How do most travelers feel about Ryanair?

When planning your LON-OPO trip, keep in mind that Ryanair is typically rated 6.9/10. This rating comes from 5,488 reviews by Cheapflights users who have traveled with Ryanair.

Can I get a flight from London to Porto on Ryanair for under £221?

Ryanair offers 30 flights from London to Porto for under £221. Prices vary by date and time. To see all prices and select your dates, click here.

How far ahead should I book a flight from London to Porto with Ryanair?

Booking with Ryanair 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Porto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Porto with Ryanair?

Currently, the most affordable month to book a Ryanair flight from London to Porto in January, with an average price of £75. Conversely, traveling with Ryanair from London to Porto in December will be the most expensive, with an average cost of £242. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

£46+ Ryanair Flights from London to Porto

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Cheapest Ryanair flights from London to Porto
Explore the most affordable Ryanair flight options available from London to Porto. Find the lowest fares with prices last updated on 1 September 2026.

Tue 15/921:15 -

Nonstop2h 25m

Sat 26/921:50 -

Nonstop2h 25m

Deal found 1/9£89

Wed 9/907:15 -

1 stop4h 55m

Tue 15/920:30 -

Nonstop2h 25m

Deal found 1/9£89

Sat 17/1015:15 -

1 stop8h 35m

Mon 19/1020:50 -

1 stop10h 30m

Deal found 28/8£90

How do most travelers feel about Ryanair?
When planning your LON-OPO trip, keep in mind that Ryanair is typically rated 6.9/10. This rating comes from 5,488 reviews by Cheapflights users who have traveled with Ryanair.
Can I get a flight from London to Porto on Ryanair for under £221?
Ryanair offers 30 flights from London to Porto for under £221. Prices vary by date and time. To see all prices and select your dates, click here.

Ryanair flights from London to Porto in 2026

One-way from	£46
Return from	£89
Popular in	December
Cheapest in	January
Average price (all airlines)	£148

Ryanair
28/9
1 total stop
6h 30m total
London to Porto

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Ryanair
15/9-26/9
Nonstop
4h 50m total
London to Porto

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Highest demand for flights from London to Porto; 6% potential price increase.

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Best time to find cheap flights from London to Porto; 5% potential price drop.

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Average price for all London to Porto flights (one-way and round-trip).

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LON-OPO

STN-OPO

LTN-OPO

Which month is the cheapest to fly Economy class from London to Porto?

For Economy class flights, the cheapest month to fly this route is January. The most expensive months are December and August.

Rainfall in Porto by month

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

Temperature in Porto by month

If weather is an important factor for your trip to Porto, 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 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

When is the best time to book a flight to Porto with Ryanair?

The best time to book a flight to Porto with Ryanair is 63 days before departure. On average, fares are higher if you book 81 days before departure.

Best time to book a flight from London to Porto

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

LON-OPO

STN-OPO

LTN-OPO

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.

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Ryanair flights from London to Porto (LON - OPO)

Find Ryanair flight deals from London to Porto

Cheapest Ryanair flights from London to PortoExplore the most affordable Ryanair flight options available from London to Porto. Find the lowest fares with prices last updated on 1 September 2026.

Explore the most affordable Ryanair flight options available from London to Porto. Find the lowest fares with prices last updated on 1 September 2026.

Best Ryanair flights from London to PortoDiscover carefully curated Ryanair flight deals from London to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Discover carefully curated Ryanair flight deals from London to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Direct Ryanair flights from London to PortoExplore direct Ryanair flight options from London to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Explore direct Ryanair flight options from London to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Last-minute Ryanair flights from London to PortoDiscover last-minute Ryanair flight deals from London to Porto. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute Ryanair flight deals from London to Porto. Data last updated 1 September 2026 and is based on user searches.

One-way Ryanair flights to PortoSearch for one-way Ryanair flight options to Porto. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Search for one-way Ryanair flight options to Porto. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

How do most travelers feel about Ryanair?

Can I get a flight from London to Porto on Ryanair for under £221?

Ryanair flights from London to Porto in 2026

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

Which month is the cheapest to fly Economy class from London to Porto?

For Economy class flights, the cheapest month to fly this route is January. The most expensive months are December and August.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

When is the best time to book a flight to Porto with Ryanair?

The best time to book a flight to Porto with Ryanair is 63 days before departure. On average, fares are higher if you book 81 days before departure.

Best time to book a flight from London to Porto

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

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.

Fly from London to Porto on another airline

Consider alternative airlines that service the Porto area. Flight routes are based on user searches made on Cheapflights and were last updated on 1 September 2026.

Other Ryanair flights from London

Browse through other Ryanair flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 1 September 2026.

Complete your trip

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

Other airlines servicing London and Porto

Choose from other airlines serving London and Porto.

Other popular destinations in Europe

If Porto is not for you, choose from these other destinations located in Europe. Flight routes are based on user searches made on Cheapflights and were last updated on 1 September 2026.

Popular flights with Ryanair

Browse through some of the most popular routes that Ryanair offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 1 September 2026.

See what others are saying about Ryanair

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Cheapest Ryanair flights from London to Porto
Explore the most affordable Ryanair flight options available from London to Porto. Find the lowest fares with prices last updated on 1 September 2026.

Best Ryanair flights from London to Porto
Discover carefully curated Ryanair flight deals from London to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Direct Ryanair flights from London to Porto
Explore direct Ryanair flight options from London to Porto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Last-minute Ryanair flights from London to Porto
Discover last-minute Ryanair flight deals from London to Porto. Data last updated 1 September 2026 and is based on user searches.

One-way Ryanair flights to Porto
Search for one-way Ryanair flight options to Porto. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.