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Cheap flights from London Heathrow Airport to Portsmouth from £87

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — LHR
7 Jun — 14 Jun1
1 adult
Fri 7/6
Fri 14/6

Cheap flight deals from Heathrow to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Portsmouth (P0R). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 June 2024.

Popular in

August

Cheapest in

November

Average price

£238

Round-trip from

£68
High demand for flights, 59% potential price rise
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Best time to find cheap flights, 53% potential price drop
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Average for round-trip flights in June 2024
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From London Heathrow to Portsmouth
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What is the cheapest time of day to fly from LHR to P0R?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Portsmouth as you normally would.

Cheap British Airways flights from Heathrow to Portsmouth

Explore cheap flight options specifically provided by British Airways for the route between Heathrow and Portsmouth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 903,732 searches. Data last updated 2 June 2024.
Thu 27/607:30LHR - SOU
1 stop7h 40mBritish Airways
Wed 3/712:20SOU - LHR
1 stop9h 30mBritish Airways
Deal found 2/6£416
Tue 2/714:15LHR - SOU
1 stop4h 40mBritish Airways
Tue 9/715:40SOU - LHR
1 stop3h 55mBritish Airways
Deal found 2/6£436
Wed 12/607:55LHR - SOU
1 stop3h 50mBritish Airways
Wed 12/615:40SOU - LHR
1 stop5h 20mBritish Airways
Deal found 2/6£775

Cheap Heathrow to Portsmouth flights in June & July 2024

Find cheap flight options from Heathrow to Portsmouth specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 903,732 searches. Prices were last updated on 2 June 2024.
Sat 8/622:00LHR - SOU
1 stop10h 15mMultiple Airlines
Sat 15/616:15SOU - LHR
1 stop5h 20mMultiple Airlines
Deal found 1/6£373
Thu 20/607:30LHR - SOU
1 stop7h 40mBritish Airways
Mon 8/715:40SOU - LHR
1 stop5h 10mBritish Airways
Deal found 1/6£388
Sat 15/620:50LHR - SOU
1 stop11h 25mBritish Airways
Sat 22/616:00SOU - LHR
1 stop4h 00mBritish Airways
Deal found 1/6£397
Thu 27/607:30LHR - SOU
1 stop7h 40mBritish Airways
Wed 3/712:20SOU - LHR
1 stop9h 30mBritish Airways
Deal found 2/6£416
Sat 8/607:40LHR - SOU
2 stops6h 35mMultiple Airlines
Sat 8/616:15SOU - LHR
1 stop6h 15mMultiple Airlines
Deal found 2/6£522
Tue 4/614:15LHR - SOU
1 stop4h 40mBritish Airways
Sat 8/614:00SOU - LHR
1 stop6h 00mBritish Airways
Deal found 1/6£757
Wed 12/607:55LHR - SOU
1 stop3h 50mBritish Airways
Wed 12/615:40SOU - LHR
1 stop5h 20mBritish Airways
Deal found 2/6£775
Sat 8/607:40LHR - SOU
1 stop8h 05mMultiple Airlines
Sat 8/617:20SOU - LHR
1 stop3h 35mMultiple Airlines
Deal found 2/6£834

Heathrow to Portsmouth 2024 flight deals

Discover exclusive flight deals for travel between Heathrow and Portsmouth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 903,732 searches. Data last updated 2 June 2024.
Thu 12/914:45LHR - SOU
1 stop4h 25mKLM
Wed 25/907:55SOU - LHR
1 stop5h 55mKLM
Deal found 1/6£200
Tue 1/1011:45LHR - SOU
1 stop7h 25mKLM
Sun 13/1017:20SOU - LHR
1 stop3h 35mKLM
Deal found 1/6£212
Tue 2/720:55LHR - SOU
1 stop11h 05mKLM
Tue 9/717:20SOU - LHR
1 stop3h 35mKLM
Deal found 2/6£252
Sat 3/822:00LHR - SOU
1 stop10h 15mMultiple Airlines
Sat 10/809:40SOU - LHR
1 stop5h 15mMultiple Airlines
Deal found 1/6£318
Sat 8/622:00LHR - SOU
1 stop10h 15mMultiple Airlines
Sat 15/616:15SOU - LHR
1 stop5h 20mMultiple Airlines
Deal found 1/6£373
Thu 20/607:30LHR - SOU
1 stop7h 40mBritish Airways
Mon 8/715:40SOU - LHR
1 stop5h 10mBritish Airways
Deal found 1/6£388
Sat 15/620:50LHR - SOU
1 stop11h 25mBritish Airways
Sat 22/616:00SOU - LHR
1 stop4h 00mBritish Airways
Deal found 1/6£397
Thu 27/607:30LHR - SOU
1 stop7h 40mBritish Airways
Wed 3/712:20SOU - LHR
1 stop9h 30mBritish Airways
Deal found 2/6£416
Mon 1/714:20LHR - SOU
1 stop5h 10mAer Lingus
Mon 8/709:40SOU - LHR
1 stop6h 15mAer Lingus
Deal found 1/6£434

Heathrow to Portsmouth flights leaving soon

Find last-minute flight options from Heathrow to Portsmouth for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 903,732 searches. Data last updated 2 June 2024.
Sat 8/622:00LHR - SOU
1 stop10h 15mMultiple Airlines
Sat 15/616:15SOU - LHR
1 stop5h 20mMultiple Airlines
Deal found 1/6£373
Sat 8/607:40LHR - SOU
2 stops6h 35mMultiple Airlines
Sat 8/616:15SOU - LHR
1 stop6h 15mMultiple Airlines
Deal found 2/6£522
Wed 12/607:55LHR - SOU
1 stop3h 50mBritish Airways
Wed 12/615:40SOU - LHR
1 stop5h 20mBritish Airways
Deal found 2/6£775
Sat 8/607:40LHR - SOU
1 stop8h 05mMultiple Airlines
Sat 8/617:20SOU - LHR
1 stop3h 35mMultiple Airlines
Deal found 2/6£834

