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Portsmouth

$56+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — JFK
ene. 31 — feb. 71
sáb. 1/31
sáb. 2/7
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 enero 1, 2026.

Cheapest airline

Ryanair
On average, Ryanair currently has the cheapest one-way flight from Portsmouth (avg. price of $164).
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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 enero 1, 2026.

This KLM deal was found by Cheapflights users on 1/1. 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.
dom. 2/155:45 pmSOU - ATH
1 stop5h 30mKLM
dom. 2/225:25 pmATH - SOU
1 stop16h 55mKLM
Deal found 1/1$351
This Kiwi.com deal was found by Cheapflights users on 1/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/156:20 pmSOU - ATH
2 stops37h 45mMultiple Airlines
dom. 2/228:40 pmATH - SOU
1 stop13h 30mMultiple Airlines
Deal found 1/1$430
This British Airways deal was found by Cheapflights users on 1/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/812:35 pmSOU - ATH
2 stops22h 35mBritish Airways
mié. 4/154:15 pmATH - SOU
2 stops19h 10mBritish Airways
Deal found 1/1$534
This Ticket deal was found by Cheapflights users on 12/31. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 1/118:10 pmSOU - EWR
1 stop25h 05mBritish Airways
sáb. 1/245:45 pmEWR - SOU
1 stop10h 00mBritish Airways
Deal found 12/31$548
This Ticket deal was found by Cheapflights users on 12/31. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 1/118:10 pmSOU - JFK
1 stop22h 45mBritish Airways
sáb. 1/245:00 pmJFK - SOU
1 stop10h 45mBritish Airways
Deal found 12/31$555
This British Airways deal was found by Cheapflights users on 12/31. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/212:00 pmSOU - ATH
2 stops23h 20mBritish Airways
jue. 3/54:10 pmATH - SOU
2 stops27h 20mBritish Airways
Deal found 12/31$561
This British Airways deal was found by Cheapflights users on 12/31. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/229:30 amSOU - JFK
2 stops31h 45mBritish Airways
lun. 1/265:00 pmJFK - SOU
1 stop13h 55mBritish Airways
Deal found 12/31$567
This British Airways deal was found by Cheapflights users on 1/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 1/189:30 amSOU - EWR
1 stop11h 45mBritish Airways
lun. 3/25:45 pmEWR - SOU
1 stop13h 10mBritish Airways
Deal found 1/1$570
This Expedia deal was found by Cheapflights users on 12/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/2812:25 pmSOU - JFK
1 stop12h 04mBritish Airways
mié. 2/45:00 pmJFK - SOU
1 stop10h 45mBritish Airways
Deal found 12/31$571
This British Airways deal was found by Cheapflights users on 12/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/229:30 amSOU - LGA
2 stops16h 59mBritish Airways
lun. 1/2611:15 amLGA - SOU
2 stops19h 40mBritish Airways
Deal found 12/30$572
This Delta deal was found by Cheapflights users on 1/1. 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.
sáb. 3/215:30 pmSOU - SFO
1 stop26h 20mDelta
mié. 4/17:00 amSFO - SOU
2 stops17h 35mDelta
Deal found 1/1$572
This Expedia deal was found by Cheapflights users on 1/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/1112:25 pmSOU - JFK
1 stop12h 04mBritish Airways
mié. 2/259:00 pmJFK - SOU
1 stop13h 35mBritish Airways
Deal found 1/1$572

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 enero 1, 2026. 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

dom. 2/15

5:45 pm-1:15 am

1 stop5h 30m

Athens Eleftherios V.

dom. 2/22

5:25 pm-8:20 am

1 stop16h 55m

$351

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

dom. 2/15

6:20 pm-10:05 am

2 stops37h 45m

Athens Eleftherios V.

dom. 2/22

8:40 pm-8:10 am

1 stop13h 30m

$430

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

mié. 4/8

12:35 pm-1:10 pm

2 stops22h 35m

Athens Eleftherios V.

mié. 4/15

4:15 pm-9:25 am

2 stops19h 10m

$534

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

lun. 3/2

12:00 pm-1:20 pm

2 stops23h 20m

Athens Eleftherios V.

jue. 3/5

4:10 pm-5:30 pm

2 stops27h 20m

$561

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

jue. 1/22

9:30 am-7:29 pm

1 stop14h 59m

New York John F Kennedy Intl

lun. 1/26

5:00 pm-11:55 am

1 stop13h 55m

$570

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

lun. 3/9

9:30 am-8:29 pm

1 stop14h 59m

New York John F Kennedy Intl

lun. 3/16

6:00 pm-3:35 pm

1 stop17h 35m

$570

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

lun. 3/9

9:30 am-5:15 pm

1 stop11h 45m

Newark

lun. 3/16

6:45 pm-3:35 pm

1 stop16h 50m

$570

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

jue. 1/22

9:30 am-4:15 pm

1 stop11h 45m

Newark

lun. 1/26

5:45 pm-11:55 am

1 stop13h 10m

$570

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

dom. 1/18

9:30 am-4:15 pm

1 stop11h 45m

Newark

lun. 3/2

5:45 pm-11:55 am

1 stop13h 10m

$571

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

sáb. 3/21

5:30 pm-12:50 pm

1 stop26h 20m

San Francisco

mié. 4/1

7:00 am-8:35 am

2 stops17h 35m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

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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, January is the cheapest month in which you can book a flight from Portsmouth (average of $353). Flying from Portsmouth in July will prove the most costly (average of $455). 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 December 27, 2025.

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 Friday 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 enero 1, 2026.

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

    London Heathrow airport offers the cheapest routes to Dubai, from $7; whereas Miami airport is typically cheaper if you're flying to Dubai, from $23. 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?

    January 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 London to Las Vegas from $7 round trip
    Fly from Miami to Houston from $23 round trip
    Fly from Istanbul to Ankara from $23 round trip
    Fly from Cheongju to Jeju City from $24 round trip
    Fly from Mexico City to Puerto Vallarta from $28 round trip

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