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£46+ Cheap flights to Portsmouth

— LHR
4 Oct — 11 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Portsmouth in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Portsmouth

Wed 30/918:20 -
1 stop14h 15m
Wed 7/1010:45 -
1 stop11h 55m
Deal found 2/9£106
Sat 3/1022:00 -
1 stop14h 05m
Sat 10/1012:15 -
1 stop9h 20m
Deal found 3/9£110
Sat 3/1022:00 -
1 stop14h 05m
Mon 5/1012:25 -
1 stop7h 45m
Deal found 31/8£116
Mon 21/922:45 -
1 stop9h 55m
Mon 28/920:40 -
1 stop10h 40m
Deal found 1/9£118
Tue 6/1007:10 -
1 stop5h 40m
Tue 13/1013:25 -
1 stop9h 25m
Deal found 1/9£121
Tue 29/907:10 -
1 stop5h 40m
Tue 6/1013:25 -
1 stop9h 25m
Deal found 1/9£123
Sat 3/1007:05 -
1 stop4h 40m
Mon 5/1019:20 -
1 stop15h 40m
Deal found 31/8£124
Fri 2/1021:40 -
1 stop14h 05m
Mon 5/1012:25 -
1 stop7h 45m
Deal found 31/8£124
Thu 15/1008:30 -
1 stop11h 00m
Thu 22/1011:40 -
1 stop8h 40m
Deal found 31/8£128
Tue 6/1021:35 -
1 stop10h 30m
Tue 13/1009:15 -
1 stop11h 40m
Deal found 3/9£131
Fri 9/1022:15 -
1 stop13h 30m
Wed 14/1008:55 -
1 stop5h 00m
Deal found 2/9£132
Tue 6/1019:50 -
1 stop12h 15m
Tue 13/1020:00 -
1 stop13h 15m
Deal found 2/9£132

Find flight deals to Portsmouth

One-way from

£46
easyJet
  • easyJet
  • 9/10-31/12
  • 1 total stop
  • 13h 35m total
  • London to Portsmouth
Search Deals

Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Fri 9/10

22:10-11:45

1 stop13h 35m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£46

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

£49

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Fri 16/10

22:15-11:45

1 stop13h 30m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£53

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Fri 16/10

22:10-11:45

1 stop13h 35m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£53

LondonSouthampton

LGW London Gatwick - SOU Southampton Eastleigh

LGWSOU

London Gatwick

Fri 9/10

17:50-11:45

1 stop17h 55m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£53

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Sat 3/10

12:55-12:05

1 stop23h 10m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Sat 3/10

21:25-08:35

1 stop11h 10m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£62

LondonSouthampton

STN London Stansted - SOU Southampton Eastleigh

STNSOU

London Stansted

Mon 28/9

22:45-08:40

1 stop9h 55m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£65

LondonSouthampton

LTN London Luton - SOU Southampton Eastleigh

LTNSOU

London Luton

Mon 28/9

08:15-16:50

1 stop8h 35m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£67

LondonSouthampton

LGW London Gatwick - SOU Southampton Eastleigh

LGWSOU

London Gatwick

Mon 28/9

21:30-08:40

1 stop11h 10m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£67

Flights are sorted by cheapest return flights first.

Deals found on 2/9

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Best time to book a flight to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight to Portsmouth

How long is the flight to Portsmouth?

On average, a flight from London to Portsmouth takes 3 hours 57 minutes. Flights to Portsmouth from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Portsmouth by month

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.

Temperature in Portsmouth by month

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).

FAQs about flying to Portsmouth

Getting around Portsmouth

The are several excellent local bus services which cover the city centre, Portsea Island, Southsea and numerous destinations in and around the city.  There are good local taxi firms, and you’ll also find licensed taxis at the airport and in the city centre which can simply be flagged down on the street.

Getting from the Airport to the City

Travellers booking flights to Portsmouth will most likely fly to Southampton Airport (SOU), which is the closest airport to the city, just 20 miles (32 km) from the centre of Portsmouth.  Take the train from Southampton Airport Parkway and change to a Portsmouth bound service at Southampton Central or at Eastleigh.  There are also taxis available from outside the terminal, and set fares to the city are not overly expensive.

  • Can I find cheaper flights to Portsmouth if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Portsmouth on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Portsmouth?

    Based on reviews from Cheapflights users, easyJet is rated the highest out of the airlines that fly to Portsmouth.

  • How much is a return flight to Portsmouth?

    A return flight to Portsmouth will typically cost around £103, however they can be found for as little as £33.

  • Where does the fastest flight to Portsmouth depart from?

    For those looking to save time traveling to Portsmouth, Newcastle upon Tyne offers the quickest one-way flight (1 hour 15 minutes).

  • Does London Heathrow have car hire?

    Yes. Those touching down at London Heathrow can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to London Heathrow?

    Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow is the closest property to London Heathrow (0.0 mi away from London Heathrow).

See more FAQs

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