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Portsmouth

$45+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EWR
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
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 February 19, 2026.

Cheapest airline

Ryanair
On average, Ryanair currently has the cheapest one-way flight from Portsmouth (avg. price of $152).
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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 February 19, 2026.

This Connections by easyJet deal was found by Cheapflights users on 2/15. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:40 pm
SOU
-
ATH
1 stop22h 55m
easyJet
Tue 7/217:50 pm
ATH
-
SOU
1 stop19h 50m
easyJet
Deal found 2/15$306
This KLM deal was found by Cheapflights users on 2/15. 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.
Tue 7/79:15 am
SOU
-
ATH
1 stop14h 00m
KLM
Tue 7/216:00 am
ATH
-
SOU
1 stop13h 35m
KLM
Deal found 2/15$322
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:40 pm
SOU
-
ATH
1 stop22h 55m
Multiple Airlines
Fri 7/244:10 am
ATH
-
SOU
1 stop18h 05m
Multiple Airlines
Deal found 2/15$324
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:45 pm
SOU
-
ATH
1 stop7h 00m
Multiple Airlines
Tue 7/214:10 am
ATH
-
SOU
1 stop18h 05m
Multiple Airlines
Deal found 2/15$330
This KLM deal was found by Cheapflights users on 2/15. 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.
Mon 7/66:05 pm
SOU
-
ATH
1 stop16h 45m
KLM
Tue 7/216:00 am
ATH
-
SOU
1 stop13h 35m
KLM
Deal found 2/15$333
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:45 pm
SOU
-
ATH
1 stop7h 00m
Multiple Airlines
Wed 7/226:45 am
ATH
-
SOU
1 stop8h 55m
Multiple Airlines
Deal found 2/15$345
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:40 pm
SOU
-
ATH
1 stop22h 55m
Multiple Airlines
Tue 7/219:05 am
ATH
-
SOU
1 stop13h 10m
Multiple Airlines
Deal found 2/15$358
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:45 pm
SOU
-
ATH
1 stop7h 00m
Multiple Airlines
Wed 7/226:45 am
ATH
-
SOU
1 stop8h 55m
Multiple Airlines
Deal found 2/15$360
This KLM deal was found by Cheapflights users on 2/15. 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.
Tue 7/79:15 am
SOU
-
ATH
1 stop14h 00m
KLM
Mon 7/205:50 pm
ATH
-
SOU
1 stop16h 55m
KLM
Deal found 2/15$361
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:45 pm
SOU
-
ATH
1 stop7h 00m
Multiple Airlines
Fri 7/1711:20 am
ATH
-
SOU
1 stop10h 55m
Multiple Airlines
Deal found 2/15$375
This Mytrip deal was found by Cheapflights users on 2/18. 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 3/94:05 pm
SOU
-
EWR
2 stops26h 30m
Multiple Airlines
Tue 3/246:30 pm
EWR
-
SOU
2 stops17h 05m
Multiple Airlines
Deal found 2/18$618
This Mytrip deal was found by Cheapflights users on 2/18. 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 3/94:05 pm
SOU
-
JFK
2 stops28h 40m
Multiple Airlines
Tue 3/246:35 pm
JFK
-
SOU
2 stops17h 00m
Multiple Airlines
Deal found 2/18$640

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 February 19, 2026. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Newark

Route

Depart

Return

Price

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 7/6

6:05 pm-12:50 pm

1 stop16h 45m

Athens Eleftherios V.

Tue 7/21

6:00 am-5:35 pm

1 stop13h 35m

$333

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Tue 7/7

9:15 am-1:15 am

1 stop14h 00m

Athens Eleftherios V.

Mon 7/20

5:50 pm-8:45 am

1 stop16h 55m

$361

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sat 4/4

5:20 pm-12:50 pm

1 stop17h 30m

Athens Eleftherios V.

Sat 4/11

5:45 pm-8:45 am

1 stop17h 00m

$378

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 7/6

6:05 pm-12:50 pm

1 stop16h 45m

Athens Eleftherios V.

Sun 7/19

5:45 pm-8:45 am

1 stop17h 00m

$443

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Fri 7/10

8:45 pm-5:45 am

1 stop7h 00m

Athens Eleftherios V.

Mon 7/20

12:50 pm-5:40 pm

1 stop6h 50m

$465

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 7/9

6:05 pm-12:50 pm

1 stop16h 45m

Athens Eleftherios V.

Tue 7/21

6:00 am-5:35 pm

1 stop13h 35m

$466

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 7/9

6:05 pm-12:50 pm

1 stop16h 45m

Athens Eleftherios V.

Mon 7/20

5:50 pm-8:45 am

1 stop16h 55m

$506

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sun 7/5

9:15 am-1:15 am

1 stop14h 00m

Athens Eleftherios V.

Tue 7/21

6:00 am-5:35 pm

1 stop13h 35m

$513

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 7/9

6:50 am-4:25 pm

1 stop7h 35m

Athens Eleftherios V.

Tue 7/21

9:05 am-8:15 pm

1 stop13h 10m

$541

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 3/2

12:00 pm-11:10 pm

2 stops33h 10m

Athens Eleftherios V.

Thu 3/5

7:30 am-5:30 pm

2 stops12h 00m

$592

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

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, March is the cheapest month in which you can book a flight from Portsmouth (average of $401). Flying from Portsmouth in June will prove the most costly (average of $478). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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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 February 19, 2026.

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

    Istanbul airport offers the cheapest routes to New York, 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?

    March is currently the cheapest month to fly from Portsmouth. At this moment in time June 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 Cali from $28 round trip
    Fly from Bogotá to Medellín from $34 round trip
    Fly from Medellín to Bogotá from $34 round trip

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