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Cheap flights from Portsmouth to Portugal from £104

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LIS
15 Nov — 22 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Portsmouth to Portugal

Keep the following information in mind while searching for Portsmouth to Portugal flight deals. Data was last updated 16 October 2025.

Round-trip from

£168

One-way from

£104

Popular in

August

Cheapest in

January

Average price

£123
KLM
  • KLM
  • 24/3-27/3
  • 2 total stops
  • 22h 55m total
  • Portsmouth to Portugal
Search Deals
KLM
  • KLM
  • 15/1
  • 1 total stop
  • 9h 15m total
  • Portsmouth to Portugal
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£21 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 October 2025
Search Deals

Find flight deals from Portsmouth to Portugal

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Portugal
Explore the most affordable flight options available from Portsmouth to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 October 2025.

Fri 28/1119:50SOU - FAO
2 stops22h 10mMultiple Airlines
Fri 5/1210:40FAO - SOU
1 stop9h 00mMultiple Airlines
Deal found 14/10£173
Sat 29/1115:20SOU - LIS
2 stops17h 10mMultiple Airlines
Sat 6/1221:45LIS - SOU
1 stop11h 00mMultiple Airlines
Deal found 15/10£176
Tue 11/1117:30SOU - FAO
1 stop16h 00mKLM
Tue 18/1119:45FAO - SOU
1 stop12h 25mKLM
Deal found 14/10£189
Tue 11/1108:55SOU - FAO
1 stop9h 30mMultiple Airlines
Tue 18/1110:30FAO - SOU
1 stop9h 10mMultiple Airlines
Deal found 14/10£190
Sat 15/1113:55SOU - FAO
2 stops19h 55mMultiple Airlines
Sat 22/1120:05FAO - SOU
1 stop12h 40mMultiple Airlines
Deal found 15/10£198
Tue 4/1114:35SOU - LIS
1 stop5h 50mMultiple Airlines
Sun 9/1121:00LIS - SOU
2 stops22h 20mMultiple Airlines
Deal found 16/10£213
Sat 1/1109:30SOU - LIS
1 stop10h 35mMultiple Airlines
Mon 3/1121:30LIS - SOU
1 stop14h 25mMultiple Airlines
Deal found 14/10£224
Fri 21/1119:50SOU - LIS
2 stops19h 15mMultiple Airlines
Sun 23/1120:40LIS - SOU
1 stop12h 05mMultiple Airlines
Deal found 14/10£227
Wed 22/1008:55SOU - FAO
1 stop11h 10mMultiple Airlines
Wed 29/1010:40FAO - SOU
2 stops9h 00mMultiple Airlines
Deal found 15/10£236

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth 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 16 October 2025.
Use the filters below to find and compare flights from Portsmouth to Portugal that are best for you.

Fly from

Portsmouth

Fly to

Portugal

Route

Depart

Return

Price

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Tue 24/3

08:40-18:55

1 stop10h 15m

Faro

Fri 27/3

20:10-08:50

1 stop12h 40m

£168

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Fri 28/11

19:50-18:00

2 stops22h 10m

Faro

Fri 5/12

10:40-19:40

1 stop9h 00m

£173

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Tue 11/11

17:30-09:30

1 stop16h 00m

Faro

Tue 18/11

19:45-08:10

1 stop12h 25m

£189

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Tue 11/11

08:15-23:50

2 stops15h 35m

Faro

Tue 18/11

06:05-14:50

2 stops8h 45m

£190

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Sat 29/11

09:30-21:10

1 stop11h 40m

Lisbon Humberto Delgado

Sat 6/12

21:45-08:45

1 stop11h 00m

£191

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Sat 15/11

13:55-09:50

2 stops19h 55m

Faro

Sat 22/11

20:05-08:45

1 stop12h 40m

£198

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Fri 23/1

17:30-16:55

1 stop23h 25m

Faro

Sun 25/1

18:50-08:50

1 stop14h 00m

£206

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Fri 21/11

19:50-15:05

2 stops19h 15m

Lisbon Humberto Delgado

Sun 23/11

18:00-19:20

2 stops25h 20m

£213

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Tue 4/11

14:35-20:25

1 stop5h 50m

Lisbon Humberto Delgado

Sun 9/11

21:00-19:20

2 stops22h 20m

£213

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Sat 1/11

09:30-20:05

1 stop10h 35m

Lisbon Humberto Delgado

Mon 3/11

21:30-11:55

1 stop14h 25m

£224

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 41 results
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Best time to book a flight from Portsmouth to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Portugal (average of £13). Flying from Portsmouth 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 P0R to PT?

Find hourly flight availability from Portsmouth 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 16 October 2025.

One of the essential ways to save on airfare from Portsmouth to Portugal is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 11% on airfare.

What is the cheapest day to fly from Portsmouth to Portugal?

Use this chart to determine the cheapest time to fly return from Portsmouth to Portugal. Price data was last updated on 12 October 2025.

Travellers seeking maximum savings on their Portsmouth to Portugal flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to Portugal

Explore weekly flight availability from Portsmouth to Portugal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 October 2025.

The most flights from P0R to PT0 are scheduled on a Monday (73 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (39 on average).

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 16 October 2025.
Check out reviews from past customers who have flown with KLM and easyJet from Portsmouth to Portugal 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

Crew

8.4

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.2

Overall

7.7

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

Crew

8.4

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.2

Overall

7.7

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.
easyJet
6.9
Okay
1,835 reviews
KLM
7.7
Good
1,402 reviews
Check prices

Crew

8.4

Boarding

7.8

Comfort

7.6

Entertainment

7.1

Food

7.2

Overall

7.7

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 Portsmouth to Portugal. 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 Portsmouth to Portugal?

    Departing from Portsmouth to Portugal will take you 10h 15m. Portsmouth and Portugal are separated by a distance of 1016 mi.

  • What are the cheapest airlines to fly from Portsmouth to Portugal one-way?

    £104 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on easyJet and British Airways, with prices starting from £119 and £233, respectively.

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

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

  • What are the most reliable airlines from Portsmouth to Portugal?

    The top 3 most reliable airlines when flying from Portsmouth to Portugal are Cathay Pacific (74%), Qatar Airways (67%) and British Airways (67%).

  • What are the cheapest flights from Portsmouth to Portugal?

    The cheapest flight price from Portsmouth to Portugal is £76. On average you can expect to pay £556. The most popular route, (Southampton Eastleigh - Lisbon Humberto Delgado), can usually be booked for £176.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to Portugal (average of £13). Flying from Portsmouth 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 10 airlines flying from Portsmouth to Portugal

Discover the top 10 airlines that operate flights from Portsmouth 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 16 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£20Average£123FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
RyanairCheapest£23Average£150FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Wizz AirCheapest£31Average£111FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
easyJetCheapest£41Average£182FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£45Average£158FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Jet2Cheapest£55Average£234FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
TUI AirwaysCheapest£74Average£175FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
British AirwaysCheapest£79Average£264FlexibilityNo cancel feeOn-time70%
Search British Airways flights
VuelingCheapest£81Average£164FlexibilityNo cancel feeOn-time88%
Search Vueling flights
easyJetCheapest£82Average£174FlexibilityNo cancel feeOn-time70%
Search easyJet 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 Portsmouth to Portugal?

When you search for this flight from Portsmouth 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 Portsmouth 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 Portsmouth to Portugal.

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

Yes! Cheapflights helps users easily find flights from Portsmouth to Portugal with no change fees.

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

Of course! You can now track prices for flights from Portsmouth to Portugal 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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