Cheap flights from Portugal to Belfast from £48
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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from Portugal to Belfast
Cheapest flights from Portugal to BelfastExplore 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 21 outubro 2025.
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 21 outubro 2025.
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 21 outubro 2025.
Cheapflights Fare Finder
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
LisbonBelfast
LIS - BFS
LISBFS
Lisbon Humberto Delgado
ter 2/12
20:15-08:20
1 stop12h 05m
Belfast Intl
ter 9/12
20:55-10:25
1 stop13h 30m
LisbonBelfast
LIS - BFS
LISBFS
Lisbon Humberto Delgado
seg 8/12
20:20-07:40
1 stop11h 20m
Belfast Intl
qua 10/12
21:00-10:10
1 stop13h 10m
LisbonBelfast
LIS - BFS
LISBFS
Lisbon Humberto Delgado
qua 19/11
19:35-09:10
1 stop13h 35m
Belfast Intl
qua 26/11
06:00-15:00
1 stop9h 00m
PortoBelfast
OPO - BFS
OPOBFS
Porto
qui 4/12
06:30-09:35
1 stop27h 05m
Belfast Intl
qui 11/12
12:10-19:35
1 stop7h 25m
LisbonBelfast
LIS - BHD
LISBHD
Lisbon Humberto Delgado
qua 19/11
10:20-16:50
1 stop6h 30m
Belfast City
qua 26/11
10:15-19:10
1 stop8h 55m
PortoBelfast
OPO - BFS
OPOBFS
Porto
qua 5/11
14:35-11:45
1 stop21h 10m
Belfast Intl
dom 9/11
15:45-13:35
1 stop21h 50m
PortoBelfast
OPO - BFS
OPOBFS
Porto
qui 4/12
06:30-17:55
2 stops11h 25m
Belfast Intl
qui 11/12
12:10-19:35
1 stop7h 25m
PortoBelfast
OPO - BFS
OPOBFS
Porto
qua 3/12
20:55-09:20
1 stop12h 25m
Belfast Intl
qua 10/12
06:30-12:05
1 stop5h 35m
PortoBelfast
OPO - BFS
OPOBFS
Porto
qua 3/12
12:35-17:55
1 stop5h 20m
Belfast Intl
qua 10/12
19:15-12:40
1 stop17h 25m
LisbonBelfast
LIS - BFS
LISBFS
Lisbon Humberto Delgado
ter 2/12
21:05-09:10
1 stop12h 05m
Belfast Intl
ter 9/12
08:10-22:40
2 stops14h 30m
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.
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 £31). Flying from Portugal to Belfast in August is currently the most expensive (average of £318). 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 21 outubro 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 evening, which can drop the price by up to 44% 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.
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Alternative routes for Portugal to Belfast
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?
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.