Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Belfast Intl Airport to Portugal from £15

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LIS
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Belfast Intl to Portugal

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Portugal
Explore the most affordable flight options available from Belfast Intl to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2025.

Fri 5/1210:00BFS - FAO
Nonstop3h 05mRyanair
Thu 11/1208:40FAO - BFS
Nonstop3h 05mRyanair
Deal found 19/11£31
Mon 8/1210:50BFS - FAO
Nonstop3h 05mRyanair
Mon 15/1207:20FAO - BFS
Nonstop3h 05mRyanair
Deal found 20/11£33
Fri 28/1110:00BFS - FAO
Nonstop3h 05mRyanair
Mon 1/1207:20FAO - BFS
Nonstop3h 05mRyanair
Deal found 19/11£34
Fri 5/1210:00BFS - FAO
Nonstop3h 05mRyanair
Mon 8/1207:20FAO - BFS
Nonstop3h 05mRyanair
Deal found 20/11£41
Fri 12/1210:00BFS - FAO
Nonstop3h 05mRyanair
Mon 15/1207:20FAO - BFS
Nonstop3h 05mRyanair
Deal found 20/11£43
Thu 4/1212:10BFS - FAO
Nonstop3h 05mRyanair
Mon 8/1207:20FAO - BFS
Nonstop3h 05mRyanair
Deal found 20/11£44
Fri 5/1210:00BFS - FAO
Nonstop3h 05mMultiple Airlines
Thu 11/1207:50FAO - BFS
1 stop7h 40mMultiple Airlines
Deal found 19/11£65
Mon 8/1207:15BFS - FAO
1 stop12h 55mMultiple Airlines
Mon 15/1207:20FAO - BFS
Nonstop3h 05mMultiple Airlines
Deal found 20/11£69
Thu 4/1212:10BFS - FAO
Nonstop3h 05mMultiple Airlines
Mon 8/1209:10FAO - BFS
1 stop15h 15mMultiple Airlines
Deal found 20/11£71
Sat 29/1122:25BFS - LIS
1 stop11h 10mMultiple Airlines
Tue 2/1221:05LIS - BFS
1 stop13h 40mMultiple Airlines
Deal found 19/11£115
Mon 15/1207:20BFS - FNC
Nonstop4h 00mMultiple Airlines
Thu 18/1210:00FNC - BFS
2 stops23h 35mMultiple Airlines
Deal found 19/11£129
Fri 19/1205:45BFS - OPO
1 stop15h 00mMultiple Airlines
Fri 26/1221:10OPO - BFS
1 stop10h 55mMultiple Airlines
Deal found 18/11£142

Cheap flight deals from Belfast Intl to Portugal

Keep the following information in mind while searching for Belfast Intl to Portugal flight deals. Data was last updated 21 November 2025.

Round-trip from

£31

One-way from

£15

Popular in

July

Cheapest in

January

Average price

£77

Good round-trip deal

£89 or less
Ryanair
  • Ryanair
  • 5/12-11/12
  • Nonstop
  • 6h 10m total
  • Belfast to Portugal
Search Deals
Ryanair
  • Ryanair
  • 15/12
  • Nonstop
  • 3h 05m total
  • Belfast to Portugal
Search Deals
Highest demand for flights based on searches. 36% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Belfast Intl to Portugal.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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 November 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Portugal that are best for you.

Fly from

Belfast Intl

Fly to

Portugal

Route

Depart

Return

Price

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Fri 5/12

10:00-13:05

Nonstop3h 05m

Faro

Thu 11/12

08:40-11:45

Nonstop3h 05m

£31

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Mon 8/12

10:50-13:55

Nonstop3h 05m

Faro

Mon 15/12

07:20-10:25

Nonstop3h 05m

£33

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Fri 5/12

10:00-13:05

Nonstop3h 05m

Faro

Mon 8/12

07:20-10:25

Nonstop3h 05m

£41

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Thu 4/12

12:10-15:15

Nonstop3h 05m

Faro

Mon 8/12

07:20-10:25

Nonstop3h 05m

£44

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Fri 6/2

21:20-09:15

1 stop11h 55m

Faro

Tue 10/2

19:05-22:20

Nonstop3h 15m

£60

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Mon 8/12

07:15-20:10

1 stop12h 55m

Faro

Mon 15/12

07:20-10:25

Nonstop3h 05m

£69

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Thu 4/12

12:10-15:15

Nonstop3h 05m

Faro

Mon 8/12

09:10-00:25

1 stop15h 15m

£71

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Tue 10/2

20:55-09:55

1 stop13h 00m

Faro

Tue 17/2

19:05-22:20

Nonstop3h 15m

£74

BelfastFaro

BFS - FAO

BFSFAO

Belfast Intl

Tue 10/2

20:55-09:55

1 stop13h 00m

Faro

Sat 14/2

10:00-20:50

1 stop10h 50m

£82

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 23/1

21:20-10:10

1 stop12h 50m

Porto

Mon 26/1

10:15-20:40

1 stop10h 25m

£96

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 44 results
1
2
3
...
5

Best time to book a flight from Belfast Intl to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Belfast Intl 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 Belfast Intl Airport to Portugal

What is the cheapest month to book a flight from Belfast Intl Airport to Portugal?

Currently, November is the cheapest month in which you can book a flight from Belfast Intl Airport to Portugal (average of £14). Flying from Belfast Intl Airport to Portugal in July is currently the most expensive (average of £142). 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 BFS to PT?

Find hourly flight availability from Belfast Intl 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 November 2025.

A simple way to save on the total cost of your ticket is to fly from Belfast Intl Airport to Portugal at midday. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Belfast Intl Airport to Portugal?

