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Cheap flights from Southampton to Portugal from £23

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — LIS
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Portugal

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Portugal
Explore the most affordable flight options available from Southampton to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Wed 17/1220:10SOU - FAO
2 stops23h 45mMultiple Airlines
Sun 21/1210:15FAO - SOU
1 stop9h 25mMultiple Airlines
Deal found 2/12£208
Wed 24/1208:35SOU - LIS
2 stops37h 15mBritish Airways
Tue 30/1216:00LIS - SOU
2 stops18h 55mBritish Airways
Deal found 4/12£467
Thu 11/1220:10SOU - LIS
1 stop14h 00mAer Lingus
Thu 18/1210:50LIS - SOU
1 stop21h 55mAer Lingus
Deal found 4/12£492
Wed 24/1208:35SOU - LIS
2 stops37h 15mBritish Airways
Mon 29/1207:05LIS - SOU
2 stops29h 00mBritish Airways
Deal found 4/12£494
Wed 24/1208:35SOU - LIS
2 stops37h 15mBritish Airways
Fri 26/1218:45LIS - SOU
2 stops17h 20mBritish Airways
Deal found 4/12£498
Wed 24/1208:35SOU - LIS
2 stops37h 15mBritish Airways
Sat 27/1218:40LIS - SOU
2 stops23h 20mBritish Airways
Deal found 4/12£506
Wed 24/1208:35SOU - LIS
2 stops37h 15mBritish Airways
Sun 28/1215:55LIS - SOU
2 stops25h 40mBritish Airways
Deal found 4/12£525
Wed 31/1208:40SOU - LIS
2 stops13h 05mBritish Airways
Wed 14/107:05LIS - SOU
2 stops13h 00mBritish Airways
Deal found 3/12£563

Find flight deals from Southampton to Portugal

Keep the following information in mind while searching for Southampton to Portugal flight deals. Data was last updated 5 December 2025.

Round-trip from

£135

One-way from

£23

Popular in

August

Cheapest in

January

Average price

£161

Good round-trip deal

£149 or less
easyJet
  • easyJet
  • 22/3-27/3
  • 2 total stops
  • 48h 15m total
  • Southampton to Portugal
Search Deals
easyJet
  • easyJet
  • 11/4
  • Nonstop
  • 2h 40m total
  • Southampton to Portugal
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Southampton Eastleigh to Portugal.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Portugal 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 5 December 2025.
Use the filters below to find and compare flights from Southampton to Portugal that are best for you.

Fly from

Southampton

Fly to

Portugal

Route

Depart

Return

Price

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sun 22/3

15:25-18:35

1 stop27h 10m

Porto

Fri 27/3

17:45-14:50

1 stop21h 05m

£135

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Thu 8/1

20:10-14:50

1 stop18h 40m

Porto

Thu 15/1

21:55-13:45

2 stops15h 50m

£148

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sat 17/1

15:20-07:20

1 stop16h 00m

Porto

Sat 24/1

09:45-14:50

1 stop5h 05m

£160

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Mon 19/1

12:00-21:15

1 stop9h 15m

Faro

Mon 26/1

10:15-19:40

1 stop9h 25m

£165

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Thu 28/5

09:25-12:05

Nonstop2h 40m

Faro

Thu 4/6

06:05-08:45

Nonstop2h 40m

£178

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Sun 18/1

18:20-09:50

2 stops15h 30m

Faro

Sun 25/1

11:10-08:45

2 stops21h 35m

£181

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sun 18/1

18:20-11:35

2 stops17h 15m

Porto

Sun 25/1

17:00-11:25

2 stops18h 25m

£186

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Thu 15/1

20:10-18:20

2 stops22h 10m

Lisbon Humberto Delgado

Thu 22/1

20:30-13:45

2 stops17h 15m

£187

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Sun 22/3

15:25-08:10

2 stops16h 45m

Porto

Fri 27/3

13:40-19:20

1 stop5h 40m

£196

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Mon 26/1

08:30-09:15

2 stops24h 45m

Lisbon Humberto Delgado

Fri 30/1

20:50-08:45

1 stop11h 55m

£199

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 47 results
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Best time to book a flight from Southampton to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

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

Currently, January is the cheapest month in which you can book a flight from Southampton to Portugal (average of £14). Flying from Southampton to Portugal 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.

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

Find hourly flight availability from Southampton to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 December 2025.

A simple way to save on the total cost of your ticket is to fly from Southampton to Portugal in the morning. If you’re flexible enough to do this you can expect to save up to 55% on your trip compared to booking a flight at midday.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated 5 December 2025.
Get a feel of what it's like to fly with KLM and easyJet from Southampton to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,430 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,430 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
easyJet
6.9
Okay
1,848 reviews
KLM
7.7
Good
1,430 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.2

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

Find useful and relevant information for your journey from Southampton to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Southampton to Portugal?

    Most people fly from Southampton Eastleigh (SOU) if they book a flight from Southampton to Portugal. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

  • How long is the flight from Southampton to Portugal?

    A quick flight from Southampton to Portugal can take about 27h 10m. easyJet provides one of the quickest options available for as low as £135. Airlines will cover a distance of 755 mi.

  • What are the most popular routes from Southampton to Portugal?

    Most travelers choose Southampton Eastleigh - Lisbon Humberto Delgado, Southampton Eastleigh - Faro or Southampton Eastleigh - Porto when deciding on the best route from Southampton to Portugal.

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

    Yes. In addition to deals on Southampton to Portugal flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Portugal.

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

    Yes. Cheapflights offers flight deals from Southampton to Portugal 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 Portugal?

    Currently, January is the cheapest month in which you can book a flight from Southampton to Portugal (average of £14). Flying from Southampton to Portugal 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

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Top 2 airlines flying from Southampton to Portugal

Discover the top 2 airlines that operate flights from Southampton to Portugal. 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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£63Average£165FlexibilityNo cancel feeOn-time86%
Search easyJet flights
KLMCheapest£144Average£272FlexibilityNo 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 Portugal?

When you search for this flight from Southampton to Portugal, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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 Portugal.

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

Certainly. Search results for flights to Portugal from Southampton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portugal from Southampton today and book when prices fit your budget.

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