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Cheap flights from Portugal to Belfast from £40

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BHD
7 Jan — 14 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portugal to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Portugal to Belfast
Explore the most affordable flight options available from Portugal to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 December 2025.

Fri 26/1221:30LIS - BFS
1 stop10h 35mMultiple Airlines
Thu 1/112:10BFS - LIS
1 stop5h 15mMultiple Airlines
Deal found 5/12£139
Sun 21/1211:15OPO - BHD
1 stop5h 35mKLM
Tue 23/1206:30BHD - OPO
1 stop28h 00mKLM
Deal found 7/12£664
Sun 21/1208:20OPO - BHD
2 stops11h 20mMultiple Airlines
Tue 23/1206:35BHD - OPO
2 stops9h 25mMultiple Airlines
Deal found 7/12£700

Find flight deals from Portugal to Belfast

Keep the following information in mind while searching for Portugal to Belfast flight deals. Data was last updated 8 December 2025.

Round-trip from

£89

One-way from

£40

Popular in

July

Cheapest in

November

Average price

£123
easyJet
  • easyJet
  • 19/1-26/1
  • 2 total stops
  • 21h 20m total
  • Portugal to Belfast
Search Deals
5/2
  • 5/2
  • 1 total stop
  • 9h 30m total
  • Portugal to Belfast
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portugal to Belfast 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 8 December 2025.
Use the filters below to find and compare flights from Portugal to Belfast that are best for you.

Fly from

Portugal

Fly to

Belfast

Route

Depart

Return

Price

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Mon 19/1

06:05-20:15

1 stop14h 10m

Belfast Intl

Mon 26/1

10:30-17:40

1 stop7h 10m

£89

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Fri 16/1

10:30-20:25

1 stop9h 55m

Belfast Intl

Thu 22/1

06:15-12:00

1 stop5h 45m

£115

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Mon 19/1

22:00-21:00

2 stops23h 00m

Belfast Intl

Mon 26/1

07:50-22:40

1 stop14h 50m

£124

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Wed 21/1

19:35-09:20

1 stop13h 45m

Belfast Intl

Wed 28/1

21:00-13:00

1 stop16h 00m

£125

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

Fri 16/1

10:30-16:20

1 stop5h 50m

Belfast City

Thu 22/1

20:00-09:40

1 stop13h 40m

£137

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 1/1

08:55-22:25

2 stops13h 30m

Belfast Intl

Wed 7/1

07:55-19:40

1 stop11h 45m

£152

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 1/1

05:55-07:25

1 stop25h 30m

Belfast Intl

Mon 5/1

07:50-20:25

1 stop12h 35m

£166

PortoBelfast

OPO - BHD

OPOBHD

Porto

Fri 13/3

12:45-20:30

1 stop7h 45m

Belfast City

Thu 19/3

20:00-19:40

1 stop23h 40m

£171

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

Fri 16/1

05:00-16:50

1 stop11h 50m

Belfast City

Thu 22/1

17:20-23:10

1 stop5h 50m

£177

PortoBelfast

OPO - BHD

OPOBHD

Porto

Fri 13/3

21:35-20:30

2 stops22h 55m

Belfast City

Thu 19/3

07:25-17:15

2 stops9h 50m

£177

Flights are sorted by cheapest return flights first.

Deals found on 6/12

Showing 1-10 of 46 results
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Best time to book a flight from Portugal to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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 Belfast

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

Currently, February is the cheapest month in which you can book a flight from Portugal to Belfast (average of £32). Flying from Portugal to Belfast in August is currently the most expensive (average of £320). 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 BFS?

Find hourly flight availability from Portugal to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 December 2025.

When flying from Portugal to Belfast, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 45% versus a flight in the morning.

Related info for your journey

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

    For as low as £177, easyJet can have you in Belfast from Portugal in 11h 50m. Airlines will cover a distance of 1104 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Ryanair. According to our data, you can fly for as low as £13. Users have also found prices from £25 and £31 on easyJet and Jet2, respectively.

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

    When deciding which route to take from Portugal to Belfast consider Lisbon Humberto Delgado - Belfast Intl, Lisbon Humberto Delgado - Belfast City or Porto - Belfast Intl as they are the most popular.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Portugal to Belfast (average of £32). Flying from Portugal to Belfast in August is currently the most expensive (average of £320). 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

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Fly with Cheapflights

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How does Cheapflights help users find flights from Portugal to Belfast?

When you search for this flight from Portugal to Belfast, 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 Portugal to Belfast?

Cheapflights helps you find that perfect flight to Belfast from Portugal by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

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Of course! You can now track prices for flights from Portugal to Belfast 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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