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Cheap flights from Belfast Intl Airport to Porto from £27

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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — OPO
23 Aug — 30 Aug1
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 24 July 2026.

Fri 18/917:20
BFS
-
OPO
Nonstop2h 30m
Ryanair
Mon 28/907:15
OPO
-
BFS
Nonstop2h 30m
Ryanair
Deal found 23/7£61
Fri 25/917:20
BFS
-
OPO
Nonstop2h 30m
Ryanair
Mon 28/907:15
OPO
-
BFS
Nonstop2h 30m
Ryanair
Deal found 22/7£68
Mon 28/910:30
BFS
-
OPO
Nonstop2h 30m
Ryanair
Tue 29/916:45
OPO
-
BFS
1 stop16h 45m
Ryanair
Deal found 22/7£84
Fri 18/917:20
BFS
-
OPO
Nonstop2h 30m
Multiple Airlines
Wed 23/906:05
OPO
-
BFS
1 stop13h 45m
Multiple Airlines
Deal found 22/7£87
Fri 25/917:20
BFS
-
OPO
Nonstop2h 30m
Ryanair
Tue 29/916:45
OPO
-
BFS
1 stop16h 45m
Ryanair
Deal found 22/7£88
Fri 18/917:20
BFS
-
OPO
Nonstop2h 30m
Multiple Airlines
Mon 28/906:15
OPO
-
BFS
1 stop6h 05m
Multiple Airlines
Deal found 21/7£89
Mon 28/910:30
BFS
-
OPO
Nonstop2h 30m
Ryanair
Mon 5/1007:15
OPO
-
BFS
Nonstop2h 30m
Ryanair
Deal found 23/7£90

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 24 July 2026.

Round-trip from

£61

One-way from

£27

Popular in

March

Cheapest in

May

Average price

£223

Good round-trip deal

£98 or less
Ryanair
  • Ryanair
  • 18/9-28/9
  • Nonstop
  • 5h 00m total
  • Belfast to Porto
Search Deals
Ryanair
  • Ryanair
  • 21/8
  • Nonstop
  • 2h 30m total
  • Belfast to Porto
Search Deals
Highest demand for flights based on searches. 64% potential increase in price (£287 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 26% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Belfast Intl to Porto.
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 24 July 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
Fastest return journey

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 25/9

17:20-19:50

Nonstop2h 30m

Porto

Mon 28/9

07:15-09:45

Nonstop2h 30m

£77

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 18/9

17:20-19:50

Nonstop2h 30m

Porto

Mon 28/9

06:15-12:20

1 stop6h 05m

£89

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 7/9

14:40-23:55

1 stop9h 15m

Porto

Mon 14/9

22:45-08:55

1 stop10h 10m

£95

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 4/9

07:35-21:05

1 stop13h 30m

Porto

Mon 7/9

22:45-08:55

1 stop10h 10m

£102

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 7/9

14:40-23:55

1 stop9h 15m

Porto

Tue 15/9

06:05-20:50

1 stop14h 45m

£114

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 18/9

17:20-19:50

Nonstop2h 30m

Porto

Sat 19/9

12:45-21:15

2 stops8h 30m

£136

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 7/9

10:30-13:00

Nonstop2h 30m

Porto

Mon 14/9

07:15-09:45

Nonstop2h 30m

£139

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 21/9

17:35-23:59

1 stop6h 24m

Porto

Fri 25/9

09:25-15:20

1 stop5h 55m

£148
Cheapest one-way
Fastest single journey

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Fri 21/8

17:20-19:50

Nonstop2h 30m

£28

BelfastPorto

BFS - OPO

BFSOPO

Belfast Intl

Mon 19/10

10:30-13:00

Nonstop2h 30m

£49

Flights are sorted by cheapest return flights first.

Deals found on 22/7

Showing 1-10 of 19 resultsSorted by cheapest first
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 24 July 2026.

When flying from Belfast Intl Airport to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Belfast Intl Airport to Porto?

Airfare is below average for this route at the moment.

Belfast Intl Airport to Porto flights typically cost between £155 and £232 in September.
The cheapest return price found within the last 5 days was £61 on Ryanair (18 Sept–28 Sept).

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 24 July 2026.
See what other customers who have flown with Ryanair and 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
6.9
Okay
5,439 reviews
Check prices

Entertainment

5.7

Overall

6.9

Food

6.0

Comfort

6.5

Boarding

6.7

Crew

7.5

Reviews

1 / 20
2.0
Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles
Ryanair
6.9
Okay
5,439 reviews
Ryanair
6.9
Okay
5,439 reviews
Check prices

Entertainment

5.7

Overall

6.9

Food

6.0

Comfort

6.5

Boarding

6.7

Crew

7.5

Reviews

1 / 20
2.0
Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles
Ryanair
6.5
Okay
Ryanair
6.9
Okay
5,439 reviews
Check prices

Entertainment

5.7

Overall

6.9

Food

6.0

Comfort

6.5

Boarding

6.7

Crew

7.5

Reviews

1 / 20
2.0
Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles

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. 2 airlines 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 2h 30m. Fly via Ryanair to get the fastest option. The distance from Belfast Intl Airport to Porto is about 933 mi. Generally, flights for this route are direct.

  • What are the cheapest airlines flying from Belfast Intl Airport to Porto round-trip?

    Cheapflights users have booked flights from Belfast Intl Airport to Porto round-trip from £47. Another airline that can offer you cheap pricing is Ryanair. These flights 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 £77. While the most popular route (Belfast Intl - Porto) can be booked for £61 on average, our data indicates £123 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
Santa Maria da Feira
Viseu
Guimarães
Chaves
Coimbra
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Belfast Intl to Porto

Discover the top 2 airlines 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 24 July 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£47Average£161FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£68Average£114FlexibilityNo 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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