R13 421+ 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.
— LHR
Oct 15 — Oct 221
1 adult
1 adult, Economy

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 15 September 2025.

Return from

R11 060

One-way from

R13 421

Popular in

August

Cheapest in

February

Average price

R12 935
SWISS
  • SWISS
  • 3/11-12/11
  • 4 total stops
  • 40h 30m total
  • Johannesburg to London
Qatar Airways
  • Qatar Airways
  • 15/12
  • 2 total stops
  • 55h 55m total
  • Johannesburg to Portsmouth
Highest demand for flights based on searches. 8% potential increase in price (R20 377 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (R2 801 potential savings vs. average return price).
Average for return flights in September 2025

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 15 September 2025.

Thu 13/1123:59JNB - SOU
1 stop19h 01mKLM
Mon 17/1118:05SOU - JNB
2 stops37h 10mKLM
Deal found 12/9R13 647
Thu 16/1013:55JNB - SOU
2 stops23h 10mMultiple Airlines
Thu 27/119:30SOU - JNB
2 stops27h 45mMultiple Airlines
Deal found 15/9R20 973
Wed 12/119:25JNB - SOU
2 stops36h 15mQatar Airways
Wed 3/1220:10SOU - JNB
2 stops34h 30mQatar Airways
Deal found 14/9R21 546
Tue 25/1113:45JNB - SOU
2 stops31h 55mQatar Airways
Wed 10/1220:10SOU - JNB
2 stops41h 25mQatar Airways
Deal found 14/9R21 963
Mon 10/1113:45JNB - SOU
2 stops31h 55mQatar Airways
Wed 3/1220:10SOU - JNB
2 stops34h 30mQatar Airways
Deal found 14/9R21 980

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 15 September 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

23:59-17:00

1 stop19h 01m

Southampton Eastleigh

Mon 17/11

18:05-9:15

2 stops37h 10m

R13 647

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Thu 16/10

13:55-12:05

2 stops23h 10m

Southampton Eastleigh

Thu 27/11

9:30-15:15

2 stops27h 45m

R20 973

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Wed 19/11

20:20-19:40

2 stops25h 20m

Southampton Eastleigh

Wed 3/12

20:10-3:55

2 stops29h 45m

R21 546

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Wed 12/11

13:45-19:40

2 stops31h 55m

Southampton Eastleigh

Mon 1/12

9:30-8:40

2 stops21h 10m

R21 980

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Tue 25/11

13:45-19:40

2 stops31h 55m

Southampton Eastleigh

Tue 9/12

20:10-8:40

2 stops34h 30m

R21 980

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Thu 13/11

13:45-15:35

2 stops27h 50m

Southampton Eastleigh

Thu 4/12

20:10-8:40

2 stops34h 30m

R21 980

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Mon 15/12

13:45-19:40

2 stops55h 55m

R13 421

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Wed 17/12

9:25-19:40

2 stops60h 15m

R13 490

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Sun 14/12

13:45-19:40

2 stops31h 55m

R13 594

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Sat 13/12

13:45-19:40

2 stops31h 55m

R17 935

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 12 results
1
2

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 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 (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

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 15 September 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.

Overall

7,8

Boarding

7,8

Entertainment

7,2

Food

7,3

Comfort

7,7

Crew

8,4

Reviews

1 / 20
4,0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Overall

7,8

Boarding

7,8

Entertainment

7,2

Food

7,3

Comfort

7,7

Crew

8,4

Reviews

1 / 20
4,0
Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 R1 151, however they can be found for as little as R135.

  • 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 T2 & T3 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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