In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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

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

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

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

How can I find direct flights from Porto to Belfast?

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

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

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

£44+ Cheap Flights from Porto to Belfast

Cheap flight deals from Porto to Belfast

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Porto to Belfast
Explore the most affordable flight options available from Porto to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Wed 7/1022:30 -

1 stop10h 40m

Mon 12/1010:30 -

Nonstop2h 30m

Deal found 18/9£78

Fri 16/1006:15 -

1 stop28h 30m

Mon 19/1010:30 -

Nonstop2h 30m

Deal found 17/9£82

Wed 14/1022:30 -

1 stop14h 05m

Wed 21/1009:55 -

1 stop11h 40m

Deal found 16/9£84

Fri 9/1006:15 -

1 stop16h 45m

Mon 12/1010:30 -

Nonstop2h 30m

Deal found 18/9£87

Thu 8/1011:30 -

1 stop6h 25m

Mon 12/1010:30 -

Nonstop2h 30m

Deal found 18/9£89

Wed 14/1022:30 -

1 stop12h 50m

Wed 21/1014:45 -

1 stop6h 55m

Deal found 16/9£110

Tue 6/1022:30 -

1 stop12h 40m

Fri 9/1014:05 -

1 stop9h 45m

Deal found 16/9£141

Wed 7/1022:30 -

1 stop12h 50m

Mon 12/1009:30 -

1 stop11h 10m

Deal found 16/9£142

Wed 7/1022:30 -

1 stop12h 50m

Thu 8/1016:00 -

1 stop7h 35m

Deal found 18/9£147

Mon 5/1020:50 -

2 stops16h 20m

Fri 9/1017:55 -

1 stop5h 55m

Deal found 14/9£156

Find flight deals from Porto to Belfast

Round-trip from	£78
One-way from	£44

Ryanair
7/10-12/10
1 total stop
13h 10m total
Porto to Belfast

Search Deals

14/10-31/12
1 total stop
10h 40m total
Porto to Belfast

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Sun 15/11

22:00-06:55

1 stop8h 55m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£46

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Mon 16/11

12:00-08:05

1 stop20h 05m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£49

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Fri 20/11

15:10-19:05

1 stop27h 55m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£52

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Sun 13/12

20:00-09:40

1 stop13h 40m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£52

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Sat 14/11

13:40-13:35

1 stop23h 55m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£54

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Fri 13/11

15:10-19:05

1 stop27h 55m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£55

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Sun 13/12

12:30-06:45

1 stop18h 15m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£55

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Thu 10/12

09:00-07:55

1 stop22h 55m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£56

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Thu 12/11

09:00-19:45

1 stop10h 45m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£56

PortoBelfast

OPO Porto - BFS Belfast Intl

OPOBFS

Porto

Mon 14/12

22:25-08:00

1 stop9h 35m

Belfast Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£56

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 33 resultsSorted by cheapest first

Best time to book a flight from Porto to Belfast

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

OPO-BF1

OPO-BFS

OPO-BHD

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 Porto to Belfast

OPO-BF1

OPO-BFS

OPO-BHD

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Porto to Belfast as you normally would.

Related info for your journey

What airport do you fly from for flights from Porto to Belfast?
Porto (OPO), located 6.8 mi from the city center, is the airport you fly out of when you book flights from Porto to Belfast. 0 airlines have flights from Porto to Belfast on a regular basis. Booking flights from Porto to Belfast should not be difficult; the airport handles an average of 0 outbound flights to Belfast per day.
Can I find deals for flights from Porto to Belfast that include hotel bookings?
Yes. In addition to deals on Porto to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Porto to Belfast?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Belfast.
Can I find deals for business class flights from Porto to Belfast?
Yes. Cheapflights offers flight deals from Porto to Belfast 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

Browse thousands of different options on Cheapflights for your next trip

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How does Cheapflights help users find flights from Porto to Belfast?

Cheapflights makes it easy to find Porto to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Belfast from Porto by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Porto to Belfast with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Porto to Belfast flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Porto to Belfast from £44

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Porto to Belfast

Cheapest flights from Porto to BelfastExplore the most affordable flight options available from Porto to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Explore the most affordable flight options available from Porto to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Porto to BelfastDiscover carefully curated flight deals from Porto to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Discover carefully curated flight deals from Porto to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Direct flights from Porto to BelfastExplore direct flight options from Porto to Belfast based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Explore direct flight options from Porto to Belfast based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Last-minute flights from Porto to BelfastDiscover last-minute flight deals from Porto to Belfast. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Porto to Belfast. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Porto to BelfastSearch for one-way flight options from Porto to Belfast. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from Porto to Belfast. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

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Best time to book a flight from Porto to Belfast

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

Cheapflights Insights

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

Find hourly flight availability from Porto to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Porto to Belfast as you normally would.

Related info for your journey

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

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

How can I find direct flights from Porto to Belfast?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Porto to Belfast

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Belfast by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Northern Ireland

Book a non-stop flight to one of these other cities located in Northern Ireland.

Search flights from Porto to Belfast by cabin class

Find flights from Porto to Belfast, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Porto and Belfast flights

Browse other Porto and Belfast flight options. Last updated on 18 September 2026.

Other flights from Porto

Browse through other flights departing from Porto. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Porto to Belfast?

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

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

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

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Book with Flexibility

Travel Smart

Cheapest flights from Porto to Belfast
Explore the most affordable flight options available from Porto to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Porto to Belfast
Discover carefully curated flight deals from Porto to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Direct flights from Porto to Belfast
Explore direct flight options from Porto to Belfast based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Last-minute flights from Porto to Belfast
Discover last-minute flight deals from Porto to Belfast. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Porto to Belfast
Search for one-way flight options from Porto to Belfast. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.