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Cheap flights from Northern Ireland to Porto from £47
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OPO
10 Nov — 17 Nov1
Cheap flight deals from Northern Ireland to Porto
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
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 11 October 2026.
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 11 October 2026.
Fri 16/1017:20 -
Nonstop2h 30m
Mon 19/1007:15 -
Nonstop2h 30m
Deal found 9/10£72
Wed 11/1107:00 -
1 stop5h 20m
Sat 14/1118:05 -
1 stop13h 20m
Deal found 6/10£86
Fri 16/1017:20 -
Nonstop2h 30m
Mon 19/1020:50 -
2 stops15h 25m
Deal found 9/10£88
Best flights from Northern Ireland to PortoDiscover carefully curated flight deals from Northern Ireland to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.
Discover carefully curated flight deals from Northern Ireland to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.
Sat 7/1123:00 -
1 stop12h 15m
Mon 9/1122:25 -
1 stop11h 25m
Deal found 9/10£100
Sun 22/1116:40 -
1 stop15h 05m
Tue 24/1112:55 -
2 stops18h 35m
Deal found 11/10£110
Tue 3/1117:05 -
1 stop5h 55m
Tue 10/1112:55 -
2 stops18h 35m
Deal found 6/10£113
Sat 7/1106:00 -
2 stops15h 40m
Tue 10/1117:45 -
1 stop13h 45m
Deal found 10/10£113
Fri 20/1106:15 -
1 stop7h 20m
Wed 25/1117:55 -
1 stop15h 40m
Deal found 7/10£115
Thu 5/1106:20 -
1 stop5h 05m
Thu 12/1120:55 -
1 stop12h 25m
Deal found 8/10£117
Thu 19/1106:30 -
1 stop8h 25m
Sat 21/1118:05 -
1 stop4h 30m
Deal found 11/10£121
Sun 22/1116:40 -
1 stop15h 05m
Sun 29/1121:50 -
2 stops13h 55m
Deal found 8/10£128
Direct flights from Northern Ireland to PortoExplore direct flight options from Northern Ireland to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.
Explore direct flight options from Northern Ireland to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.
Sun 28/318:40 -
Nonstop2h 35m
Fri 2/407:35 -
Nonstop2h 30m
Deal found 9/10£249
Last-minute flights from Northern Ireland to PortoDiscover last-minute flight deals from Northern Ireland to Porto. Data last updated 11 October 2026 and is based on user searches.
Discover last-minute flight deals from Northern Ireland to Porto. Data last updated 11 October 2026 and is based on user searches.
Fri 16/1017:20 -
Nonstop2h 30m
Mon 19/1007:15 -
Nonstop2h 30m
Deal found 9/10£72
Fri 16/1017:20 -
Nonstop2h 30m
Mon 19/1020:50 -
2 stops15h 25m
Deal found 9/10£88
Wed 11/1107:00 -
1 stop5h 20m
Sat 14/1118:05 -
1 stop13h 20m
Deal found 6/10£86
One-way flights from Northern Ireland to PortoSearch for one-way flight options from Northern Ireland to Porto. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.
Search for one-way flight options from Northern Ireland to Porto. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.
Sat 7/1123:00 -
1 stop12h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 8/10£47
Tue 3/1108:20 -
1 stop14h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/10£49
Fri 6/1114:50 -
1 stop6h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/10£51
Mon 9/1106:05 -
1 stop5h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/10£51
Wed 11/1107:55 -
1 stop8h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/10£53
Fri 13/1119:20 -
1 stop27h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/10£54
Sun 8/1110:30 -
1 stop25h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/10£54
Tue 10/1117:05 -
1 stop5h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/10£55
Sun 6/1206:15 -
1 stop26h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/10£58
Find 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 11 October 2026.
Cheapflights Fare Finder
Customise your flight search to find flights from Northern Ireland to Porto 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 7,457,451 searches. Data last updated 11 October 2026.
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
Cheapest return flight
BelfastPorto
BFS Belfast Intl - OPO Porto
BFSOPO
Belfast Intl
Mon 7/12
21:30-08:15
1 stop10h 45m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£51
BelfastPorto
BFS Belfast Intl - OPO Porto
BFSOPO
Belfast Intl
Sun 6/12
10:50-19:20
1 stop8h 30m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£55
BelfastPorto
BFS Belfast Intl - OPO Porto
BFSOPO
Belfast Intl
Sat 5/12
17:55-10:10
1 stop16h 15m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£57
BelfastPorto
BFS Belfast Intl - OPO Porto
BFSOPO
Belfast Intl
Thu 7/1
16:05-15:45
1 stop23h 40m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£59
BelfastPorto
BFS Belfast Intl - OPO Porto
BFSOPO
Belfast Intl
Sun 10/1
20:00-10:00
1 stop14h 00m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£60
BelfastPorto
BFS Belfast Intl - OPO Porto
BFSOPO
Belfast Intl
Fri 6/11
14:50-21:10
1 stop6h 20m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£60
Fastest return journey
BelfastPorto
BFS Belfast Intl - OPO Porto
BFSOPO
Belfast Intl
Mon 9/11
06:05-11:35
1 stop5h 30m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£63
BelfastPorto
BFS Belfast Intl - OPO Porto
BFSOPO
Belfast Intl
Sat 7/11
19:05-07:45
2 stops12h 40m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£69
BelfastPorto
BFS Belfast Intl - OPO Porto
BFSOPO
Belfast Intl
Wed 9/12
21:10-11:25
1 stop14h 15m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£73
BelfastPorto
BFS Belfast Intl - OPO Porto
BFSOPO
Belfast Intl
Fri 8/1
19:20-13:15
1 stop17h 55m
Porto
Wed 31/12
00:00-00:00
Nonstop0h 00m
£74
Showing 1-10 of 19 resultsSorted by cheapest first
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.
BFS-OPO
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 Northern Ireland to Porto
GBNIR-OPO
BFS-OPO
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 11 October 2026.
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?
Book flights to Porto if you plan to visit one of these locationsGuimarães
Santa Maria da Feira
Aveiro
Chaves
Coimbra
Viseu
Vila Nova de Gaia
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
Complete your trip
Direct flights to Portugal
Flights by cabin class
Other flight options
Popular flights
Porto flight routes
Top destinations
Alternative routes for Northern Ireland to Porto
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Porto by adding a car hire and/or hotel booking to your travel itinerary.
Direct flights to Portugal
Book a non-stop flight to one of these other cities located in Portugal.
Search flights from Northern Ireland to Porto by cabin class
Find flights from Northern Ireland to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Northern Ireland and Porto flights
Browse other Northern Ireland and Porto flight options. Last updated on 11 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 October 2026.
Northern Ireland to Porto flights
Consider these flights travelling from Northern Ireland to Porto.
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 7,457,451 searches. Data last updated 11 October 2026.
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 Northern Ireland to Porto?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Porto from Northern Ireland today with Cheapflights!
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.