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Portsmouth

$57+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — JFK
Sep 7 — Sep 141
Mon 9/7
Mon 9/14
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 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

SouthamptonAthens

SOU Southampton Eastleigh - ATH Athens Eleftherios V.

SOUATH

Southampton Eastleigh

Wed 9/23

3:35 pm-7:20 pm

1 stop25h 45m

Athens Eleftherios V.

Mon 9/28

8:00 am-8:05 pm

1 stop14h 05m

$356

SouthamptonAthens

SOU Southampton Eastleigh - ATH Athens Eleftherios V.

SOUATH

Southampton Eastleigh

Thu 9/17

3:25 pm-3:20 pm

2 stops21h 55m

Athens Eleftherios V.

Thu 9/24

4:00 pm-8:45 am

2 stops18h 45m

$357

SouthamptonAthens

SOU Southampton Eastleigh - ATH Athens Eleftherios V.

SOUATH

Southampton Eastleigh

Thu 9/17

5:20 pm-12:50 pm

1 stop17h 30m

Athens Eleftherios V.

Thu 9/24

1:35 pm-8:35 am

1 stop21h 00m

$446

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

Sun 10/11

8:55 am-2:10 am

2 stops15h 15m

Athens Eleftherios V.

Wed 10/14

7:00 pm-12:05 pm

2 stops19h 05m

$757

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

7:59 pm-4:50 pm

1 stop15h 51m

$790

SouthamptonNew York

SOU Southampton Eastleigh - JFK New York John F Kennedy Intl

SOUJFK

Southampton Eastleigh

Wed 11/4

9:20 am-7:25 pm

1 stop15h 05m

New York John F Kennedy Intl

Wed 11/25

10:00 pm-7:30 pm

1 stop16h 30m

$797

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Mon 9/14

9:05 am-10:24 pm

2 stops18h 19m

New York LaGuardia

Wed 9/30

1:00 pm-8:35 am

2 stops14h 35m

$837

SouthamptonLos Angeles

SOU Southampton Eastleigh - LAX Los Angeles Los Angeles

SOULAX

Southampton Eastleigh

Sun 9/6

9:15 am-10:21 pm

2 stops21h 06m

Los Angeles Los Angeles

Sat 9/12

10:30 am-4:50 pm

2 stops22h 20m

$838

SouthamptonMiami

SOU Southampton Eastleigh - MIA Miami

SOUMIA

Southampton Eastleigh

Fri 9/4

5:20 pm-2:45 pm

1 stop26h 25m

Miami

Tue 9/8

4:55 pm-8:45 am

1 stop10h 50m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

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 August 1, 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 August 8, 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 Santa Marta from $26 round trip
    Fly from Cartagena to Medellín from $29 round trip
    Fly from Medellín to Cartagena from $30 round trip

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