$73+ 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 3/2. 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
7 Feb — 14 Feb1
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 8 January 2026.

Cheapest airline

Ryanair
On average, Ryanair currently has the cheapest one-way flight from Portsmouth (avg. price of $114).
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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 8 January 2026.

Wed 18/216:05SOU - MEL
2 stops37h 55mMultiple Airlines
Wed 25/218:20MEL - SOU
2 stops32h 15mMultiple Airlines
Deal found 6/1$1,921
Thu 19/320:10SOU - SYD
2 stops34h 45mMultiple Airlines
Tue 19/521:30SYD - SOU
2 stops44h 10mMultiple Airlines
Deal found 6/1$1,941
Tue 17/212:25SOU - PER
3 stops33h 15mMultiple Airlines
Tue 24/205:35PER - SOU
3 stops38h 20mMultiple Airlines
Deal found 6/1$1,962
Sat 21/209:30SOU - PER
3 stops31h 55mMultiple Airlines
Sat 28/205:35PER - SOU
3 stops44h 10mMultiple Airlines
Deal found 7/1$2,151
Tue 10/217:35SOU - SYD
3 stops26h 50mKLM
Tue 17/216:15SYD - SOU
2 stops35h 50mKLM
Deal found 6/1$2,170
Tue 10/212:25SOU - SYD
2 stops31h 25mQatar Airways
Tue 17/215:50SYD - SOU
2 stops34h 45mQatar Airways
Deal found 6/1$2,182
Fri 20/216:05SOU - SYD
2 stops27h 30mMultiple Airlines
Fri 27/221:45SYD - SOU
2 stops52h 50mMultiple Airlines
Deal found 7/1$2,194
Tue 3/212:25SOU - MEL
2 stops47h 55mMultiple Airlines
Tue 24/217:10MEL - SOU
2 stops29h 45mMultiple Airlines
Deal found 6/1$2,235
Thu 19/308:50SOU - SYD
2 stops35h 45mKLM
Tue 19/510:10SYD - SOU
3 stops39h 40mKLM
Deal found 6/1$2,253
Tue 7/420:00SOU - MEL
2 stops41h 10mQatar Airways
Tue 28/420:55MEL - SOU
2 stops55h 35mQatar Airways
Deal found 6/1$2,255
Sat 21/209:30SOU - MEL
2 stops26h 50mQatar Airways
Sat 28/216:10MEL - SOU
2 stops34h 25mQatar Airways
Deal found 7/1$2,256
Wed 8/409:10SOU - MEL
2 stops28h 00mQatar Airways
Wed 29/415:45MEL - SOU
2 stops36h 45mQatar Airways
Deal found 7/1$2,260

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 8 January 2026. 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 19/3

20:10-17:55

2 stops34h 45m

Sydney Kingsford Smith

Tue 19/5

21:30-08:40

2 stops44h 10m

$1,941

SouthamptonPerth

SOU - PER

SOUPER

Southampton Eastleigh

Sat 21/2

09:30-01:25

3 stops31h 55m

Perth

Sat 28/2

05:35-17:45

3 stops44h 10m

$2,151

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Tue 10/2

17:35-07:25

3 stops26h 50m

Sydney Kingsford Smith

Tue 17/2

16:15-17:05

2 stops35h 50m

$2,170

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Tue 10/2

12:25-06:50

2 stops31h 25m

Sydney Kingsford Smith

Tue 17/2

15:50-15:35

2 stops34h 45m

$2,182

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Fri 20/2

16:05-06:35

2 stops27h 30m

Sydney Kingsford Smith

Fri 27/2

21:45-15:35

2 stops52h 50m

$2,220

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 3/2

12:25-23:20

2 stops47h 55m

Melbourne

Tue 24/2

17:10-11:55

2 stops29h 45m

$2,235

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Thu 19/3

08:50-07:35

2 stops35h 45m

Sydney Kingsford Smith

Tue 19/5

10:10-16:50

3 stops39h 40m

$2,253

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 7/4

20:00-22:10

2 stops41h 10m

Melbourne

Tue 28/4

20:55-19:30

2 stops55h 35m

$2,255

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sat 21/2

09:30-23:20

2 stops26h 50m

Melbourne

Sat 28/2

16:10-15:35

2 stops34h 25m

$2,256

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Wed 8/4

09:10-22:10

2 stops28h 00m

Melbourne

Wed 29/4

15:45-19:30

2 stops36h 45m

$2,260

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Showing 1-10 of 48 results
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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 $663). Flying from Portsmouth in July will prove the most costly (average of $1,480). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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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 8 January 2026.

  • 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 $25. While Busan Gimhae airport is usually cheaper if your destination is Jeju City with prices starting at $40. 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 $25 round trip
    Fly from Madrid to London from $49 round trip
    Fly from London to Málaga from $56 round trip
    Fly from Paris to Lisbon from $76 round trip
    Fly from London to Split from $76 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.

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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.

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