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Portsmouth

$95+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — JFK
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 travelers. Please note that the information is based on the most recent updates available. Data last updated September 17, 2025.

Cheapest airline

British Airways
On average, British Airways currently has the cheapest one-way flight from Portsmouth (avg. price of $165).
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Find flights from Portsmouth

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 September 17, 2025.

This Connections by easyJet deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/128:25 amSOU - ATH
1 stop24h 20measyJet
Fri 10/1710:50 amATH - SOU
1 stop10h 05measyJet
Deal found 9/16$321
This KLM deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:30 pmSOU - ATH
1 stop17h 20mKLM
Sat 11/86:05 amATH - SOU
1 stop12h 55mKLM
Deal found 9/17$358
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:05 pmSOU - EWR
3 stops26h 30mMultiple Airlines
Thu 11/65:30 pmEWR - SOU
2 stops21h 10mMultiple Airlines
Deal found 9/16$501
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:05 pmSOU - JFK
2 stops28h 40mMultiple Airlines
Thu 11/65:35 pmJFK - SOU
2 stops21h 05mMultiple Airlines
Deal found 9/16$523
This KLM deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:05 pmSOU - JFK
1 stop26h 40mKLM
Thu 11/64:45 pmJFK - SOU
1 stop10h 20mKLM
Deal found 9/15$570
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:25 amSOU - EWR
2 stops17h 45mDelta
Sat 11/812:55 pmEWR - SOU
2 stops14h 55mDelta
Deal found 9/16$579
This Virgin Atlantic deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:25 amSOU - JFK
2 stops16h 04mVirgin Atlantic
Sat 11/812:59 pmJFK - SOU
2 stops14h 51mVirgin Atlantic
Deal found 9/16$579
This KLM deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/139:25 amSOU - JFK
1 stop31h 15mKLM
Sat 1/315:45 pmJFK - SOU
1 stop18h 30mKLM
Deal found 9/17$581
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:25 amSOU - LGA
2 stops15h 38mDelta
Sat 11/81:00 pmLGA - SOU
2 stops14h 50mDelta
Deal found 9/16$583
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/139:25 amSOU - LGA
2 stops15h 10mDelta
Sat 1/315:00 pmLGA - SOU
2 stops19h 15mDelta
Deal found 9/17$587
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/139:25 amSOU - EWR
2 stops18h 38mDelta
Sat 1/315:00 pmEWR - SOU
2 stops19h 15mDelta
Deal found 9/17$587
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/139:25 amSOU - JFK
2 stops18h 54mDelta
Sat 1/312:00 pmJFK - SOU
2 stops22h 15mDelta
Deal found 9/17$587

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 September 17, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

John F Kennedy Intl

Route

Depart

Return

Price

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sun 10/12

8:25 am-10:45 am

1 stop24h 20m

Athens Eleftherios V.

Fri 10/17

10:50 am-6:55 pm

1 stop10h 05m

$321

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sat 11/1

5:30 pm-12:50 pm

1 stop17h 20m

Athens Eleftherios V.

Sat 11/8

6:05 am-5:00 pm

1 stop12h 55m

$358

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Thu 10/30

9:30 am-2:35 pm

3 stops33h 05m

Newark

Thu 11/6

5:30 pm-7:40 pm

2 stops21h 10m

$519

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Thu 10/30

6:05 pm-4:45 pm

1 stop26h 40m

New York John F Kennedy Intl

Thu 11/6

4:45 pm-8:05 am

1 stop10h 20m

$570

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Sat 11/1

9:25 am-8:20 pm

1 stop14h 55m

New York John F Kennedy Intl

Sat 11/8

12:59 pm-8:50 am

2 stops14h 51m

$573

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Sat 11/1

9:25 am-11:10 pm

2 stops17h 45m

Newark

Sat 11/8

12:55 pm-8:50 am

2 stops14h 55m

$579

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 1/13

9:25 am-11:40 am

1 stop31h 15m

New York John F Kennedy Intl

Sat 1/31

5:45 pm-5:15 pm

1 stop18h 30m

$581

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Sat 11/1

9:25 am-9:03 pm

2 stops15h 38m

New York LaGuardia

Sat 11/8

1:00 pm-8:50 am

2 stops14h 50m

$583

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Tue 1/13

9:25 am-11:03 pm

2 stops18h 38m

Newark

Sat 1/31

5:00 pm-5:15 pm

2 stops19h 15m

$587

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 1/13

9:25 am-11:19 pm

2 stops18h 54m

New York John F Kennedy Intl

Sat 1/31

2:00 pm-5:15 pm

2 stops22h 15m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 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 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.

What is the cheapest month to book a flight from Portsmouth?

Currently, February is the cheapest month in which you can book a flight from Portsmouth (average of $317). Flying from Portsmouth in July will prove the most costly (average of $454). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 October 27, 2024.

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 Saturday mornings 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 September 17, 2025.

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

    Istanbul airport offers the cheapest routes to Cairo, 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.

  • What is the cheapest month to fly from Portsmouth?

    February is currently the cheapest month to fly from Portsmouth. At this moment in time July is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • 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 $36 round trip
    Fly from New York to Miami from $38 round trip
    Fly from New York to Orlando from $38 round trip

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