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Cheap flights from Portsmouth to Portugal from £20

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LIS
7 Apr — 14 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 8 March 2026.

Tue 14/418:10
SOU
-
FAO
Nonstop2h 40m
easyJet
Thu 16/409:35
FAO
-
SOU
Nonstop2h 40m
easyJet
Deal found 6/3£45
Tue 14/418:10
SOU
-
FAO
Nonstop2h 40m
easyJet
Thu 23/406:05
FAO
-
SOU
Nonstop2h 40m
easyJet
Deal found 8/3£46
Thu 16/412:45
SOU
-
FAO
Nonstop2h 40m
easyJet
Thu 30/406:05
FAO
-
SOU
Nonstop2h 40m
easyJet
Deal found 7/3£51
Tue 21/418:10
SOU
-
FAO
Nonstop2h 40m
easyJet
Tue 28/414:35
FAO
-
SOU
Nonstop2h 40m
easyJet
Deal found 7/3£53
Tue 12/518:10
SOU
-
FAO
Nonstop2h 40m
easyJet
Thu 14/506:05
FAO
-
SOU
Nonstop2h 40m
easyJet
Deal found 8/3£57
Thu 23/409:25
SOU
-
FAO
Nonstop2h 40m
easyJet
Tue 28/414:35
FAO
-
SOU
Nonstop2h 40m
easyJet
Deal found 7/3£59
Tue 14/418:10
SOU
-
FAO
Nonstop2h 40m
easyJet
Tue 28/414:35
FAO
-
SOU
Nonstop2h 40m
easyJet
Deal found 4/3£69
Thu 30/409:25
SOU
-
FAO
Nonstop2h 40m
easyJet
Tue 5/514:35
FAO
-
SOU
Nonstop2h 40m
easyJet
Deal found 4/3£73
Mon 22/617:55
SOU
-
FAO
Nonstop2h 40m
easyJet
Thu 2/706:05
FAO
-
SOU
Nonstop2h 40m
easyJet
Deal found 8/3£75
Tue 14/418:10
SOU
-
FAO
Nonstop2h 40m
Multiple Airlines
Thu 16/413:35
FAO
-
SOU
1 stop19h 10m
Multiple Airlines
Deal found 6/3£86
Mon 13/419:20
SOU
-
LIS
1 stop22h 50m
easyJet
Wed 15/417:30
LIS
-
SOU
1 stop15h 05m
easyJet
Deal found 6/3£108
Mon 20/419:20
SOU
-
LIS
1 stop22h 50m
easyJet
Wed 22/417:30
LIS
-
SOU
1 stop15h 05m
easyJet
Deal found 6/3£110

Find flight deals from Portsmouth to Portugal

Keep the following information in mind while searching for Portsmouth to Portugal flight deals. Data was last updated 8 March 2026.

Round-trip from

£45

One-way from

£20

Popular in

August

Cheapest in

November

Average price

£90
easyJet
  • easyJet
  • 14/4-16/4
  • Nonstop
  • 5h 20m total
  • Portsmouth to Portugal
Search Deals
easyJet
  • easyJet
  • 28/4
  • Nonstop
  • 2h 40m 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 March 2026
Search Deals

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 8 March 2026.
Use the filters below to find and compare flights from Portsmouth to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Tue 14/4

18:10-20:50

Nonstop2h 40m

Faro

Thu 16/4

09:35-12:15

Nonstop2h 40m

£45

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Thu 23/4

09:25-12:05

Nonstop2h 40m

Faro

Thu 30/4

06:05-08:45

Nonstop2h 40m

£53

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Tue 14/4

18:10-20:50

Nonstop2h 40m

Faro

Tue 28/4

14:35-17:15

Nonstop2h 40m

£69

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Thu 7/5

09:25-12:05

Nonstop2h 40m

Faro

Tue 12/5

14:35-17:15

Nonstop2h 40m

£93

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Tue 2/6

18:10-20:50

Nonstop2h 40m

Faro

Tue 9/6

14:35-17:15

Nonstop2h 40m

£104

SouthamptonLisbon

SOU - LIS

SOULIS

Southampton Eastleigh

Mon 13/4

19:20-18:10

1 stop22h 50m

Lisbon Humberto Delgado

Wed 15/4

17:30-08:35

1 stop15h 05m

£108

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Sat 4/4

18:55-21:35

Nonstop2h 40m

Faro

Tue 7/4

14:35-17:15

Nonstop2h 40m

£125

SouthamptonFaro

SOU - FAO

SOUFAO

Southampton Eastleigh

Sat 4/4

18:55-21:35

Nonstop2h 40m

Faro

Tue 14/4

18:00-15:00

1 stop21h 00m

£141

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Mon 13/4

20:40-16:10

2 stops19h 30m

Porto

Wed 15/4

16:50-08:35

2 stops15h 45m

£142

SouthamptonPorto

SOU - OPO

SOUOPO

Southampton Eastleigh

Mon 20/4

19:20-08:00

1 stop12h 40m

Porto

Mon 27/4

22:00-17:15

2 stops19h 15m

£144

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Showing 1-10 of 53 resultsSorted by cheapest first
1
2
3
...
6

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, November is the cheapest month in which you can book a flight from Portsmouth to Portugal (average of £15). 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 8 March 2026.

One of the essential ways to save on airfare from Portsmouth to Portugal is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 28% 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 21 February 2026.

Travellers seeking maximum savings on their Portsmouth to Portugal flight should consider departing on Wednesday afternoons 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 8 March 2026.

The most flights from P0R to PT0 are scheduled on a Sunday (80 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (25 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 8 March 2026.
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
7.8
Good
1,468 reviews
Check prices

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.8

Boarding

7.8

Crew

8.4

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
7.8
Good
1,468 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.8

Boarding

7.8

Crew

8.4

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
easyJet
6.9
Okay
1,882 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Entertainment

7.1

Food

7.3

Comfort

7.6

Overall

7.8

Boarding

7.8

Crew

8.4

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 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 2h 40m. Portsmouth and Portugal are separated by a distance of 1016 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 Finnair (90%), LATAM Airlines (89%) and Cathay Pacific (85%).

  • 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 £849. The most popular route, (Southampton Eastleigh - Lisbon Humberto Delgado), can usually be booked for £108.

  • 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, November is the cheapest month in which you can book a flight from Portsmouth to Portugal (average of £15). 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 8 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Jet2Cheapest£22Average£194FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
RyanairCheapest£23Average£140FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Wizz AirCheapest£35Average£109FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
easyJetCheapest£41Average£179FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£45Average£190FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£60Average£278FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TUI AirwaysCheapest£72Average£144FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
easyJetCheapest£82Average£173FlexibilityNo cancel feeOn-time70%
Search easyJet flights
VuelingCheapest£83Average£177FlexibilityNo cancel feeOn-time88%
Search Vueling flights
TAP AIR PORTUGALCheapest£90Average£226FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL 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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