Find flights
When to book
Airlines
FAQs

Cheap flights from Southampton to Porto from £162

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — OPO
27 Jan — 3 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Porto
Explore the most affordable flight options available from Southampton to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 December 2025.

Sun 28/1218:30SOU - OPO
2 stops37h 10mMultiple Airlines
Sun 4/121:55OPO - SOU
1 stop21h 25mMultiple Airlines
Deal found 27/12£493

Find flight deals from Southampton to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 December 2025.

Round-trip from

£162

Popular in

December

Cheapest in

January

Average price

£221
easyJet
  • easyJet
  • 10/2-17/2
  • 2 total stops
  • 28h 45m total
  • Southampton to Porto
Search Deals
High demand for flights, 7% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 28 December 2025.
Use the filters below to find and compare flights from Southampton to Porto that are best for you.

Fly from

Southampton

Fly to

Porto

Route

Depart

Return

Price

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Tue 10/2

15:20-11:30

1 stop20h 10m

Porto

Tue 17/2

06:15-14:50

1 stop8h 35m

£162

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sat 20/6

20:05-17:20

1 stop21h 15m

Porto

Tue 30/6

18:00-13:40

1 stop19h 40m

£188

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Tue 10/2

15:20-08:05

1 stop16h 45m

Porto

Tue 17/2

13:00-08:50

2 stops19h 50m

£193

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Wed 22/4

17:20-18:10

1 stop24h 50m

Porto

Sun 26/4

05:00-08:35

1 stop27h 35m

£241

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Wed 22/4

15:35-21:50

1 stop6h 15m

Porto

Sun 26/4

18:00-08:40

2 stops14h 40m

£323

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sat 20/6

09:15-18:10

1 stop8h 55m

Porto

Tue 30/6

06:15-16:50

2 stops10h 35m

£1,579

Flights are sorted by cheapest return flights first.

Deals found on 27/12

Best time to book a flight from Southampton to Porto

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

What is the cheapest month to book a flight from Southampton to Porto?

Currently, March is the cheapest month in which you can book a flight from Southampton to Porto (average of £27). Flying from Southampton to Porto in July is currently the most expensive (average of £100). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 28 December 2025.
Check out reviews from past customers who have flown with KLM from Southampton to Porto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,435 reviews
Check prices

Crew

8.4

Food

7.2

Comfort

7.6

Entertainment

7.1

Boarding

7.7

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,435 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Crew

8.4

Food

7.2

Comfort

7.6

Entertainment

7.1

Boarding

7.7

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

Find useful and relevant information for your journey from Southampton to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Southampton to Porto?

    There are many flights that can get you from Southampton to Porto in 20h 10m. Fly via easyJet or KLM to get the fastest option. Airlines will cover a distance of 755 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Southampton to Porto round-trip?

    KLM, at £232, was found to be the cheapest airline from Southampton to Porto..

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

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

  • How can I find direct flights from Southampton to Porto?

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

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

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

  • What is the cheapest month to book a flight from Southampton to Porto?

    Currently, March is the cheapest month in which you can book a flight from Southampton to Porto (average of £27). Flying from Southampton to Porto in July is currently the most expensive (average of £100). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Santa Maria da Feira
Guimarães
Coimbra
Chaves
Viseu
Vila Nova de Gaia
Aveiro

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 Southampton to Porto

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Lisbon flights
Heathrow to Lisbon flights
Luton to Lisbon flights
Gatwick to Porto flights
Stansted to Lisbon flights
Heathrow to Faro flights
London City to Lisbon flights
Gatwick to Funchal flights
Gatwick to Faro flights
Heathrow to Funchal flights
Heathrow to Porto flights
Manchester to Lisbon flights
Luton to Faro flights
London City to Porto flights
Stansted to Faro flights
Stansted to Porto flights
Manchester to Faro flights
London City to Faro flights
London City to Funchal flights
Luton to Porto flights
Luton to Funchal flights
Bristol to Faro flights
Bristol to Lisbon flights
Stansted to Funchal flights
Southend to Lisbon flights
Edinburgh to Lisbon flights
Manchester to Funchal flights
Manchester to Porto flights
Southend to Faro flights
Birmingham to Faro flights
Liverpool to Faro flights
Birmingham to Lisbon flights
Birmingham to Porto flights
Edinburgh to Porto flights
Southend to Porto flights
Edinburgh to Faro flights
Bristol to Porto flights
Heathrow to Ponta Delgada flights
Gatwick to Ponta Delgada flights
Newcastle upon Tyne to Faro flights
Leeds to Faro flights
Southampton to Lisbon flights
Bristol to Funchal flights
Newcastle upon Tyne to Porto flights
Luton to Ponta Delgada flights
Birmingham to Funchal flights
East Midlands to Faro flights
Stansted to Ponta Delgada flights
Exeter to Faro flights
Leeds to Lisbon flights

Top airline flying from Southampton to Porto

Discover the top airline that operate flights from Southampton to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£232Average£354FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Southampton to Porto flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southampton to Porto.

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

Need flexible booking options for your flight to Porto from Southampton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from Southampton to Porto and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.