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Cheap flights from Portugal to Belfast from £31

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BHD
31 Aug — 7 Sep1
1 adult

Cheap flight deals from Portugal to Belfast

Keep the following information in mind while searching for Portugal to Belfast flight deals. Data was last updated 26 August 2025.

Round-trip from

£105

One-way from

£31

Popular in

September

Cheapest in

February
easyJet
  • easyJet
  • 16/10-22/10
  • 2 total stops
  • 22h 50m total
  • Portugal to Belfast
Search Deals
Ryanair
  • Ryanair
  • 10/9
  • Nonstop
  • 2h 30m total
  • Portugal to Belfast
Search Deals
Highest demand for flights based on searches. 44% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (£10 potential savings vs. average return price).
Search Deals

Find flight deals from Portugal to Belfast

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 26 August 2025.

Thu 16/1018:55LIS - BFS
1 stop13h 25measyJet
Wed 22/1009:35BFS - LIS
1 stop9h 25measyJet
Deal found 24/8£105
Wed 8/1021:30LIS - BFS
1 stop11h 00measyJet
Wed 15/1007:00BFS - LIS
1 stop14h 00measyJet
Deal found 24/8£110
Thu 16/1018:10LIS - BFS
1 stop15h 50mMultiple Airlines
Wed 22/1006:10BFS - LIS
2 stops15h 20mMultiple Airlines
Deal found 25/8£125
Thu 9/1018:10LIS - BFS
1 stop15h 50mMultiple Airlines
Thu 16/1006:35BFS - LIS
1 stop11h 10mMultiple Airlines
Deal found 25/8£127
Thu 9/1016:00OPO - BFS
2 stops22h 30mMultiple Airlines
Thu 16/1009:25BFS - OPO
1 stop11h 25mMultiple Airlines
Deal found 25/8£139
Wed 8/1021:30LIS - BFS
1 stop11h 00mMultiple Airlines
Wed 15/1017:20BFS - LIS
2 stops27h 40mMultiple Airlines
Deal found 24/8£143
Wed 3/922:40OPO - BFS
1 stop10h 20mMultiple Airlines
Fri 26/921:40BFS - OPO
1 stop11h 10mMultiple Airlines
Deal found 24/8£154
Thu 16/1007:00LIS - BHD
1 stop12h 35measyJet
Wed 22/1014:20BHD - LIS
1 stop7h 55measyJet
Deal found 25/8£159
Thu 16/1007:00LIS - BHD
1 stop12h 35mMultiple Airlines
Wed 22/1017:40BHD - LIS
2 stops26h 55mMultiple Airlines
Deal found 24/8£180
Thu 20/1106:40OPO - BHD
1 stop9h 25mMultiple Airlines
Fri 21/1106:50BHD - OPO
1 stop4h 45mMultiple Airlines
Deal found 23/8£195
Wed 3/914:05OPO - BFS
Nonstop2h 30mRyanair
Fri 26/921:40BFS - OPO
1 stop11h 10mRyanair
Deal found 24/8£196
Sat 30/813:30OPO - BFS
Nonstop2h 30mMultiple Airlines
Wed 3/921:45BFS - OPO
1 stop24h 05mMultiple Airlines
Deal found 25/8£207

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 26 August 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

Thu 16/10

18:55-08:20

1 stop13h 25m

Belfast Intl

Wed 22/10

09:35-19:00

1 stop9h 25m

£105

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Wed 8/10

21:30-08:30

1 stop11h 00m

Belfast Intl

Wed 15/10

07:00-21:00

1 stop14h 00m

£110

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 16/10

10:05-22:00

1 stop11h 55m

Belfast Intl

Wed 22/10

06:10-21:30

2 stops15h 20m

£125

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 9/10

18:10-10:00

1 stop15h 50m

Belfast Intl

Thu 16/10

06:35-17:45

1 stop11h 10m

£127

PortoBelfast

OPO - BFS

OPOBFS

Porto

Thu 9/10

16:00-14:30

2 stops22h 30m

Belfast Intl

Thu 16/10

09:25-20:50

1 stop11h 25m

£139

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Wed 8/10

21:30-08:30

1 stop11h 00m

Belfast Intl

Wed 15/10

17:20-21:00

2 stops27h 40m

£143

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

Thu 16/10

07:00-19:35

1 stop12h 35m

Belfast City

Wed 22/10

14:20-22:15

1 stop7h 55m

£159

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

Thu 16/10

07:00-19:35

1 stop12h 35m

Belfast City

Wed 22/10

17:40-20:35

2 stops26h 55m

£180

PortoBelfast

OPO - BHD

OPOBHD

Porto

Thu 20/11

06:40-16:05

1 stop9h 25m

Belfast City

Fri 21/11

06:50-11:35

1 stop4h 45m

£195

LisbonBelfast

LIS - BHD

LISBHD

Lisbon Humberto Delgado

Sun 23/11

12:55-20:30

1 stop7h 35m

Belfast City

Mon 24/11

14:40-21:45

1 stop7h 05m

£247

Flights are sorted by cheapest return flights first.

Deals found on 24/8

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, January is the cheapest month in which you can book a flight from Portugal to Belfast (average of £67). Flying from Portugal to Belfast in July is currently the most expensive (average of £90). 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 26 August 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 20% versus a flight at midday.

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 £105, easyJet can have you in Belfast from Portugal in 13h 25m. Airlines will cover a distance of 1105 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 £31. Users have also found prices from £51 and £116 on easyJet and KLM, respectively.

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

    When deciding which route to take from Portugal to Belfast consider Porto - Belfast Intl, Lisbon Humberto Delgado - Belfast Intl or Porto - Belfast City 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, January is the cheapest month in which you can book a flight from Portugal to Belfast (average of £67). Flying from Portugal to Belfast in July is currently the most expensive (average of £90). 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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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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