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Portsmouth

$51+ 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
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
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 July 3, 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 8/15

7:50 am-10:25 am

1 stop25h 35m

Split

Sun 8/23

11:00 am-8:20 am

1 stop22h 20m

$309

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Fri 8/21

6:05 pm-9:30 pm

1 stop26h 25m

Split

Fri 8/28

5:45 pm-8:45 am

1 stop16h 00m

$340

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 8/12

8:00 pm-8:20 pm

2 stops22h 20m

Athens Eleftherios V.

Wed 8/26

9:25 am-8:35 am

2 stops25h 10m

$340

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 8/13

6:05 pm-12:50 pm

1 stop16h 45m

Athens Eleftherios V.

Thu 8/20

5:25 pm-8:45 am

1 stop17h 20m

$386

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Fri 8/21

8:10 pm-7:55 am

1 stop10h 45m

Split

Fri 8/28

4:35 pm-8:40 am

2 stops17h 05m

$440

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Fri 8/28

8:00 pm-7:15 pm

2 stops28h 15m

Boston Logan Intl

Mon 8/31

5:25 pm-8:40 am

1 stop10h 15m

$781

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 8/24

9:15 am-10:34 pm

2 stops18h 19m

New York LaGuardia

Wed 9/9

5:05 pm-4:50 pm

2 stops18h 45m

$824

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 7/13

6:05 pm-5:10 pm

1 stop28h 05m

New York John F Kennedy Intl

Mon 7/27

9:15 pm-8:45 am

1 stop30h 30m

$828

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 7/13

9:15 am-10:21 pm

2 stops18h 06m

New York LaGuardia

Mon 7/27

9:00 am-8:45 am

2 stops18h 45m

$833

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 11/2

8:40 am-9:29 pm

2 stops17h 49m

New York LaGuardia

Sun 11/8

11:50 am-8:10 am

2 stops15h 20m

$840

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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 June 27, 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 Thursday 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 July 3, 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 Cheongju to Jeju City from $24 round trip
    Fly from Medellín to Santa Marta from $25 round trip
    Fly from Santa Marta to Medellín from $26 round trip
    Fly from Medellín to Cartagena from $29 round trip

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