Users have found that booking a flight from Southampton to Heathrow at least 58 days early can save you up to 37% on average compared to booking a flight this week. If booking 58 days before your flight isn’t an option for you, users have found flights from Southampton to Heathrow for as little as £82 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 £99 for flights departing within the next 3 days.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, March can be a great choice for travel to Heathrow. Flights to Heathrow from Southampton in March are about £75 on average during March, but can be found for as low as £47.
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 Southampton and Heathrow 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.
AccesRail and Flybe are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
The rainfall in Southampton is generally same as the rainfall in Heathrow. This will continue over the next 13 days.
Expect the weather to be around 24 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Heathrow is generally hotter than in Southampton.