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Cheap flights from Porto to London Southend Airport from £51

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — SEN
12 May — 19 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to Southend

Enter your travel dates to find the best prices.

Cheapest flights from Porto to Southend
Explore the most affordable flight options available from Porto to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 April 2026.

Fri 24/409:50
OPO
-
SEN
1 stop6h 35m
Multiple Airlines
Sun 26/420:05
SEN
-
OPO
1 stop13h 10m
Multiple Airlines
Deal found 7/4£113
Mon 4/522:40
OPO
-
SEN
1 stop12h 40m
Multiple Airlines
Sun 10/520:05
SEN
-
OPO
1 stop13h 10m
Multiple Airlines
Deal found 11/4£123
Sat 18/413:10
OPO
-
SEN
1 stop8h 35m
Multiple Airlines
Mon 20/406:30
SEN
-
OPO
1 stop6h 45m
Multiple Airlines
Deal found 7/4£126
Wed 15/413:10
OPO
-
SEN
1 stop9h 55m
Multiple Airlines
Wed 22/408:25
SEN
-
OPO
1 stop7h 45m
Multiple Airlines
Deal found 8/4£131
Sat 18/413:45
OPO
-
SEN
1 stop8h 00m
Multiple Airlines
Tue 21/406:30
SEN
-
OPO
1 stop5h 50m
Multiple Airlines
Deal found 8/4£134
Sun 26/410:05
OPO
-
SEN
1 stop6h 20m
Multiple Airlines
Mon 27/420:05
SEN
-
OPO
1 stop11h 25m
Multiple Airlines
Deal found 7/4£136
Fri 17/409:50
OPO
-
SEN
1 stop6h 35m
Multiple Airlines
Tue 21/406:30
SEN
-
OPO
1 stop7h 45m
Multiple Airlines
Deal found 7/4£137
Sun 24/510:05
OPO
-
SEN
1 stop6h 20m
Multiple Airlines
Sun 31/520:05
SEN
-
OPO
1 stop13h 10m
Multiple Airlines
Deal found 9/4£139
Sat 16/513:45
OPO
-
SEN
1 stop8h 00m
Multiple Airlines
Mon 18/520:05
SEN
-
OPO
1 stop11h 55m
Multiple Airlines
Deal found 9/4£140
Sat 18/413:45
OPO
-
SEN
1 stop8h 00m
Multiple Airlines
Wed 22/408:25
SEN
-
OPO
1 stop7h 45m
Multiple Airlines
Deal found 7/4£142
Sat 16/513:45
OPO
-
SEN
1 stop8h 00m
Multiple Airlines
Tue 19/506:30
SEN
-
OPO
1 stop7h 45m
Multiple Airlines
Deal found 8/4£143
Sun 26/410:05
OPO
-
SEN
1 stop6h 20m
Multiple Airlines
Sun 26/420:05
SEN
-
OPO
1 stop13h 10m
Multiple Airlines
Deal found 7/4£146

Find flight deals from Porto to Southend

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Southend (SEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 April 2026.

Round-trip from

£108

One-way from

£51

Popular in

August

Cheapest in

January

Average price

£128
25/4-26/4
  • 25/4-26/4
  • 2 total stops
  • 21h 45m total
  • Porto to London
Search Deals
6/5
  • 6/5
  • 1 total stop
  • 7h 05m total
  • Porto to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Porto to Southend 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 12 April 2026.
Use the filters below to find and compare flights from Porto to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoLondon

OPO - SEN

OPOSEN

Porto

Sat 25/4

13:10-21:45

1 stop8h 35m

London Southend

Sun 26/4

20:05-09:15

1 stop13h 10m

£108

PortoLondon

OPO - SEN

OPOSEN

Porto

Mon 4/5

22:40-11:20

1 stop12h 40m

London Southend

Sun 10/5

20:05-09:15

1 stop13h 10m

£123

PortoLondon

OPO - SEN

OPOSEN

Porto

Sat 16/5

13:45-21:45

1 stop8h 00m

London Southend

Mon 18/5

20:05-08:00

1 stop11h 55m

£140

PortoLondon

OPO - SEN

OPOSEN

Porto

Mon 11/5

06:15-16:25

1 stop10h 10m

London Southend

Mon 11/5

20:05-07:30

1 stop11h 25m

£152
Fastest return journey

PortoLondon

OPO - SEN

OPOSEN

Porto

Mon 27/4

13:50-19:35

1 stop5h 45m

London Southend

Tue 28/4

06:30-12:20

1 stop5h 50m

£159

PortoLondon

OPO - SEN

OPOSEN

Porto

Fri 18/9

08:00-14:00

1 stop6h 00m

London Southend

Mon 21/9

07:50-14:20

1 stop6h 30m

£169

PortoLondon

OPO - SEN

OPOSEN

Porto

Fri 9/10

06:20-14:00

1 stop7h 40m

London Southend

Mon 12/10

06:30-13:25

1 stop6h 55m

£171

PortoLondon

OPO - SEN

OPOSEN

Porto

Fri 24/4

06:20-14:00

1 stop7h 40m

London Southend

Mon 27/4

07:50-18:50

1 stop11h 00m

£189

PortoLondon

OPO - SEN

OPOSEN

Porto

Fri 18/9

06:20-14:00

1 stop7h 40m

London Southend

Thu 24/9

20:40-08:00

1 stop11h 20m

£193
Cheapest one-way
Fastest single journey

PortoLondon

OPO - SEN

OPOSEN

Porto

Fri 19/6

06:20-14:00

1 stop7h 40m

£66

Flights are sorted by cheapest return flights first.

Deals found on 7/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Porto to Southend

Have a flexible travel schedule? Discover the best time to fly to Southend from Porto 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 Porto to London Southend Airport

How often are flights from Porto to London delayed?

About 100% of weekly flights between Porto and London have experienced delays in the past year, with the average delay time being 142 minutes.

What is the most punctual flight time for Porto to London flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

Find useful and relevant information for your journey from Porto to Southend. 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 from for flights from Porto to London Southend?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly out of when you book flights from Porto to London Southend. 0 airlines have flights from Porto to London Southend on a regular basis. Booking flights from Porto to London Southend should not be difficult; the airport handles an average of 0 outbound flights to London Southend per day.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto to Southend 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 London Southend Airport?

Book flights to London Southend Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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How does Cheapflights help users find flights from Porto to Southend?

Deals for Porto to Southend 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 Porto to Southend?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southend from Porto.

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

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

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

Not ready to book yet? You can track prices for flights from Porto to Southend on Cheapflights with our Price Alert feature and get notified when better prices are available.

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