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.

In terms of precipitation, rainfall in Portsmouth ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Portsmouth when rainfall is around 25.0 mm.

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

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.

£58+ Cheap Flights from London Luton Airport to Portsmouth

Cheap flight deals from Luton to Portsmouth

Enter your travel dates to find the best prices.

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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 17 September 2026.

Sun 11/1008:40 -

1 stop3h 25m

Sun 18/1012:35 -

1 stop10h 45m

Deal found 13/9£116

Sat 19/920:25 -

1 stop11h 30m

Mon 21/920:40 -

1 stop12h 05m

Deal found 14/9£119

Sat 3/1007:05 -

1 stop4h 40m

Tue 13/1013:25 -

1 stop8h 40m

Deal found 14/9£130

Sat 10/1014:25 -

1 stop5h 05m

Mon 12/1020:00 -

1 stop13h 15m

Deal found 15/9£131

Wed 30/919:05 -

1 stop13h 35m

Sun 4/1012:35 -

1 stop10h 45m

Deal found 15/9£132

Mon 12/1009:55 -

1 stop9h 05m

Mon 19/1020:40 -

1 stop12h 05m

Deal found 13/9£134

Thu 8/1021:40 -

1 stop11h 00m

Fri 16/1012:20 -

1 stop9h 05m

Deal found 12/9£136

Mon 2/1106:10 -

1 stop5h 45m

Sun 8/1114:00 -

1 stop5h 35m

Deal found 16/9£137

Mon 28/908:15 -

1 stop11h 15m

Fri 2/1012:20 -

1 stop10h 20m

Deal found 13/9£141

Find flight deals from Luton to Portsmouth

Round-trip from	£116
One-way from	£58

easyJet
11/10-18/10
2 total stops
14h 10m total
London to Portsmouth

Search Deals

easyJet
9/10-31/12
1 total stop
13h 30m total
London to Portsmouth

Search Deals

Cheapflights Fare Finder

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

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Route

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Price

Cheapest return flight

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Sat 10/10

13:45-12:05

1 stop22h 20m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£58

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Fri 9/10

22:15-11:45

1 stop13h 30m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£58

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Fri 25/9

22:15-11:45

1 stop13h 30m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£70

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Mon 12/10

18:40-08:40

1 stop14h 00m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Tue 22/9

19:50-08:05

1 stop12h 15m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£81

Fastest return journey

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Sat 26/9

07:05-11:45

1 stop4h 40m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£83

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Sat 26/9

21:25-11:50

3 stops38h 25m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£115

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Sun 11/10

08:40-12:05

1 stop3h 25m

Southampton Eastleigh

Sun 18/10

12:35-23:20

1 stop10h 45m

£116

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Sat 10/10

21:25-12:05

3 stops14h 40m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£126

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Sat 3/10

07:05-11:45

1 stop4h 40m

Southampton Eastleigh

Tue 13/10

13:25-22:05

1 stop8h 40m

£130

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 17 resultsSorted by cheapest first

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.

LTN-SOU

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

LTN-P0R

LTN-SOU

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

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

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.
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.

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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?

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Cheap flights from London Luton Airport to Portsmouth from £58

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Luton to Portsmouth

Cheapest flights from Luton to PortsmouthExplore 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 17 September 2026.

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 17 September 2026.

Best flights from Luton to PortsmouthDiscover carefully curated flight deals from Luton to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Discover carefully curated flight deals from Luton to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from Luton to PortsmouthDiscover last-minute flight deals from Luton to Portsmouth. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Luton to Portsmouth. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Luton to PortsmouthSearch for one-way flight options from Luton to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Search for one-way flight options from Luton to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Find flight deals from Luton to Portsmouth

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

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.

Cheapflights Insights

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 17 September 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

How long is the flight from London Luton Airport to Portsmouth?

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

How can I find direct flights from Luton to Portsmouth?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Luton to Portsmouth

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Complete your trip

Complete your trip to Portsmouth by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Luton to Portsmouth by cabin class

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Luton and Portsmouth flights

Browse other Luton and Portsmouth flight options. Last updated on 17 September 2026.

Other flights from Luton

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Luton to Portsmouth flights

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

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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 17 September 2026.

Best flights from Luton to Portsmouth
Discover carefully curated flight deals from Luton to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from Luton to Portsmouth
Discover last-minute flight deals from Luton to Portsmouth. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Luton to Portsmouth
Search for one-way flight options from Luton to Portsmouth. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.