Cheap flights from Portsmouth to London Heathrow Airport from £113
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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
What is the cheapest time of day to fly from P0R to 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 Aer Lingus flights from Portsmouth to Heathrow
Explore cheap flight options specifically provided by Aer Lingus 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 1,000,913 searches. Data last updated 26 July 2024.
Consider these cheap Aer Lingus flights we've found departing from Portsmouth to London. Deals update often to give you more flight options matching your criteria
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 1,000,913 searches. Data last updated 26 July 2024.
To aid your search, here are some of the cheapest British Airways flights we've found from Portsmouth to London. Ensure the flight price, dates, time, and airline match your criteria before you book.
Cheap Portsmouth to Heathrow flights in July & August 2024
Find cheap flight options from Portsmouth to Heathrow specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 1,000,913 searches. Prices were last updated on 26 July 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.
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 1,000,913 searches. Data last updated 26 July 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.
Portsmouth to Heathrow flights leaving soon
Find last-minute flight options from Portsmouth to Heathrow 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 1,000,913 searches. Data last updated 26 July 2024.
Users seeking a last-minute flight from Portsmouth to London should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
One-way flights to Heathrow from Portsmouth
Search for one-way flight options from Portsmouth to Heathrow. 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 1,000,913 searches. Data last updated 26 July 2024.
Take a look at some of the best available options we've come across on one-way flights from Portsmouth to London. Users in need of a round-trip flight from Portsmouth to London instead should update the search form at the top of page.
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 1,000,913 searches. Data last updated 26 July 2024.
Fly from
Fly to
Budget
£200 - £423
Route
Depart
Return
Price
Southampton EastleighLondon Heathrow
SOU - LHR
SOULHR
Southampton Eastleigh
Thu 26/9
1 stop12h 00m
London Heathrow
Mon 30/9
1 stop10h 30m
Southampton EastleighLondon Heathrow
SOU - LHR
SOULHR
Southampton Eastleigh
Thu 26/9
2 stops25h 35m
London Heathrow
Mon 30/9
1 stop13h 00m
Southampton EastleighLondon Heathrow
SOU - LHR
SOULHR
Southampton Eastleigh
Thu 26/9
2 stops22h 40m
London Heathrow
Mon 30/9
2 stops22h 40m
Southampton EastleighLondon Heathrow
SOU - LHR
SOULHR
Southampton Eastleigh
Thu 22/8
1 stop11h 35m
London Heathrow
Thu 29/8
1 stop4h 25m
Southampton EastleighLondon Heathrow
SOU - LHR
SOULHR
Southampton Eastleigh
Thu 22/8
1 stop9h 05m
London Heathrow
Thu 29/8
1 stop10h 30m
Southampton EastleighLondon Heathrow
SOU - LHR
SOULHR
Southampton Eastleigh
Fri 13/9
1 stop12h 00m
London Heathrow
Mon 16/9
1 stop7h 25m
Southampton EastleighLondon Heathrow
SOU - LHR
SOULHR
Southampton Eastleigh
Thu 22/8
1 stop9h 15m
London Heathrow
Thu 29/8
2 stops24h 05m
Southampton EastleighLondon Heathrow
SOU - LHR
SOULHR
Southampton Eastleigh
Thu 22/8
1 stop9h 15m
London Heathrow
Thu 29/8
1 stop13h 00m
Southampton EastleighLondon Heathrow
SOU - LHR
SOULHR
Southampton Eastleigh
Sat 24/8
1 stop10h 55m
London Heathrow
Sat 31/8
1 stop10h 15m
No data available for this route at this time. Please check back soon.
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.
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 26 July 2024.
Read reviews from past customers who have flown Aer Lingus, 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.
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.
Overall
Entertainment
Food
Boarding
Comfort
Crew
Reviews
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Portsmouth to HeathrowSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Portsmouth to Heathrow
Discover the top airline that operate flights from Portsmouth to Heathrow. 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 1,000,913 searches. Data last updated 26 July 2024.
Search flights from Portsmouth to Heathrow by cabin class
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 26 July 2024.
| 9%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 26%of flight departures | Morning6 am to noon |
| 36%of flight departures | AfternoonNoon to 6 pm |
| 29%of flight departures | Evening6 pm to midnight |
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
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 Portsmouth to Heathrow?
Cheapflights makes it easy to find Portsmouth to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
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.
Can Cheapflights find flights from Portsmouth to Heathrow with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Portsmouth to Heathrow flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Portsmouth to Heathrow become cheaper?
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.