$64+ 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 17/3. 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
22 Mar — 29 Mar1
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 20 February 2026.

Cheapest airline

Ryanair
On average, Ryanair currently has the cheapest one-way flight from Portsmouth (avg. price of $108).
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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 20 February 2026.

Mon 6/417:20
SOU
-
SYD
2 stops27h 50m
Multiple Airlines
Mon 13/415:40
SYD
-
SOU
2 stops36h 50m
Multiple Airlines
Deal found 20/2$1,927
Mon 6/409:10
SOU
-
MEL
2 stops45h 40m
Multiple Airlines
Mon 13/417:20
MEL
-
SOU
2 stops47h 45m
Multiple Airlines
Deal found 20/2$1,964
Mon 9/320:10
SOU
-
MEL
2 stops33h 50m
Multiple Airlines
Mon 6/417:20
MEL
-
SOU
2 stops47h 45m
Multiple Airlines
Deal found 18/2$2,123
Wed 22/406:50
SOU
-
SYD
2 stops25h 00m
Multiple Airlines
Thu 23/421:05
SYD
-
SOU
3 stops32h 40m
Multiple Airlines
Deal found 18/2$2,146
Sun 5/420:00
SOU
-
MEL
2 stops34h 50m
Multiple Airlines
Sun 12/417:20
MEL
-
SOU
2 stops35h 10m
Multiple Airlines
Deal found 19/2$2,204
Wed 11/312:25
SOU
-
MEL
2 stops47h 55m
Qatar Airways
Sun 15/316:10
MEL
-
SOU
2 stops38h 30m
Qatar Airways
Deal found 19/2$2,219
Thu 12/309:30
SOU
-
SYD
2 stops34h 20m
Qatar Airways
Mon 16/315:50
SYD
-
SOU
2 stops34h 45m
Qatar Airways
Deal found 19/2$2,280
Wed 11/312:25
SOU
-
SYD
2 stops55h 25m
Qatar Airways
Sun 15/315:50
SYD
-
SOU
2 stops38h 50m
Qatar Airways
Deal found 16/2$2,369
Sat 4/409:10
SOU
-
SYD
2 stops36h 00m
Multiple Airlines
Sat 11/421:30
SYD
-
SOU
2 stops52h 05m
Multiple Airlines
Deal found 18/2$2,456
Wed 19/820:00
SOU
-
MEL
2 stops41h 10m
Qatar Airways
Wed 9/915:10
MEL
-
SOU
2 stops37h 20m
Qatar Airways
Deal found 18/2$2,521
Thu 2/420:00
SOU
-
MEL
2 stops34h 50m
Multiple Airlines
Thu 9/417:20
MEL
-
SOU
2 stops35h 10m
Multiple Airlines
Deal found 16/2$2,606
Mon 17/820:00
SOU
-
MEL
2 stops41h 10m
Qatar Airways
Mon 7/915:10
MEL
-
SOU
2 stops37h 20m
Qatar Airways
Deal found 16/2$2,609

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 20 February 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

Wed 22/4

06:50-16:50

2 stops25h 00m

Sydney Kingsford Smith

Thu 23/4

21:05-20:45

3 stops32h 40m

$2,146

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sun 5/4

20:00-15:50

2 stops34h 50m

Melbourne

Sun 12/4

17:20-19:30

2 stops35h 10m

$2,204

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Wed 11/3

12:25-23:20

2 stops47h 55m

Melbourne

Sun 15/3

16:10-19:40

2 stops38h 30m

$2,219

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Thu 12/3

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Mon 16/3

15:50-15:35

2 stops34h 45m

$2,280

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Wed 11/3

12:25-06:50

2 stops55h 25m

Sydney Kingsford Smith

Sun 15/3

15:50-19:40

2 stops38h 50m

$2,369

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sat 4/4

09:10-07:10

2 stops36h 00m

Sydney Kingsford Smith

Sat 11/4

21:30-16:35

2 stops52h 05m

$2,456

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Thu 2/4

20:00-16:50

2 stops34h 50m

Melbourne

Thu 9/4

17:20-19:30

2 stops35h 10m

$2,606

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Mon 17/8

20:00-22:10

2 stops41h 10m

Melbourne

Mon 7/9

15:10-19:30

2 stops37h 20m

$2,609

SouthamptonPerth

SOU - PER

SOUPER

Southampton Eastleigh

Wed 18/3

12:25-18:45

2 stops46h 20m

Perth

Wed 25/3

22:45-19:40

2 stops28h 55m

$2,610

SouthamptonPerth

SOU - PER

SOUPER

Southampton Eastleigh

Sun 15/3

09:30-01:25

2 stops31h 55m

Perth

Fri 20/3

10:30-17:00

2 stops38h 30m

$2,640

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 37 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, June is the cheapest month in which you can book a flight from Portsmouth (average of $940). Flying from Portsmouth in July will prove the most costly (average of $1,404). 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 20 February 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 $24. While Busan Gimhae airport is usually cheaper if your destination is Jeju City with prices starting at $38. 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 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 $24 round trip
    Fly from Madrid to London from $47 round trip
    Fly from London to Málaga from $54 round trip
    Fly from Paris to Lisbon from $72 round trip
    Fly from London to Split from $72 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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