05mMultiple Airlines
Deal found 28/8£72
Sun 16/1107:10BFS - FAO
1 stop10h 15measyJet
Mon 24/1119:30FAO - BFS
1 stop12h 50measyJet
Deal found 27/8£73
Sat 4/1010:35BFS - OPO
Nonstop2h 30mRyanair
Wed 22/1014:05OPO - BFS
Nonstop2h 30mRyanair
Deal found 28/8£74
Fri 12/917:25BFS - FAO
Nonstop3h 00mRyanair
Wed 17/908:45FAO - BFS
Nonstop3h 05mRyanair
Deal found 28/8£74
Sun 12/1022:10BFS - FAO
1 stop11h 25measyJet
Wed 15/1007:00FAO - BFS
Nonstop3h 05measyJet
Deal found 28/8£75
Wed 17/912:15BFS - FAO
Nonstop3h 00mRyanair
Fri 17/1013:40FAO - BFS
Nonstop3h 05mRyanair
Deal found 28/8£76
Tue 2/917:10BFS - FAO
Nonstop3h 00mRyanair
Wed 3/908:45FAO - BFS
Nonstop3h 05mRyanair
Deal found 27/8£78
Thu 13/1119:10BFS - FAO
Nonstop3h 05mRyanair
Thu 27/1115:40FAO - BFS
Nonstop3h 05mRyanair
Deal found 27/8£78
Sun 5/1016:40BFS - FAO
Nonstop3h 05measyJet
Wed 8/1007:00FAO - BFS
Nonstop3h 05measyJet
Deal found 27/8£79
Sat 27/910:35BFS - OPO
Nonstop2h 30mRyanair
Sat 4/1013:30OPO - BFS
Nonstop2h 30mRyanair
Deal found 26/8£80
Fri 5/917:25BFS - FAO
Nonstop3h 00mRyanair
Wed 10/908:45FAO - BFS
Nonstop3h 05mRyanair
Deal found 28/8£80

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Portugal 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 August 2025.
Use the filters below to find and compare flights from Northern Ireland to Portugal that are best for you.

Fly from

Northern Ireland

Fly to

Portugal

Route

Depart

Return

Price

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Thu 13/11

19:10-22:15

Nonstop3h 05m

Faro

Fri 21/11

06:30-09:35

Nonstop3h 05m

£71

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Wed 26/11

18:25-16:55

1 stop22h 30m

Faro

Sat 6/12

20:45-08:25

1 stop11h 40m

£71

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Sun 16/11

07:10-17:25

1 stop10h 15m

Faro

Mon 24/11

19:30-08:20

1 stop12h 50m

£73

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Thu 13/11

19:10-22:15

Nonstop3h 05m

Faro

Mon 24/11

07:20-10:25

Nonstop3h 05m

£73

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Fri 14/11

10:00-13:05

Nonstop3h 05m

Faro

Fri 21/11

06:30-09:35

Nonstop3h 05m

£73

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Mon 17/11

10:50-13:55

Nonstop3h 05m

Faro

Fri 21/11

06:30-09:35

Nonstop3h 05m

£73

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sat 4/10

10:35-13:05

Nonstop2h 30m

Porto

Wed 22/10

14:05-16:35

Nonstop2h 30m

£74

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Sun 14/9

16:20-19:20

Nonstop3h 00m

Faro

Fri 17/10

13:40-16:45

Nonstop3h 05m

£74

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Sat 15/11

07:10-10:15

Nonstop3h 05m

Faro

Thu 27/11

15:40-18:45

Nonstop3h 05m

£74

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Mon 17/11

10:50-13:55

Nonstop3h 05m

Faro

Mon 24/11

07:20-10:25

Nonstop3h 05m

£74

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Showing 1-10 of 60 results
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Best time to book a flight from Northern Ireland to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Portugal (average of £101). Flying from Northern Ireland to Portugal in August is currently the most expensive (average of £274). 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 NIR to PT?

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Northern Ireland to Portugal as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like Ryanair and easyJet fly from Northern Ireland to Portugal in about 2h 30m. The time it takes to get you to your destination can typically vary by up to 7h 45m. Airlines will cover a distance of 933 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Northern Ireland to Portugal one-way?

    The cheapest airline one-way is Ryanair, with whom users have recently found tickets for as low as £17. However, be on the lookout for offers from easyJet and Ryanair, as they are both options that can get you from Northern Ireland to Portugal for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland to Portugal 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 Northern Ireland to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Portugal (average of £101). Flying from Northern Ireland to Portugal in August is currently the most expensive (average of £274). 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

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Top 6 airlines flying from Northern Ireland to Portugal

Discover the top 6 airlines that operate flights from Northern Ireland to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£35Average£144FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£42Average£120FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Jet2Cheapest£78Average£285FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
easyJetCheapest£80Average£232FlexibilityNo cancel feeOn-time86%
Search easyJet flights
KLMCheapest£147Average£222FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£179Average£335FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Northern Ireland to Portugal, 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.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Northern Ireland to Portugal 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 Northern Ireland to Portugal with no change fees?

Certainly. Search results for flights to Portugal from Northern Ireland 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 Northern Ireland to Portugal become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portugal from Northern Ireland today and book when prices fit your budget.

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