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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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — JFK
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
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 June 8, 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

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Sat 9/5

5:20 pm-11:10 pm

1 stop4h 50m

Split

Fri 9/18

12:50 pm-8:45 am

1 stop20h 55m

$346

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Sat 7/4

6:50 pm-3:20 pm

1 stop19h 30m

Split

Wed 7/8

8:55 pm-11:05 am

1 stop15h 10m

$360

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Sat 9/5

5:20 pm-12:05 pm

1 stop17h 45m

Split

Thu 9/17

12:50 pm-8:35 am

1 stop20h 45m

$365
Quickest round-trip

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Fri 9/4

5:20 pm-11:10 pm

1 stop4h 50m

Split

Sat 9/19

4:45 pm-8:45 am

1 stop17h 00m

$388

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Sat 6/27

9:15 am-11:10 pm

1 stop12h 55m

Split

Wed 7/1

6:30 am-8:35 am

1 stop27h 05m

$402

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sun 6/21

8:25 am-10:45 am

1 stop24h 20m

Athens Eleftherios V.

Thu 6/25

10:50 pm-7:40 pm

1 stop22h 50m

$415

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 7/23

5:20 pm-6:40 pm

2 stops23h 20m

Athens Eleftherios V.

Thu 7/30

6:45 pm-7:40 pm

2 stops26h 55m

$421

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 6/17

3:35 pm-8:45 am

2 stops15h 10m

Athens Eleftherios V.

Sat 6/20

6:45 am-7:30 pm

1 stop14h 45m

$442

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Fri 9/4

6:50 am-12:35 am

2 stops15h 45m

Athens Eleftherios V.

Wed 9/16

4:15 pm-9:25 am

2 stops19h 10m

$611

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 8/3

2:25 pm-1:05 pm

2 stops20h 40m

Athens Eleftherios V.

Thu 8/20

4:20 pm-9:25 am

2 stops19h 05m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

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.

When is the cheapest time to fly from Portsmouth?

Use this chart to determine the cheapest time to fly round-trip from Portsmouth to John F Kennedy Intl. Price data was last updated on May 30, 2026.

Those who are seeking the cheapest fare on flights departing from Portsmouth would be wise to consider leaving during Sunday evenings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Wednesday evenings when fares are usually the most expensive.

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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 June 8, 2026.

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

    Istanbul airport offers the cheapest routes to Atlanta, 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 Medellín to Santa Marta from $24 round trip
    Fly from Cheongju to Jeju City from $24 round trip
    Fly from Santa Marta to Medellín from $24 round trip
    Fly from Bogotá to Cartagena from $28 round trip

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