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Cheap flights from Belfast Intl Airport to Porto from £39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to Porto departing on 12/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Belfast Intl Airport to Porto

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:50 - 09:00BFS  Belfast Intl-OPO Porto
14h 10m1 stop London Stansted
Multiple Airlines Logo
05:55 - 18:55OPO  Porto-BFS Belfast Intl
13h 00m1 stop Edinburgh Turnhouse
£81Multiple Airlines
Mon, 7 Sep - Fri, 11 Sep
Multiple Airlines Logo
09:15 - 20:25BFS  Belfast Intl-OPO Porto
11h 10m1 stop London Stansted
Multiple Airlines Logo
05:55 - 18:55OPO  Porto-BFS Belfast Intl
13h 00m1 stop Edinburgh Turnhouse
£84Multiple Airlines
Mon, 21 Sep - Fri, 25 Sep
Multiple Airlines Logo
14:40 - 23:55BFS  Belfast Intl-OPO Porto
9h 15m1 stop Paris Beauvais-Tille
Multiple Airlines Logo
21:45 - 11:50OPO  Porto-BFS Belfast Intl
14h 05m1 stop Edinburgh Turnhouse
£84Multiple Airlines
Mon, 14 Sep - Thu, 17 Sep
Multiple Airlines Logo
18:50 - 09:00BFS  Belfast Intl-OPO Porto
14h 10m1 stop London Stansted
Multiple Airlines Logo
05:55 - 11:50OPO  Porto-BFS Belfast Intl
5h 55m1 stop Edinburgh Turnhouse
£85Multiple Airlines
Mon, 7 Sep - Fri, 11 Sep
Multiple Airlines Logo
18:50 - 09:00BFS  Belfast Intl-OPO Porto
14h 10m1 stop London Stansted
Multiple Airlines Logo
07:15 - 09:45OPO  Porto-BFS Belfast Intl
2h 30mdirect
£87Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Ryanair Logo
17:20 - 19:50BFS  Belfast Intl-OPO Porto
2h 30mdirect
Ryanair Logo
07:15 - 09:45OPO  Porto-BFS Belfast Intl
2h 30mdirect
£92Ryanair
Fri, 4 Sep - Mon, 7 Sep
Multiple Airlines Logo
17:20 - 19:50BFS  Belfast Intl-OPO Porto
2h 30mdirect
Multiple Airlines Logo
06:15 - 23:00OPO  Porto-BFS Belfast Intl
16h 45m1 stop London Stansted
£92Multiple Airlines
Fri, 18 Sep - Fri, 25 Sep
Multiple Airlines Logo
09:15 - 20:25BFS  Belfast Intl-OPO Porto
11h 10m1 stop London Stansted
Multiple Airlines Logo
22:20 - 21:15OPO  Porto-BFS Belfast Intl
22h 55m2 stops Faro Manchester
£93Multiple Airlines
Mon, 21 Sep - Fri, 25 Sep
Multiple Airlines Logo
08:40 - 07:30BFS  Belfast Intl-OPO Porto
22h 50m2 stops Manchester Faro
Multiple Airlines Logo
21:45 - 11:50OPO  Porto-BFS Belfast Intl
14h 05m1 stop Edinburgh Turnhouse
£94Multiple Airlines
Mon, 14 Sep - Thu, 17 Sep
Ryanair Logo
17:20 - 19:50BFS  Belfast Intl-OPO Porto
2h 30mdirect
Ryanair Logo
07:15 - 09:45OPO  Porto-BFS Belfast Intl
2h 30mdirect
£95Ryanair
Fri, 4 Sep - Mon, 7 Sep

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Ryanair flights from Belfast Intl Airport to Porto

Our best Ryanair deals on Belfast Intl Airport to Porto flight tickets
Ryanair
4 Sept
BFS17:20Belfast Intl
2h 30m
OPO19:50Porto
7 Sept
OPO07:15Porto
2h 30m
BFS09:45Belfast Intl
£92
Ryanair
4 Sept
BFS17:20Belfast Intl
2h 30m
OPO19:50Porto
7 Sept
OPO07:15Porto
2h 30m
BFS09:45Belfast Intl
£101
Ryanair
4 Sept
BFS17:20Belfast Intl
2h 30m
OPO19:50Porto
7 Sept
OPO22:45Porto
10h 10m
1 stop
BFS08:55Belfast Intl
£103

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport 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 11 August 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Mon 7/9

