$121+ 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 17/1. 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
8 Jan — 15 Jan1
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 9 December 2025.

Cheapest airline

Ryanair
On average, Ryanair currently has the cheapest one-way flight from Portsmouth (avg. price of $148).
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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 9 December 2025.

Wed 21/112:25SOU - MEL
3 stops30h 15mMultiple Airlines
Wed 28/115:10MEL - SOU
3 stops35h 25mMultiple Airlines
Deal found 7/12$2,080
Tue 10/212:25SOU - SYD
2 stops31h 25mQatar Airways
Tue 17/215:50SYD - SOU
2 stops34h 45mQatar Airways
Deal found 8/12$2,204
Thu 22/109:00SOU - PER
3 stops35h 15mMultiple Airlines
Thu 29/105:35PER - SOU
3 stops46h 05mMultiple Airlines
Deal found 8/12$2,214
Tue 5/509:10SOU - SYD
2 stops46h 50mMultiple Airlines
Wed 20/515:40SYD - SOU
2 stops50h 00mMultiple Airlines
Deal found 7/12$2,270
Thu 9/409:10SOU - MEL
2 stops28h 00mQatar Airways
Mon 27/420:55MEL - SOU
2 stops31h 35mQatar Airways
Deal found 8/12$2,317
Mon 9/309:30SOU - MEL
2 stops26h 50mQatar Airways
Mon 30/323:45MEL - SOU
2 stops29h 45mQatar Airways
Deal found 8/12$2,397
Thu 9/409:10SOU - SYD
2 stops36h 05mQatar Airways
Mon 27/414:50SYD - SOU
2 stops37h 40mQatar Airways
Deal found 8/12$2,443
Mon 2/309:30SOU - SYD
2 stops34h 20mQatar Airways
Tue 17/315:50SYD - SOU
2 stops34h 45mQatar Airways
Deal found 7/12$2,445
Thu 5/320:10SOU - SYD
2 stops47h 40mQatar Airways
Tue 17/315:50SYD - SOU
2 stops34h 45mQatar Airways
Deal found 7/12$2,449
Mon 2/309:30SOU - SYD
2 stops34h 20mQatar Airways
Thu 19/321:40SYD - SOU
2 stops33h 00mQatar Airways
Deal found 7/12$2,452
Mon 2/309:30SOU - SYD
2 stops34h 20mQatar Airways
Mon 23/321:40SYD - SOU
2 stops52h 55mQatar Airways
Deal found 7/12$2,457
Wed 4/312:25SOU - SYD
2 stops55h 25mQatar Airways
Wed 18/315:50SYD - SOU
2 stops38h 50mQatar Airways
Deal found 7/12$2,460

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 9 December 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Wed 21/1

12:25-05:40

3 stops30h 15m

Melbourne

Wed 28/1

15:10-15:35

3 stops35h 25m

$2,080

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

$2,204

SouthamptonPerth

SOU - PER

SOUPER

Southampton Eastleigh

Thu 22/1

09:00-04:15

3 stops35h 15m

Perth

Thu 29/1

05:35-19:40

3 stops46h 05m

$2,214

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Thu 9/4

09:10-22:10

2 stops28h 00m

Melbourne

Mon 27/4

20:55-19:30

2 stops31h 35m

$2,317

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Tue 3/3

12:25-06:50

2 stops31h 25m

Sydney Kingsford Smith

Tue 17/3

15:50-15:35

2 stops34h 45m

$2,445

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Mon 2/3

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Wed 18/3

15:50-19:40

2 stops38h 50m

$2,445

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Tue 3/3

12:25-06:50

2 stops31h 25m

Sydney Kingsford Smith

Thu 19/3

21:40-19:40

2 stops33h 00m

$2,452

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Mon 2/3

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Thu 19/3

21:40-19:40

2 stops33h 00m

$2,452

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Mon 2/3

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Mon 23/3

21:40-15:35

2 stops52h 55m

$2,457

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Tue 3/3

12:25-06:50

2 stops31h 25m

Sydney Kingsford Smith

Mon 23/3

21:40-15:35

2 stops52h 55m

$2,457

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 41 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 $674). Flying from Portsmouth in January will prove the most costly (average of $1,515). 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 9 December 2025.

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

    The cheapest routes to Adelaide can be found at Sydney Kingsford Smith airport from $11. While Seoul Gimpo Intl airport is usually cheaper if your destination is Jeju City with prices starting at $26. 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 January. 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 Sydney to Kathmandu from $11 round trip
    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 $57 round trip
    Fly from Paris to Lisbon from $77 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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