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Cheap flights from Northern Ireland to Porto from £45

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 11/1. 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.
Multiple Airlines Logo
21:20 - 10:10BFS-OPO
12h 50m1 stop
Multiple Airlines Logo
19:00 - 07:45OPO-BFS
12h 45m1 stop
£124Multiple Airlines
Find Deal
Fri, 28 Nov - Fri, 5 Dec
Multiple Airlines Logo
07:10 - 16:50BFS-OPO
9h 40m1 stop
Multiple Airlines Logo
20:05 - 10:25OPO-BFS
14h 20m1 stop
£126Multiple Airlines
Find Deal
Sat, 22 Nov - Sun, 23 Nov
Multiple Airlines Logo
12:10 - 19:35BFS-OPO
7h 25m1 stop
Multiple Airlines Logo
14:05 - 20:10OPO-BFS
6h 05m1 stop
£127Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Multiple Airlines Logo
12:10 - 19:35BFS-OPO
7h 25m1 stop
Multiple Airlines Logo
12:15 - 08:20OPO-BFS
20h 05m2 stops
£136Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Multiple Airlines Logo
23:10 - 08:35BFS-OPO
9h 25m1 stop
Multiple Airlines Logo
18:05 - 18:25OPO-BFS
24h 20m2 stops
£138Multiple Airlines
Find Deal
Sat, 22 Nov - Sun, 23 Nov
easyJet Logo
14:05 - 22:35BFS-OPO
8h 30m1 stop
easyJet Logo
08:15 - 19:25OPO-BFS
11h 10m1 stop
£147easyJet
Find Deal
Sat, 28 Feb - Sat, 7 Mar
easyJet Logo
06:30 - 12:00BFS-OPO
5h 30m1 stop
easyJet Logo
21:15 - 13:50OPO-BFS
16h 35m1 stop
£179easyJet
Find Deal
Thu, 19 Feb - Sun, 22 Feb
KLM Logo
17:20 - 10:30BHD-OPO
17h 10m1 stop
KLM Logo
05:00 - 16:50OPO-BHD
11h 50m1 stop
£325KLM
Find Deal
Thu, 19 Feb - Sun, 22 Feb
KLM Logo
06:30 - 15:35BHD-OPO
9h 05m1 stop
KLM Logo
16:20 - 21:20OPO-BHD
5h 00m1 stop
£430KLM
Find Deal
Mon, 30 Mar - Tue, 31 Mar
KLM Logo
06:30 - 22:15BHD-OPO
15h 45m1 stop
KLM Logo
16:20 - 16:55OPO-BHD
24h 35m1 stop
£430KLM
Find Deal
Mon, 30 Mar - Tue, 31 Mar

easyJet flights from Northern Ireland to Porto

Our best easyJet deals on Northern Ireland to Porto flight tickets
easyJet
28 Feb
BFS14:05Belfast Intl
8h 30m
1 stop
OPO22:35Porto
7 Mar
OPO08:15Porto
11h 10m
1 stop
BFS19:25Belfast Intl
£147
Find similar
easyJet
19 Feb
BFS06:30Belfast Intl
5h 30m
1 stop
OPO12:00Porto
22 Feb
OPO21:15Porto
16h 35m
1 stop
BFS13:50Belfast Intl
£179
Find similar

KLM flights from Northern Ireland to Porto

Our best KLM deals on Northern Ireland to Porto flight tickets
KLM
19 Feb
BHD17:20Belfast City
17h 10m
1 stop
OPO10:30Porto
22 Feb
OPO05:00Porto
11h 50m
1 stop
BHD16:50Belfast City
£325
Find similar
KLM
30 Mar
BHD06:30Belfast City
9h 05m
1 stop
OPO15:35Porto
31 Mar
OPO16:20Porto
5h 00m
1 stop
BHD21:20Belfast City
£430
Find similar
KLM
30 Mar
BHD06:30Belfast City
15h 45m
1 stop
OPO22:15Porto
31 Mar
OPO16:20Porto
24h 35m
1 stop
BHD16:55Belfast City
£430
Find similar

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 14 October 2025.
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

Fri 28/11

21:20-10:10

1 stop12h 50m

Porto

Fri 5/12

19:00-07:45

1 stop12h 45m

£124

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sat 22/11

07:10-16:50

1 stop9h 40m

Porto

Sun 23/11

20:05-10:25

1 stop14h 20m

£126

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Thu 27/11

12:10-19:35

1 stop7h 25m

Porto

Thu 4/12

14:05-20:10

1 stop6h 05m

£127

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Thu 27/11

12:10-19:35

1 stop7h 25m

Porto

Thu 4/12

12:15-08:20

2 stops20h 05m

£136

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sat 22/11

23:10-08:35

1 stop9h 25m

Porto

Sun 23/11

18:05-18:25

2 stops24h 20m

£138

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sat 28/2

14:05-22:35

1 stop8h 30m

Porto

Sat 7/3

08:15-19:25

1 stop11h 10m

£147

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Thu 19/2

06:30-12:00

1 stop5h 30m

Porto

Sun 22/2

21:15-13:50

1 stop16h 35m

£179

BelfastPorto

BHD - OPO

BHDOPO

Belfast City

Thu 19/2

17:20-10:30

1 stop17h 10m

Porto

Sun 22/2

05:00-16:50

1 stop11h 50m

£325

BelfastPorto

BHD - OPO

BHDOPO

Belfast City

Mon 30/3

06:30-15:35

1 stop9h 05m

Porto

Tue 31/3

16:20-21:20

1 stop5h 00m

£430

BelfastPorto

BHD - OPO

BHDOPO

Belfast City

Mon 30/3

06:30-22:15

1 stop15h 45m

Porto

Tue 31/3

16:20-16:55

1 stop24h 35m

£430

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, Saturday is the cheapest day to fly to Porto from Northern Ireland. The lowest ticket price found for a Saturday departure recently was £141. 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 Thursday because tickets tend to average around £227. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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.

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

Best price found

£71

Fastest flight time

2h 30m

Direct flights

Sat

Airports in Porto

1 airport
The best flight deal from Northern Ireland to Porto found on momondo in the last 72 hours is £71
The fastest flight from Northern Ireland to Porto takes 2h 30m
Direct flights go from Northern Ireland to Porto on Saturday. Airline offering direct flights is Ryanair..
There is 1 airport near Porto: Porto (OPO)
Search flight deals

  • 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
6.3
114 reviews
Search Ryanair flights

Travelling to a place near Porto?

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