In terms of precipitation, rainfall in Lisbon ranges from 6.0 - 122.0 inches per month. December is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Lisbon when rainfall is around 6.0 mm.

If weather is an important factor for your trip to Lisbon, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What are the cheapest flights from Portsmouth to Lisbon?

Looking at all options, your cheapest flight can be booked for £77. While the most popular route (Southampton Eastleigh - Lisbon Humberto Delgado) can be booked for £170 on average, our data indicates £838 when flying from Portsmouth to Lisbon.

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 (80%), Cathay Pacific (80%), LATAM Airlines( 71%).

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.

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.

£77+ Flights from Portsmouth to Lisbon

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 10 December 2025.

Wed 24/1208:35SOU - LIS

2 stops37h 15mBritish Airways

Tue 30/1216:00LIS - SOU

2 stops18h 55mBritish Airways

Deal found 8/12£503

Wed 24/1208:35SOU - LIS

2 stops37h 15mBritish Airways

Wed 31/1215:55LIS - SOU

2 stops51h 25mBritish Airways

Deal found 8/12£510

Tue 16/1214:50SOU - LIS

2 stops19h 00mBritish Airways

Sun 11/107:05LIS - SOU

2 stops10h 40mBritish Airways

Deal found 8/12£536

Wed 17/1214:25SOU - LIS

2 stops19h 30mBritish Airways

Sun 11/107:05LIS - SOU

2 stops10h 40mBritish Airways

Deal found 8/12£573

Wed 24/1208:35SOU - LIS

2 stops37h 15mBritish Airways

Fri 2/115:50LIS - SOU

2 stops20h 15mBritish Airways

Deal found 8/12£594

Sun 28/1218:30SOU - LIS

3 stops27h 15mBritish Airways

Tue 30/1216:00LIS - SOU

2 stops18h 55mBritish Airways

Deal found 8/12£607

Sun 28/1218:30SOU - LIS

3 stops27h 15mBritish Airways

Wed 31/1215:55LIS - SOU

2 stops51h 25mBritish Airways

Deal found 8/12£613

Mon 8/1220:40SOU - LIS

2 stops15h 25mBritish Airways

Mon 15/1218:35LIS - SOU

3 stops19h 45mBritish Airways

Deal found 7/12£618

Mon 22/1216:50SOU - LIS

2 stops17h 00mBritish Airways

Sun 11/107:05LIS - SOU

2 stops10h 40mBritish Airways

Deal found 8/12£628

Sat 20/1209:30SOU - LIS

2 stops24h 25mBritish Airways

Sun 11/107:05LIS - SOU

2 stops10h 40mBritish Airways

Deal found 8/12£644

Wed 24/1208:35SOU - LIS

2 stops37h 15mBritish Airways

Thu 1/107:00LIS - SOU

2 stops11h 30mBritish Airways

Deal found 8/12£652

Best flights from Portsmouth to Lisbon
Discover carefully curated flight deals from Portsmouth to Lisbon that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 December 2025.

Wed 21/112:25SOU - LIS

1 stop7h 25mMultiple Airlines

Wed 28/120:35LIS - SOU

1 stop12h 10mMultiple Airlines

Deal found 7/12£168

Mon 5/119:55SOU - LIS

1 stop12h 35mMultiple Airlines

Mon 12/122:00LIS - SOU

2 stops13h 55mMultiple Airlines

Deal found 8/12£176

Mon 12/112:00SOU - LIS

2 stops26h 55mBritish Airways

Thu 15/107:00LIS - SOU

2 stops10h 30mBritish Airways

Deal found 6/12£396

Thu 22/117:55SOU - LIS

2 stops17h 00mMultiple Airlines

Thu 29/120:15LIS - SOU

2 stops17h 30mMultiple Airlines

Deal found 8/12£184

Last-minute flights from Portsmouth to Lisbon
Discover last-minute flight deals from Portsmouth to Lisbon. Data last updated 10 December 2025 and is based on user searches.

Mon 5/119:55SOU - LIS

1 stop12h 35mMultiple Airlines

Mon 12/117:55LIS - SOU

1 stop20h 55mMultiple Airlines

Deal found 8/12£158

Wed 21/112:25SOU - LIS

1 stop7h 25mMultiple Airlines

Wed 28/120:35LIS - SOU

1 stop12h 10mMultiple Airlines

Deal found 7/12£168

Thu 22/120:10SOU - LIS

1 stop14h 45mMultiple Airlines

Thu 29/120:15LIS - SOU

2 stops17h 30mMultiple Airlines

Deal found 8/12£179

One-way flights from Portsmouth to Lisbon
Search for one-way flight options from Portsmouth to Lisbon. Find affordable one-way fares based on user searches. Data last updated 10 December 2025.

