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Cheap flights from London Stansted Airport to Portsmouth from £66

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
STN — LHR
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to Portsmouth

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to Portsmouth
Explore the most affordable flight options available from Stansted to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 March 2026.

Thu 16/417:35
STN
-
SOU
1 stop15h 10m
Multiple Airlines
Mon 20/419:20
SOU
-
STN
1 stop15h 15m
Multiple Airlines
Deal found 13/3£117
Tue 7/422:00
STN
-
SOU
1 stop10h 05m
Multiple Airlines
Tue 14/418:10
SOU
-
STN
1 stop18h 40m
Multiple Airlines
Deal found 10/3£140
Wed 8/418:20
STN
-
SOU
1 stop14h 15m
Multiple Airlines
Wed 15/412:30
SOU
-
STN
1 stop10h 10m
Multiple Airlines
Deal found 11/3£142
Thu 16/421:55
STN
-
SOU
1 stop10h 50m
Multiple Airlines
Wed 22/420:00
SOU
-
STN
1 stop11h 50m
Multiple Airlines
Deal found 12/3£147
Mon 27/420:50
STN
-
SOU
2 stops20h 25m
Multiple Airlines
Mon 4/519:20
SOU
-
STN
1 stop12h 10m
Multiple Airlines
Deal found 13/3£149
Thu 21/506:05
STN
-
SOU
1 stop5h 00m
Multiple Airlines
Mon 25/519:20
SOU
-
STN
1 stop12h 10m
Multiple Airlines
Deal found 10/3£157
Sat 25/419:35
STN
-
SOU
1 stop13h 50m
Multiple Airlines
Sat 2/518:10
SOU
-
STN
2 stops25h 10m
Multiple Airlines
Deal found 11/3£160

Find flight deals from Stansted to Portsmouth

Keep the following information in mind while searching for Stansted to Portsmouth flight deals. Data was last updated 13 March 2026.

Round-trip from

£117

One-way from

£66
16/4-20/4
  • 16/4-20/4
  • 2 total stops
  • 30h 25m total
  • London to Portsmouth
Search Deals
23/4
  • 23/4
  • 1 total stop
  • 10h 50m total
  • London to Portsmouth
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to Portsmouth 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 13 March 2026.
Use the filters below to find and compare flights from London Stansted Airport to Portsmouth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 16/4

17:35-08:45

1 stop15h 10m

Southampton Eastleigh

Mon 20/4

19:20-10:35

1 stop15h 15m

£117

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Tue 7/4

22:00-08:05

1 stop10h 05m

Southampton Eastleigh

Tue 14/4

18:10-12:50

1 stop18h 40m

£140

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Wed 8/4

18:20-08:35

1 stop14h 15m

Southampton Eastleigh

Wed 15/4

12:30-22:40

1 stop10h 10m

£142
Fastest return journey

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 16/4

21:55-08:45

1 stop10h 50m

Southampton Eastleigh

Wed 22/4

20:00-07:50

1 stop11h 50m

£147

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Mon 27/4

20:50-17:15

2 stops20h 25m

Southampton Eastleigh

Mon 4/5

19:20-07:30

1 stop12h 10m

£149

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Sat 25/4

19:35-09:25

1 stop13h 50m

Southampton Eastleigh

Sat 2/5

18:10-19:20

2 stops25h 10m

£160
Cheapest one-way

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 23/4

21:55-08:45

1 stop10h 50m

£66
Fastest single journey

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Mon 20/4

10:00-20:05

1 stop10h 05m

£78

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Sun 19/4

17:45-20:05

1 stop26h 20m

£79

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Sat 18/4

18:30-07:55

1 stop13h 25m

£79

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Stansted to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Stansted 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 London Stansted Airport to Portsmouth

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

Find hourly flight availability from Stansted to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 March 2026.

A simple way to save on the total cost of your ticket is to fly from London Stansted Airport to Portsmouth in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at midday.

Related info for your journey

Find useful and relevant information for your journey from Stansted to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Stansted to Portsmouth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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.

Alternative routes for Stansted to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.
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Southend to Liverpool flights
Gatwick to Southampton flights
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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 Stansted to Portsmouth?

Cheapflights helps you search for flights from Stansted to Portsmouth via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Stansted to Portsmouth for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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

Yes, Cheapflights offers price alerts on Stansted to Portsmouth flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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