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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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EWR
Sep 2 — Sep 91
Wed 9/2
Wed 9/9
1 adult, Economy
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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 August 3, 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

Wed 9/23

3:35 pm-7:20 pm

1 stop25h 45m

Athens Eleftherios V.

Mon 9/28

8:00 am-8:05 pm

1 stop14h 05m

$357

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sun 9/13

9:15 am-1:15 am

1 stop14h 00m

Athens Eleftherios V.

Sun 9/20

5:45 pm-8:35 am

1 stop16h 50m

$537

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Wed 10/28

9:20 am-5:50 pm

1 stop12h 30m

New York John F Kennedy Intl

Wed 11/18

10:00 pm-7:30 pm

1 stop16h 30m

$699

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 10/12

7:30 pm-7:05 pm

2 stops21h 35m

Athens Eleftherios V.

Wed 10/14

7:00 pm-12:05 pm

2 stops19h 05m

$742

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sun 10/11

8:55 am-2:10 am

2 stops15h 15m

Athens Eleftherios V.

Wed 10/14

7:00 pm-12:05 pm

2 stops19h 05m

$759

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 9/2

8:00 pm-4:20 pm

2 stops28h 20m

San Francisco

Tue 9/8

5:40 pm-4:50 pm

1 stop15h 10m

$759

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 9/9

8:00 pm-4:20 pm

2 stops28h 20m

San Francisco

Wed 9/16

11:50 am-7:30 pm

2 stops23h 40m

$774

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Tue 8/25

8:55 am-2:10 am

2 stops15h 15m

Athens Eleftherios V.

Wed 8/26

7:30 am-8:25 am

2 stops26h 55m

$809

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 9/15

9:05 am-5:07 pm

1 stop13h 02m

New York John F Kennedy Intl

Tue 9/22

10:35 pm-4:50 pm

1 stop13h 15m

$830

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 9/15

9:05 am-5:07 pm

1 stop13h 02m

New York John F Kennedy Intl

Tue 9/22

10:15 am-8:45 am

2 stops17h 30m

$833

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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

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No data available for this route at this time. Please check back soon.

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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 August 3, 2026.

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

    Valencia airport offers the cheapest routes to New York, from $23; 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 Istanbul to Ankara from $23 round trip
    Fly from Valencia to Ibiza from $23 round trip
    Fly from Cheongju to Jeju City from $24 round trip
    Fly from Medellín to Santa Marta from $28 round trip
    Fly from Cartagena to Medellín from $29 round trip

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