Cheap flights from Portsmouth to London Heathrow Airport from £83
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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Portsmouth to Heathrow
Keep the following information in mind while searching for Portsmouth to Heathrow flight deals. Data was last updated 21 February 2025.
Find flight deals from Portsmouth to Heathrow
Cheapest flights from Portsmouth to HeathrowExplore the most affordable flight options available from Portsmouth to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.
Explore the most affordable flight options available from Portsmouth to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.
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 858,174 searches. Data last updated 21 February 2025.
Fly from
Fly to
Route
Depart
Return
Price
SouthamptonLondon
SOU - LHR
SOULHR
Southampton Eastleigh
Sat 8/3
09:30-20:50
1 stop11h 20m
London Heathrow
Wed 12/3
20:25-08:30
1 stop12h 05m
SouthamptonLondon
SOU - LHR
SOULHR
Southampton Eastleigh
Mon 5/5
19:25-14:15
1 stop18h 50m
Best time to book a flight from Portsmouth to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Portsmouth with our price prediction graph.
Travel insights for flights from Portsmouth to Heathrow
Get recent, data-driven insights about flights from Portsmouth to Heathrow including ideal travel times, pricing trends, and more.
What is the cheapest time of day to fly from P0R to LHR?
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 21 February 2025.
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.
Rainfall in Heathrow by month
Plan your trip to Heathrow by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.
Temperature in Heathrow by month
Plan your trip to Heathrow by taking into account the average temperature totals by month.
If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).
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 21 February 2025.
Food
Crew
Entertainment
Boarding
Comfort
Overall
Reviews
Anonymous,Dec 2024
YWG - YYZ
Food
Crew
Entertainment
Boarding
Comfort
Overall
Reviews
Anonymous,Dec 2024
YWG - YYZ
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.
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Alternative routes for Portsmouth to Heathrow
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