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Cheap flights from Northern Ireland to Porto from £42

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Porto departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Northern Ireland to Porto

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
17:20 - 19:50
BFS
-
OPO
2h 30mdirect
Ryanair Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
£49Ryanair
Fri, 24 Apr - Mon, 27 Apr
Ryanair Logo
10:30 - 13:00
BFS
-
OPO
2h 30mdirect
Ryanair Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
£61Ryanair
Mon, 4 May - Mon, 11 May
Ryanair Logo
19:20 - 14:10
BFS
-
OPO
18h 50m
1 stop
Ryanair Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
£68Ryanair
Fri, 24 Apr - Mon, 27 Apr
Ryanair Logo
17:20 - 19:50
BFS
-
OPO
2h 30mdirect
Ryanair Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
£70Ryanair
Fri, 24 Apr - Mon, 27 Apr
Ryanair Logo
17:20 - 19:50
BFS
-
OPO
2h 30mdirect
Ryanair Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
£73Ryanair
Fri, 8 May - Mon, 11 May
Ryanair Logo
10:30 - 13:00
BFS
-
OPO
2h 30mdirect
Ryanair Logo
14:25 - 16:55
OPO
-
BFS
2h 30mdirect
£74Ryanair
Mon, 18 May - Fri, 22 May
Multiple Airlines Logo
08:00 - 22:55
BFS
-
OPO
14h 55m
1 stop
Multiple Airlines Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
£75Multiple Airlines
Fri, 24 Apr - Mon, 27 Apr
Multiple Airlines Logo
08:40 - 20:40
BFS
-
OPO
12h 00m
1 stop
Multiple Airlines Logo
21:50 - 08:00
OPO
-
BFS
10h 10m
1 stop
£80Multiple Airlines
Mon, 11 May - Fri, 15 May
Multiple Airlines Logo
12:45 - 23:35
BFS
-
OPO
10h 50m
1 stop
Multiple Airlines Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
£84Multiple Airlines
Thu, 28 May - Mon, 1 Jun
Multiple Airlines Logo
08:40 - 07:30
BFS
-
OPO
22h 50m
2 stops
Multiple Airlines Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
£87Multiple Airlines
Mon, 4 May - Mon, 11 May

British Airways flights from Northern Ireland to Porto

Our best British Airways deals on Northern Ireland to Porto flight tickets
British Airways
24 Apr
BHD06:30Belfast City
14h 00m
1 stop
OPO20:30Porto
27 Apr
OPO21:25Porto
10h 10m
1 stop
BHD07:35Belfast City
£355
British Airways
23 Apr
BHD09:50Belfast City
34h 40m
2 stops
OPO20:30Porto
26 Apr
OPO21:30Porto
38h 25m
2 stops
BHD11:55Belfast City
£755
British Airways
23 Apr
BHD09:50Belfast City
34h 40m
2 stops
OPO20:30Porto
26 Apr
OPO21:30Porto
38h 25m
2 stops
BHD11:55Belfast City
£757

KLM flights from Northern Ireland to Porto

Our best KLM deals on Northern Ireland to Porto flight tickets
KLM
23 Apr
BHD17:30Belfast City
17h 10m
1 stop
OPO10:40Porto
26 Apr
OPO19:00Porto
14h 20m
1 stop
BHD09:20Belfast City
£328
KLM
23 Apr
BHD09:50Belfast City
8h 30m
1 stop
OPO18:20Porto
26 Apr
OPO19:00Porto
14h 20m
1 stop
BHD09:20Belfast City
£347
KLM
23 Apr
BHD17:30Belfast City
17h 10m
1 stop
OPO10:40Porto
26 Apr
OPO19:00Porto
14h 20m
1 stop
BHD09:20Belfast City
£358

momondo 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, momondo users made 279,928 searches. Data last updated 13 April 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

