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R20 099+ Cheap flights to Portsmouth

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
Jul 2 — Jul 91
1 adult

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 27 June 2025.

Return from

R11 336

One-way from

R24 552

Popular in

August

Cheapest in

February

Average price

R13 571
5/8-19/8
  • 5/8-19/8
  • 3 total stops
  • 55h 45m total
  • Johannesburg to London
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3/7
  • 3/7
  • 2 total stops
  • 23h 05m total
  • Johannesburg to Portsmouth
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (R24 216 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (R3 422 potential savings vs. average return price).
Search Deals
Average for return flights in June 2025
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Find flight deals to Portsmouth

Cheapest flights to Portsmouth
Explore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 27 June 2025.

Thu 13/1123:55JNB - SOU
1 stop34h 55mKLM
Mon 17/1117:20SOU - JNB
2 stops37h 55mKLM
Deal found 25/6R20 099
Wed 12/111:15JNB - SOU
2 stops17h 35mKenya Airways
Mon 17/1117:20SOU - JNB
2 stops44h 30mKenya Airways
Deal found 24/6R24 321
Fri 1/813:55JNB - SOU
2 stops20h 30mMultiple Airlines
Sat 16/89:40SOU - JNB
2 stops53h 30mMultiple Airlines
Deal found 25/6R25 438

Cheapflights Fare Finder

Locate flights to Portsmouth that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 594 507 searches and data was last updated on 27 June 2025.
Use the filters below to find and compare flights to Portsmouth that are best for you.

Fly from

Johannesburg

Route

Depart

Return

Price

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Thu 13/11

23:55-8:50

1 stop34h 55m

Southampton Eastleigh

Mon 17/11

17:20-9:15

2 stops37h 55m

R20 099

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Wed 12/11

1:15-16:50

2 stops17h 35m

Southampton Eastleigh

Mon 17/11

17:20-15:50

2 stops44h 30m

R24 321

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Fri 1/8

13:55-9:25

2 stops20h 30m

Southampton Eastleigh

Sat 16/8

9:40-16:10

2 stops53h 30m

R25 438

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Thu 3/7

13:55-12:00

2 stops23h 05m

R24 552

Flights are sorted by cheapest return flights first.

Deals found on 26/6

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 23 hours 5 minutes. 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 Wednesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

What are the most popular airlines that fly to Portsmouth?

The most popular airline flying from Johannesburg to Portsmouth is KLM.

KLM
KLM
From R599

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 27 June 2025.
Read through reviews of airlines serving the United Kingdom, such as KLM and Kenya Airways. 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.
KLM
7,8
Good
1 365 reviews
Check prices

Food

7,2

Overall

7,8

Comfort

7,7

Boarding

7,8

Entertainment

7,1

Crew

8,4

Reviews

1 / 20
4,0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7,8
Good
1 365 reviews
KLM
7,8
Good
1 365 reviews
Check prices

Food

7,2

Overall

7,8

Comfort

7,7

Boarding

7,8

Entertainment

7,1

Crew

8,4

Reviews

1 / 20
4,0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Kenya Airways
6,9
Okay
266 reviews
KLM
7,8
Good
1 365 reviews
Check prices

Food

7,2

Overall

7,8

Comfort

7,7

Boarding

7,8

Entertainment

7,1

Crew

8,4

Reviews

1 / 20
4,0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

FAQs about flying to Portsmouth

  • Can I find cheaper flights to Portsmouth if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Portsmouth on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Portsmouth?

    Based on reviews from Cheapflights users, SWISS is rated the highest out of the airlines that fly to Portsmouth.

  • How much is a return flight to Portsmouth?

    A return flight to Portsmouth will typically cost around R203, however they can be found for as little as R156.

  • Does London Heathrow have car hire?

    Yes. Those touching down at London Heathrow can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to London Heathrow?

    Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow is the closest property to London Heathrow (0,0 km away from London Heathrow).

See more FAQs

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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.

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