Cheap flights from Portugal to Belfast Intl Airport from £52

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BFS
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portugal to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from Portugal to Belfast Intl
Explore the most affordable flight options available from Portugal to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Tue 2/1220:15LIS - BFS
1 stop12h 05measyJet
Wed 10/1221:00BFS - LIS
1 stop13h 10measyJet
Deal found 23/10£84
Tue 9/1220:15LIS - BFS
1 stop12h 05measyJet
Wed 10/1221:00BFS - LIS
1 stop13h 10measyJet
Deal found 23/10£95
Fri 12/1218:50OPO - BFS
1 stop13h 35mMultiple Airlines
Sun 14/1223:05BFS - OPO
1 stop10h 10mMultiple Airlines
Deal found 23/10£112
Sat 6/1220:30LIS - BFS
1 stop10h 15mMultiple Airlines
Sat 13/1222:25BFS - LIS
1 stop11h 10mMultiple Airlines
Deal found 22/10£112
Sat 6/1213:40OPO - BFS
1 stop5h 05mMultiple Airlines
Sat 13/1206:00BFS - OPO
1 stop12h 55mMultiple Airlines
Deal found 22/10£115
Thu 4/1218:55LIS - BFS
1 stop13h 25measyJet
Wed 10/1208:50BFS - LIS
1 stop9h 10measyJet
Deal found 23/10£115
Thu 6/1106:30OPO - BFS
1 stop11h 00mMultiple Airlines
Mon 10/1110:50BFS - OPO
1 stop12h 00mMultiple Airlines
Deal found 21/10£120
Sat 29/1115:30LIS - BFS
1 stop6h 30mMultiple Airlines
Sun 30/1107:10BFS - LIS
1 stop9h 30mMultiple Airlines
Deal found 21/10£125
Fri 5/1217:50LIS - BFS
1 stop13h 55measyJet
Fri 12/1208:45BFS - LIS
1 stop14h 55measyJet
Deal found 21/10£130
Thu 4/1216:50LIS - BFS
1 stop6h 00mMultiple Airlines
Wed 10/1220:50BFS - LIS
2 stops23h 35mMultiple Airlines
Deal found 21/10£139
Fri 5/1219:00OPO - BFS
1 stop12h 45mMultiple Airlines
Fri 12/1208:05BFS - OPO
1 stop10h 10mMultiple Airlines
Deal found 20/10£143
Fri 21/1118:50OPO - BFS
1 stop13h 35mMultiple Airlines
Sun 23/1106:00BFS - OPO
1 stop8h 10mMultiple Airlines
Deal found 21/10£147

Cheap flight deals from Portugal to Belfast Intl

Keep the following information in mind while searching for Portugal to Belfast Intl flight deals. Data was last updated 24 October 2025.

Round-trip from

£84

One-way from

£52

Popular in

July

Cheapest in

November

Average price

£128

Good one-way deal

£67 or less
easyJet
  • easyJet
  • 2/12-10/12
  • 2 total stops
  • 25h 15m total
  • Portugal to Belfast
easyJet
  • easyJet
  • 18/1
  • 1 total stop
  • 12h 50m total
  • Portugal to Belfast
Highest demand for flights based on searches. 24% potential increase in price (£21 potential increase over avg. return price).
Cheapest flight prices on average. 11% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in October 2025
Price to beat on a one-way flight from Portugal to Belfast Intl.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portugal to Belfast Intl 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 24 October 2025.
Use the filters below to find and compare flights from Portugal to Belfast Intl Airport that are best for you.

Fly from

Portugal

Fly to

Belfast Intl

Route

Depart

Return

Price

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Tue 2/12

20:15-08:20

1 stop12h 05m

Belfast Intl

Wed 10/12

21:00-10:10

1 stop13h 10m

£84

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Tue 9/12

20:15-08:20

1 stop12h 05m

Belfast Intl

Wed 10/12

21:00-10:10

1 stop13h 10m

£95

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 12/12

18:50-08:25

1 stop13h 35m

Belfast Intl

Sun 14/12

23:05-09:15

1 stop10h 10m

£112

PortoBelfast

OPO - BFS

OPOBFS

Porto

Sat 6/12

13:40-18:45

1 stop5h 05m

Belfast Intl

Sat 13/12

06:00-18:55

1 stop12h 55m

£115

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 4/12

18:55-08:20

1 stop13h 25m

Belfast Intl

Wed 10/12

08:50-18:00

1 stop9h 10m

£115

PortoBelfast

OPO - BFS

OPOBFS

Porto

Thu 6/11

06:30-17:30

1 stop11h 00m

Belfast Intl

Mon 10/11

10:50-22:50

1 stop12h 00m

£120

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Fri 5/12

11:15-07:45

1 stop20h 30m

Belfast Intl

Mon 8/12

21:00-10:25

1 stop13h 25m

£125

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Sat 29/11

15:30-22:00

1 stop6h 30m

Belfast Intl

Sun 30/11

07:10-16:40

1 stop9h 30m

£125

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Fri 5/12

17:50-07:45

1 stop13h 55m

Belfast Intl

Fri 12/12

08:45-23:40

1 stop14h 55m

£130

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Sun 7/12

06:55-07:25

1 stop24h 30m

Belfast Intl

Sun 14/12

16:45-21:05

1 stop28h 20m

£139

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 24 results
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Best time to book a flight from Portugal to Belfast Intl

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

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

Currently, February is the cheapest month in which you can book a flight from Portugal to Belfast Intl Airport (average of £32). Flying from Portugal to Belfast Intl Airport 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 Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 October 2025.

When flying from Portugal to Belfast Intl Airport, 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 52% versus a flight at midday.

Related info for your journey

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

    easyJet can get you from Portugal to Belfast Intl Airport in just under 12h 05m. Your travel time can differ by up to . The distance between Portugal and Belfast Intl Airport is about 1105 mi.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Portugal to Belfast Intl Airport (average of £32). Flying from Portugal to Belfast Intl Airport 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

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

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Alternative routes for Portugal to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.

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

Cheapflights makes it easy to find Portugal to Belfast Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portugal to Belfast Intl.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portugal to Belfast Intl, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Portugal to Belfast Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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