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.
Travelers have found it’s best to book a flight 34 days in advance to save up to 6% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 34 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portsmouth to London Heathrow Airport 1-2 weeks in advance for as low as £63, or £64 for flights within the next 24 hours.
June can be a great time to fly to London Heathrow Airport from Portsmouth with a flight ticket averaging about £249. Cheapflights users have found deals in the month of June for as cheap as £49. The most expensive prices can be found in the month of December.
Due to the rapidly changing circumstances due to COVID-19, airlines like 748 Air Services, AccesRail, and Flybe flying from Portsmouth to London Heathrow have implemented new flexible cancellation policies.
Yes, there are multiple flights from Portsmouth to London Heathrow Airport for under £300. The cheapest flight booked recently is on British Airways for just £257, but on average you can expect to pay £331.
There are currently 1+ open flights from Portsmouth to London Heathrow Airport within the next 7 days for less than £900.
Afternoon Midday to 6 PM | 41% of flight departures |
Morning 6 AM to midday | 32% of flight departures |
Evening 6 PM to midnight | 22% of flight departures |
Early morning Midnight to 6 AM | 5% of flight departures |