18:50-09:00

1 stop14h 10m

Porto

Fri 11/9

05:55-18:55

1 stop13h 00m

£81

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Mon 21/9

09:15-20:25

1 stop11h 10m

Porto

Fri 25/9

05:55-18:55

1 stop13h 00m

£84

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Mon 14/9

14:40-23:55

1 stop9h 15m

Porto

Thu 17/9

21:45-11:50

1 stop14h 05m

£84

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Mon 7/9

18:50-09:00

1 stop14h 10m

Porto

Fri 11/9

05:55-11:50

1 stop5h 55m

£85

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Mon 7/9

18:50-09:00

1 stop14h 10m

Porto

Mon 14/9

07:15-09:45

Nonstop2h 30m

£87
Fastest return journey

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Fri 4/9

17:20-19:50

Nonstop2h 30m

Porto

Mon 7/9

07:15-09:45

Nonstop2h 30m

£92

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Fri 18/9

17:20-19:50

Nonstop2h 30m

Porto

Fri 25/9

06:15-23:00

1 stop16h 45m

£92

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Mon 21/9

09:15-20:25

1 stop11h 10m

Porto

Fri 25/9

22:20-21:15

2 stops22h 55m

£93

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Mon 14/9

08:40-07:30

2 stops22h 50m

Porto

Thu 17/9

21:45-11:50

1 stop14h 05m

£94

BelfastPorto

BFS Belfast Intl - OPO Porto

BFSOPO

Belfast Intl

Fri 4/9

17:20-19:50

Nonstop2h 30m

Porto

Mon 7/9

07:15-09:45

Nonstop2h 30m

£95

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 Belfast Intl Airport 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 typical price of a round-trip flight between Belfast Intl Airport and Porto?

Prices are currently low for flights on this route.

Typical prices usually range from £125 to £206.
The lowest price recently found on this route was £81.

What is the cheapest month to fly to Porto?

The month of April is, on average, the cheapest month to fly to Porto from Belfast Intl Airport, with most prices found around £0. If you are unable to visit Porto during the month of April, then departing from Belfast Intl Airport 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, Wednesday is the cheapest day to fly to Porto from Belfast Intl Airport. The lowest ticket price found for a Wednesday departure recently was £108. 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 Saturday because tickets tend to average around £139. 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 Belfast Intl Airport 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 £112. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £121 on average. Flights to Porto from Belfast Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Belfast Intl to Porto flight route?

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

What cabin class options are available on Belfast Intl Airport to Porto flights?

There is only 1 cabin class available to choose from on Belfast Intl Airport 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 Belfast Intl Airport to Porto flights?

You could potentially save up to 43% on your flight if you consider stops on a Belfast Intl Airport to Porto flight.

When to book flights from Belfast Intl Airport to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Belfast Intl Airport to Porto (BFS to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Porto

Best price found

£106

Fastest flight time

2h 30m

Direct flights

Tue and Sat

Airports in Porto

1 airport
The best flight deal from Belfast Intl Airport to Porto found on momondo in the last 72 hours is £106
The fastest flight from Belfast Intl Airport to Porto takes 2h 30m
Direct flights go from Belfast Intl Airport to Porto on Tuesday and Saturday. There are no airlines offering direct flights..
There is 1 airport in Porto. From Belfast Intl Airport there are direct flights to Porto (OPO).
Search flight deals

Frequently asked questions about flying from Belfast Intl Airport to Porto

  • How far is Belfast Intl to Porto by plane?

    The distance between Belfast Intl and Porto is about 938.6 mi. In terms of flight time, this usually takes a little over 2h 30m.

  • When did momondo last update prices for flights from Belfast Intl Airport to Porto Airport?

    Prices for flights from Belfast Intl Airport to Porto Airport refresh daily.

  • How many operators does momondo search for flights from Belfast Intl Airport to Porto Airport?

  • How old do you have to be to fly from Belfast Intl Airport to Porto Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast Intl Airport to Porto Airport.

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

    The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Belfast Intl Airport to Porto?

  • What is the most popular airline from Belfast Intl Airport to Porto?

Best airlines flying from Belfast Intl Airport to Porto

Compare and see reviews for airlines that fly from Belfast Intl Airport to Porto with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £47Free CancellationRating
6.4
138 reviews
Search Ryanair flights
RyanairPriceFrom £69Free CancellationRating
6.9
5,463 reviews
Search Ryanair flights

  • Ryanair Flights From Belfast Intl Airport to Porto

    Ryanair flies from Belfast Intl Airport to Porto around 1 time per week, with 5,463 momondo users rating the airline 6.9/10. The cheapest Ryanair deal from Belfast Intl Airport to Porto in the last 72 hours was £69 (round-trip), much lower than the average airfare cost of £121 for Ryanair flights on this route.

Travelling to a place near Porto?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Porto from Belfast.

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

Yes. All flights to Porto from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Belfast to Porto?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to Porto.

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

If you are simply researching potential flights to Porto, momondo offers a useful price alert feature which will track prices for flights to Porto from Belfast and alert you when they change.

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