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Portsmouth

$73+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — JFK
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
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 December 27, 2025.

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 December 27, 2025.

This British Airways deal was found by Cheapflights users on 12/26. 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.
Tue 1/133:00 pmSOU - ATH
2 stops26h 30mBritish Airways
Tue 1/277:35 amATH - SOU
2 stops11h 55mBritish Airways
Deal found 12/26$534
This British Airways deal was found by Cheapflights users on 12/26. 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.
Tue 1/133:00 pmSOU - ATH
2 stops19h 30mBritish Airways
Wed 1/283:00 pmATH - SOU
2 stops28h 30mBritish Airways
Deal found 12/26$543
This TravelUp deal was found by Cheapflights users on 12/27. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/239:30 amSOU - JFK
1 stop14h 59mBritish Airways
Tue 1/279:00 pmJFK - SOU
1 stop9h 55mBritish Airways
Deal found 12/27$550
This TravelUp deal was found by Cheapflights users on 12/25. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/89:30 amSOU - JFK
1 stop14h 59mBritish Airways
Sun 2/155:00 pmJFK - SOU
1 stop17h 35mBritish Airways
Deal found 12/25$551
This TravelUp deal was found by Cheapflights users on 12/25. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/89:30 amSOU - EWR
1 stop11h 45mBritish Airways
Sun 2/155:45 pmEWR - SOU
1 stop16h 50mBritish Airways
Deal found 12/25$551
This TravelUp deal was found by Cheapflights users on 12/27. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1012:25 pmSOU - BOS
1 stop11h 34mBritish Airways
Tue 2/179:15 pmBOS - SOU
1 stop13h 20mBritish Airways
Deal found 12/27$553
This British Airways deal was found by Cheapflights users on 12/26. 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.
Fri 1/1612:00 pmSOU - ATH
2 stops11h 25mBritish Airways
Thu 1/297:30 amATH - SOU
2 stops12h 00mBritish Airways
Deal found 12/26$556
This TravelUp deal was found by Cheapflights users on 12/27. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/239:30 amSOU - JFK
1 stop14h 59mBritish Airways
Thu 2/269:00 pmJFK - SOU
1 stop17h 40mBritish Airways
Deal found 12/27$558
This TravelUp deal was found by Cheapflights users on 12/27. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/239:30 amSOU - EWR
1 stop11h 45mBritish Airways
Thu 2/265:45 pmEWR - SOU
1 stop10h 00mBritish Airways
Deal found 12/27$558
This British Airways deal was found by Cheapflights users on 12/26. 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.
Mon 3/212:00 pmSOU - ATH
2 stops25h 50mBritish Airways
Thu 3/57:50 pmATH - SOU
2 stops23h 40mBritish Airways
Deal found 12/26$563
This British Airways deal was found by Cheapflights users on 12/26. 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.
Fri 1/1612:00 pmSOU - ATH
2 stops11h 25mBritish Airways
Fri 1/307:50 pmATH - SOU
2 stops22h 50mBritish Airways
Deal found 12/26$565
This British Airways deal was found by Cheapflights users on 12/26. 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.
Mon 1/199:30 amSOU - JFK
2 stops28h 30mBritish Airways
Sat 2/75:00 pmJFK - SOU
1 stop10h 45mBritish Airways
Deal found 12/26$566

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 December 27, 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

Mon 1/19

12:00 pm-1:20 pm

2 stops23h 20m

Athens Eleftherios V.

Thu 1/29

7:30 am-5:30 pm

2 stops12h 00m

$534

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 1/19

12:00 pm-1:20 pm

2 stops23h 20m

Athens Eleftherios V.

Sun 2/1

2:50 pm-5:30 pm

2 stops28h 40m

$534

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sat 1/17

5:15 pm-1:25 am

2 stops30h 10m

Athens Eleftherios V.

Tue 1/27

7:35 am-5:30 pm

2 stops11h 55m

$534

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sun 1/18

12:15 pm-1:25 am

2 stops11h 10m

Athens Eleftherios V.

Sun 2/1

2:50 pm-5:30 pm

2 stops28h 40m

$534

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 1/19

12:00 pm-1:20 am

2 stops11h 20m

Athens Eleftherios V.

Tue 1/27

7:35 am-5:30 pm

2 stops11h 55m

$534

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sat 1/17

5:15 pm-1:25 am

2 stops30h 10m

Athens Eleftherios V.

Thu 1/29

7:30 am-5:30 pm

2 stops12h 00m

$534

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sun 1/18

12:15 pm-1:25 am

2 stops11h 10m

Athens Eleftherios V.

Tue 1/27

7:35 am-5:30 pm

2 stops11h 55m

$534

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 1/14

12:00 pm-1:20 am

2 stops11h 20m

Athens Eleftherios V.

Thu 1/29

7:30 am-5:30 pm

2 stops12h 00m

$534

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 1/15

3:00 pm-6:50 pm

2 stops25h 50m

Athens Eleftherios V.

Thu 1/29

7:30 am-5:30 pm

2 stops12h 00m

$534

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 1/14

12:00 pm-1:20 am

2 stops11h 20m

Athens Eleftherios V.

Fri 1/30

7:50 pm-4:40 pm

2 stops22h 50m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

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 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 December 27, 2025.

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

    Istanbul airport offers the cheapest routes to Shanghai, 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 Bogotá to Medellín from $27 round trip
    Fly from Atlanta to Fort Lauderdale from $28 round trip
    Fly from Medellín to Bogotá from $32 round trip

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