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Cheap flights from Northern Ireland to Portugal from £23

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LIS
4 Feb — 11 Feb1
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 5 January 2026.

Thu 19/216:15BFS - FAO
Nonstop3h 05measyJet
Sat 28/210:45FAO - BFS
Nonstop3h 10measyJet
Deal found 2/1£45
Thu 26/216:15BFS - FAO
Nonstop3h 05measyJet
Thu 5/320:05FAO - BFS
Nonstop3h 05measyJet
Deal found 2/1£47
Mon 16/210:50BFS - FAO
Nonstop3h 05mRyanair
Thu 19/208:40FAO - BFS
Nonstop3h 05mRyanair
Deal found 2/1£55
Thu 5/212:10BFS - FAO
Nonstop3h 05mRyanair
Mon 9/207:20FAO - BFS
Nonstop3h 05mRyanair
Deal found 3/1£56
Thu 19/212:10BFS - FAO
Nonstop3h 05mMultiple Airlines
Sat 28/210:45FAO - BFS
Nonstop3h 10mMultiple Airlines
Deal found 4/1£59
Wed 29/419:55BFS - FAO
Nonstop3h 05measyJet
Thu 7/520:05FAO - BFS
Nonstop3h 05measyJet
Deal found 3/1£61
Wed 29/419:55BFS - FAO
Nonstop3h 05measyJet
Sat 9/507:00FAO - BFS
Nonstop3h 05measyJet
Deal found 3/1£68
Wed 29/419:55BFS - FAO
Nonstop3h 05measyJet
Fri 8/509:40FAO - BFS
Nonstop3h 05measyJet
Deal found 3/1£68
Sat 25/416:45BFS - FAO
Nonstop3h 05measyJet
Tue 28/409:40FAO - BFS
Nonstop3h 05measyJet
Deal found 3/1£69
Tue 24/208:10BFS - LIS
1 stop9h 35measyJet
Sat 28/219:35LIS - BFS
1 stop12h 50measyJet
Deal found 4/1£79
Sun 8/210:45BFS - OPO
1 stop9h 50measyJet
Mon 9/218:30OPO - BFS
1 stop13h 50measyJet
Deal found 2/1£94
Wed 25/213:55BFS - OPO
1 stop6h 15mMultiple Airlines
Sat 28/210:35OPO - BFS
1 stop10h 15mMultiple Airlines
Deal found 4/1£100

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 5 January 2026.

Round-trip from

£46

One-way from

£23

Popular in

July

Cheapest in

January

Average price

£59

Good round-trip deal

£73 or less

Good one-way deal

£40 or less
easyJet
  • easyJet
  • 19/2-28/2
  • Nonstop
  • 6h 15m total
  • Northern Ireland to Portugal
Search Deals
easyJet
  • easyJet
  • 6/4
  • Nonstop
  • 3h 05m total
  • Northern Ireland to Portugal
Search Deals
Highest demand for flights based on searches. 36% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Northern Ireland to Portugal.
Search Deals
Price to beat on a one-way flight from Northern Ireland to Portugal.
Search Deals

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 5 January 2026.
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 19/2

16:15-19:20

Nonstop3h 05m

Faro

Sat 28/2

10:45-13:55

Nonstop3h 10m

£47

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Thu 26/2

16:15-19:20

Nonstop3h 05m

Faro

Thu 5/3

20:05-23:10

Nonstop3h 05m

£58

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Thu 19/2

12:10-15:15

Nonstop3h 05m

Faro

Sat 28/2

10:45-13:55

Nonstop3h 10m

£59

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Wed 29/4

19:55-23:00

Nonstop3h 05m

Faro

Thu 7/5

20:05-23:10

Nonstop3h 05m

£61

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Wed 29/4

19:55-23:00

Nonstop3h 05m

Faro

Wed 6/5

09:50-12:55

Nonstop3h 05m

£61

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Thu 19/2

16:15-19:20

Nonstop3h 05m

Faro

Wed 25/2

10:45-22:35

1 stop11h 50m

£66

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Wed 29/4

19:55-23:00

Nonstop3h 05m

Faro

Sat 9/5

07:00-10:05

Nonstop3h 05m

£68

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Tue 5/5

16:55-20:00

Nonstop3h 05m

Faro

Thu 7/5

20:05-23:10

Nonstop3h 05m

£77

BelfastLisbon

BFS - LIS

BFSLIS

Belfast Intl

Tue 24/2

08:10-17:45

1 stop9h 35m

Lisbon Humberto Delgado

Sat 28/2

19:35-08:25

1 stop12h 50m

£79

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Thu 19/2

21:00-09:00

1 stop12h 00m

Faro

Thu 26/2

11:20-18:20

1 stop7h 00m

£79

Flights are sorted by cheapest return flights first.

Deals found on 3/1

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, 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 £137). 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 5 January 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 at midday, which can drop the price by up to 46% 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 easyJet fly from Northern Ireland to Portugal in about 3h 05m. 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 Ryanair, with whom users have recently found tickets for as low as £14. However, be on the lookout for offers from Jet2 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, 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 £137). 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.
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Top 5 airlines flying from Northern Ireland to Portugal

Discover the top 5 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 5 January 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£35Average£143FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£36Average£107FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£73Average£236FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Jet2Cheapest£75Average£305FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
KLMCheapest£147Average£234FlexibilityNo cancel feeOn-time75%
Search KLM 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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