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Portsmouth

$67+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — JFK
fev 27 — mar 61
sex 2/27
sex 3/6
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 janeiro 28, 2026.

Cheapest airline

Ryanair
On average, Ryanair currently has the cheapest one-way flight from Portsmouth (avg. price of $151).
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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 janeiro 28, 2026.

This British Airways deal was found by Cheapflights users on 1/25. 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.
seg 3/212:00 pm
SOU
-
ATH
2 stops28h 55m
British Airways
qui 3/57:50 pm
ATH
-
SOU
2 stops23h 40m
British Airways
Deal found 1/25$569
This British Airways deal was found by Cheapflights users on 1/26. 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 2/89:30 am
SOU
-
JFK
1 stop14h 59m
British Airways
ter 2/245:00 pm
JFK
-
SOU
1 stop13h 55m
British Airways
Deal found 1/26$576
This British Airways deal was found by Cheapflights users on 1/26. 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 2/89:30 am
SOU
-
EWR
1 stop11h 45m
British Airways
ter 2/245:45 pm
EWR
-
SOU
1 stop13h 10m
British Airways
Deal found 1/26$576
This British Airways deal was found by Cheapflights users on 1/26. 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.
qua 3/412:25 pm
SOU
-
JFK
1 stop12h 04m
British Airways
dom 3/86:00 pm
JFK
-
SOU
1 stop10h 45m
British Airways
Deal found 1/26$579
This British Airways deal was found by Cheapflights users on 1/26. 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.
seg 2/239:30 am
SOU
-
EWR
1 stop11h 45m
British Airways
seg 3/166:45 pm
EWR
-
SOU
1 stop16h 50m
British Airways
Deal found 1/26$579
This British Airways deal was found by Cheapflights users on 1/26. 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.
ter 2/1712:25 pm
SOU
-
BOS
1 stop11h 34m
British Airways
seg 2/235:10 pm
BOS
-
SOU
1 stop13h 45m
British Airways
Deal found 1/26$581
This British Airways deal was found by Cheapflights users on 1/27. 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.
sáb 2/289:30 am
SOU
-
JFK
1 stop14h 59m
British Airways
ter 3/35:00 pm
JFK
-
SOU
1 stop13h 55m
British Airways
Deal found 1/27$585
This British Airways deal was found by Cheapflights users on 1/27. 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.
sáb 2/289:30 am
SOU
-
EWR
1 stop11h 45m
British Airways
ter 3/35:45 pm
EWR
-
SOU
1 stop13h 10m
British Airways
Deal found 1/27$585
This British Airways deal was found by Cheapflights users on 1/27. 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.
sex 2/278:10 pm
SOU
-
EWR
1 stop25h 05m
British Airways
ter 3/35:45 pm
EWR
-
SOU
1 stop13h 10m
British Airways
Deal found 1/27$586
This British Airways deal was found by Cheapflights users on 1/26. 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.
seg 2/168:10 pm
SOU
-
BOS
1 stop22h 45m
British Airways
seg 2/239:15 pm
BOS
-
SOU
1 stop9h 40m
British Airways
Deal found 1/26$589
This British Airways deal was found by Cheapflights users on 1/27. 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.
sex 2/278:10 pm
SOU
-
JFK
1 stop28h 19m
British Airways
ter 3/35:00 pm
JFK
-
SOU
1 stop13h 55m
British Airways
Deal found 1/27$594
This KLM deal was found by Cheapflights users on 1/26. 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.
qui 3/128:50 am
SOU
-
JFK
1 stop33h 25m
KLM
qui 3/195:40 pm
JFK
-
SOU
1 stop19h 20m
KLM
Deal found 1/26$599

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 janeiro 28, 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

seg 3/2

12:00 pm-6:55 pm

2 stops28h 55m

Athens Eleftherios V.

qui 3/5

7:50 pm-5:30 pm

2 stops23h 40m

$569

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

dom 2/8

9:30 am-4:15 pm

1 stop11h 45m

Newark

ter 2/24

5:45 pm-11:55 am

1 stop13h 10m

$576

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

qua 3/4

12:25 pm-7:29 pm

1 stop12h 04m

New York John F Kennedy Intl

dom 3/8

6:00 pm-8:45 am

1 stop10h 45m

$579

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

seg 2/23

9:30 am-4:15 pm

1 stop11h 45m

Newark

seg 3/16

6:45 pm-3:35 pm

1 stop16h 50m

$579

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

ter 2/17

12:25 pm-6:59 pm

1 stop11h 34m

Boston Logan Intl

seg 2/23

5:10 pm-11:55 am

1 stop13h 45m

$581

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

ter 2/17

12:25 pm-6:59 pm

1 stop11h 34m

Boston Logan Intl

qua 2/25

5:10 pm-8:45 am

1 stop10h 35m

$581

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

sáb 2/28

9:30 am-7:29 pm

1 stop14h 59m

New York John F Kennedy Intl

ter 3/3

5:00 pm-11:55 am

1 stop13h 55m

$585

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

sáb 2/28

9:30 am-4:15 pm

1 stop11h 45m

Newark

ter 3/3

5:45 pm-11:55 am

1 stop13h 10m

$585

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

sex 2/27

8:10 pm-4:15 pm

1 stop25h 05m

Newark

ter 3/3

5:45 pm-11:55 am

1 stop13h 10m

$586

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

seg 2/16

8:10 pm-6:59 pm

1 stop27h 49m

Boston Logan Intl

qui 2/26

5:10 pm-8:45 am

1 stop10h 35m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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, 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 January 24, 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 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 janeiro 28, 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.

  • 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 Istanbul to Ankara from $23 round trip
    Fly from Cheongju to Jeju City from $24 round trip
    Fly from Cali to Medellín from $30 round trip
    Fly from Las Vegas to Los Angeles from $31 round trip
    Fly from Bogotá to Cali from $31 round trip

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