Use this chart to determine the cheapest time to fly return from Belfast Intl to Portugal. Price data was last updated on 2 November 2025.

Travellers seeking maximum savings on their Belfast Intl Airport to Portugal flight should consider departing on Wednesday at midday when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 9% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 106 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the past year, Jet2 have had the lowest number of delays on this route, with just 5% of flights being delayed.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated 21 November 2025.
Read reviews from past customers who have flown with Jet2, KLM, andeasyJet from Belfast Intl Airport to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jet2
8.3
Very Good
177 reviews
Check prices

Comfort

7.7

Entertainment

6.2

Food

7.3

Crew

8.8

Boarding

8.1

Overall

8.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
Jet2
8.3
Very Good
177 reviews
Jet2
8.3
Very Good
177 reviews
Check prices

Comfort

7.7

Entertainment

6.2

Food

7.3

Crew

8.8

Boarding

8.1

Overall

8.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
KLM
7.7
Good
1,414 reviews
Jet2
8.3
Very Good
177 reviews
Check prices

Comfort

7.7

Entertainment

6.2

Food

7.3

Crew

8.8

Boarding

8.1

Overall

8.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
easyJet
6.9
Okay
1,846 reviews
Jet2
8.3
Very Good
177 reviews
Check prices

Comfort

7.7

Entertainment

6.2

Food

7.3

Crew

8.8

Boarding

8.1

Overall

8.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
Ryanair
6.8
Okay
5,196 reviews
Jet2
8.3
Very Good
177 reviews
Check prices

Comfort

7.7

Entertainment

6.2

Food

7.3

Crew

8.8

Boarding

8.1

Overall

8.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
Ryanair
6.3
Okay
Jet2
8.3
Very Good
177 reviews
Check prices

Comfort

7.7

Entertainment

6.2

Food

7.3

Crew

8.8

Boarding

8.1

Overall

8.3

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl 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 Belfast Intl Airport to Portugal?

    A quick flight from Belfast Intl Airport to Portugal can take about 3h 05m. Ryanair provides one of the quickest options available for as low as £31. The distance from Belfast Intl Airport to Portugal is about 1221 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from Belfast Intl Airport to Portugal one-way?

    £15 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on easyJet and Jet2, with prices starting from £27 and £40, respectively.

  • What are the most popular routes from Belfast Intl Airport to Portugal?

    Most travelers choose Belfast Intl - Faro, Belfast Intl - Lisbon Humberto Delgado or Belfast Intl - Porto when deciding on the best route from Belfast Intl Airport to Portugal.

  • Can I find deals for flights from Belfast Intl to Portugal that include hotel bookings?

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

  • How can I find direct flights from Belfast Intl to Portugal?

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

  • Can I find deals for business class flights from Belfast Intl to Portugal?

    Yes. Cheapflights offers flight deals from Belfast Intl 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 Belfast Intl Airport to Portugal?

    Currently, November is the cheapest month in which you can book a flight from Belfast Intl Airport to Portugal (average of £14). Flying from Belfast Intl Airport to Portugal in July is currently the most expensive (average of £142). 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 Belfast Intl to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Gatwick flights
Belfast Intl to Luton flights
Belfast City to Heathrow flights
Belfast Intl to Edinburgh flights
Belfast Intl to Heathrow flights
Belfast Intl to Manchester flights
Belfast City to Gatwick flights
Belfast City to London City flights
Belfast Intl to Stansted flights
Belfast Intl to London City flights
Belfast Intl to Málaga flights
Belfast City to Luton flights
Belfast Intl to Arrecife flights
Belfast City to Stansted flights
Belfast City to Edinburgh flights
Belfast City to Manchester flights
Belfast Intl to Liverpool flights
Belfast Intl to Alicante flights
Belfast Intl to Birmingham flights
Belfast Intl to Granadilla flights
Belfast Intl to Amsterdam flights
Belfast City to Arrecife flights
Belfast City to Amsterdam flights
Belfast City to Málaga flights
Belfast City to Liverpool flights
Belfast Intl to Charles de Gaulle flights
Belfast Intl to Faro flights
Belfast Intl to Glasgow Intl flights
Belfast Intl to Krakow flights
Belfast City to Alicante flights
Belfast Intl to Leeds flights
Belfast Intl to Bristol flights
Belfast City to Krakow flights
Belfast Intl to Geneva flights
Belfast Intl to Larnaca flights
Belfast Intl to Newcastle upon Tyne flights
Belfast City to Istanbul flights
Belfast Intl to Frederic Chopin flights
Belfast City to Glasgow Intl flights
Belfast City to Birmingham flights
Belfast Intl to Istanbul flights
Belfast City to Charles de Gaulle flights
Belfast City to Faro flights
Belfast City to Granadilla flights
Belfast City to Keflavik Intl flights
Belfast Intl to Leonardo da Vinci/Fiumicino flights
Belfast City to Leeds flights
Belfast Intl to Cardiff flights

Top 5 airlines flying from Belfast Intl to Portugal

Discover the top 5 airlines that operate flights from Belfast Intl 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 November 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£36Average£147FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£41Average£110FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£76Average£245FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Jet2Cheapest£78Average£291FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
KLMCheapest£180Average£246FlexibilityNo 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 Belfast Intl to Portugal?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Portugal from Belfast Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Portugal?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast Intl to Portugal for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Belfast Intl to Portugal with no change fees?

Need flexible booking options for your flight to Portugal from Belfast Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Belfast Intl to Portugal become cheaper?

Yes! Start tracking prices for Belfast Intl to Portugal flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.