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Portsmouth

$58+ Cheap flights from Portsmouth

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EWR
Sep 9 — Sep 161
Wed 9/9
Wed 9/16
1 adult, Economy
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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 August 10, 2026. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SouthamptonAthens

SOU Southampton Eastleigh - ATH Athens Eleftherios V.

SOUATH

Southampton Eastleigh

Mon 9/28

5:20 pm-4:30 pm

1 stop21h 10m

Athens Eleftherios V.

Fri 10/2

5:25 pm-8:45 am

1 stop17h 20m

$361

SouthamptonSplit

SOU Southampton Eastleigh - SPU Split

SOUSPU

Southampton Eastleigh

Sat 8/29

5:30 pm-6:45 pm

1 stop24h 15m

Split

Wed 9/2

6:30 am-8:35 am

1 stop27h 05m

$406

SouthamptonAthens

SOU Southampton Eastleigh - ATH Athens Eleftherios V.

SOUATH

Southampton Eastleigh

Sun 11/22

8:55 am-7:10 pm

2 stops32h 15m

Athens Eleftherios V.

Sun 11/29

7:50 pm-12:05 pm

2 stops18h 15m

$652

SouthamptonAthens

SOU Southampton Eastleigh - ATH Athens Eleftherios V.

SOUATH

Southampton Eastleigh

Sun 11/22

8:55 am-1:25 am

2 stops14h 30m

Athens Eleftherios V.

Thu 11/26

7:30 am-7:00 pm

2 stops13h 30m

$682

SouthamptonAthens

SOU Southampton Eastleigh - ATH Athens Eleftherios V.

SOUATH

Southampton Eastleigh

Sun 11/22

8:55 am-1:25 am

2 stops14h 30m

Athens Eleftherios V.

Sat 11/28

8:05 pm-12:05 pm

2 stops18h 00m

$682

SouthamptonAthens

SOU Southampton Eastleigh - ATH Athens Eleftherios V.

SOUATH

Southampton Eastleigh

Sun 11/22

8:55 am-1:25 am

2 stops14h 30m

Athens Eleftherios V.

Fri 11/27

7:45 am-7:00 pm

2 stops13h 15m

$682

SouthamptonOrlando

SOU Southampton Eastleigh - MCO Orlando

SOUMCO

Southampton Eastleigh

Fri 11/20

8:00 pm-4:55 pm

2 stops25h 55m

Orlando

Sat 12/19

6:30 pm-4:35 pm

2 stops17h 05m

$701

SouthamptonAthens

SOU Southampton Eastleigh - ATH Athens Eleftherios V.

SOUATH

Southampton Eastleigh

Sat 12/26

12:35 pm-1:35 pm

2 stops23h 00m

Athens Eleftherios V.

Thu 12/31

7:50 pm-12:05 pm

2 stops18h 15m

$760

SouthamptonOrlando

SOU Southampton Eastleigh - MCO Orlando

SOUMCO

Southampton Eastleigh

Wed 9/2

9:20 am-6:15 pm

1 stop13h 55m

Orlando

Mon 9/14

9:55 pm-4:50 pm

2 stops37h 55m

$767
Quickest round-trip

SouthamptonBoston

SOU Southampton Eastleigh - BOS Boston Logan Intl

SOUBOS

Southampton Eastleigh

Wed 9/9

9:15 am-7:08 pm

2 stops14h 53m

Boston Logan Intl

Mon 9/21

4:40 pm-8:35 am

1 stop10h 55m

$787

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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 round-trip 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.

No data available for this route at this time. Please check back soon.

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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 August 10, 2026.

  • What is the cheapest airport to fly out of Portsmouth?

    Istanbul airport offers the cheapest routes to Boston, from $23; whereas Cheongju airport is typically cheaper if you're flying to Jeju City, from $24. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

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

    Check out the cheapest flights from Portsmouth to embark to:
    Fly from Istanbul to Ankara from $23 round trip
    Fly from Cheongju to Jeju City from $24 round trip
    Fly from Medellín to Cartagena from $29 round trip
    Fly from Medellín to Santa Marta from $29 round trip
    Fly from Medellín to Cali from $34 round trip

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