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Cheap flights from London Stansted Airport to Portsmouth from £70

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
STN — LHR
3 Jan — 10 Jan1
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 4 December 2025.

Wed 10/1206:30STN - SOU
1 stop9h 05mMultiple Airlines
Fri 12/1208:10SOU - STN
1 stop8h 15mMultiple Airlines
Deal found 1/12£136
Fri 12/1205:55STN - SOU
1 stop7h 50mMultiple Airlines
Mon 5/112:05SOU - STN
2 stops21h 45mMultiple Airlines
Deal found 1/12£147
Sat 13/1218:00STN - SOU
2 stops20h 45mMultiple Airlines
Mon 5/112:05SOU - STN
2 stops21h 45mMultiple Airlines
Deal found 1/12£166
Mon 29/1211:30STN - SOU
2 stops21h 20mMultiple Airlines
Mon 5/112:05SOU - STN
2 stops19h 45mMultiple Airlines
Deal found 1/12£204
Wed 17/1209:05STN - SOU
2 stops23h 40mMultiple Airlines
Sun 21/1220:10SOU - STN
1 stop11h 40mMultiple Airlines
Deal found 2/12£223

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 4 December 2025.

Round-trip from

£107

One-way from

£70
8/1-12/1
  • 8/1-12/1
  • 2 total stops
  • 23h 05m total
  • London to Portsmouth
Search Deals
17/1
  • 17/1
  • 1 total stop
  • 14h 00m 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 4 December 2025.
Use the filters below to find and compare flights from London Stansted Airport to Portsmouth that are best for you.

Fly from

Stansted

Fly to

Portsmouth

Route

Depart

Return

Price

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 8/1

12:00-19:40

1 stop7h 40m

Southampton Eastleigh

Mon 12/1

08:30-23:55

1 stop15h 25m

£107

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Fri 16/1

05:55-13:45

1 stop7h 50m

Southampton Eastleigh

Fri 23/1

08:10-23:55

1 stop15h 45m

£122

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 1/1

09:00-17:20

1 stop8h 20m

Southampton Eastleigh

Thu 8/1

17:55-08:35

1 stop14h 40m

£129

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 1/1

08:00-17:20

2 stops9h 20m

Southampton Eastleigh

Thu 8/1

17:55-08:35

1 stop14h 40m

£144

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Tue 10/2

21:45-11:55

1 stop14h 10m

Southampton Eastleigh

Thu 19/2

20:10-18:30

2 stops22h 20m

£148

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Sat 13/12

18:00-14:45

2 stops20h 45m

Southampton Eastleigh

Mon 5/1

12:05-09:50

2 stops21h 45m

£166

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Sat 17/1

18:45-08:45

1 stop14h 00m

£70

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 18/12

22:20-08:45

1 stop10h 25m

£115

Flights are sorted by cheapest return flights first.

Deals found on 2/12

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 4 December 2025.

A simple way to save on the total cost of your ticket is to fly from London Stansted Airport to Portsmouth at midday. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.

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.

  • How long is the flight from London Stansted Airport to Portsmouth?

    Departing from London Stansted Airport to Portsmouth will take you 8h 20m. There are 94 mi between London Stansted Airport and Portsmouth.

  • 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.

See more FAQs

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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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Fly with Cheapflights

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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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