Find flights
Airlines

Cheap flights to Portsmouth

— LHR
Oct 23 — Oct 301
1 adult
1 adult, Economy, 0 bags

Find flight deals to Portsmouth

Popular in

July

Cheapest in

February

Average price

R13 094
Highest demand for flights based on searches. 8% potential increase in price (R1 223 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (R171 potential savings vs. average return price).
Search Deals
Average for return flights in September 2026
Search Deals

Cheapflights Insights

Everything you need to know about your flight to Portsmouth

What are the cheapest airlines that fly to Portsmouth?

The cheapest airline flying from Johannesburg to Portsmouth is KLM.

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).

Reviews of airlines servicing Portsmouth

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
1 575 reviews
Check prices

Boarding

7,8

Comfort

7,7

Crew

8,4

Food

7,3

Entertainment

7,2

Overall

7,8

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
1 575 reviews
KLM
7,8
Good
1 575 reviews
Check prices

Boarding

7,8

Comfort

7,7

Crew

8,4

Food

7,3

Entertainment

7,2

Overall

7,8

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, Norse Atlantic UK 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 R11 635, however they can be found for as little as R1 737.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Search flights to Portsmouth by cabin class

First Class flights to Portsmouth
Business Class flights to Portsmouth
Prem Economy Class flights to Portsmouth
Economy Class flights to Portsmouth

Fly with Cheapflights

How does Cheapflights help users find flights to Portsmouth?

Cheapflights makes it easy to find Portsmouth flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets to Portsmouth?

Millions of users choose and trust Cheapflights to book the best flight deals to Portsmouth for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.