Cheap flights from Portsmouth to London from £58
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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Portsmouth to London
Keep the following information in mind while searching for Portsmouth to London flight deals. Data was last updated 11 July 2025.
Round-trip from | £171 |
---|---|
One-way from | £58 |
Find flight deals from Portsmouth to London
Cheapest flights from Portsmouth to LondonExplore the most affordable flight options available from Portsmouth to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Portsmouth to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Portsmouth to London 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 11 July 2025.
Use the filters below to find and compare flights from Portsmouth to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SouthamptonLondon
SOU - STN
SOUSTN
Southampton Eastleigh
Sun 24/8
21:30-08:20
1 stop10h 50m
London Stansted
Sat 6/9
21:20-08:15
1 stop10h 55m
SouthamptonLondon
SOU - LTN
SOULTN
Southampton Eastleigh
Mon 25/8
20:00-09:00
1 stop13h 00m
London Luton
Mon 1/9
21:55-08:40
1 stop10h 45m
SouthamptonLondon
SOU - LGW
SOULGW
Southampton Eastleigh
Fri 29/8
12:15-22:30
1 stop10h 15m
London Gatwick
Sun 31/8
19:40-07:40
1 stop12h 00m
SouthamptonLondon
SOU - LTN
SOULTN
Southampton Eastleigh
Sat 2/8
08:05-16:45
1 stop8h 40m
London Luton
Mon 4/8
07:00-10:35
1 stop3h 35m
SouthamptonLondon
SOU - LHR
SOULHR
Southampton Eastleigh
Sat 23/8
17:35-07:40
1 stop14h 05m
London Heathrow
Sat 30/8
14:45-08:45
1 stop18h 00m
SouthamptonLondon
SOU - LCY
SOULCY
Southampton Eastleigh
Wed 6/8
09:20-19:40
1 stop10h 20m
London City
Wed 13/8
07:45-17:50
1 stop10h 05m
SouthamptonLondon
SOU - SEN
SOUSEN
Southampton Eastleigh
Thu 24/7
20:50-13:05
1 stop16h 15m
London Southend
Mon 28/7
06:30-19:55
1 stop13h 25m
SouthamptonLondon
SOU - LHR
SOULHR
Southampton Eastleigh
Fri 8/8
08:55-15:20
1 stop6h 25m
London Heathrow
Fri 15/8
21:00-07:55
1 stop10h 55m
SouthamptonLondon
SOU - LCY
SOULCY
Southampton Eastleigh
Thu 7/8
08:00-18:50
1 stop10h 50m
London City
Thu 14/8
08:30-07:30
1 stop23h 00m
SouthamptonLondon
SOU - LGW
SOULGW
Southampton Eastleigh
Tue 5/8
19:50-10:25
1 stop14h 35m
London Gatwick
Tue 12/8
19:40-07:30
1 stop11h 50m
Best time to book a flight from Portsmouth to London
Have a flexible travel schedule? Discover the best time to fly to London from Portsmouth with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Portsmouth to London
What is the cheapest time of day to fly from P0R to LON?
Find hourly flight availability from Portsmouth to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 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 as you normally would.
What is the cheapest day to fly from Portsmouth to London?
Use this chart to determine the cheapest time to fly return from Portsmouth to London. Price data was last updated on 6 July 2025.
Travellers seeking maximum savings on their Portsmouth to London flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. 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 London. Reviews last updated 11 July 2025.
Read through reviews of airlines operating flights from Portsmouth to London, such as KLM, Aer Lingus, andeasyJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Crew
Boarding
Overall
Food
Comfort
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Related info for your journey
Find useful and relevant information for your journey from Portsmouth to London. 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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