Find flights
Deals
When to book
Airlines

Cheap flights from Portugal to Belfast Intl Airport from £81

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BFS
5 May — 12 May1
1 adult

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 30 April 2025.

Round-trip from

£81

One-way from

£81

Popular in

September

Cheapest in

February

Average price

£97

Good round-trip deal

£43 or less

Good one-way deal

£69 or less
Ryanair
  • Ryanair
  • 14/6-18/6
  • Nonstop
  • 5h 00m total
  • Portugal to Belfast
11/7
  • 11/7
  • 2 total stops
  • 32h 40m total
  • Portugal to Belfast
Highest demand for flights based on searches. 29% potential increase in price (£38 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Portugal to Belfast Intl.
Price to beat on a one-way flight from Portugal to Belfast Intl.

Find flight deals from Portugal to Belfast Intl

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 30 April 2025.

Sat 14/613:30OPO - BFS
Nonstop2h 30mRyanair
Wed 18/611:10BFS - OPO
Nonstop2h 30mRyanair
Deal found 29/4£81
Sat 14/613:30OPO - BFS
Nonstop2h 30mMultiple Airlines
Wed 18/612:15BFS - OPO
1 stop20h 55mMultiple Airlines
Deal found 29/4£106
Thu 2/1007:00LIS - BFS
1 stop6h 00measyJet
Mon 6/1008:40BFS - LIS
1 stop10h 55measyJet
Deal found 29/4£113
Thu 2/1013:15LIS - BFS
2 stops29h 00mMultiple Airlines
Mon 6/1021:55BFS - LIS
1 stop20h 50mMultiple Airlines
Deal found 29/4£146

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 30 April 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

PortoBelfast

OPO - BFS

OPOBFS

Porto

Sat 14/6

13:30-16:00

Nonstop2h 30m

Belfast Intl

Wed 18/6

11:10-13:40

Nonstop2h 30m

£81

PortoBelfast

OPO - BFS

OPOBFS

Porto

Sat 14/6

13:30-16:00

Nonstop2h 30m

Belfast Intl

Wed 18/6

12:15-09:10

1 stop20h 55m

£106

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 2/10

07:00-13:00

1 stop6h 00m

Belfast Intl

Mon 6/10

08:40-19:35

1 stop10h 55m

£113

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 2/10

13:15-18:15

2 stops29h 00m

Belfast Intl

Mon 6/10

21:55-18:45

1 stop20h 50m

£146

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Fri 11/7

22:10-06:50

2 stops32h 40m

£81

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Fri 11/7

10:05-08:15

1 stop22h 10m

£95

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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, January is the cheapest month in which you can book a flight from Portugal to Belfast Intl Airport (average of £67). Flying from Portugal to Belfast Intl Airport 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 Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 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 43% versus a flight in the morning.

Rainfall in Belfast Intl by month

Plan your trip to Belfast Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast Intl Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast Intl Airport when rainfall is around 50.0 mm.

Temperature in Belfast Intl by month

Plan your trip to Belfast Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Belfast Intl

Get insights into the airlines that provide service to Belfast Intl. 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 Belfast Intl. Reviews last updated 30 April 2025.

Crew

7.6

Entertainment

5.5

Boarding

6.7

Comfort

6.7

Overall

6.9

Food

5.9

Reviews

1 / 20
8.0
Excellent

Robert,Jan 2025

LCA - LGW

Food to be reasonably priced and water is a necessity not a luxury and should be priced accordingly

Crew

7.6

Entertainment

5.5

Boarding

6.7

Comfort

6.7

Overall

6.9

Food

5.9

Reviews

1 / 20
8.0
Excellent

Robert,Jan 2025

LCA - LGW

Food to be reasonably priced and water is a necessity not a luxury and should be priced accordingly
Ryanair
6.2
Okay

Crew

7.6

Entertainment

5.5

Boarding

6.7

Comfort

6.7

Overall

6.9

Food

5.9

Reviews

1 / 20
8.0
Excellent

Robert,Jan 2025

LCA - LGW

Food to be reasonably priced and water is a necessity not a luxury and should be priced accordingly

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.
  • 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, January is the cheapest month in which you can book a flight from Portugal to Belfast Intl Airport (average of £67). Flying from Portugal to Belfast Intl Airport 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

Travelling to a place near Portugal?

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

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 Portugal to Belfast Intl

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

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 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.

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.