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Cheap flights from Portsmouth to Lisbon from £108

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LIS
9 Jul — 16 Jul1
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 9 June 2026.

Mon 12/1019:20
SOU
-
LIS
1 stop13h 10m
Multiple Airlines
Thu 15/1022:35
LIS
-
SOU
1 stop10h 10m
Multiple Airlines
Deal found 6/6£165
Mon 20/720:40
SOU
-
LIS
1 stop26h 00m
easyJet
Thu 23/719:40
LIS
-
SOU
1 stop24h 00m
easyJet
Deal found 9/6£192
Mon 6/720:40
SOU
-
LIS
1 stop26h 00m
easyJet
Thu 9/719:40
LIS
-
SOU
1 stop24h 00m
easyJet
Deal found 5/6£197
Mon 20/720:40
SOU
-
LIS
2 stops19h 45m
Multiple Airlines
Mon 27/722:10
LIS
-
SOU
1 stop15h 35m
Multiple Airlines
Deal found 5/6£202
Mon 12/1019:20
SOU
-
LIS
1 stop13h 10m
Multiple Airlines
Fri 16/1022:15
LIS
-
SOU
1 stop10h 25m
Multiple Airlines
Deal found 6/6£208
Mon 20/720:40
SOU
-
LIS
2 stops34h 10m
Multiple Airlines
Thu 23/720:55
LIS
-
SOU
2 stops22h 45m
Multiple Airlines
Deal found 6/6£212
Mon 12/1017:20
SOU
-
LIS
1 stop5h 30m
KLM
Fri 16/1019:45
LIS
-
SOU
1 stop13h 00m
KLM
Deal found 6/6£217
Fri 25/917:20
SOU
-
LIS
1 stop17h 35m
KLM
Tue 29/919:45
LIS
-
SOU
1 stop13h 00m
KLM
Deal found 9/6£218

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 9 June 2026.

Round-trip from

£165

One-way from

£108

Popular in

August

Cheapest in

January

Average price

£197
12/10-15/10
  • 12/10-15/10
  • 2 total stops
  • 23h 20m total
  • Portsmouth to Lisbon
Search Deals
3/8
  • 3/8
  • 2 total stops
  • 19h 45m total
  • Portsmouth to Lisbon
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 9 June 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

Cheapest return flight

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Mon 20/7

20:40-22:40

1 stop26h 00m

Lisbon Humberto Delgado

Thu 23/7

19:40-19:40

1 stop24h 00m

£192

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Mon 20/7

20:40-16:25

2 stops19h 45m

Lisbon Humberto Delgado

Mon 27/7

22:10-13:45

1 stop15h 35m

£202

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Fri 19/6

17:20-18:45

1 stop25h 25m

Lisbon Humberto Delgado

Sun 21/6

19:45-08:35

1 stop12h 50m

£318

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Mon 16/11

18:20-18:55

2 stops24h 35m

Lisbon Humberto Delgado

Thu 19/11

10:40-20:45

2 stops10h 05m

£383
Fastest return journey

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Fri 21/8

06:45-18:10

2 stops11h 25m

Lisbon Humberto Delgado

Sun 23/8

22:15-08:40

1 stop10h 25m

£458

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Thu 3/9

06:45-23:15

2 stops16h 30m

Lisbon Humberto Delgado

Mon 7/9

18:45-20:45

2 stops26h 00m

£470

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Fri 4/9

06:45-23:05

2 stops16h 20m

Lisbon Humberto Delgado

Mon 7/9

18:45-17:45

2 stops23h 00m

£470
Cheapest one-way

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Mon 3/8

20:40-16:25

2 stops19h 45m

£108

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Tue 16/6

14:25-21:50

2 stops31h 25m

£119

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Tue 25/8

18:05-14:35

1 stop20h 30m

£142

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 15 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 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 9 June 2026.

It’s typically best to fly out from Portsmouth to Lisbon in the evening. Doing so could potentially save you 21% on the flight price compared to flying in the morning, which is usually more expensive.

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 9 June 2026.

The most flights from P0R to LIS are scheduled on a Tuesday (69 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (23 on average).

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 30 May 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.

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 9 June 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
7.8
Good
1,527 reviews
Check prices

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,527 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Overall

7.8

Boarding

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 25h 25m. easyJet provides one of the quickest options available for as low as £318. The distance from Portsmouth to Lisbon is about 922 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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: Qatar Airways (88%), Cathay Pacific (87%), British Airways( 83%).

  • What are the cheapest flights from Portsmouth to Lisbon?

    Looking at all options, your cheapest flight can be booked for £90. While the most popular route (Southampton Eastleigh - Lisbon Humberto Delgado) can be booked for £203 on average, our data indicates £558 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.

See more FAQs

Travelling to a place near Lisbon?

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

Browse thousands of different options on Cheapflights for your next trip

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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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£23Average£141FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£57Average£198FlexibilityNo cancel feeOn-time86%
Search easyJet flights
easyJetCheapest£82Average£174FlexibilityNo cancel feeOn-time70%
Search easyJet flights
TAP AIR PORTUGALCheapest£112Average£198FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapest£122Average£239FlexibilityNo cancel feeOn-time70%
Search British Airways flights
VuelingCheapest£127Average£169FlexibilityNo cancel feeOn-time88%
Search Vueling flights
IberiaCheapest£128Average£258FlexibilityNo cancel feeOn-time77%
Search Iberia flights
LufthansaCheapest£137Average£235FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£146Average£219FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
SWISSCheapest£150Average£219FlexibilityNo cancel feeOn-time79%
Search SWISS 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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