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Cheap flights from Southampton to Porto from £70

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 13/7. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — OPO
27 Jun — 4 Jul1
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 May 2026.

Mon 6/717:55
SOU
-
OPO
1 stop13h 35m
Multiple Airlines
Wed 8/722:15
OPO
-
SOU
1 stop10h 30m
Multiple Airlines
Deal found 23/5£118
Mon 14/919:20
SOU
-
OPO
1 stop11h 50m
Multiple Airlines
Wed 16/922:15
OPO
-
SOU
1 stop10h 30m
Multiple Airlines
Deal found 25/5£161
Sat 27/618:10
SOU
-
OPO
1 stop15h 30m
Multiple Airlines
Sat 4/706:25
OPO
-
SOU
1 stop11h 45m
Multiple Airlines
Deal found 28/5£171
Fri 10/720:10
SOU
-
OPO
1 stop10h 40m
Multiple Airlines
Fri 17/709:25
OPO
-
SOU
2 stops21h 55m
Multiple Airlines
Deal found 26/5£186
Thu 11/611:40
SOU
-
OPO
2 stops20h 35m
Multiple Airlines
Wed 17/622:15
OPO
-
SOU
1 stop10h 30m
Multiple Airlines
Deal found 27/5£189

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 May 2026.

Round-trip from

£118

One-way from

£70

Popular in

December

Cheapest in

January

Average price

£174
6/7-8/7
  • 6/7-8/7
  • 2 total stops
  • 24h 05m total
  • Southampton to Porto
Search Deals
13/7
  • 13/7
  • 1 total stop
  • 6h 04m total
  • Southampton to Porto
Search Deals
High demand for flights, 10% 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 May 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 28 May 2026.
Use the filters below to find and compare flights from Southampton to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Mon 6/7

17:55-07:30

1 stop13h 35m

Porto

Wed 8/7

22:15-08:45

1 stop10h 30m

£118

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sat 27/6

18:10-09:40

1 stop15h 30m

Porto

Sat 4/7

06:25-18:10

1 stop11h 45m

£171

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Fri 10/7

20:10-06:50

1 stop10h 40m

Porto

Fri 17/7

09:25-07:20

2 stops21h 55m

£186

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Thu 11/6

09:25-09:25

1 stop24h 00m

Porto

Wed 17/6

22:15-08:45

1 stop10h 30m

£209
Cheapest one-way

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Mon 13/7

20:40-12:20

2 stops15h 40m

£96

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Tue 4/8

14:15-06:50

1 stop16h 35m

£113
Fastest single journey

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Fri 12/6

12:20-19:50

1 stop7h 30m

£132

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Wed 2/9

19:55-19:05

2 stops23h 10m

£318

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Thu 22/10

15:15-10:25

2 stops19h 10m

£455

Flights are sorted by cheapest return flights first.

Deals found on 23/5

Sorted by cheapest first

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.

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 May 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
7.8
Good
1,525 reviews
Check prices

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,525 reviews
KLM
7.8
Good
1,525 reviews
Check prices

Crew

8.4

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 £240, 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.

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

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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 28 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£240Average£356FlexibilityNo 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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