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Cheap flights from Southampton to Porto from £200

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/12. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — OPO
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Cheap 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 15 October 2025.

Round-trip from

£200

Popular in

August

Cheapest in

January

Average price

£144
22/12-9/1
  • 22/12-9/1
  • 3 total stops
  • 35h 45m total
  • Southampton to Porto
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£30 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find 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 15 October 2025.

Mon 22/1219:55SOU - OPO
1 stop11h 40mMultiple Airlines
Fri 9/114:45OPO - SOU
2 stops24h 05mMultiple Airlines
Deal found 13/10£200
Wed 24/1217:30SOU - OPO
1 stop17h 00mKLM
Sun 11/105:00OPO - SOU
1 stop12h 15mKLM
Deal found 13/10£288
Tue 23/1217:30SOU - OPO
1 stop17h 00mKLM
Sun 11/105:00OPO - SOU
1 stop12h 15mKLM
Deal found 13/10£299
Wed 24/1217:30SOU - OPO
1 stop4h 55mKLM
Fri 9/116:10OPO - SOU
1 stop16h 35mKLM
Deal found 13/10£311
Tue 23/1217:30SOU - OPO
1 stop17h 00mKLM
Fri 9/116:10OPO - SOU
1 stop16h 35mKLM
Deal found 13/10£321
Mon 22/1218:05SOU - OPO
1 stop16h 25mKLM
Fri 9/106:30OPO - SOU
1 stop26h 15mKLM
Deal found 13/10£322
Wed 24/1217:30SOU - OPO
1 stop17h 00mKLM
Wed 7/116:10OPO - SOU
1 stop16h 15mKLM
Deal found 13/10£341
Mon 22/1218:05SOU - OPO
1 stop16h 25mKLM
Thu 8/106:35OPO - SOU
1 stop10h 25mKLM
Deal found 13/10£346
Tue 23/1217:30SOU - OPO
1 stop17h 00mKLM
Wed 7/106:00OPO - SOU
1 stop11h 00mKLM
Deal found 13/10£352
Sat 20/1217:30SOU - OPO
1 stop4h 50mKLM
Thu 8/106:35OPO - SOU
1 stop10h 25mKLM
Deal found 13/10£390
Mon 22/1218:05SOU - OPO
1 stop16h 25mKLM
Wed 7/106:00OPO - SOU
1 stop11h 00mKLM
Deal found 13/10£399
Sat 20/1217:30SOU - OPO
1 stop4h 50mKLM
Fri 9/116:10OPO - SOU
1 stop16h 35mKLM
Deal found 13/10£412

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 15 October 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

Wed 24/12

17:30-10:30

1 stop17h 00m

Porto

Sun 11/1

05:00-17:15

1 stop12h 15m

£288

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Wed 24/12

17:30-10:30

1 stop17h 00m

Porto

Thu 8/1

06:35-17:00

1 stop10h 25m

£288

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Wed 24/12

17:30-22:25

1 stop4h 55m

Porto

Fri 9/1

16:10-08:45

1 stop16h 35m

£311

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sat 20/12

17:30-22:20

1 stop4h 50m

Porto

Sun 11/1

05:00-17:15

1 stop12h 15m

£390

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Mon 22/12

18:05-10:30

1 stop16h 25m

Porto

Wed 7/1

06:00-17:00

1 stop11h 00m

£399

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sat 20/12

17:30-22:20

1 stop4h 50m

Porto

Fri 9/1

16:10-08:45

1 stop16h 35m

£412

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Mon 30/3

17:35-08:05

1 stop14h 30m

Porto

Tue 31/3

16:20-17:00

1 stop24h 40m

£428

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sat 20/12

17:30-22:20

1 stop4h 50m

Porto

Wed 7/1

16:10-08:25

1 stop16h 15m

£443

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sun 21/12

18:05-10:30

1 stop16h 25m

Porto

Sun 11/1

05:00-17:15

1 stop12h 15m

£449

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sun 21/12

18:05-10:30

1 stop16h 25m

Porto

Fri 9/1

16:10-08:45

1 stop16h 35m

£472

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 15 results
1
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 £65). 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 15 October 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
1,402 reviews
Check prices

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,402 reviews
KLM
7.7
Good
1,402 reviews
Check prices

Food

7.2

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 17h. Fly via KLM to get the fastest option. Airlines will cover a distance of 755 mi.

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

    KLM, at £180, 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 £65). 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
Coimbra
Guimarães
Chaves
Viseu
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southampton to Porto

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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 15 October 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£180Average£365FlexibilityNo 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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