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Cheap flights from Portsmouth to Lisbon from £50

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LIS
31 Mar — 7 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Lisbon

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Lisbon
Explore the most affordable flight options available from Portsmouth to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 March 2026.

Mon 13/419:20
SOU
-
LIS
1 stop22h 50m
easyJet
Thu 16/419:40
LIS
-
SOU
1 stop13h 05m
easyJet
Deal found 26/2£102
Mon 13/420:40
SOU
-
LIS
2 stops16h 40m
Multiple Airlines
Thu 16/421:15
LIS
-
SOU
1 stop11h 30m
Multiple Airlines
Deal found 26/2£116
Tue 14/409:10
SOU
-
LIS
1 stop9h 45m
Multiple Airlines
Tue 21/422:30
LIS
-
SOU
2 stops34h 05m
Multiple Airlines
Deal found 28/2£151

Find flight deals from Portsmouth to Lisbon

Keep the following information in mind while searching for Portsmouth to Lisbon flight deals. Data was last updated 1 March 2026.

Round-trip from

£102

One-way from

£50

Popular in

November

Cheapest in

September

Average price

£255
easyJet
  • easyJet
  • 13/4-16/4
  • 2 total stops
  • 35h 55m total
  • Portsmouth to Lisbon
Search Deals
easyJet
  • easyJet
  • 13/4
  • 1 total stop
  • 22h 50m total
  • Portsmouth to Lisbon
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£64 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Lisbon 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 1 March 2026.
Use the filters below to find and compare flights from Portsmouth to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Mon 13/4

19:20-18:10

1 stop22h 50m

Lisbon Humberto Delgado

Thu 16/4

19:40-08:45

1 stop13h 05m

£102

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Mon 13/4

20:40-13:20

2 stops16h 40m

Lisbon Humberto Delgado

Thu 16/4

21:15-08:45

1 stop11h 30m

£116

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Sun 29/3

12:35-23:55

2 stops35h 20m

Lisbon Humberto Delgado

Sun 5/4

05:55-16:50

1 stop10h 55m

£259

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Mon 6/7

20:40-22:30

1 stop25h 50m

Lisbon Humberto Delgado

Sun 9/8

18:45-20:05

1 stop25h 20m

£302

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Tue 14/4

12:35-10:05

2 stops21h 30m

Lisbon Humberto Delgado

Wed 15/4

16:25-09:25

2 stops17h 00m

£442

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Thu 26/3

08:40-21:50

2 stops13h 10m

Lisbon Humberto Delgado

Thu 9/4

16:30-08:25

2 stops15h 55m

£499

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Mon 13/4

19:20-20:10

1 stop24h 50m

£64

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Fri 8/5

17:20-22:50

1 stop5h 30m

£224

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Wed 25/3

12:00-09:55

2 stops21h 55m

£235

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Fri 8/5

06:50-21:35

2 stops14h 45m

£237

Flights are sorted by cheapest return flights first.

Deals found on 1/3

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Portsmouth to Lisbon

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

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

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Lisbon (average of £21). Flying from Portsmouth to Lisbon in August is currently the most expensive (average of £124). 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 LIS?

Find hourly flight availability from Portsmouth to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 March 2026.

It’s typically best to fly out from Portsmouth to Lisbon in the evening. Doing so could potentially save you 25% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Lisbon. Price data was last updated on 21 February 2026.

Travellers seeking maximum savings on their Portsmouth to Lisbon flight should consider departing on Wednesday at midday when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to Lisbon

Explore weekly flight availability from Portsmouth to Lisbon. 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 1 March 2026.

The most flights from P0R to LIS are scheduled on a Friday (88 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (27 on average).

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated 1 March 2026.
Check out reviews from past customers who have flown with KLM from Portsmouth to Lisbon 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
1,461 reviews
Check prices

Crew

8.4

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,461 reviews
KLM
7.7
Good
1,461 reviews
Check prices

Crew

8.4

Entertainment

7.1

Comfort

7.6

Food

7.3

Overall

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Lisbon. 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 into for flights to Lisbon from Portsmouth?

    If you book a flight to Lisbon from Portsmouth, you will be flying to Humberto Delgado, which is the city’s only airport. Lisbon Humberto Delgado (LIS) is located 4.2 mi from the center of Lisbon. There are 0 flights from Portsmouth to Humberto Delgado per day from 11 different airlines.

  • How long is the flight from Portsmouth to Lisbon?

    A quick flight from Portsmouth to Lisbon can take about 22h 50m. easyJet provides one of the quickest options available for as low as £102. The distance from Portsmouth to Lisbon is about 922 mi.

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

    Before booking your flight to Lisbon from Portsmouth, check out the most reliable airlines to get you to your destination on time: Finnair (89%), LATAM Airlines (82%), Cathay Pacific( 80%).

  • What are the cheapest flights from Portsmouth to Lisbon?

    Looking at all options, your cheapest flight can be booked for £75. While the most popular route (Southampton Eastleigh - Lisbon Humberto Delgado) can be booked for £122 on average, our data indicates £864 when flying from Portsmouth to Lisbon.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to Lisbon (average of £21). Flying from Portsmouth to Lisbon in August is currently the most expensive (average of £124). 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

Travelling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Oeiras
Setúbal
Madeira
Fátima
Estoril
Óbidos
Almada
Beja
Sintra
Costa da Caparica
Nazaré
Sesimbra
Peniche

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.

Top 10 airlines flying from Portsmouth to Lisbon

Discover the top 10 airlines that operate flights from Portsmouth to Lisbon. 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 1 March 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£23Average£163FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£58Average£182FlexibilityNo cancel feeOn-time86%
Search easyJet flights
easyJetCheapest£82Average£172FlexibilityNo cancel feeOn-time70%
Search easyJet flights
VuelingCheapest£95Average£168FlexibilityNo cancel feeOn-time88%
Search Vueling flights
TAP AIR PORTUGALCheapest£112Average£192FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£117Average£247FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£125Average£309FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£136Average£232FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£147Average£254FlexibilityNo cancel feeOn-time79%
Search SWISS flights
IberiaCheapest£149Average£247FlexibilityNo cancel feeOn-time77%
Search Iberia 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 Lisbon?

Deals for Portsmouth to Lisbon 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 Portsmouth to Lisbon?

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 Lisbon.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Portsmouth to Lisbon flexibly with Cheapflights today.

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

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