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Cheap flights from London Luton Airport to Portsmouth from £49

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — LHR
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Portsmouth

Enter your travel dates to find the best prices.

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 23 March 2026.

Thu 23/417:30
LTN
-
SOU
1 stop15h 15m
Multiple Airlines
Mon 27/419:20
SOU
-
LTN
1 stop15h 40m
Multiple Airlines
Deal found 19/3£118
Sun 3/508:40
LTN
-
SOU
1 stop3h 25m
easyJet
Sun 10/512:35
SOU
-
LTN
1 stop10h 45m
easyJet
Deal found 19/3£152
Fri 1/522:15
LTN
-
SOU
1 stop13h 30m
Multiple Airlines
Tue 5/518:10
SOU
-
LTN
1 stop15h 25m
Multiple Airlines
Deal found 22/3£156
Fri 24/406:20
LTN
-
SOU
1 stop13h 10m
Multiple Airlines
Tue 28/418:10
SOU
-
LTN
1 stop15h 25m
Multiple Airlines
Deal found 22/3£169
Sun 19/408:40
LTN
-
SOU
1 stop3h 25m
easyJet
Sun 26/412:35
SOU
-
LTN
1 stop10h 45m
easyJet
Deal found 22/3£172
Thu 23/414:45
LTN
-
SOU
2 stops18h 00m
Multiple Airlines
Thu 30/409:25
SOU
-
LTN
1 stop9h 00m
Multiple Airlines
Deal found 19/3£173
Fri 24/406:20
LTN
-
SOU
1 stop10h 30m
Multiple Airlines
Mon 27/420:40
SOU
-
LTN
1 stop12h 05m
Multiple Airlines
Deal found 20/3£174
Wed 6/515:35
LTN
-
SOU
1 stop17h 00m
Multiple Airlines
Wed 13/509:20
SOU
-
LTN
1 stop6h 10m
Multiple Airlines
Deal found 22/3£175

Find flight deals from Luton to Portsmouth

Keep the following information in mind while searching for Luton to Portsmouth flight deals. Data was last updated 23 March 2026.

Round-trip from

£118

One-way from

£49
23/4-27/4
  • 23/4-27/4
  • 2 total stops
  • 30h 55m total
  • London to Portsmouth
Search Deals
9/5
  • 9/5
  • 1 total stop
  • 15h 25m total
  • London to Portsmouth
Search Deals

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 23 March 2026.
Use the filters below to find and compare flights from London Luton Airport to Portsmouth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Thu 23/4

05:00-08:45

2 stops27h 45m

Southampton Eastleigh

Mon 27/4

19:20-11:00

1 stop15h 40m

£138
Fastest return journey

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Sun 3/5

08:40-12:05

1 stop3h 25m

Southampton Eastleigh

Sun 10/5

12:35-23:20

1 stop10h 45m

£152

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Fri 1/5

22:15-11:45

1 stop13h 30m

Southampton Eastleigh

Tue 5/5

18:10-09:35

1 stop15h 25m

£156

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Thu 23/4

14:45-08:45

2 stops18h 00m

Southampton Eastleigh

Thu 30/4

09:25-18:25

1 stop9h 00m

£173

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Fri 24/4

06:20-16:50

1 stop10h 30m

Southampton Eastleigh

Mon 27/4

20:40-08:45

1 stop12h 05m

£174

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Mon 4/5

08:00-12:05

1 stop4h 05m

Southampton Eastleigh

Mon 11/5

19:20-11:00

1 stop15h 40m

£184

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Fri 24/4

06:20-16:50

1 stop10h 30m

Southampton Eastleigh

Tue 28/4

13:25-22:50

2 stops9h 25m

£185
Cheapest one-way

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Wed 6/5

19:20-08:35

1 stop13h 15m

£55

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Fri 17/4

08:50-08:20

1 stop23h 30m

£69

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Sat 9/5

07:00-07:55

2 stops24h 55m

£72

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 23 March 2026.

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 3h 25m. 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 £6,905. On average you can expect to pay £8,648. The most popular route, (London Luton - Southampton Eastleigh), can usually be booked for £169.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Luton to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.
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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 Luton to Portsmouth?

Cheapflights helps you search for flights from Luton 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 Luton to Portsmouth?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Luton to Portsmouth.

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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