Fri 6/319:50SOU - LIS

1 stop15h 40measyJet

Deal found 7/12£77

Fri 17/409:25SOU - LIS

1 stop9h 25measyJet

Deal found 7/12£88

Thu 15/120:10SOU - LIS

1 stop24h 15mMultiple Airlines

Deal found 8/12£94

Thu 29/109:30SOU - LIS

1 stop7h 15mMultiple Airlines

Deal found 8/12£107

Fri 6/308:10SOU - LIS

2 stops12h 25mMultiple Airlines

Deal found 7/12£128

Fri 8/512:20SOU - LIS

2 stops10h 05measyJet

Deal found 8/12£131

Fri 17/409:25SOU - LIS

2 stops14h 00mMultiple Airlines

Deal found 7/12£132

Find flight deals from Portsmouth to Lisbon

Round-trip from	£158
One-way from	£77
Popular in	November
Cheapest in	January
Average price	£367

5/1-12/1
2 total stops
33h 30m total
Portsmouth to Lisbon

Search Deals

easyJet
6/3
1 total stop
15h 40m total
Portsmouth to Lisbon

Search Deals

Highest demand for flights based on searches. 31% potential increase in price (£91 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Wed 21/1

12:25-19:50

1 stop7h 25m

Lisbon Humberto Delgado

Wed 28/1

20:35-08:45

1 stop12h 10m

£168

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Mon 5/1

19:55-08:30

1 stop12h 35m

Lisbon Humberto Delgado

Mon 12/1

22:00-11:55

2 stops13h 55m

£176

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Thu 22/1

17:55-10:55

2 stops17h 00m

Lisbon Humberto Delgado

Thu 29/1

20:15-13:45

2 stops17h 30m

£184

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Mon 12/1

12:00-14:55

2 stops26h 55m

Lisbon Humberto Delgado

Thu 15/1

07:00-17:30

2 stops10h 30m

£396

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Fri 6/3

19:50-11:30

1 stop15h 40m

£77

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Fri 17/4

09:25-18:50

1 stop9h 25m

£88

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Thu 15/1

20:10-20:25

1 stop24h 15m

£94

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Thu 29/1

09:30-16:45

1 stop7h 15m

£107

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Fri 6/3

08:10-20:35

2 stops12h 25m

£128

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Fri 8/5

12:20-22:25

2 stops10h 05m

£131

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 11 results

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, November is the cheapest month in which you can book a flight from Portsmouth to Lisbon (average of £34). 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?

It’s typically best to fly out from Portsmouth to Lisbon at midday. Doing so could potentially save you 22% 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?

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

Weekly flight availability from Portsmouth to Lisbon

The most flights from P0R to LIS are scheduled on a Tuesday (56 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (21 on average).

Reviews of airlines servicing Lisbon

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

1,431 reviews

Check prices

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

1,431 reviews

KLM

7.7

Good

1,431 reviews

Check prices

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

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.
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 (80%), Cathay Pacific (80%), LATAM Airlines( 71%).
What are the cheapest flights from Portsmouth to Lisbon?
Looking at all options, your cheapest flight can be booked for £77. While the most popular route (Southampton Eastleigh - Lisbon Humberto Delgado) can be booked for £170 on average, our data indicates £838 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, November is the cheapest month in which you can book a flight from Portsmouth to Lisbon (average of £34). 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

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Other flights to Lisbon

Top 10 airlines flying from Portsmouth to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£23	Average£153	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
easyJet	Cheapest£55	Average£182	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Vueling	Cheapest£76	Average£169	FlexibilityNo cancel fee	On-time88%	Search Vueling flights
easyJet	Cheapest£83	Average£174	FlexibilityNo cancel fee	On-time70%	Search easyJet flights
TAP AIR PORTUGAL	Cheapest£93	Average£191	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
British Airways	Cheapest£104	Average£225	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£138	Average£281	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Lufthansa	Cheapest£142	Average£232	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
SWISS	Cheapest£149	Average£271	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Brussels Airlines	Cheapest£157	Average£237	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights

Fly with Cheapflights

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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Cheap flights from Portsmouth to Lisbon from £77

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Lisbon

Cheapest flights from Portsmouth to LisbonExplore 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 10 December 2025.

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 10 December 2025.

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 10 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

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?

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 10 December 2025.

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 16 December 2024.

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 10 December 2025.

Reviews of airlines servicing Lisbon

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.

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?

What are the most reliable airlines from Portsmouth to Lisbon?

What are the cheapest flights from Portsmouth to Lisbon?

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

How can I find direct flights from Portsmouth to Lisbon?

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

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

Travelling to a place near Lisbon?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portsmouth to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portsmouth to Lisbon

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?

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Lisbon?

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

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

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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 10 December 2025.