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Cheap flights from Portugal to Belfast from £43

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BHD
10 Sep — 17 Sep1
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 11 August 2026.

Fri 25/905:55 -
1 stop13h 00m
Mon 28/914:40 -
1 stop9h 15m
Deal found 10/8£89
Thu 24/922:10 -
1 stop9h 40m
Tue 29/917:10 -
1 stop16h 05m
Deal found 11/8£91
Tue 22/922:30 -
1 stop9h 35m
Tue 29/923:30 -
1 stop12h 35m
Deal found 9/8£101
Mon 7/907:15 -
Nonstop2h 30m
Fri 25/917:20 -
Nonstop2h 30m
Deal found 6/8£106
Mon 7/907:15 -
Nonstop2h 30m
Fri 25/915:15 -
1 stop8h 35m
Deal found 6/8£107
Fri 25/922:20 -
2 stops22h 55m
Fri 2/1007:35 -
1 stop13h 30m
Deal found 7/8£110
Mon 21/922:00 -
2 stops12h 00m
Sun 27/919:35 -
2 stops26h 50m
Deal found 6/8£119
Sat 19/915:50 -
1 stop16h 10m
Tue 22/908:50 -
2 stops14h 15m
Deal found 7/8£124
Fri 16/1006:35 -
1 stop12h 05m
Mon 19/1008:45 -
1 stop14h 50m
Deal found 8/8£127
Fri 25/918:40 -
1 stop15h 10m
Mon 28/909:30 -
1 stop11h 10m
Deal found 7/8£140
Mon 21/922:00 -
2 stops18h 50m
Sun 27/915:25 -
1 stop5h 35m
Deal found 6/8£153
Thu 5/1109:00 -
1 stop6h 30m
Mon 9/1108:00 -
1 stop6h 35m
Deal found 8/8£155

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 11 August 2026.

Round-trip from

£89

One-way from

£43
25/9-28/9
  • 25/9-28/9
  • 2 total stops
  • 22h 15m total
  • Portugal to Belfast
Search Deals
Ryanair
  • Ryanair
  • 12/10
  • Nonstop
  • 2h 30m total
  • Portugal to Belfast
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 11 August 2026.
Use the filters below to find and compare flights from Portugal to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LisbonBelfast

LIS Lisbon Humberto Delgado - BFS Belfast Intl

LISBFS

Lisbon Humberto Delgado

Thu 24/9

22:10-07:50

1 stop9h 40m

Belfast Intl

Tue 29/9

17:10-09:15

1 stop16h 05m

£91
Fastest return journey

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Fri 16/10

14:25-16:55

Nonstop2h 30m

Belfast Intl

Mon 19/10

10:30-13:00

Nonstop2h 30m

£104

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Fri 25/9

22:20-21:15

2 stops22h 55m

Belfast Intl

Mon 28/9

14:40-23:55

1 stop9h 15m

£106

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Mon 7/9

07:15-09:45

Nonstop2h 30m

Belfast Intl

Fri 25/9

15:15-23:50

1 stop8h 35m

£107

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Fri 25/9

09:20-23:30

1 stop14h 10m

Belfast Intl

Mon 28/9

07:00-15:45

1 stop8h 45m

£118

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Sat 19/9

06:45-21:15

2 stops14h 30m

Belfast Intl

Tue 22/9

09:20-15:50

1 stop6h 30m

£118

LisbonBelfast

LIS Lisbon Humberto Delgado - BFS Belfast Intl

LISBFS

Lisbon Humberto Delgado

Mon 21/9

22:00-10:00

2 stops12h 00m

Belfast Intl

Sun 27/9

19:35-22:25

2 stops26h 50m

£119

LisbonBelfast

LIS Lisbon Humberto Delgado - BFS Belfast Intl

LISBFS

Lisbon Humberto Delgado

Sat 19/9

15:50-08:00

1 stop16h 10m

Belfast Intl

Tue 22/9

08:50-23:05

2 stops14h 15m

£124

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Fri 25/9

22:20-21:15

2 stops22h 55m

Belfast Intl

Fri 2/10

07:35-20:50

2 stops13h 15m

£125

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Fri 25/9

14:25-16:55

Nonstop2h 30m

Belfast Intl

Mon 28/9

10:30-13:00

Nonstop2h 30m

£130

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 56 resultsSorted by cheapest first
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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 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 11 August 2026.

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 68% 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 £104, Ryanair can have you in Belfast from Portugal in 2h 30m. Airlines will cover a distance of 933 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 £37 and £56 on Jet2 and easyJet, 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.

See more FAQs

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Alternative routes for Portugal to Belfast

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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 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.

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

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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