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Cheap flights from Belfast Intl Airport to Porto from £40

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OPO
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Porto
Explore the most affordable flight options available from Belfast Intl to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 December 2025.

Sun 21/1216:25BFS - OPO
1 stop22h 35mMultiple Airlines
Sun 28/1209:30OPO - BFS
1 stop24h 55mMultiple Airlines
Deal found 14/12£180

Find flight deals from Belfast Intl to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 December 2025.

Round-trip from

£93

One-way from

£40

Popular in

August

Cheapest in

May
29/1-5/2
  • 29/1-5/2
  • 2 total stops
  • 14h 15m total
  • Belfast to Porto
Search Deals
easyJet
  • easyJet
  • 14/1
  • 1 total stop
  • 12h 45m total
  • Belfast to Porto
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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 858,174 searches. Data last updated 16 December 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Porto that are best for you.

Fly from

Belfast Intl

Fly to

Porto

Route

Depart

Return

Price

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Thu 29/1

08:55-13:40

1 stop4h 45m

Porto

Thu 5/2

06:40-16:10

1 stop9h 30m

£93

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Thu 22/1

18:55-09:20

1 stop14h 25m

Porto

Sun 25/1

21:05-07:45

1 stop10h 40m

£98

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Tue 6/1

06:30-11:00

1 stop4h 30m

Porto

Fri 9/1

18:50-08:25

1 stop13h 35m

£116

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Wed 25/2

06:00-16:10

1 stop10h 10m

Porto

Mon 2/3

17:45-09:05

1 stop15h 20m

£126

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Thu 22/1

07:00-14:55

2 stops7h 55m

Porto

Sun 25/1

12:15-23:50

1 stop11h 35m

£185

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Wed 14/1

21:00-09:45

1 stop12h 45m

£40

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Tue 13/1

20:55-12:05

1 stop15h 10m

£49

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 13/3

21:20-09:00

1 stop11h 40m

£52

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sat 10/1

22:25-12:10

1 stop13h 45m

£55

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sun 11/1

05:45-08:20

1 stop26h 35m

£55

Flights are sorted by cheapest return flights first.

Deals found on 15/12

Showing 1-10 of 15 results
1
2

Best time to book a flight from Belfast Intl to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Belfast Intl with our price prediction graph.
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 Belfast Intl Airport to Porto

What is the cheapest time of day to fly from BFS to OPO?

Find hourly flight availability from Belfast Intl 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 16 December 2025.

A simple way to save on the total cost of your ticket is to fly from Belfast Intl Airport to Porto at midday. If you’re flexible enough to do this you can expect to save up to 73% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 16 December 2025.
See what other customers who have flown with Ryanair from Belfast Intl Airport to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.3
Okay
Check prices

Comfort

6.2

Overall

6.3

Food

5.8

Boarding

6.3

Entertainment

5.4

Crew

7.1

Reviews

1 / 6
10.0
Excellent

Paul,Aug 2025

LDY - MAN

The flight was on time the crew was friendly and communication was excellent
Ryanair
6.3
Okay
Ryanair
6.3
Okay
Check prices

Comfort

6.2

Overall

6.3

Food

5.8

Boarding

6.3

Entertainment

5.4

Crew

7.1

Reviews

1 / 6
10.0
Excellent

Paul,Aug 2025

LDY - MAN

The flight was on time the crew was friendly and communication was excellent

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Belfast Intl?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly into when you book flights from Belfast Intl to Porto. 1 airline have flights to Porto from Belfast Intl on a regular basis. Booking flights from Belfast Intl to Porto should not be difficult; the airport handles an average of 0 inbound flights from Belfast Intl per day.

  • How long is the flight from Belfast Intl Airport to Porto?

    There are many flights that can get you from Belfast Intl Airport to Porto in 14h 25m. Fly via easyJet to get the fastest option. The distance from Belfast Intl Airport to Porto is about 933 mi.

  • What is the cheapest airline to fly from Belfast Intl Airport to Porto round-trip?

    Cheapflights users have booked flights from Belfast Intl Airport to Porto round-trip from £47. This flight start at 70% lower than the current average price 3 months from now.

  • Can I find deals for flights from Belfast Intl to Porto that include hotel bookings?

    Yes. In addition to deals on Belfast Intl to Porto flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast Intl to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Porto.

  • Can I find deals for business class flights from Belfast Intl to Porto?

    Yes. Cheapflights offers flight deals from Belfast Intl to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Santa Maria da Feira
Guimarães
Coimbra
Chaves
Viseu
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Belfast Intl to Porto

Discover the top airline that operate flights from Belfast Intl 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 858,174 searches. Data last updated 16 December 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£47Average£162FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights

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 Belfast Intl to Porto?

Cheapflights helps you search for flights from Belfast Intl to Porto via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Porto?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Porto from Belfast Intl.

Can Cheapflights find flights from Belfast Intl to Porto with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast Intl to Porto, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Belfast Intl to Porto become cheaper?

Yes, Cheapflights offers price alerts on Belfast Intl to Porto flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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