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£139 Cheap Flights from Southampton (SOU) to Porto (OPO)

View £139 flight on Sun, 6 Sept 2026Opens in a new window

Popular airlines from Southampton (SOU) to Porto Airport (OPO)

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Cheap Flights from Southampton (SOU) to Porto (OPO)

Prices were available within the past 7 days and start at £139 for one-way flights and £203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Tue, 22 Sept - Fri, 25 Sept
SOU
Southampton
OPO
Porto
£203 Return, found 3 days ago
£203
Return
found 3 days ago
Select KLM flight, departing Tue, 22 Sept from Southampton to Porto, returning Fri, 25 Sept, priced at £203 found 3 days ago
KLM
Sat, 10 Oct - Tue, 13 Oct
SOU
Southampton
OPO
Porto
£205 Return, found 6 days ago
£205
Return
found 6 days ago
Select KLM flight, departing Sat, 10 Oct from Southampton to Porto, returning Tue, 13 Oct, priced at £205 found 6 days ago
KLM
Tue, 22 Sept - Fri, 25 Sept
SOU
Southampton
OPO
Porto
£207 Return, found 3 days ago
£207
Return
found 3 days ago
Select KLM flight, departing Tue, 22 Sept from Southampton to Porto, returning Fri, 25 Sept, priced at £207 found 3 days ago
KLM
Sun, 6 Sept - Wed, 9 Sept
SOU
Southampton
OPO
Porto
£212 Return, found 3 hours ago
£212
Return
found 3 hours ago
Select KLM flight, departing Sun, 6 Sept from Southampton to Porto, returning Wed, 9 Sept, priced at £212 found 3 hours ago
KLM
Thu, 27 Aug - Wed, 2 Sept
SOU
Southampton
OPO
Porto
£215 Return, found 1 day ago
£215
Return
found 1 day ago
Select KLM flight, departing Thu, 27 Aug from Southampton to Porto, returning Wed, 2 Sept, priced at £215 found 1 day ago
KLM
Thu, 27 Aug - Fri, 11 Sept
SOU
Southampton
OPO
Porto
£215 Return, found 6 days ago
£215
Return
found 6 days ago
Select KLM flight, departing Thu, 27 Aug from Southampton to Porto, returning Fri, 11 Sept, priced at £215 found 6 days ago
KLM
Tue, 22 Sept - Fri, 25 Sept
SOU
Southampton
OPO
Porto
£221 Return, found 3 days ago
£221
Return
found 3 days ago
Select KLM flight, departing Tue, 22 Sept from Southampton to Porto, returning Fri, 25 Sept, priced at £221 found 3 days ago
KLM
Tue, 22 Sept - Fri, 25 Sept
SOU
Southampton
OPO
Porto
£224 Return, found 3 days ago
£224
Return
found 3 days ago
Select KLM flight, departing Tue, 22 Sept from Southampton to Porto, returning Fri, 25 Sept, priced at £224 found 3 days ago
KLM
Tue, 1 Sept - Thu, 10 Sept
SOU
Southampton
OPO
Porto
£225 Return, found 3 days ago
£225
Return
found 3 days ago
Select KLM flight, departing Tue, 1 Sept from Southampton to Porto, returning Thu, 10 Sept, priced at £225 found 3 days ago
British Airways
Mon, 7 Dec - Wed, 9 Dec
SOU
Southampton
OPO
Porto
£628 Return, found 4 hours ago
£628
Return
found 4 hours ago
Select British Airways flight, departing Mon, 7 Dec from Southampton to Porto, returning Wed, 9 Dec, priced at £628 found 4 hours 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 centre is 14 minutes. Flights from £384
OPO
Dr. Francisco de Sa Carneiro
CheapestClosest
Average driving time to city centre14 min
Flights from £384

Frequently asked questions

How much does a flight from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro) cost?
You can find one-way and return flights from SOU to OPO with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SOU to OPO ticket fares go up or down.
What is the cheapest month to fly from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The cheapest months to fly from SOU to OPO are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Enter SOU to OPO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
To find a cheap flight from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
There are approximately 2 connecting flights per day from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro). Some common connection points include Schiphol (AMS), Manchester (MAN), and Dublin (DUB).
What is the earliest flight from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The earliest flight from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro) typically departs at around 9:20 AM local time, operated by KLM. This is a seasonal service active only in October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
There are no nonstop flights from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro). The distance between these two cities is approximately 1,217 kilometers. If you're looking for a flight with one stop, the typical travel time is around 5 hours. Flights with two or more stops usually take much longer, often around 25 hours. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and wind patterns.
Can you fly business or first class from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Select the "Business class" and "First class" filters when looking for SOU to OPO flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight with Expedia?
It's easy to earn miles on a Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Porto (OPO) from Southampton (SOU)?
If you're planning to travel to Porto from Southampton Airport (SOU), you can fly directly into Dr. Francisco de Sa Carneiro (OPO). Some flights may connect through major hubs like Schiphol (AMS) before reaching Porto. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro) at the last minute?
Typically, booking a last minute flight from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight and hotel package?
Securing a Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
If you booked your Southampton (SOU) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Southampton
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
British Airways, KLM
Return price
£203
Distance
1209 km

Book with confidence

Compare flights from Southampton to Porto easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Southampton to Porto. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Dr. Francisco de Sa Carneiro in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Southampton to Dr. Francisco de Sa Carneiro.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Southampton (SOU) to Dr. Francisco de Sa Carneiro (OPO)

The easiest way to view the best deals on flights from Southampton to Porto today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Southampton to Dr. Francisco de Sa Carneiro start at just £203 and range up to £628.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Southampton and Porto
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Southampton to Porto flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Southampton to Dr. Francisco de Sa Carneiro for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Southampton to Porto easily and book with confidence

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*Available to Expedia members.