$25 Cheap Flights from Porto (OPO) to London (STN)

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Find available prices by choosing your travel dates.

Cheap Flights from Porto to London (OPO-STN)

Prices were available within the past 7 days and start at $25 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Flights from Porto (OPO) to London (STN)
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Stansted
Airlines serving
Ryanair
Roundtrip price
$58
Distance
848 mi

Porto to London Flights

The cheapest times to fly from Porto to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Porto to London are during the month of May. You can find some of the cheapest flights from Porto to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Porto to London

Sunday is one of the best days to book for cheap flights from Porto to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Porto to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Porto to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $25 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Porto to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Porto to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from Dr. Francisco de Sa Carneiro Airport (OPO) to Stansted Airport last minute?
Booking your flight from Dr. Francisco de Sa Carneiro Airport (OPO) to STN last minute could save you money if you’re lucky to find a real bargain. However, tickets usually don’t drop in price as the departure date nears. If you choose to wait, flights could also be booked up or the best seats taken. If you don’t want to risk it, book well in advance of when you want to leave. Keep in mind that some of the best deals can be found up to a year in advance. If your preferred carrier hasn’t released tickets yet, check back regularly as offers are updated on Expedia all the time.
What airports do you fly into for London from Porto?
Porto to London flights touch down at Stansted Airport (STN). Drop your suitcase off at your hotel and then head out to see some of the city’s leading sights, such as Big Ben and Buckingham Palace. The airport is approximately 30 mi northeast of downtown London.
Can I change the date of my flight from Porto Airport to Stansted Airport (STN)?
Plans can get upended, so Expedia is here to help make amending your trip as easy as possible. First, find your OPO to STN itinerary through the Expedia Trips portal and check the fare conditions about what sorts of changes are allowed. If you booked your airfare in the last 24 hours, some carriers will allow you to cancel for free and organize new flights. If you bought your ticket more than 24 hours ago, contact us via our Customer Service portal so we can assist you further.

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*Available to One Key members.