One-way flights to Portsmouth from Heathrow

Search for one-way flight options from Heathrow to Portsmouth. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 903,732 searches. Data last updated 2 June 2024.
Wed 18/907:45LHR - SOU
1 stop7h 25mMultiple Airlines
Deal found 2/6£87
Wed 18/907:20LHR - SOU
2 stops12h 10mMultiple Airlines
Deal found 2/6£105
Mon 26/821:10LHR - SOU
1 stop12h 00mAer Lingus
Deal found 1/6£168
Mon 26/818:40LHR - SOU
2 stops24h 50mMultiple Airlines
Deal found 1/6£211
Fri 14/607:40LHR - SOU
1 stop7h 30mBritish Airways
Deal found 2/6£241
Mon 26/809:45LHR - SOU
3 stops22h 25mLoganair
Deal found 1/6£601

Find flights from Heathrow to Portsmouth within your budget

Customise your flight search to find flights from Heathrow 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 903,732 searches. Data last updated 2 June 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£252 - £775

Route

Depart

Return

Price

London HeathrowSouthampton Eastleigh

LHR - SOU

LHRSOU

London Heathrow

Tue 2/7

1 stop11h 05m

Southampton Eastleigh

Tue 9/7

1 stop3h 35m

£252

London HeathrowSouthampton Eastleigh

LHR - SOU

LHRSOU

London Heathrow

Thu 27/6

1 stop7h 40m

Southampton Eastleigh

Wed 3/7

1 stop9h 30m

£416

London HeathrowSouthampton Eastleigh

LHR - SOU

LHRSOU

London Heathrow

Tue 2/7

1 stop4h 40m

Southampton Eastleigh

Tue 9/7

1 stop3h 55m

£436

London HeathrowSouthampton Eastleigh

LHR - SOU

LHRSOU

London Heathrow

Wed 12/6

1 stop3h 50m

Southampton Eastleigh

Wed 12/6

1 stop5h 20m

£775

Flights are sorted by cheapest first

Deals found on 2/6

What is the cheapest day to fly from London Heathrow Airport to Portsmouth?

Use this chart to determine the cheapest time to fly return from Heathrow to Portsmouth. Price data was last updated on 26 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London Heathrow Airport to Portsmouth flight should consider departing on Friday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Heathrow to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Heathrow 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.

Temperature and rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature and rainfall totals by month.

LON

Temperature

4 - 17 °C

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portsmouth. Reviews last updated 2 June 2024.
KLM
7.9
Good
1,507 reviews
Check prices

Overall

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,507 reviews
KLM
7.9
Good
1,507 reviews
Check prices

Overall

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Aer Lingus
7.2
Good
1,297 reviews
KLM
7.9
Good
1,507 reviews
Check prices

Overall

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

British Airways
6.8
Okay
6,755 reviews
KLM
7.9
Good
1,507 reviews
Check prices

Overall

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from London Heathrow Airport to Portsmouth for under £300 on Cheapflights?

    Yes, there are multiple flights from London Heathrow Airport to Portsmouth for under £300. The cheapest flight booked recently is on KLM for just £252, but on average you can expect to pay £469.

  • Are there last-minute flights available from London Heathrow Airport to Portsmouth for under £400?

    There are currently 4+ open flights from London Heathrow Airport to Portsmouth within the next 7 days for less than £400.

  • What are the cheapest airlines to fly from London Heathrow Airport to Portsmouth one-way?

    One-way options have recently been found by users for as low as £168 on Aer Lingus. Other airlines that offer cheap prices include British Airways from £241 and Loganair from £601 one-way.

  • What does LHR to LHR mean?

    This is defined as London Heathrow Airport (LHR) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely. London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), Southampton Eastleigh Airport (SOU) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Heathrow to Portsmouth that include extra baggage allowance?

    The amount of baggage you can bring on your Heathrow to Portsmouth flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Heathrow to Portsmouth with specific airlines?

    Yes, Cheapflights allows you to browse and filter Heathrow to Portsmouth flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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.

  • Can I find deals for flights from Heathrow to Portsmouth that allow pets onboard?

    Many airlines flying from Heathrow to Portsmouth offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Heathrow to Portsmouth?

    Yes, you can often find last-minute deals on Heathrow to Portsmouth flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London Heathrow Airport to Portsmouth flight deals updated?

    The London Heathrow Airport to Portsmouth flight deals you see on this page were last updated on 2/6.

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

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Portsmouth (average of £110). Flying from London Heathrow Airport to Portsmouth in July is currently the most expensive (average of £162). 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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Alternative routes for Heathrow to Portsmouth
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from Heathrow to Portsmouth

Discover the top airline that operate flights from Heathrow to Portsmouth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 903,732 searches. Data last updated 2 June 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£200Average£358FlexibilityNo cancel feeOn-time75%
Search KLM flights
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Search flights from Heathrow to Portsmouth by cabin class

Find flights from Heathrow to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Hourly flight availability from Heathrow to Portsmouth

Find hourly flight availability from Heathrow 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 2 June 2024.
10%of flight departuresEarly morningMidnight to 6 am
38%of flight departuresMorning6 am to noon
39%of flight departuresAfternoonNoon to 6 pm
13%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

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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 Heathrow to Portsmouth?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Portsmouth from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Portsmouth?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Portsmouth by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Portsmouth from Heathrow? 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 Heathrow to Portsmouth become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portsmouth from Heathrow today and book when prices fit your budget.

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