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Cheap flights from Porto to London from £150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to London departing on 15/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Porto to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:15 - 08:25
OPO
-
SOU
25h 10m
1 stop
Multiple Airlines Logo
17:55 - 07:30
SOU
-
OPO
13h 35m
1 stop
£157Multiple Airlines
Mon, 29 Jun - Mon, 6 Jul
Multiple Airlines Logo
20:45 - 08:45
OPO
-
SOU
12h 00m
1 stop
Multiple Airlines Logo
18:10 - 09:40
SOU
-
OPO
15h 30m
1 stop
£180Multiple Airlines
Wed, 1 Jul - Sat, 11 Jul
Multiple Airlines Logo
06:30 - 08:35
OPO
-
SOU
26h 05m
2 stops
Multiple Airlines Logo
18:10 - 09:40
SOU
-
OPO
15h 30m
1 stop
£192Multiple Airlines
Wed, 1 Jul - Sat, 11 Jul
Multiple Airlines Logo
07:15 - 08:25
OPO
-
SOU
25h 10m
1 stop
Multiple Airlines Logo
20:40 - 10:50
SOU
-
OPO
14h 10m
2 stops
£198Multiple Airlines
Mon, 29 Jun - Mon, 6 Jul
Multiple Airlines Logo
07:35 - 19:40
OPO
-
SOU
12h 05m
1 stop
Multiple Airlines Logo
20:10 - 06:50
SOU
-
OPO
10h 40m
1 stop
£225Multiple Airlines
Fri, 31 Jul - Fri, 7 Aug
Multiple Airlines Logo
22:40 - 13:45
OPO
-
SOU
15h 05m
1 stop
Multiple Airlines Logo
19:30 - 07:30
SOU
-
OPO
36h 00m
2 stops
£227Multiple Airlines
Mon, 3 Aug - Sun, 9 Aug
Multiple Airlines Logo
09:25 - 11:45
OPO
-
SOU
26h 20m
2 stops
Multiple Airlines Logo
20:10 - 06:50
SOU
-
OPO
10h 40m
1 stop
£236Multiple Airlines
Fri, 31 Jul - Fri, 7 Aug
Multiple Airlines Logo
22:40 - 13:45
OPO
-
SOU
15h 05m
1 stop
Multiple Airlines Logo
09:20 - 21:20
SOU
-
OPO
12h 00m
1 stop
£238Multiple Airlines
Mon, 3 Aug - Sun, 9 Aug
Multiple Airlines Logo
09:00 - 19:40
OPO
-
SOU
10h 40m
2 stops
Multiple Airlines Logo
20:10 - 07:50
SOU
-
OPO
35h 40m
2 stops
£263Multiple Airlines
Fri, 31 Jul - Fri, 7 Aug
Multiple Airlines Logo
20:45 - 08:45
OPO
-
SOU
12h 00m
1 stop
Multiple Airlines Logo
18:10 - 07:50
SOU
-
OPO
37h 40m
3 stops
£267Multiple Airlines
Wed, 1 Jul - Sat, 11 Jul

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Customise your flight search to find flights from Porto to Southampton 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, momondo users made 279,928 searches. Data last updated 17 June 2026.
Use the filters below to find and compare flights from Porto to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoSouthampton

OPO - SOU

OPOSOU

Porto

Mon 29/6

07:15-08:25

1 stop25h 10m

Southampton Eastleigh

Mon 6/7

17:55-07:30

1 stop13h 35m

£157

PortoSouthampton

OPO - SOU

OPOSOU

Porto

Wed 1/7

20:45-08:45

1 stop12h 00m

Southampton Eastleigh

Sat 11/7

18:10-09:40

1 stop15h 30m

£180

PortoSouthampton

OPO - SOU

OPOSOU

Porto

Wed 1/7

06:30-08:35

2 stops26h 05m

Southampton Eastleigh

Sat 11/7

18:10-09:40

1 stop15h 30m

£192

PortoSouthampton

OPO - SOU

OPOSOU

Porto

Mon 29/6

07:15-08:25

1 stop25h 10m

Southampton Eastleigh

Mon 6/7

20:40-10:50

2 stops14h 10m

£198
Fastest return journey

PortoSouthampton

OPO - SOU

OPOSOU

Porto

Fri 31/7

07:35-19:40

1 stop12h 05m

Southampton Eastleigh

Fri 7/8

20:10-06:50

1 stop10h 40m

£225

PortoSouthampton

OPO - SOU

OPOSOU

Porto

Mon 3/8

22:40-13:45

1 stop15h 05m

Southampton Eastleigh

Sun 9/8

19:30-07:30

2 stops36h 00m

£227

PortoSouthampton

OPO - SOU

OPOSOU

Porto

Fri 31/7

09:25-11:45

2 stops26h 20m

Southampton Eastleigh

Fri 7/8

20:10-06:50

1 stop10h 40m

£236

PortoSouthampton

OPO - SOU

OPOSOU

Porto

Mon 3/8

22:40-13:45

1 stop15h 05m

Southampton Eastleigh

Sun 9/8

09:20-21:20

1 stop12h 00m

£238

PortoSouthampton

OPO - SOU

OPOSOU

Porto

Fri 31/7

09:00-19:40

2 stops10h 40m

Southampton Eastleigh

Fri 7/8

20:10-07:50

2 stops35h 40m

£263

PortoSouthampton

OPO - SOU

OPOSOU

Porto

Wed 1/7

20:45-08:45

1 stop12h 00m

Southampton Eastleigh

Sat 11/7

18:10-07:50

3 stops37h 40m

£267

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Porto to Southampton

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Which airlines fly to Southampton?

TAP AIR PORTUGAL, easyJet and Ryanair are the top three most popular airlines that fly to Southampton from Porto according to our data. TAP AIR PORTUGAL is the first choice among our users, with 29% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 4 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

When to book flights from Porto to Southampton

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to Southampton according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Porto to Southampton (OPO to SOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to Southampton

Fastest flight time

12h 05m

Direct flights

None
The fastest flight from Porto to Southampton takes 12h 05m
There are no direct flights from Porto to Southampton. There are no popular flight routes from Porto to Southampton.
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Frequently asked questions about flying from Porto to Southampton

  • How far is Porto to Southampton Eastleigh by plane?

    A flight from Porto to Southampton Eastleigh will travel around 756.3 mi. Flights usually cover this in 12h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Porto Airport to Southampton Eastleigh Airport?

    Prices for flights from Porto Airport to Southampton Eastleigh Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Porto Airport to Southampton Eastleigh Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The travel and health documents required for your trip to Southampton Eastleigh Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

Why should I use momondo to find a flight deal from Porto to Southampton?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Southampton from Porto.

Can I find flights from Porto to Southampton with flexible booking policies on momondo?

Flights from Porto to Southampton with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Porto to Southampton?

momondo helps you find the best flight between Porto and Southampton by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Porto to Southampton right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Porto to Southampton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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