Cheap flights from Northern Ireland to Porto from £28

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 21/8. 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
£83Ryanair
Fri, 17 Jul - Mon, 27 Jul
Ryanair Logo
17:20 - 19:50
BFS
-
OPO
2h 30mdirect
Ryanair Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
£84Ryanair
Fri, 17 Jul - Mon, 27 Jul
Multiple Airlines Logo
20:10 - 09:10
BFS
-
OPO
13h 00m
1 stop
Multiple Airlines Logo
21:10 - 07:05
OPO
-
BFS
9h 55m
1 stop
£90Multiple Airlines
Tue, 21 Jul - Tue, 28 Jul
Multiple Airlines Logo
20:15 - 23:45
BFS
-
OPO
27h 30m
2 stops
Multiple Airlines Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
£93Multiple Airlines
Sat, 20 Jun - Mon, 22 Jun
Ryanair Logo
17:20 - 19:50
BFS
-
OPO
2h 30mdirect
Ryanair Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
£94Ryanair
Fri, 17 Jul - Mon, 20 Jul
Multiple Airlines Logo
05:55 - 12:05
BFS
-
OPO
6h 10m
1 stop
Multiple Airlines Logo
21:45 - 11:50
OPO
-
BFS
14h 05m
1 stop
£94Multiple Airlines
Wed, 17 Jun - Thu, 18 Jun
Ryanair Logo
17:20 - 19:50
BFS
-
OPO
2h 30mdirect
Ryanair Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
£100Ryanair
Fri, 17 Jul - Mon, 20 Jul
Multiple Airlines Logo
17:20 - 19:50
BFS
-
OPO
2h 30mdirect
Multiple Airlines Logo
09:20 - 18:25
OPO
-
BFS
9h 05m
1 stop
£104Multiple Airlines
Fri, 17 Jul - Mon, 27 Jul
Multiple Airlines Logo
20:10 - 09:10
BFS
-
OPO
13h 00m
1 stop
Multiple Airlines Logo
21:10 - 07:05
OPO
-
BFS
9h 55m
1 stop
£106Multiple Airlines
Tue, 14 Jul - Tue, 21 Jul
Multiple Airlines Logo
17:35 - 07:30
BFS
-
OPO
13h 55m
1 stop
Multiple Airlines Logo
22:30 - 12:35
OPO
-
BFS
14h 05m
1 stop
£108Multiple Airlines
Mon, 27 Jul - Wed, 29 Jul

Ryanair flights from Northern Ireland to Porto

Our best Ryanair deals on Northern Ireland to Porto flight tickets
Ryanair
17 Jul
BFS17:20Belfast Intl
2h 30m
OPO19:50Porto
27 Jul
OPO07:15Porto
2h 30m
BFS09:45Belfast Intl
£83
Ryanair
17 Jul
BFS17:20Belfast Intl
2h 30m
OPO19:50Porto
27 Jul
OPO07:15Porto
2h 30m
BFS09:45Belfast Intl
£84
Ryanair
17 Jul
BFS17:20Belfast Intl
2h 30m
OPO19:50Porto
20 Jul
OPO07:15Porto
2h 30m
BFS09:45Belfast Intl
£94

KLM flights from Northern Ireland to Porto

Our best KLM deals on Northern Ireland to Porto flight tickets
KLM
1 Jun
BHD09:50Belfast City
12h 25m
1 stop
OPO22:15Porto
4 Jun
OPO16:20Porto
17h 00m
1 stop
BHD09:20Belfast City
£479
KLM
1 Jun
BHD09:50Belfast City
12h 25m
1 stop
OPO22:15Porto
4 Jun
OPO16:20Porto
17h 00m
1 stop
BHD09:20Belfast City
£494
KLM
1 Jun
BHD09:50Belfast City
5h 40m
1 stop
OPO15:30Porto
4 Jun
OPO19:10Porto
14h 10m
1 stop
BHD09:20Belfast City
£530

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 30 May 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 17/7

17:20-19:50

Nonstop2h 30m

Porto

Mon 27/7

07:15-09:45

Nonstop2h 30m

£83

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 17/7

17:20-19:50

Nonstop2h 30m

Porto

Mon 27/7

07:15-09:45

Nonstop2h 30m

£84

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Tue 21/7

20:10-09:10

1 stop13h 00m

Porto

Tue 28/7

21:10-07:05

1 stop9h 55m

£90

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sat 20/6

20:15-23:45

2 stops27h 30m

Porto

Mon 22/6

07:15-09:45

Nonstop2h 30m

£93

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 17/7

17:20-19:50

Nonstop2h 30m

Porto

Mon 20/7

07:15-09:45

Nonstop2h 30m

£94

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Wed 17/6

05:55-12:05

1 stop6h 10m

Porto

Thu 18/6

21:45-11:50

1 stop14h 05m

£94

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 17/7

17:20-19:50

Nonstop2h 30m

Porto

Mon 20/7

07:15-09:45

Nonstop2h 30m

£100

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 17/7

17:20-19:50

Nonstop2h 30m

Porto

Mon 27/7

09:20-18:25

1 stop9h 05m

£104

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Tue 14/7

20:10-09:10

1 stop13h 00m

Porto

Tue 21/7

21:10-07:05

1 stop9h 55m

£106

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 27/7

17:35-07:30

1 stop13h 55m

Porto

Wed 29/7

22:30-12:35

1 stop14h 05m

£108

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 month to fly to Porto?

The month of April is, on average, the cheapest month to fly to Porto from Northern Ireland, with most prices found around £0. If you are unable to visit Porto during the month of April, then departing from Northern Ireland during the month February is also very affordable. Most momondo users find prices during this month for around £0.

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 £144. 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

Best price found

£81

Fastest flight time

2h 30m

Direct flights

Tue and Sat

Airports in Porto

1 airport
The best flight deal from Northern Ireland to Porto found on momondo in the last 72 hours is £81
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).

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 £57Free CancellationRating
6.5
129 reviews
Search Ryanair flights
RyanairPriceFrom £69Free CancellationRating
6.9
5,381 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
Viseu
Aveiro
Matosinhos
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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1 adult
Mon 29/6
Mon 6/7

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