$103+ 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 24/11. 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 Oct — 24 Oct1
1 adult
1 adult, Economy

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 September 2025.

Cheapest airline

Ryanair
On average, Ryanair currently has the cheapest one-way flight from Portsmouth (avg. price of $166).
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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 17 September 2025.

Wed 29/1014:25SOU - PER
3 stops29h 35mMultiple Airlines
Wed 5/1117:50PER - SOU
3 stops33h 50mMultiple Airlines
Deal found 14/9$1,804
Fri 31/1008:40SOU - MEL
2 stops38h 20mMultiple Airlines
Fri 7/1122:30MEL - SOU
2 stops45h 20mMultiple Airlines
Deal found 16/9$2,107
Fri 31/1008:40SOU - PER
3 stops35h 40mMultiple Airlines
Thu 6/1104:40PER - SOU
3 stops39h 15mMultiple Airlines
Deal found 16/9$2,164
Wed 29/1012:25SOU - BNE
3 stops34h 35mMultiple Airlines
Wed 5/1111:10BNE - SOU
3 stops42h 30mMultiple Airlines
Deal found 14/9$2,167
Thu 30/1009:30SOU - MEL
3 stops34h 55mMultiple Airlines
Thu 6/1112:00MEL - SOU
3 stops42h 40mMultiple Airlines
Deal found 15/9$2,189
Mon 10/1109:30SOU - SYD
2 stops34h 20mQatar Airways
Tue 25/1115:50SYD - SOU
2 stops38h 50mQatar Airways
Deal found 14/9$2,233
Tue 11/1120:10SOU - SYD
2 stops47h 40mQatar Airways
Tue 25/1115:50SYD - SOU
2 stops38h 50mQatar Airways
Deal found 14/9$2,237
Sat 7/209:30SOU - SYD
2 stops34h 20mQatar Airways
Wed 18/315:50SYD - SOU
2 stops34h 45mQatar Airways
Deal found 14/9$2,288
Fri 6/220:10SOU - SYD
2 stops47h 40mQatar Airways
Thu 19/315:50SYD - SOU
2 stops34h 45mQatar Airways
Deal found 14/9$2,291
Sat 7/209:30SOU - SYD
2 stops34h 20mQatar Airways
Tue 17/321:40SYD - SOU
2 stops52h 55mQatar Airways
Deal found 14/9$2,298
Fri 6/220:10SOU - SYD
2 stops47h 40mQatar Airways
Tue 17/321:40SYD - SOU
2 stops52h 55mQatar Airways
Deal found 14/9$2,303
Sat 7/309:30SOU - SYD
2 stops34h 20mQatar Airways
Sat 21/315:50SYD - SOU
2 stops34h 45mQatar Airways
Deal found 15/9$2,322

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

Fly to

Sydney

Route

Depart

Return

Price

SouthamptonPerth

SOU - PER

SOUPER

Southampton Eastleigh

Wed 29/10

14:25-04:00

3 stops29h 35m

Perth

Wed 5/11

17:50-19:40

3 stops33h 50m

$1,804

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Fri 31/10

08:40-10:00

2 stops38h 20m

Melbourne

Fri 7/11

22:30-08:50

2 stops45h 20m

$2,107

SouthamptonPerth

SOU - PER

SOUPER

Southampton Eastleigh

Fri 31/10

08:40-04:20

3 stops35h 40m

Perth

Thu 6/11

04:40-11:55

3 stops39h 15m

$2,164

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Thu 30/10

09:30-07:25

3 stops34h 55m

Melbourne

Thu 6/11

12:00-19:40

3 stops42h 40m

$2,189

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Mon 10/11

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Tue 25/11

15:50-19:40

2 stops38h 50m

$2,233

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Tue 11/11

20:10-06:50

2 stops47h 40m

Sydney Kingsford Smith

Tue 25/11

15:50-19:40

2 stops38h 50m

$2,237

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sat 7/2

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Wed 18/3

15:50-15:35

2 stops34h 45m

$2,288

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sat 7/2

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Thu 19/3

15:50-15:35

2 stops34h 45m

$2,288

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sun 8/2

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Wed 18/3

15:50-19:40

2 stops38h 50m

$2,288

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Fri 6/2

20:10-06:50

2 stops47h 40m

Sydney Kingsford Smith

Thu 19/3

15:50-15:35

2 stops34h 45m

$2,291

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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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, June is the cheapest month in which you can book a flight from Portsmouth (average of $993). Flying from Portsmouth in December will prove the most costly (average of $1,597). 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 17 September 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 $25. While Melbourne airport is usually cheaper if your destination is Adelaide with prices starting at $30. 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 June. The most expensive month for flights is December. 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 Melbourne to Mumbai from $30 round trip
    Fly from New Delhi to Sydney from $30 round trip
    Fly from Madrid to London from $49 round trip
    Fly from London to Málaga from $57 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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