Cheap flights from Northern Ireland to Porto from £49
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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Northern Ireland to Porto
Keep the following information in mind while searching for Northern Ireland to Porto flight deals. Data was last updated 16 September 2025.
Round-trip from | £50 |
---|---|
One-way from | £49 |
Popular in | December |
Cheapest in | May |
Average price | £124 |
Good round-trip deal | £105 or less |
Find flight deals from Northern Ireland to Porto
Cheapest flights from Northern Ireland to PortoExplore the most affordable flight options available from Northern Ireland to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.
Explore the most affordable flight options available from Northern Ireland to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Northern Ireland to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastPorto
BFS - OPO
BFSOPO
Belfast Intl
Wed 1/10
11:10-13:40
Nonstop2h 30m
Porto
Sat 4/10
13:30-16:00
Nonstop2h 30m
BelfastPorto
BFS - OPO
BFSOPO
Belfast Intl
Sat 27/9
10:35-13:05
Nonstop2h 30m
Porto
Sat 4/10
13:30-16:00
Nonstop2h 30m
BelfastPorto
BFS - OPO
BFSOPO
Belfast Intl
Wed 15/10
11:10-13:40
Nonstop2h 30m
Porto
Wed 22/10
14:05-16:35
Nonstop2h 30m
BelfastPorto
BFS - OPO
BFSOPO
Belfast Intl
Sat 27/9
10:35-13:05
Nonstop2h 30m
Porto
Sat 4/10
13:15-23:05
1 stop9h 50m
BelfastPorto
BFS - OPO
BFSOPO
Belfast Intl
Tue 14/10
08:40-20:55
1 stop12h 15m
Porto
Tue 21/10
21:25-08:10
1 stop10h 45m
BelfastPorto
BFS - OPO
BFSOPO
Belfast Intl
Wed 15/10
06:00-11:20
1 stop5h 20m
Porto
Wed 22/10
17:45-23:10
1 stop5h 25m
BelfastPorto
BFS - OPO
BFSOPO
Belfast Intl
Thu 30/10
21:05-07:55
1 stop10h 50m
Porto
Thu 6/11
10:15-18:20
1 stop8h 05m
BelfastPorto
BFS - OPO
BFSOPO
Belfast Intl
Wed 1/10
07:25-22:45
2 stops15h 20m
Porto
Sat 4/10
13:30-16:00
Nonstop2h 30m
BelfastPorto
BHD - OPO
BHDOPO
Belfast City
Thu 9/10
18:45-06:45
2 stops12h 00m
Porto
Mon 13/10
06:15-17:40
1 stop11h 25m
BelfastPorto
BHD - OPO
BHDOPO
Belfast City
Sat 27/9
06:50-22:35
2 stops15h 45m
Porto
Sat 4/10
06:45-16:30
2 stops9h 45m
Best time to book a flight from Northern Ireland to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Northern Ireland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Northern Ireland to Porto
What is the cheapest time of day to fly from NIR to OPO?
Find hourly flight availability from Northern Ireland to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.
When flying from Northern Ireland to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Related info for your journey
Find useful and relevant information for your journey from Northern Ireland to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Porto?
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Alternative routes for Northern Ireland to Porto
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Northern Ireland to Porto
Discover the top airline that operate flights from Northern Ireland to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 September 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Northern Ireland to Porto?
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Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Porto?
Cheapflights simply makes it quick and affordable to book flights from Northern Ireland to Porto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Northern Ireland to Porto with no change fees?
Yes, we can. To see specific flights from Northern Ireland to Porto with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Northern Ireland to Porto become cheaper?
Of course! You can now track prices for flights from Northern Ireland to Porto 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.