Find flights
When to book
Airlines
FAQs
English
Round-trip from | £118 |
---|---|
One-way from | £43 |
Popular in | September |
Cheapest in | February |
Average price | £168 |
Good round-trip deal | £127 or less |
Good one-way deal | £81 or less |
Fly from
Fly to
Route
Depart
Return
Price
PortoBelfast
OPO - BFS
OPOBFS
Porto
Sat 30/8
13:30-16:00
Nonstop2h 30m
Belfast Intl
Sat 6/9
10:35-13:05
Nonstop2h 30m
PortoBelfast
OPO - BFS
OPOBFS
Porto
Tue 26/8
21:00-11:50
1 stop14h 50m
Belfast Intl
Sat 30/8
10:35-13:05
Nonstop2h 30m
PortoBelfast
OPO - BFS
OPOBFS
Porto
Fri 22/8
08:35-16:45
1 stop8h 10m
Belfast Intl
Mon 1/9
12:35-19:10
1 stop6h 35m
LisbonBelfast
LIS - BFS
LISBFS
Lisbon Humberto Delgado
Thu 4/9
10:50-22:00
2 stops11h 10m
Belfast Intl
Wed 10/9
06:00-12:00
1 stop6h 00m
LisbonBelfast
LIS - BFS
LISBFS
Lisbon Humberto Delgado
Thu 4/9
07:00-13:00
1 stop6h 00m
Belfast Intl
Wed 10/9
07:00-21:00
1 stop14h 00m
PortoBelfast
OPO - BFS
OPOBFS
Porto
Sat 2/8
21:00-08:55
1 stop11h 55m
Belfast Intl
Wed 6/8
21:00-12:15
1 stop15h 15m
PortoBelfast
OPO - BFS
OPOBFS
Porto
Fri 17/10
09:25-23:30
1 stop14h 05m
PortoBelfast
OPO - BFS
OPOBFS
Porto
Sat 18/10
13:30-16:00
Nonstop2h 30m
PortoBelfast
OPO - BFS
OPOBFS
Porto
Wed 12/11
11:05-21:30
1 stop10h 25m
LisbonBelfast
LIS - BFS
LISBFS
Lisbon Humberto Delgado
Tue 7/10
06:30-18:45
1 stop12h 15m
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.
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 at midday, which can drop the price by up to 68% versus a flight in the afternoon.
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
Kathleen P,Jun 2025
LGW - GLA
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
Kathleen P,Jun 2025
LGW - GLA
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
Kathleen P,Jun 2025
LGW - GLA
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
Kathleen P,Jun 2025
LGW - GLA
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.
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.
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.
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.