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Cheap flights from Belfast Intl Airport to Porto from £45

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OPO
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Cheap 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 15 October 2025.

Round-trip from

£119

One-way from

£45

Popular in

December

Cheapest in

May

Average price

£110

Good round-trip deal

£71 or less
6/11-13/11
  • 6/11-13/11
  • 2 total stops
  • 20h 55m total
  • Belfast to Porto
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easyJet
  • easyJet
  • 11/1
  • 1 total stop
  • 6h 45m total
  • Belfast to Porto
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Highest demand for flights based on searches. 35% potential increase in price (£85 potential increase over avg. return price).
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Cheapest flight prices on average. 29% potential price decrease (£36 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Belfast Intl to Porto.
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Find 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 15 October 2025.

Wed 22/1011:10BFS - OPO
Nonstop2h 30mMultiple Airlines
Sat 25/1010:20OPO - BFS
1 stop13h 00mMultiple Airlines
Deal found 13/10£102
Thu 6/1121:00BFS - OPO
1 stop11h 25mMultiple Airlines
Thu 13/1106:40OPO - BFS
1 stop9h 30mMultiple Airlines
Deal found 14/10£119
Fri 28/1121:20BFS - OPO
1 stop12h 50mMultiple Airlines
Fri 5/1219:00OPO - BFS
1 stop12h 45mMultiple Airlines
Deal found 14/10£125
Sat 22/1122:25BFS - OPO
1 stop13h 45mMultiple Airlines
Tue 25/1107:15OPO - BFS
2 stops13h 55mMultiple Airlines
Deal found 14/10£126
Thu 27/1112:10BFS - OPO
1 stop7h 25mMultiple Airlines
Thu 4/1214:05OPO - BFS
1 stop6h 05mMultiple Airlines
Deal found 13/10£127
Wed 22/1011:10BFS - OPO
Nonstop2h 30mRyanair
Sat 25/1013:30OPO - BFS
Nonstop2h 30mRyanair
Deal found 13/10£134
Fri 21/1121:20BFS - OPO
1 stop12h 50mMultiple Airlines
Sun 23/1118:05OPO - BFS
2 stops24h 20mMultiple Airlines
Deal found 14/10£142

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 15 October 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 6/11

21:00-08:25

1 stop11h 25m

Porto

Thu 13/11

06:40-16:10

1 stop9h 30m

£119

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sat 22/11

22:25-12:10

1 stop13h 45m

Porto

Tue 25/11

19:40-10:45

1 stop15h 05m

£119

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

£125

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

Fri 21/11

21:20-10:10

1 stop12h 50m

Porto

Sun 23/11

18:05-18:25

2 stops24h 20m

£142

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sun 11/1

08:55-15:40

1 stop6h 45m

£45

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Wed 10/12

19:15-12:40

1 stop17h 25m

£52

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 10/11

06:40-17:50

1 stop11h 10m

£56

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sun 14/12

10:45-20:35

1 stop9h 50m

£57

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Sun 9/11

23:05-09:15

1 stop10h 10m

£62

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Showing 1-10 of 13 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 15 October 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 15 October 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

Boarding

6.2

Comfort

6.2

Overall

6.3

Crew

7.0

Entertainment

5.4

Food

5.8

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

Boarding

6.2

Comfort

6.2

Overall

6.3

Crew

7.0

Entertainment

5.4

Food

5.8

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.

  • 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 77% lower than the current average price 3 months from now.

  • What are the cheapest flights from Belfast Intl Airport to Porto?

    Looking at all options, your cheapest flight can be booked for £27. While the most popular route (Belfast Intl - Porto) can be booked for £102 on average, our data indicates £177 when flying from Belfast Intl Airport to Porto.

  • 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
Coimbra
Guimarães
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 15 October 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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