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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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — JFK
Apr 6 — Apr 131
Mon 4/6
Mon 4/13
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 March 7, 2026.

Cheapest airline

Ryanair
On average, Ryanair currently has the cheapest one-way flight from Portsmouth (avg. price of $156).
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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 March 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Sat 4/188:00 pm
SOU
-
ATH
1 stop14h 30m
Multiple Airlines
Sat 4/257:45 pm
ATH
-
SOU
2 stops18h 20m
Multiple Airlines
Deal found 3/3$302
This Connections by easyJet deal was found by Cheapflights users on 3/5. 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.
Tue 7/78:45 pm
SOU
-
ATH
1 stop7h 00m
Multiple Airlines
Tue 7/217:50 pm
ATH
-
SOU
1 stop19h 50m
Multiple Airlines
Deal found 3/5$314
This KLM deal was found by Cheapflights users on 3/5. 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.
Wed 7/89:15 am
SOU
-
ATH
1 stop14h 00m
KLM
Wed 7/226:00 am
ATH
-
SOU
1 stop13h 35m
KLM
Deal found 3/5$328
This KLM deal was found by Cheapflights users on 3/5. 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.
Wed 7/89:15 am
SOU
-
ATH
1 stop14h 00m
KLM
Mon 7/205:50 pm
ATH
-
SOU
1 stop16h 55m
KLM
Deal found 3/5$333
This KLM deal was found by Cheapflights users on 3/5. 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
Wed 7/226:00 am
ATH
-
SOU
1 stop13h 35m
KLM
Deal found 3/5$362
This KLM deal was found by Cheapflights users on 3/5. 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 3/5$368
This KLM deal was found by Cheapflights users on 3/5. 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.
Wed 7/89:15 am
SOU
-
ATH
1 stop14h 00m
KLM
Tue 7/215:25 pm
ATH
-
SOU
1 stop17h 20m
KLM
Deal found 3/5$382
This KLM deal was found by Cheapflights users on 3/5. 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 7/69:15 am
SOU
-
ATH
1 stop14h 00m
KLM
Wed 7/226:00 am
ATH
-
SOU
1 stop13h 35m
KLM
Deal found 3/5$413
This KLM deal was found by Cheapflights users on 3/5. 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 7/69:15 am
SOU
-
ATH
1 stop14h 00m
KLM
Mon 7/205:50 pm
ATH
-
SOU
1 stop16h 55m
KLM
Deal found 3/5$419
This KLM deal was found by Cheapflights users on 3/5. 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 3/178:50 am
SOU
-
ATH
1 stop14h 25m
KLM
Tue 3/245:20 pm
ATH
-
SOU
1 stop17h 00m
KLM
Deal found 3/5$455
This KLM deal was found by Cheapflights users on 3/5. 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 7/69:15 am
SOU
-
ATH
1 stop14h 00m
KLM
Tue 7/216:00 am
ATH
-
SOU
1 stop13h 35m
KLM
Deal found 3/5$468
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Sat 4/189:20 am
SOU
-
LAX
1 stop17h 05m
Aer Lingus
Sat 4/258:10 pm
LAX
-
SOU
1 stop15h 20m
Aer Lingus
Deal found 3/6$605

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sat 4/18

8:00 pm-12:30 pm

1 stop14h 30m

Athens Eleftherios V.

Sat 4/25

7:45 pm-12:05 pm

2 stops18h 20m

$302

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 3/18

12:00 pm-1:20 am

2 stops11h 20m

Athens Eleftherios V.

Wed 3/25

3:00 pm-5:30 pm

2 stops28h 30m

$537

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Tue 3/17

8:55 am-12:30 pm

2 stops25h 35m

Athens Eleftherios V.

Thu 3/26

7:50 pm-5:30 pm

2 stops23h 40m

$600

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 4/18

9:20 am-6:25 pm

1 stop17h 05m

Los Angeles Los Angeles

Sat 4/25

8:10 pm-7:30 pm

1 stop15h 20m

$607

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Fri 4/17

9:25 am-8:00 pm

1 stop15h 35m

Miami

Fri 4/24

9:45 pm-7:55 am

2 stops29h 10m

$631

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 4/22

6:50 am-2:10 am

2 stops17h 20m

Athens Eleftherios V.

Sun 4/26

8:50 pm-5:40 pm

2 stops22h 50m

$637

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 3/19

12:00 pm-12:15 pm

2 stops22h 15m

Athens Eleftherios V.

Sun 3/22

2:50 pm-11:50 am

2 stops23h 00m

$642

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 4/22

6:50 am-7:05 pm

2 stops10h 15m

Athens Eleftherios V.

Tue 4/28

7:55 am-5:40 pm

2 stops11h 45m

$645

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Fri 6/12

6:50 am-11:20 am

2 stops51h 30m

Split

Wed 6/17

6:10 pm-12:05 pm

2 stops18h 55m

$671

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Sat 6/13

6:50 am-11:20 am

2 stops27h 30m

Split

Wed 6/17

6:10 pm-12:05 pm

2 stops18h 55m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from Portsmouth (average of $130). 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 February 21, 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 March 7, 2026.

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

    Santa Ana J. Wayne/Orange Cnty airport offers the cheapest routes to Guatemala City, from $20; whereas Medellín Jose Maria Cordova Intl airport is typically cheaper if you're flying to Atlanta, from $22. 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?

    August 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 Santa Ana to Las Vegas from $20 round trip
    Fly from Medellín to Barranquilla from $22 round trip
    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 $25 round trip

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