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Cheap flights from Portsmouth to London Heathrow Airport from £213

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. 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
16 Apr — 23 Apr1
1 adult
Tue 16/4
Tue 23/4

When is the cheapest time to fly from Portsmouth to London Heathrow Airport (P0R - LHR)?

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

Cheap British Airways flights from Portsmouth to Heathrow

Explore cheap flight options specifically provided by British Airways for the route between Portsmouth and Heathrow. 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 910,493 searches. Data last updated 11 April 2024.
Consider these cheap British Airways flights we've found departing from Portsmouth to London. Deals update often to give you more flight options matching your criteria
Mon 23/919:40SOU - LHR
1 stop15h 00mBritish Airways
Thu 26/907:35LHR - SOU
1 stop8h 10mBritish Airways
Deal found 10/4£373
Wed 24/412:35SOU - LHR
1 stop4h 20mBritish Airways
Wed 1/515:20LHR - SOU
1 stop3h 50mBritish Airways
Deal found 10/4£480
Sat 1/614:00SOU - LHR
1 stop6h 00mBritish Airways
Sun 2/615:30LHR - SOU
1 stop3h 25mBritish Airways
Deal found 11/4£489
Thu 25/412:35SOU - LHR
1 stop4h 20mBritish Airways
Thu 2/508:15LHR - SOU
1 stop3h 50mBritish Airways
Deal found 11/4£517
Fri 24/512:30SOU - LHR
1 stop4h 25mBritish Airways
Sun 26/507:55LHR - SOU
1 stop4h 40mBritish Airways
Deal found 11/4£644

Cheap KLM flights from Portsmouth to Heathrow

Explore cheap flight options specifically provided by KLM for the route between Portsmouth and Heathrow. 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 910,493 searches. Data last updated 11 April 2024.
To aid your search, here are some of the cheapest KLM flights we've found from Portsmouth to London. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 7/517:20SOU - LHR
1 stop3h 35mKLM
Tue 14/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 11/4£213
Tue 7/507:55SOU - LHR
1 stop5h 55mKLM
Tue 14/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 11/4£214
Tue 30/419:40SOU - LHR
1 stop12h 00mKLM
Tue 7/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 11/4£253
Mon 6/519:40SOU - LHR
1 stop12h 00mKLM
Mon 13/506:30LHR - SOU
1 stop10h 20mKLM
Deal found 11/4£292

Cheap Portsmouth to Heathrow flights in April & May 2024

Find cheap flight options from Portsmouth to Heathrow specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 910,493 searches. Prices were last updated on 11 April 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 7/507:55SOU - LHR
1 stop5h 55mKLM
Tue 14/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 11/4£214
Tue 7/517:20SOU - LHR
1 stop3h 35mKLM
Tue 14/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 10/4£215
Tue 30/419:40SOU - LHR
1 stop12h 00mKLM
Tue 7/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 10/4£240
Tue 30/419:40SOU - LHR
1 stop12h 00mKLM
Tue 7/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 11/4£253
Thu 9/510:25SOU - LHR
2 stops11h 10mMultiple Airlines
Mon 13/521:10LHR - SOU
2 stops20h 35mMultiple Airlines
Deal found 11/4£258
Thu 9/510:25SOU - LHR
2 stops11h 10mMultiple Airlines
Mon 13/521:10LHR - SOU
1 stop12h 00mMultiple Airlines
Deal found 11/4£270
Mon 6/519:40SOU - LHR
1 stop12h 00mKLM
Mon 13/506:30LHR - SOU
1 stop10h 20mKLM
Deal found 11/4£292
Mon 6/519:40SOU - LHR
1 stop12h 00mKLM
Mon 13/506:30LHR - SOU
1 stop10h 20mKLM
Deal found 10/4£294
Fri 12/419:25SOU - LHR
1 stop12h 50mMultiple Airlines
Sat 18/522:00LHR - SOU
1 stop14h 35mMultiple Airlines
Deal found 11/4£386

Portsmouth to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Portsmouth and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 910,493 searches. Data last updated 11 April 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 7/507:55SOU - LHR
1 stop5h 55mKLM
Tue 14/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 11/4£214
Tue 7/517:20SOU - LHR
1 stop3h 35mKLM
Tue 14/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 10/4£215
Tue 30/419:40SOU - LHR
1 stop12h 00mKLM
Tue 7/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 10/4£240
Mon 16/907:55SOU - LHR
1 stop5h 55mKLM
Fri 20/920:55LHR - SOU
1 stop10h 30mKLM
Deal found 10/4£243
Tue 30/419:40SOU - LHR
1 stop12h 00mKLM
Tue 7/520:55LHR - SOU
1 stop10h 30mKLM
Deal found 11/4£253
Thu 9/510:25SOU - LHR
2 stops11h 10mMultiple Airlines
Mon 13/521:10LHR - SOU
2 stops20h 35mMultiple Airlines
Deal found 11/4£258
Thu 9/510:25SOU - LHR
2 stops11h 10mMultiple Airlines
Mon 13/521:10LHR - SOU
1 stop12h 00mMultiple Airlines
Deal found 11/4£270
Mon 6/519:40SOU - LHR
1 stop12h 00mKLM
Mon 13/506:30LHR - SOU
1 stop10h 20mKLM
Deal found 11/4£292
Mon 6/519:40SOU - LHR
1 stop12h 00mKLM
Mon 13/506:30LHR - SOU
1 stop10h 20mKLM
Deal found 10/4£294

Find flights from Portsmouth to Heathrow within your budget

Customise your flight search to find flights from Portsmouth to Heathrow 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 910,493 searches. Data last updated 11 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£213 - £489

Route

Depart

Return

Price

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Tue 7/5

1 stop3h 35m

London Heathrow

Tue 14/5

1 stop10h 30m

£213

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Tue 7/5

1 stop5h 55m

London Heathrow

Tue 14/5

1 stop10h 30m

£214

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Tue 30/4

1 stop12h 00m

London Heathrow

Tue 7/5

1 stop10h 30m

£253

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Thu 9/5

2 stops11h 10m

London Heathrow

Mon 13/5

2 stops20h 35m

£258

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Thu 9/5

2 stops11h 10m

London Heathrow

Mon 13/5

1 stop12h 00m

£270

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Mon 6/5

1 stop12h 00m

London Heathrow

Mon 13/5

1 stop10h 20m

£292

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Mon 23/9

1 stop15h 00m

London Heathrow

Thu 26/9

1 stop8h 10m

£373

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Wed 24/4

1 stop4h 20m

London Heathrow

Wed 1/5

1 stop3h 50m

£480

Southampton EastleighLondon Heathrow

SOU - LHR

SOULHR

Southampton Eastleigh

Sat 1/6

1 stop6h 00m

London Heathrow

Sun 2/6

1 stop3h 25m

£489

Flights are sorted by cheapest first

Deals found on 11/4

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 11 April 2024.
Read reviews from past customers who have flown British Airways and KLM from Portsmouth to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.9
Good
1,659 reviews

Boarding

7.8

Entertainment

7.3

Crew

8.4

Overall

7.9

Comfort

7.6

Food

7.3

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.

7.9
Good
1,659 reviews
7.9
Good
1,659 reviews

Boarding

7.8

Entertainment

7.3

Crew

8.4

Overall

7.9

Comfort

7.6

Food

7.3

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.

6.9
Okay
6,927 reviews
7.9
Good
1,659 reviews

Boarding

7.8

Entertainment

7.3

Crew

8.4

Overall

7.9

Comfort

7.6

Food

7.3

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 Portsmouth to Heathrow. 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 Portsmouth to London Heathrow Airport for under £300 on Cheapflights?

    Yes, there are multiple flights from Portsmouth to London Heathrow Airport for under £300. The cheapest flight booked recently is on KLM for just £213, but on average you can expect to pay £380.

  • What does LHR to LHR mean?

    London Heathrow Airport is LHR and London Heathrow Airport is LHR. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. 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 Portsmouth to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring 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 Portsmouth to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter 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 Portsmouth to Heathrow that include hotel bookings?

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

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

    Yes. Cheapflights offers flight deals from Portsmouth to Heathrow 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 Portsmouth to Heathrow that allow pets onboard?

    Many airlines do 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 Portsmouth to Heathrow?

    Yes, you can often find last-minute deals on Portsmouth to Heathrow 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 Portsmouth to London Heathrow Airport flight deals updated?

    The Portsmouth to London Heathrow Airport flight deals you see on this page were last updated on 11/4.

See more FAQs

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Find flights from Portsmouth to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Portsmouth to Heathrow

Find hourly flight availability from Portsmouth to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 April 2024.
13%of flight departuresEarly morningMidnight to 6 am
32%of flight departuresMorning6 am to noon
35%of flight departuresAfternoonNoon to 6 pm
20%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
6 PM

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

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 Portsmouth to Heathrow.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Portsmouth to Heathrow flexibly with Cheapflights today.

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Of course! You can now track prices for flights from Portsmouth to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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