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Cheap flights from Southampton to Porto from £77

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — OPO
26 Mar — 2 Apr1
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 24 February 2026.

Thu 9/409:05
SOU
-
OPO
1 stop14h 10m
Multiple Airlines
Thu 16/422:00
OPO
-
SOU
1 stop10h 45m
Multiple Airlines
Deal found 23/2£128
Thu 9/409:05
SOU
-
OPO
1 stop14h 10m
Multiple Airlines
Wed 15/413:10
OPO
-
SOU
1 stop19h 25m
Multiple Airlines
Deal found 24/2£138
Wed 8/420:00
SOU
-
OPO
2 stops20h 05m
Multiple Airlines
Wed 15/413:10
OPO
-
SOU
1 stop19h 25m
Multiple Airlines
Deal found 22/2£170
Sun 22/320:10
SOU
-
OPO
2 stops25h 25m
Multiple Airlines
Sun 29/322:20
OPO
-
SOU
2 stops21h 45m
Multiple Airlines
Deal found 22/2£202

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 24 February 2026.

Round-trip from

£128

One-way from

£77

Popular in

December

Cheapest in

January

Average price

£118
9/4-16/4
  • 9/4-16/4
  • 2 total stops
  • 24h 55m total
  • Southampton to Porto
Search Deals
26/4
  • 26/4
  • 1 total stop
  • 24h 25m 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 February 2026
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 24 February 2026.
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

Thu 9/4

09:05-23:15

1 stop14h 10m

Porto

Thu 16/4

22:00-08:45

1 stop10h 45m

£128

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Thu 9/4

09:05-23:15

1 stop14h 10m

Porto

Wed 15/4

13:10-08:35

1 stop19h 25m

£138

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Wed 25/3

12:00-22:50

2 stops10h 50m

Porto

Wed 1/4

13:10-08:35

1 stop19h 25m

£228

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Fri 5/6

09:25-00:40

2 stops15h 15m

Porto

Fri 31/7

05:05-20:15

2 stops15h 10m

£273

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sat 28/3

15:20-23:35

1 stop8h 15m

Porto

Mon 6/4

22:25-08:40

1 stop10h 15m

£312

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sun 29/3

17:20-22:15

1 stop4h 55m

Porto

Mon 6/4

19:00-08:35

1 stop13h 35m

£366

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sun 26/4

12:35-13:00

1 stop24h 25m

£79

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sun 26/4

12:35-12:00

2 stops23h 25m

£107

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sat 15/8

06:50-19:35

2 stops12h 45m

£159

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sun 26/4

09:15-18:10

1 stop8h 55m

£161

Flights are sorted by cheapest return flights first.

Deals found on 22/2

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, November is the cheapest month in which you can book a flight from Southampton to Porto (average of £15). Flying from Southampton to Porto in July is currently the most expensive (average of £61). 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 24 February 2026.
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
1,460 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Food

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,460 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Food

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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.

  • 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, November is the cheapest month in which you can book a flight from Southampton to Porto (average of £15). Flying from Southampton to Porto in July is currently the most expensive (average of £61). 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
Viseu
Guimarães
Coimbra
Chaves
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.

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 24 February 2026.
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.

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