R9 721+ Cheap flights to Portsmouth
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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Portsmouth in 2025
Find the latest flights to Portsmouth in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 594 507 searches and data was last updated on 16 October 2025.
Find flight deals to Portsmouth
Cheapest flights to PortsmouthExplore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 16 October 2025.
Explore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 16 October 2025.
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Use the filters below to find and compare flights to Portsmouth that are best for you.
Fly from
Route
Depart
Return
Price
JohannesburgSouthampton
JNB - SOU
JNBSOU
Johannesburg OR Tambo
Fri 28/11
23:59-17:00
1 stop19h 01m
Southampton Eastleigh
Fri 5/12
8:40-22:05
1 stop35h 25m
JohannesburgSouthampton
JNB - SOU
JNBSOU
Johannesburg OR Tambo
Thu 13/11
23:59-17:00
1 stop19h 01m
Southampton Eastleigh
Mon 17/11
18:05-22:05
1 stop26h 00m
JohannesburgSouthampton
JNB - SOU
JNBSOU
Johannesburg OR Tambo
Thu 27/11
23:59-8:50
1 stop34h 51m
Southampton Eastleigh
Thu 4/12
18:05-22:05
1 stop26h 00m
JohannesburgSouthampton
JNB - SOU
JNBSOU
Johannesburg OR Tambo
Fri 28/11
19:20-17:00
2 stops23h 40m
Southampton Eastleigh
Fri 5/12
17:30-22:05
1 stop26h 35m
JohannesburgSouthampton
JNB - SOU
JNBSOU
Johannesburg OR Tambo
Thu 27/11
10:10-7:40
2 stops23h 30m
Southampton Eastleigh
Thu 4/12
8:50-10:30
2 stops23h 40m
JohannesburgSouthampton
JNB - SOU
JNBSOU
Johannesburg OR Tambo
Mon 15/12
23:59-8:10
1 stop34h 11m
JohannesburgSouthampton
JNB - SOU
JNBSOU
Johannesburg OR Tambo
Thu 25/12
19:10-15:35
2 stops22h 25m
JohannesburgSouthampton
JNB - SOU
JNBSOU
Johannesburg OR Tambo
Mon 15/12
13:45-19:40
2 stops31h 55m
Best time to book a flight to Portsmouth
Have a flexible travel schedule? Discover the best time to fly to Portsmouth with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Portsmouth
How long is the flight to Portsmouth?
On average, a flight from Johannesburg to Portsmouth takes 19 hours 1 minute. Flights to Portsmouth from other popular cities in South Africa will vary in length. Below are a few examples of popular routes and their flight times.
When is the cheapest time to fly to Portsmouth?
Use this chart to determine the cheapest time to fly return from Johannesburg to Portsmouth. Price data was last updated on 16 December 2024.
Users looking for the lowest fares to Portsmouth should consider flying on Wednesday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday at midday, when prices are usually at their highest.
Weekly flight availability to Portsmouth
The most flights from Johannesburg to Portsmouth are scheduled on a Monday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).
What are the most popular airlines that fly to Portsmouth?
The most popular airline flying from Johannesburg to Portsmouth is KLM.
What are the cheapest airlines that fly to Portsmouth?
The cheapest airline flying from Johannesburg to Portsmouth is KLM.
Rainfall in Portsmouth by month
Plan your trip to Portsmouth by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Portsmouth ranges from 25.0 - 76.0 mm per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Portsmouth when rainfall is around 25.0 mm.
Temperature in Portsmouth by month
Plan your trip to Portsmouth by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Portsmouth, 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 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).
Reviews of airlines servicing Portsmouth
Get insights into the airlines that provide service to Portsmouth. 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 Portsmouth. Reviews last updated 16 October 2025.
Read through reviews of airlines serving the United Kingdom, such as KLM. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Entertainment
Comfort
Boarding
Crew
Overall
Reviews
Abisola,Oct 2025
LOS - CDG
Food
Entertainment
Comfort
Boarding
Crew
Overall
Reviews
Abisola,Oct 2025
LOS - CDG
FAQs about flying to Portsmouth
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Can Cheapflights find flights to Portsmouth with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights to Portsmouth, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights to Portsmouth become cheaper?
Yes, Cheapflights offers price alerts on Portsmouth flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.