Cheap flights from Heathrow to Portsmouth

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Fri 4/12
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Fri 11/12
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#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
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#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
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#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
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Anytime
#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
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#removeLegButton($self.id("removeLeg$leg"))
Add another flight clear all
#infantInLapWarning('multiRightOfTravelers')
Home North America USA New Hampshire Portsmouth Cheap flights from Heathrow to Portsmouth

How to find the cheapest flight from
Heathrow (LHR) to Portsmouth (PSM)

How far in advance should I book a flight from Heathrow to Portsmouth?

Users have found that booking a flight from Heathrow to Portsmouth at least 61 days early can save you up to 54% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Heathrow to Portsmouth for as little as £376 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £480 for flights departing within the next 3 days.

What is the cheapest month to fly from Heathrow to Portsmouth?

November can be a great time to fly to Portsmouth from Heathrow with a flight ticket averaging about £315. Cheapflights users have found deals in the month of November for as cheap as £226. The most expensive prices can be found in the month of July.

Related info for your journey

Useful info, stats and facts about Heathrow to Portsmouth flights.

Flight FAQs

From Heathrow to Portsmouth

Are flight prices decreasing from Heathrow to Portsmouth due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Heathrow and Portsmouth for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Does it rain more in Heathrow or Portsmouth?

When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in Heathrow is typically less than Portsmouth. We can gather that this will continue over the next 23 days.

Is Heathrow weather warmer or cooler than Portsmouth?

We forecast the temperature to be around the 29 °Cs in July, on average. The temperature in Portsmouth is generally hotter than in Heathrow. Book flights in a timely manner in correlation to your departure date.

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Alternative routes for Heathrow to Portsmouth

London to Manchester from £720 pp

Destination information for Portsmouth

Things to know before you go. Useful info for your trip from Heathrow to Portsmouth
Today's exchange rate
£1 = $1.34

Airports servicing London

Heathrow (LHR)

Airports servicing Portsmouth

Portsmouth (PSM)

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