Cheap flights from Northern Ireland to Portugal from £29

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LIS
21 May — 28 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Portugal

Enter your travel dates to find the best prices.

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 21 April 2026.

Mon 1/610:30
BFS
-
OPO
Nonstop2h 30m
Ryanair
Mon 8/607:15
OPO
-
BFS
Nonstop2h 30m
Ryanair
Deal found 21/4£61
Mon 1/610:30
BFS
-
OPO
Nonstop2h 30m
Ryanair
Mon 22/607:15
OPO
-
BFS
Nonstop2h 30m
Ryanair
Deal found 21/4£67
Tue 21/420:10
BFS
-
FAO
Nonstop3h 00m
Ryanair
Tue 28/416:40
FAO
-
BFS
Nonstop3h 05m
Ryanair
Deal found 16/4£67
Sat 25/406:10
BFS
-
FAO
Nonstop3h 10m
easyJet
Sat 2/507:05
FAO
-
BFS
Nonstop3h 05m
easyJet
Deal found 20/4£69
Mon 27/417:35
BFS
-
FAO
Nonstop3h 00m
Multiple Airlines
Sat 2/508:20
FAO
-
BFS
1 stop15h 00m
Multiple Airlines
Deal found 16/4£70
Tue 5/520:10
BFS
-
FAO
Nonstop3h 00m
Ryanair
Fri 22/515:05
FAO
-
BFS
Nonstop3h 05m
Ryanair
Deal found 18/4£70
Tue 16/620:10
BFS
-
FAO
Nonstop3h 00m
Ryanair
Fri 19/615:05
FAO
-
BFS
Nonstop3h 05m
Ryanair
Deal found 21/4£71
Sun 26/407:20
BFS
-
FAO
Nonstop3h 00m
Multiple Airlines
Tue 28/406:05
FAO
-
BFS
1 stop10h 10m
Multiple Airlines
Deal found 18/4£72
Fri 24/419:20
BFS
-
FAO
Nonstop3h 00m
Ryanair
Fri 1/515:05
FAO
-
BFS
Nonstop3h 05m
Ryanair
Deal found 19/4£73
Sun 26/407:20
BFS
-
FAO
Nonstop3h 00m
Jet2
Tue 28/411:05
FAO
-
BFS
Nonstop3h 20m
Jet2
Deal found 18/4£75
Mon 20/421:55
BFS
-
FAO
1 stop12h 10m
Multiple Airlines
Fri 24/415:05
FAO
-
BFS
Nonstop3h 05m
Multiple Airlines
Deal found 16/4£78
Fri 28/819:20
BFS
-
FAO
Nonstop3h 00m
Ryanair
Fri 4/915:05
FAO
-
BFS
Nonstop3h 05m
Ryanair
Deal found 18/4£78

Find 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 21 April 2026.

Round-trip from

£61

One-way from

£29

Popular in

July

Cheapest in

January

Average price

£136

Good round-trip deal

£123 or less

Good one-way deal

£31 or less
Ryanair
  • Ryanair
  • 1/6-8/6
  • Nonstop
  • 5h 00m total
  • Northern Ireland to Portugal
Ryanair
  • Ryanair
  • 18/5
  • Nonstop
  • 3h 00m total
  • Northern Ireland to Portugal
Highest demand for flights based on searches. 36% potential increase in price (£54 potential increase over avg. return price).
Cheapest flight prices on average. 10% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Northern Ireland to Portugal.
Price to beat on a one-way flight from Northern Ireland to Portugal.

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 21 April 2026.
Use the filters below to find and compare flights from Northern Ireland to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Tue 16/6

20:10-23:10

Nonstop3h 00m

Faro

Fri 19/6

15:05-18:10

Nonstop3h 05m

£71

BelfastLisbon

BFS - LIS

BFSLIS

Belfast Intl

Mon 8/6

08:40-21:05

1 stop12h 25m

Lisbon Humberto Delgado

Thu 11/6

05:55-17:55

1 stop12h 00m

£84

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Fri 21/8

19:20-22:20

Nonstop3h 00m

Faro

Tue 1/9

16:40-19:45

Nonstop3h 05m

£86

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 1/6

09:15-20:25

1 stop11h 10m

Porto

Mon 8/6

07:15-09:45

Nonstop2h 30m

£90

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Tue 16/6

08:00-20:10

1 stop12h 10m

Faro

Fri 19/6

07:30-23:00

1 stop15h 30m

£92
Fastest return journey

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 15/5

17:20-19:50

Nonstop2h 30m

Porto

Mon 18/5

07:15-09:45

Nonstop2h 30m

£94

BelfastLisbon

BFS - LIS

BFSLIS

Belfast Intl

Tue 5/5

07:35-23:00

1 stop15h 25m

Lisbon Humberto Delgado

Fri 15/5

21:40-10:45

1 stop13h 05m

£94

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Thu 7/5

16:45-19:50

Nonstop3h 05m

Faro

Thu 14/5

20:25-23:30

Nonstop3h 05m

£96

BelfastFunchal

BFS - FNC

BFSFNC

Belfast Intl

Tue 2/6

23:30-15:25

1 stop15h 55m

Funchal Madeira

Tue 9/6

17:00-07:05

1 stop14h 05m

£104

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 15/5

19:55-18:55

2 stops23h 00m

Porto

Mon 18/5

07:15-09:45

Nonstop2h 30m

£111

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Northern Ireland to Portugal (average of £13). Flying from Northern Ireland to Portugal in July is currently the most expensive (average of £79). 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 21 April 2026.

When flying from Northern Ireland to Portugal, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 17% versus a flight in the morning.

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 fly from Northern Ireland to Portugal in about 3h. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 1221 mi. Generally, flights for this route are direct.

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

    The cheapest airline one-way is Jet2, with whom users have recently found tickets for as low as £26. However, be on the lookout for offers from Ryanair and easyJet, 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, November is the cheapest month in which you can book a flight from Northern Ireland to Portugal (average of £13). Flying from Northern Ireland to Portugal in July is currently the most expensive (average of £79). 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.

Alternative routes for Northern Ireland to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Northern Ireland to Portugal

Discover the top 4 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 21 April 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£35Average£142FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£36Average£112FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£66Average£180FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Jet2Cheapest£75Average£313FlexibilityNo cancel feeOn-timeN/A
Search Jet2 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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