$30 Cheap Flights from London (STN) to Porto (OPO)

View $30 flight on Sun, Sep 28, 2025Opens in a new window

Popular airlines from Stansted Airport (STN) to Porto Airport (OPO)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from London to Porto (STN-OPO)

Prices were available within the past 7 days and start at $30 for one-way flights and $64 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Wed, Oct 1 - Wed, Oct 22
STN
London
OPO
Porto
$64 Roundtrip, found 6 days ago
$64
Roundtrip
found 6 days ago
Select Ryanair flight, departing Wed, Oct 1 from London to Porto, returning Wed, Oct 22, priced at $64 found 6 days ago
Ryanair
Tue, Oct 7 - Fri, Oct 17
STN
London
OPO
Porto
$66 Roundtrip, found 19 hours ago
$66
Roundtrip
found 19 hours ago
Select Ryanair flight, departing Tue, Oct 7 from London to Porto, returning Fri, Oct 17, priced at $66 found 19 hours ago
Ryanair
Sat, Sep 27 - Sat, Oct 4
STN
London
OPO
Porto
$66 Roundtrip, found 6 days ago
$66
Roundtrip
found 6 days ago
Select Ryanair flight, departing Sat, Sep 27 from London to Porto, returning Sat, Oct 4, priced at $66 found 6 days ago
Ryanair
Tue, Oct 7 - Thu, Oct 9
STN
London
OPO
Porto
$67 Roundtrip, found 5 hours ago
$67
Roundtrip
found 5 hours ago
Select Ryanair flight, departing Tue, Oct 7 from London to Porto, returning Thu, Oct 9, priced at $67 found 5 hours ago
Ryanair
Mon, Oct 13 - Thu, Oct 16
STN
London
OPO
Porto
$68 Roundtrip, found 2 days ago
$68
Roundtrip
found 2 days ago
Select Ryanair flight, departing Mon, Oct 13 from London to Porto, returning Thu, Oct 16, priced at $68 found 2 days ago
Ryanair
Wed, Sep 24 - Wed, Oct 1
STN
London
OPO
Porto
$69 Roundtrip, found 6 days ago
$69
Roundtrip
found 6 days ago
Select Ryanair flight, departing Wed, Sep 24 from London to Porto, returning Wed, Oct 1, priced at $69 found 6 days ago
Ryanair
Sun, Oct 19 - Tue, Oct 21
STN
London
OPO
Porto
$70 Roundtrip, found 17 hours ago
$70
Roundtrip
found 17 hours ago
Select Ryanair flight, departing Sun, Oct 19 from London to Porto, returning Tue, Oct 21, priced at $70 found 17 hours ago
Ryanair
Sun, Oct 5 - Wed, Oct 8
STN
London
OPO
Porto
$71 Roundtrip, found 23 hours ago
$71
Roundtrip
found 23 hours ago
Select Ryanair flight, departing Sun, Oct 5 from London to Porto, returning Wed, Oct 8, priced at $71 found 23 hours ago
Ryanair
Wed, Oct 1 - Thu, Oct 2
STN
London
OPO
Porto
$72 Roundtrip, found 5 days ago
$72
Roundtrip
found 5 days ago
Select Ryanair flight, departing Wed, Oct 1 from London to Porto, returning Thu, Oct 2, priced at $72 found 5 days ago
Lufthansa
Mon, Sep 29 - Wed, Oct 1
STN
London
OPO
Porto
$431 Roundtrip, found 6 days ago
$431
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, Sep 29 from London to Porto, returning Wed, Oct 1, priced at $431 found 6 days ago

Alternative airports near Porto

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dr. Francisco de Sa Carneiro OPO. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $66
OPO
Dr. Francisco de Sa Carneiro
CheapestClosest
Average driving time to city center14 min
Flights from $66
Flights from London (STN) to Porto (OPO)
Origin airport
Stansted
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Lufthansa, Ryanair
Roundtrip price
$64
Distance
848 mi
Average flight time
2 hours 25 mins

London to Porto Flights

The cheapest times to fly from London to Porto

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 London to Porto are during the month of October. You can find some of the cheapest flights from London to Porto with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Porto

Sunday is one of the best days to book for cheap flights from London to Porto: 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 London to Porto

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 London to Porto in 2025. You can also book with separate airlines for your outbound and return journeys, from $30 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 London to Porto 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 London to Porto 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

How much does a flight from Stansted Airport (STN) to Dr. Francisco de Sa Carneiro Airport (OPO) cost?
Grab a cheap one-way flight from $30 or cheap return flight from $64 from Stansted Airport (STN) to Dr. Francisco de Sa Carneiro Airport (OPO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Stansted Airport (STN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
October is the most affordable month to fly from STN to OPO. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from Stansted Airport (STN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from STN to OPO. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Stansted Airport (STN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
When departing from Stansted Airport (STN), you can take your pick from an average of 3 daily nonstop flights to Dr. Francisco de Sa Carneiro Airport (OPO).
What are the most popular departure times for flights from Stansted Airport (STN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
The 9 AM departures from STN to OPO are the most sought after. They can also be more expensive. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from STN to OPO?
Saturday has the most flights from Stansted Airport (STN) to Dr. Francisco de Sa Carneiro Airport (OPO). Consider jetting off on this day and you'll have a greater chance of finding a departure that fits your itinerary.
What is the earliest flight from Stansted Airport (STN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Catch the earliest flight at around 5:55AM UTC+0, heading out of Stansted Airport (STN). You'll be traveling for about 2h 25m, landing at Dr. Francisco de Sa Carneiro Airport (OPO) at approximately 8:20AM UTC+0.
How long does it take to fly from Stansted Airport (STN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
The average flight duration from STN to OPO is 2 hours and 22 minutes, covering a distance of 850 mi.
What is the best time to fly from Stansted Airport (STN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
To land at Dr. Francisco de Sa Carneiro Airport (OPO) without delays, select a flight that leaves from Stansted Airport (STN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Porto from Stansted Airport (STN)?
Dr. Francisco de Sa Carneiro Airport (OPO) is the only airport in Porto with direct flights from Stansted Airport (STN). Consider the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Stansted Airport (STN) to Dr. Francisco de Sa Carneiro Airport (OPO) last-minute?
Last-minute fares from STN to OPO are generally more expensive. To secure the best rates, start looking for flights ahead of time. That being said, if you're flexible with your travel dates, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a STN to OPO flight and hotel package?
Compared with arranging hotels and flights separately, booking a STN to OPO flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the hassle out of travel planning. Just pick your flights and choose from our wide range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Stansted Airport (STN) to Dr. Francisco de Sa Carneiro Airport (OPO)?
If you booked your STN to OPO flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.