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Cheap flights from Portsmouth to Porto from £55

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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
15 Sep — 22 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Porto
Explore the most affordable flight options available from Portsmouth to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2026.

Tue 8/918:10 -
1 stop15h 00m
Wed 16/920:45 -
1 stop12h 00m
Deal found 13/8£117
Tue 1/918:10 -
1 stop15h 00m
Tue 15/922:25 -
2 stops11h 50m
Deal found 13/8£146
Sat 3/1019:25 -
1 stop12h 20m
Fri 9/1017:45 -
1 stop25h 10m
Deal found 13/8£166
Mon 28/919:20 -
1 stop11h 50m
Mon 5/1021:45 -
2 stops34h 20m
Deal found 14/8£179
Fri 4/912:20 -
1 stop7h 30m
Mon 7/918:50 -
2 stops24h 40m
Deal found 15/8£184

Find flight deals from Portsmouth to Porto

Keep the following information in mind while searching for Portsmouth to Porto flight deals. Data was last updated 16 August 2026.

Round-trip from

£117

One-way from

£55

Popular in

December

Cheapest in

January

Average price

£194
8/9-16/9
  • 8/9-16/9
  • 2 total stops
  • 27h 00m total
  • Portsmouth to Porto
Search Deals
easyJet
  • easyJet
  • 22/10
  • 1 total stop
  • 22h 55m total
  • Portsmouth to Porto
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonPorto

SOU Southampton Eastleigh - OPO Porto

SOUOPO

Southampton Eastleigh

Tue 1/9

18:10-09:10

1 stop15h 00m

Porto

Tue 15/9

07:55-17:15

1 stop9h 20m

£154

SouthamptonPorto

SOU Southampton Eastleigh - OPO Porto

SOUOPO

Southampton Eastleigh

Sat 3/10

19:25-07:45

1 stop12h 20m

Porto

Fri 9/10

17:45-18:55

1 stop25h 10m

£166
Fastest return journey

SouthamptonPorto

SOU Southampton Eastleigh - OPO Porto

SOUOPO

Southampton Eastleigh

Mon 28/9

19:20-07:10

1 stop11h 50m

Porto

Mon 5/10

07:15-11:50

1 stop4h 35m

£182

SouthamptonPorto

SOU Southampton Eastleigh - OPO Porto

SOUOPO

Southampton Eastleigh

Fri 4/9

12:20-19:50

1 stop7h 30m

Porto

Mon 7/9

18:50-19:30

2 stops24h 40m

£184

SouthamptonPorto

SOU Southampton Eastleigh - OPO Porto

SOUOPO

Southampton Eastleigh

Sat 12/9

19:25-07:45

1 stop12h 20m

Porto

Thu 17/9

22:00-08:45

1 stop10h 45m

£191

SouthamptonPorto

SOU Southampton Eastleigh - OPO Porto

SOUOPO

Southampton Eastleigh

Sun 20/9

10:00-11:30

2 stops25h 30m

Porto

Tue 29/9

06:05-10:15

2 stops28h 10m

£204
Cheapest one-way

SouthamptonPorto

SOU Southampton Eastleigh - OPO Porto

SOUOPO

Southampton Eastleigh

Thu 22/10

09:05-08:00

1 stop22h 55m

£55

SouthamptonPorto

SOU Southampton Eastleigh - OPO Porto

SOUOPO

Southampton Eastleigh

Thu 22/10

09:05-06:55

2 stops21h 50m

£76
Fastest single journey

SouthamptonPorto

SOU Southampton Eastleigh - OPO Porto

SOUOPO

Southampton Eastleigh

Wed 14/10

15:00-09:05

2 stops18h 05m

£317

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Sorted by cheapest first

Best time to book a flight from Portsmouth to Porto

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

What is the cheapest time of day to fly from P0R to OPO?

Find hourly flight availability from Portsmouth to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 August 2026.

It’s optimal to fly from Portsmouth to Porto in the afternoon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Porto. Price data was last updated on 15 August 2026.

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

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Porto. 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 Porto from Portsmouth?

    If you book a flight to Porto from Portsmouth, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 6.8 mi from the center of Porto. There are 0 flights from Portsmouth to Porto per day from 10 different airlines.

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

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

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

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

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

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

Book flights to Porto if you plan to visit one of these locations
Guimarães
Santa Maria da Feira
Viseu
Chaves
Coimbra
Aveiro
Vila Nova de Gaia

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 Porto

Discover the top 10 airlines that operate flights from Portsmouth to Porto. 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 August 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£39Average£121FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£58Average£156FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£95Average£213FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£113Average£185FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
VuelingCheapest£127Average£170FlexibilityNo cancel feeOn-time88%
Search Vueling flights
LufthansaCheapest£132Average£265FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£141Average£249FlexibilityNo cancel feeOn-time75%
Search KLM flights
easyJetCheapest£156Average£237FlexibilityNo cancel feeOn-time70%
Search easyJet flights
IberiaCheapest£160Average£238FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Brussels AirlinesCheapest£192Average£305FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines 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 Porto?

Cheapflights makes it easy to find Portsmouth to Porto flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from Portsmouth to Porto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

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