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Cheap flights from London Luton Airport to Portsmouth from £102

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — LHR
27 Aug — 3 Sep1
1 adult

Cheap flight deals from Luton to Portsmouth

Keep the following information in mind while searching for Luton to Portsmouth flight deals. Data was last updated 22 August 2025.

Round-trip from

£102
easyJet
  • easyJet
  • 11/10-12/10
  • 2 total stops
  • 19h 05m total
  • London to Portsmouth
Search Deals

Find flight deals from Luton to Portsmouth

Cheapest flights from Luton to Portsmouth
Explore the most affordable flight options available from Luton to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Sat 11/1007:05LTN - SOU
1 stop7h 45measyJet
Sun 12/1012:00SOU - LTN
1 stop11h 20measyJet
Deal found 21/8£102
Tue 21/1021:10LTN - SOU
1 stop11h 20measyJet
Thu 23/1015:05SOU - LTN
1 stop7h 05measyJet
Deal found 20/8£135
Mon 13/1021:55LTN - SOU
1 stop10h 20mMultiple Airlines
Mon 20/1020:30SOU - LTN
1 stop12h 15mMultiple Airlines
Deal found 20/8£136
Fri 3/1022:15LTN - SOU
1 stop16h 35mMultiple Airlines
Sun 26/1008:55SOU - LTN
1 stop13h 10mMultiple Airlines
Deal found 22/8£145
Sat 11/1007:05LTN - SOU
1 stop7h 45measyJet
Sat 18/1015:20SOU - LTN
2 stops17h 25measyJet
Deal found 21/8£156
Tue 23/921:10LTN - SOU
1 stop11h 20measyJet
Thu 25/915:05SOU - LTN
1 stop7h 05measyJet
Deal found 20/8£173

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton 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 22 August 2025.
Use the filters below to find and compare flights from London Luton Airport to Portsmouth that are best for you.

Fly from

Luton

Fly to

Portsmouth

Route

Depart

Return

Price

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Sat 11/10

07:05-14:50

1 stop7h 45m

Southampton Eastleigh

Sun 12/10

12:00-23:20

1 stop11h 20m

£102

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Tue 21/10

21:10-08:30

1 stop11h 20m

Southampton Eastleigh

Thu 23/10

15:05-22:10

1 stop7h 05m

£135

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Mon 13/10

21:55-08:15

1 stop10h 20m

Southampton Eastleigh

Mon 20/10

20:30-08:45

1 stop12h 15m

£136

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Fri 3/10

22:15-14:50

1 stop16h 35m

Southampton Eastleigh

Sun 26/10

08:55-22:05

1 stop13h 10m

£145

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Sat 11/10

07:05-14:50

1 stop7h 45m

Southampton Eastleigh

Sat 18/10

15:20-08:45

2 stops17h 25m

£156

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Tue 23/9

21:10-08:30

1 stop11h 20m

Southampton Eastleigh

Thu 25/9

15:05-22:10

1 stop7h 05m

£173

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Best time to book a flight from Luton to Portsmouth

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

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

Find hourly flight availability from Luton 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 22 August 2025.

When flying from London Luton Airport to Portsmouth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Luton 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 Luton Airport to Portsmouth?

    Departing from London Luton Airport to Portsmouth will take you 7h 45m. The distance between London Luton Airport and Portsmouth is about 77 mi.

  • What are the cheapest flights from London Luton Airport to Portsmouth?

    The cheapest flight price from London Luton Airport to Portsmouth is £6,853. On average you can expect to pay £8,582. The most popular route, (London Luton - Southampton Eastleigh), can usually be booked for £129.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Luton 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.

  • What is the cheapest month to book a flight from London Luton Airport to Portsmouth?

    Currently, January is the cheapest month in which you can book a flight from London Luton Airport to Portsmouth (average of £112). Flying from London Luton Airport to Portsmouth in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

Need flexible booking options for your flight to Portsmouth from Luton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Luton to Portsmouth flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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