$106+ Cheap flights from Portsmouth

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — SYD
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Portsmouth

Discover essential information about flights departing from Portsmouth, including flight schedules, destinations, airlines operating at the Portsmouth airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 17 November 2025.

Cheapest airline

Ryanair
On average, Ryanair currently has the cheapest one-way flight from Portsmouth (avg. price of $150).
Search Deals

Find flights from Portsmouth

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth
Explore the most affordable flight options available from Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 17 November 2025.

Thu 5/209:00SOU - SYD
2 stops34h 30mMultiple Airlines
Sun 22/220:05SYD - SOU
3 stops34h 15mMultiple Airlines
Deal found 17/11$2,178
Wed 11/308:40SOU - SYD
2 stops35h 55mKLM
Sun 15/311:15SYD - SOU
2 stops40h 45mKLM
Deal found 16/11$2,207
Wed 4/308:40SOU - MEL
2 stops27h 40mMultiple Airlines
Tue 17/323:40MEL - SOU
2 stops27h 40mMultiple Airlines
Deal found 17/11$2,212
Tue 10/212:25SOU - SYD
2 stops55h 10mMultiple Airlines
Tue 17/221:45SYD - SOU
2 stops52h 50mMultiple Airlines
Deal found 17/11$2,247
Thu 5/220:10SOU - MEL
2 stops40h 10mMultiple Airlines
Sun 22/223:40MEL - SOU
2 stops27h 25mMultiple Airlines
Deal found 16/11$2,293
Mon 2/309:30SOU - MEL
2 stops26h 50mQatar Airways
Tue 17/316:10MEL - SOU
2 stops34h 25mQatar Airways
Deal found 17/11$2,307
Tue 3/312:25SOU - MEL
2 stops47h 55mQatar Airways
Wed 18/316:10MEL - SOU
2 stops38h 30mQatar Airways
Deal found 17/11$2,311
Wed 4/312:25SOU - MEL
2 stops47h 55mQatar Airways
Mon 16/316:10MEL - SOU
2 stops34h 25mQatar Airways
Deal found 17/11$2,318
Wed 14/112:25SOU - PER
3 stops31h 50mMultiple Airlines
Wed 18/305:35PER - SOU
3 stops43h 55mMultiple Airlines
Deal found 16/11$2,354
Sat 29/1109:30SOU - SYD
2 stops58h 05mMultiple Airlines
Tue 2/1221:30SYD - SOU
2 stops53h 05mMultiple Airlines
Deal found 17/11$2,354
Sat 14/307:25SOU - PER
3 stops37h 05mMultiple Airlines
Sat 28/305:35PER - SOU
3 stops46h 10mMultiple Airlines
Deal found 16/11$2,357
Sun 1/309:30SOU - MEL
2 stops26h 50mQatar Airways
Tue 17/316:10MEL - SOU
2 stops34h 25mQatar Airways
Deal found 17/11$2,359

Find flights from Portsmouth within your budget

 
Find flights departing from Portsmouth that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 17 November 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Thu 5/2

09:00-06:30

2 stops34h 30m

Sydney Kingsford Smith

Sun 22/2

20:05-19:20

3 stops34h 15m

$2,178

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Wed 11/3

08:40-07:35

2 stops35h 55m

Sydney Kingsford Smith

Sun 15/3

11:15-17:00

2 stops40h 45m

$2,207

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Tue 10/2

12:25-06:35

2 stops55h 10m

Sydney Kingsford Smith

Tue 17/2

21:45-15:35

2 stops52h 50m

$2,247

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Thu 5/2

20:10-23:20

2 stops40h 10m

Melbourne

Sun 22/2

23:40-16:05

2 stops27h 25m

$2,293

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Thu 19/2

20:10-23:20

2 stops40h 10m

Melbourne

Thu 5/3

16:10-15:35

2 stops34h 25m

$2,307

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 3/3

12:25-23:20

2 stops47h 55m

Melbourne

Wed 18/3

16:10-19:40

2 stops38h 30m

$2,311

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 17/2

12:25-23:20

2 stops47h 55m

Melbourne

Thu 5/3

16:10-19:40

2 stops38h 30m

$2,311

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 3/3

12:25-23:20

2 stops47h 55m

Melbourne

Thu 19/3

16:10-19:40

2 stops38h 30m

$2,311

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Wed 4/3

12:25-23:20

2 stops47h 55m

Melbourne

Mon 16/3

16:10-15:35

2 stops34h 25m

$2,318

SouthamptonPerth

SOU - PER

SOUPER

Southampton Eastleigh

Wed 14/1

12:25-04:15

3 stops31h 50m

Perth

Wed 18/3

05:35-17:30

3 stops43h 55m

$2,354

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 44 results
1
2
3
...
5

Best time to book a flight from Portsmouth

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from Portsmouth

Get recent, data-driven insights about flights from Portsmouth including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Portsmouth?

Currently, February is the cheapest month in which you can book a flight from Portsmouth (average of $910). Flying from Portsmouth in July will prove the most costly (average of $1,539). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Related info for your journey

Access useful and relevant information related to your journey from Portsmouth. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 17 November 2025.

  • Which is the cheapest airport to catch a flight from Portsmouth?

    The cheapest routes to Jeju City can be found at Seoul Gimpo Intl airport from $26. While Busan Gimhae airport is usually cheaper if your destination is Jeju City with prices starting at $41. Reference our flight search to find the best deals in real time.

  • What is the cheapest month to fly from Portsmouth?

    Currently, the cheapest month for flights from Portsmouth is February. The most expensive month for flights is July. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Portsmouth?

    View the cheapest flight destinations from Portsmouth:
    Fly from Seoul to Jeju City from $26 round trip
    Fly from Madrid to London from $50 round trip
    Fly from London to Málaga from $58 round trip
    Fly from Paris to Lisbon from $78 round trip
    Fly from London to Split from $78 round trip

  • How does Cheapflights help users find flights from Portsmouth?

    Cheapflights helps you search for flights from Portsmouth via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

    Millions of users choose and trust Cheapflights to book the best flight deals from 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 from Portsmouth with no change fees?

    Certainly. Search results for flights from Portsmouth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from Portsmouth become cheaper?

    Yes, Cheapflights offers price alerts on flights from Portsmouth so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portsmouth?

Cheapflights helps you search for flights from Portsmouth via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from 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 from Portsmouth with no change fees?

Certainly. Search results for flights from Portsmouth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Portsmouth become cheaper?

Yes, Cheapflights offers price alerts on flights from Portsmouth so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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.