Price

Cheapest return flight
Fastest return journey

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 24/4

17:20-19:50

Nonstop2h 30m

Porto

Mon 27/4

07:15-09:45

Nonstop2h 30m

£49

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 4/5

10:30-13:00

Nonstop2h 30m

Porto

Mon 11/5

07:15-09:45

Nonstop2h 30m

£61

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 24/4

19:20-14:10

1 stop18h 50m

Porto

Mon 27/4

07:15-09:45

Nonstop2h 30m

£68

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 24/4

17:20-19:50

Nonstop2h 30m

Porto

Mon 27/4

07:15-09:45

Nonstop2h 30m

£70

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 8/5

17:20-19:50

Nonstop2h 30m

Porto

Mon 11/5

07:15-09:45

Nonstop2h 30m

£73

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 18/5

10:30-13:00

Nonstop2h 30m

Porto

Fri 22/5

14:25-16:55

Nonstop2h 30m

£74

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 24/4

08:00-22:55

1 stop14h 55m

Porto

Mon 27/4

07:15-09:45

Nonstop2h 30m

£75

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 11/5

08:40-20:40

1 stop12h 00m

Porto

Fri 15/5

21:50-08:00

1 stop10h 10m

£80

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Thu 28/5

12:45-23:35

1 stop10h 50m

Porto

Mon 1/6

07:15-09:45

Nonstop2h 30m

£84

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 4/5

08:40-07:30

2 stops22h 50m

Porto

Mon 11/5

07:15-09:45

Nonstop2h 30m

£87

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Porto from

How to get the cheapest flight ticket from Northern Ireland to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Porto?

According to our data, Monday is the cheapest day to fly to Porto from Northern Ireland. The lowest ticket price found for a Monday departure recently was £92. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around £166. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

Our data shows that the cheapest Northern Ireland to Porto flights are usually those with departure times in the morning. Our users have found flights to Porto in the morning for as low as £147. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £166 on average. Flights to Porto from Northern Ireland in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Northern Ireland to Porto flight route?

Fly from Belfast Intl to Porto for the best Northern Ireland - Porto flight prices

What cabin class options are available on Northern Ireland to Porto flights?

There is only 1 cabin class available to choose from on Northern Ireland to Porto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Northern Ireland to Porto flights?

No. A direct flight is the cheapest option for a flight between Northern Ireland to Porto.

Cheap Northern Ireland to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Porto

Fastest flight time

2h 30m

Direct flights

Tue and Sat

Airports in Porto

1 airport
The fastest flight from Northern Ireland to Porto takes 2h 30m
Direct flights go from Northern Ireland to Porto on Tuesday and Saturday. There are no airlines offering direct flights..
There is 1 airport in Porto. From Northern Ireland there are direct flights to Porto (OPO).
Search flight deals

Frequently asked questions about flying from Northern Ireland to Porto

  • When did momondo last update prices for flights from Northern Ireland to Porto Airport?

    Prices for flights from Northern Ireland to Porto Airport refresh daily.

  • How many operators does momondo search for flights from Northern Ireland to Porto Airport?

  • How old do you have to be to fly from Northern Ireland to Porto Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Northern Ireland to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Northern Ireland to Porto?

Best airlines flying from Northern Ireland to Porto

Compare and see reviews for airlines that fly from Northern Ireland to Porto with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £47Free CancellationRating
6.5
127 reviews
Search Ryanair flights
RyanairPriceFrom £69Free CancellationRating
6.9
5,329 reviews
Search Ryanair flights

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Viseu
Espinho
Guimarães
Esposende
Lamego
Curia
Chaves
Pinhao
Baiao
Caminha
Mesao Frio
Ponte de Lima
Mira

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Porto?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Northern Ireland to Porto . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Northern Ireland to Porto with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Northern Ireland to Porto flights to just show those with flexible booking policies.

How can momondo help me find flights from Northern Ireland to Porto?

Once all potential Northern Ireland to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Northern Ireland to Porto right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Northern Ireland to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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