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R11 046+ 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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
Jun 1 — Jun 81
1 adult
1 adult, Economy, 0 bags

Flights to Portsmouth in 2026

Enter your travel dates to find the best prices.

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 2 May 2026.

Thu 21/519:50
JNB
-
SOU
2 stops24h 40m
Multiple Airlines
Sun 14/69:20
SOU
-
JNB
2 stops24h 10m
Multiple Airlines
Deal found 28/4R18 361
Tue 19/519:50
JNB
-
SOU
2 stops24h 40m
Qatar Airways
Thu 11/69:20
SOU
-
JNB
2 stops24h 10m
Qatar Airways
Deal found 28/4R18 777
Mon 18/519:50
JNB
-
SOU
2 stops48h 40m
Qatar Airways
Sun 14/620:00
SOU
-
JNB
2 stops31h 00m
Qatar Airways
Deal found 28/4R18 811
Tue 19/519:50
JNB
-
SOU
2 stops24h 40m
Qatar Airways
Sat 13/69:20
SOU
-
JNB
2 stops24h 10m
Qatar Airways
Deal found 28/4R19 027
Mon 18/519:50
JNB
-
SOU
2 stops48h 40m
Qatar Airways
Sat 13/69:20
SOU
-
JNB
2 stops24h 10m
Qatar Airways
Deal found 28/4R19 077
Sat 23/519:50
JNB
-
SOU
2 stops24h 40m
Qatar Airways
Wed 17/620:00
SOU
-
JNB
2 stops31h 00m
Qatar Airways
Deal found 28/4R19 660
Sat 23/519:50
JNB
-
SOU
2 stops24h 40m
Qatar Airways
Sat 13/69:20
SOU
-
JNB
2 stops24h 10m
Qatar Airways
Deal found 28/4R19 910
Sat 20/620:55
JNB
-
SOU
2 stops23h 35m
Multiple Airlines
Sun 2/89:20
SOU
-
JNB
2 stops22h 40m
Multiple Airlines
Deal found 27/4R20 160
Thu 18/620:55
JNB
-
SOU
2 stops23h 35m
Qatar Airways
Mon 22/620:00
SOU
-
JNB
2 stops36h 00m
Qatar Airways
Deal found 28/4R20 260
Thu 16/720:55
JNB
-
SOU
2 stops23h 35m
Multiple Airlines
Mon 20/720:00
SOU
-
JNB
2 stops55h 00m
Multiple Airlines
Deal found 1/5R20 343
Sun 1/1113:45
JNB
-
SOU
2 stops31h 45m
Qatar Airways
Mon 30/119:20
SOU
-
JNB
2 stops28h 15m
Qatar Airways
Deal found 30/4R21 776
Mon 25/519:50
JNB
-
SOU
2 stops48h 40m
Qatar Airways
Fri 29/59:20
SOU
-
JNB
2 stops24h 10m
Qatar Airways
Deal found 29/4R25 825

Find flight deals to Portsmouth

Find the latest flights to Portsmouth in 2026, 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 2 May 2026.

Return from

R10 147

One-way from

R11 046

Popular in

July

Cheapest in

February

Average price

R12 429
15/6-29/6
  • 15/6-29/6
  • 4 total stops
  • 52h 30m total
  • Johannesburg to London
Search Deals
27/5
  • 27/5
  • 2 total stops
  • 24h 40m total
  • Johannesburg to Portsmouth
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (R1 095 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (R147 potential savings vs. average return price).
Search Deals
Average for return flights in May 2026
Search Deals

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 2 May 2026.
Use the filters below to find and compare flights to Portsmouth that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Tue 19/5

12:40-19:30

2 stops31h 50m

Southampton Eastleigh

Mon 15/6

20:00-4:00

2 stops31h 00m

R18 777

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Tue 19/5

19:50-19:30

2 stops24h 40m

Southampton Eastleigh

Thu 11/6

9:20-10:30

2 stops24h 10m

R18 777

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Mon 18/5

19:50-19:30

2 stops48h 40m

Southampton Eastleigh

Sun 14/6

20:00-4:00

2 stops31h 00m

R18 811

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Mon 18/5

19:50-19:30

2 stops48h 40m

Southampton Eastleigh

Tue 16/6

20:00-4:00

2 stops31h 00m

R18 811

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Sat 23/5

19:50-19:30

2 stops24h 40m

Southampton Eastleigh

Tue 16/6

9:20-9:00

2 stops22h 40m

R19 660
Fastest return journey

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Sat 20/6

20:55-19:30

2 stops23h 35m

Southampton Eastleigh

Sun 2/8

9:20-9:00

2 stops22h 40m

R20 160

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Thu 18/6

20:55-19:30

2 stops23h 35m

Southampton Eastleigh

Mon 22/6

20:00-9:00

2 stops36h 00m

R20 260

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Thu 16/7

20:55-19:30

2 stops23h 35m

Southampton Eastleigh

Mon 20/7

20:00-4:00

2 stops55h 00m

R20 343

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Mon 25/5

19:50-19:30

2 stops48h 40m

Southampton Eastleigh

Fri 29/5

9:20-10:30

2 stops24h 10m

R25 825
Cheapest one-way
Fastest single journey

JohannesburgSouthampton

JNB - SOU

JNBSOU

Johannesburg OR Tambo

Wed 27/5

19:50-19:30

2 stops24h 40m

R11 046

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Sorted by cheapest first

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 35 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.

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.

KLM
KLM
From R10 800

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 2 May 2026.
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.
KLM
7,8
Good
1 509 reviews
Check prices

Boarding

7,8

Comfort

7,7

Overall

7,8

Food

7,3

Entertainment

7,1

Crew

8,4

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7,8
Good
1 509 reviews
KLM
7,8
Good
1 509 reviews
Check prices

Boarding

7,8

Comfort

7,7

Overall

7,8

Food

7,3

Entertainment

7,1

Crew

8,4

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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, Hahn Air 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 R6 536, however they can be found for as little as R3 023.

  • 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. Aeropartment & Aerotel, London Heathrow Airport, Terminal 4, Ev Stations & Cheap Parking On Site! is the closest property to London Heathrow (0,0 km away from London Heathrow).

See more FAQs

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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.

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