HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portsmouth

$50+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — JFK
Aug 19 — Aug 261
Wed 8/19
Wed 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 July 20, 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

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Thu 8/13

9:15 am-10:55 pm

1 stop12h 40m

Split

Thu 8/20

5:45 pm-8:45 am

1 stop16h 00m

$327

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sun 8/9

9:15 am-12:50 pm

1 stop25h 35m

Athens Eleftherios V.

Thu 8/13

1:35 pm-8:45 am

1 stop21h 10m

$384

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sun 8/9

8:00 pm-12:15 pm

1 stop14h 15m

Athens Eleftherios V.

Thu 8/13

10:45 pm-7:20 am

2 stops34h 35m

$440

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sun 8/16

9:20 am-12:15 pm

1 stop24h 55m

Athens Eleftherios V.

Sun 8/23

7:00 pm-8:25 am

2 stops15h 25m

$445

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Wed 8/19

8:55 am-2:10 am

2 stops15h 15m

Athens Eleftherios V.

Thu 8/20

4:20 pm-3:45 pm

2 stops25h 25m

$741

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Tue 8/18

12:35 pm-7:05 pm

2 stops28h 30m

Athens Eleftherios V.

Thu 8/20

4:20 pm-12:05 pm

2 stops21h 45m

$741

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 8/17

12:35 pm-5:35 pm

2 stops27h 00m

Athens Eleftherios V.

Thu 8/20

3:15 pm-3:45 pm

2 stops26h 30m

$748

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sat 10/10

4:45 pm-12:45 pm

2 stops42h 00m

Athens Eleftherios V.

Wed 10/14

4:15 pm-8:25 am

2 stops18h 10m

$748

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 9/1

9:05 am-9:20 pm

2 stops17h 15m

New York LaGuardia

Tue 9/8

8:59 am-8:45 am

2 stops18h 46m

$822

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 9/1

9:05 am-10:29 pm

2 stops18h 24m

New York John F Kennedy Intl

Tue 9/8

10:15 am-8:45 am

2 stops17h 30m

$823

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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.

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 July 18, 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 Wednesday evenings when fares are usually the most expensive.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 20, 2026.

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

    Valencia airport offers the cheapest routes to Dallas, from $18; whereas Istanbul airport is typically cheaper if you're flying to Atlanta, from $23. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • Where are the cheapest places to fly to from Portsmouth?

    Check out the cheapest flights from Portsmouth to embark to:
    Fly from Valencia to Ibiza from $18 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 $26 round trip
    Fly from Santa Marta to Medellín from $27 round trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights