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Cheap flights from Southampton to Porto from £165

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — OPO
15 Aug — 22 Aug1
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 16 July 2026.

Mon 24/817:55
SOU
-
OPO
1 stop13h 35m
Multiple Airlines
Fri 28/815:40
OPO
-
SOU
2 stops15h 40m
Multiple Airlines
Deal found 11/7£165
Mon 28/919:20
SOU
-
OPO
1 stop12h 40m
Multiple Airlines
Fri 2/1021:50
OPO
-
SOU
2 stops13h 55m
Multiple Airlines
Deal found 12/7£174
Thu 27/820:00
SOU
-
OPO
2 stops19h 40m
Multiple Airlines
Wed 2/922:15
OPO
-
SOU
1 stop10h 30m
Multiple Airlines
Deal found 16/7£187
Thu 27/818:05
SOU
-
OPO
1 stop16h 35m
KLM
Wed 2/919:10
OPO
-
SOU
1 stop13h 25m
KLM
Deal found 16/7£201
Mon 28/920:40
SOU
-
OPO
1 stop26h 25m
easyJet
Fri 2/1009:45
OPO
-
SOU
1 stop21h 35m
easyJet
Deal found 12/7£203

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 16 July 2026.

Round-trip from

£165

Popular in

December

Cheapest in

January

Average price

£178
24/8-28/8
  • 24/8-28/8
  • 3 total stops
  • 29h 15m total
  • Southampton to Porto
Search Deals
High demand for flights, 9% potential price rise
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Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in July 2026
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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 16 July 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 24/8

17:55-07:30

1 stop13h 35m

Porto

Fri 28/8

15:40-07:20

2 stops15h 40m

£165

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Thu 27/8

20:00-15:40

2 stops19h 40m

Porto

Wed 2/9

22:15-08:45

1 stop10h 30m

£187

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Thu 27/8

18:05-10:40

1 stop16h 35m

Porto

Wed 2/9

19:10-08:35

1 stop13h 25m

£201

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Mon 28/9

20:40-23:05

1 stop26h 25m

Porto

Fri 2/10

09:45-07:20

1 stop21h 35m

£203
Cheapest one-way
Fastest single journey

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Fri 9/10

15:00-09:50

2 stops18h 50m

£339

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Fri 11/9

19:55-19:05

2 stops23h 10m

£385

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Thu 8/10

15:00-10:25

2 stops19h 25m

£386

Flights are sorted by cheapest return flights first.

Deals found on 11/7

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.

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 16h 35m. Fly via KLM to get the fastest option. Airlines will cover a distance of 755 mi.

  • 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
Chaves
Coimbra
Vila Nova de Gaia
Aveiro

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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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