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..

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

What is the cheapest time of day to fly from SOU to OPO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Porto as you normally would.

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.

£72+ Flights from Southampton to Porto

Cheap flight deals from Southampton to Porto

Round-trip from	£163
One-way from	£72
Popular in	August
Cheapest in	January
Average price	£143

25/11-2/12
2 total stops
22h 50m total
Southampton to Porto

Search Deals

15/12
1 total stop
12h 15m total
Southampton to Porto

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£31 potential increase over avg. return price).

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Cheapest flight prices on average. 5% potential price decrease (£5 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 13 October 2025.

Tue 25/1115:20SOU - OPO

1 stop16h 45mMultiple Airlines

Tue 2/1208:45OPO - SOU

1 stop6h 05mMultiple Airlines

Deal found 11/10£163

Fri 21/1119:50SOU - OPO

1 stop11h 25mMultiple Airlines

Sun 23/1118:00OPO - SOU

2 stops25h 20mMultiple Airlines

Deal found 12/10£174

Mon 22/1219:55SOU - OPO

1 stop11h 40mMultiple Airlines

Fri 9/114:45OPO - SOU

2 stops24h 05mMultiple Airlines

Deal found 13/10£199

Wed 24/1217:30SOU - OPO

1 stop17h 00mKLM

Sun 11/105:00OPO - SOU

1 stop12h 15mKLM

Deal found 13/10£287

Tue 23/1217:30SOU - OPO

1 stop17h 00mKLM

Thu 8/106:35OPO - SOU

1 stop10h 25mKLM

Deal found 13/10£298

Best flights from Southampton to Porto
Discover carefully curated flight deals from Southampton to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 October 2025.

Tue 25/1115:20SOU - OPO

1 stop16h 45mMultiple Airlines

Tue 2/1208:45OPO - SOU

1 stop6h 05mMultiple Airlines

Deal found 11/10£163

Wed 24/1217:30SOU - OPO

1 stop17h 00mKLM

Sun 11/105:00OPO - SOU

1 stop12h 15mKLM

Deal found 13/10£287

Fri 21/1119:50SOU - OPO

1 stop11h 25mMultiple Airlines

Sun 23/1118:00OPO - SOU

2 stops25h 20mMultiple Airlines

Deal found 12/10£174

Wed 24/1217:30SOU - OPO

1 stop17h 00mKLM

Thu 8/106:35OPO - SOU

1 stop10h 25mKLM

Deal found 13/10£287

Wed 24/1217:30SOU - OPO

1 stop4h 55mKLM

Fri 9/116:10OPO - SOU

1 stop16h 35mKLM

Deal found 13/10£310

Last-minute flights from Southampton to Porto
Discover last-minute flight deals from Southampton to Porto. Data last updated 13 October 2025 and is based on user searches.

Sun 26/1018:25SOU - OPO

2 stops18h 40mMultiple Airlines

Sun 2/1114:50OPO - SOU

2 stops28h 30mMultiple Airlines

Deal found 11/10£335

Sun 26/1009:30SOU - OPO

1 stop5h 55mKLM

Sun 2/1105:00OPO - SOU

1 stop27h 10mKLM

Deal found 11/10£354

Fri 21/1119:50SOU - OPO

1 stop11h 25mMultiple Airlines

Sun 23/1118:00OPO - SOU

2 stops25h 20mMultiple Airlines

Deal found 12/10£174

Tue 25/1115:20SOU - OPO

1 stop16h 45mMultiple Airlines

Tue 2/1208:45OPO - SOU

1 stop6h 05mMultiple Airlines

Deal found 11/10£163

One-way flights from Southampton to Porto
Search for one-way flight options from Southampton to Porto. Find affordable one-way fares based on user searches. Data last updated 13 October 2025.

Mon 15/1219:55SOU - OPO

1 stop12h 15mMultiple Airlines

Deal found 11/10£72

Wed 17/1214:25SOU - OPO

1 stop19h 15mMultiple Airlines

Deal found 11/10£216

Thu 18/1214:45SOU - OPO

2 stops19h 20mMultiple Airlines

Deal found 11/10£250

Tue 28/1019:40SOU - OPO

2 stops22h 05mBritish Airways

Deal found 11/10£342

Mon 27/1018:10SOU - OPO

2 stops47h 35mBritish Airways

Deal found 11/10£348

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Tue 25/11

15:20-08:05

1 stop16h 45m

Porto

Tue 2/12

08:45-14:50

1 stop6h 05m

£163

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Fri 21/11

19:50-07:15

1 stop11h 25m

Porto

Sun 23/11

18:00-19:20

2 stops25h 20m

£174

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

£287

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

£287

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

£310

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Mon 15/12

19:55-08:10

1 stop12h 15m

£72

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Wed 17/12

14:25-09:40

1 stop19h 15m

£216

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Mon 27/10

18:10-17:45

2 stops47h 35m

£348

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Thu 18/12

14:15-14:50

3 stops24h 35m

£356

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Wed 29/10

12:25-16:45

2 stops28h 20m

£396

Flights are sorted by cheapest return flights first.

Deals found on 11/10

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 £64). 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

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

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

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

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 £64). 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

Coimbra

Guimarães

Chaves

Viseu

Vila Nova de Gaia

Aveiro

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Other flights to Porto

Top airline flying from Southampton to Porto

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£180	Average£364	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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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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Cheap flights from Southampton to Porto from £72

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to Porto

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Southampton to Porto

Cheapest flights from Southampton to PortoExplore 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 13 October 2025.

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 13 October 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Southampton to Porto that are best for you.

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.

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?

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 13 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.

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?

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

How can I find direct flights from Southampton to Porto?

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

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

Travelling to a place near Porto?

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.

Top airline flying from Southampton to Porto

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?

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

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

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

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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 13 October 2025.