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Portsmouth

$55+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MIA
Aug 8 — Aug 151
Sat 8/8
Sat 8/15
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 July 9, 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 10/3

7:25 pm-10:50 am

1 stop13h 25m

Athens Eleftherios V.

Mon 10/12

6:35 pm-12:50 pm

2 stops20h 15m

$299
Quickest round-trip

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Sat 7/25

5:30 pm-11:10 pm

1 stop4h 40m

Split

Wed 7/29

5:35 pm-8:45 am

1 stop16h 10m

$417

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Tue 9/15

12:35 pm-5:20 pm

2 stops27h 45m

Split

Tue 9/22

7:35 pm-12:05 pm

2 stops17h 30m

$823

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 11/2

8:40 am-7:20 pm

1 stop15h 40m

New York John F Kennedy Intl

Sun 11/8

10:30 am-8:10 am

2 stops16h 40m

$837

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 11/2

8:40 am-9:29 pm

2 stops17h 49m

New York LaGuardia

Sun 11/8

11:50 am-8:10 am

2 stops15h 20m

$849

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Fri 8/21

9:20 am-2:55 pm

1 stop10h 35m

Boston Logan Intl

Fri 8/28

5:25 pm-8:40 am

1 stop10h 15m

$850

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Sat 11/21

9:25 am-7:20 pm

1 stop14h 55m

New York John F Kennedy Intl

Fri 11/27

10:45 pm-5:00 pm

1 stop13h 15m

$877

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 8/18

9:15 am-10:35 pm

2 stops18h 20m

New York LaGuardia

Tue 8/25

11:35 am-10:15 am

2 stops17h 40m

$898

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Mon 7/27

8:55 am-1:00 pm

2 stops27h 05m

Split

Tue 8/4

7:35 pm-12:05 pm

2 stops17h 30m

$906

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Tue 7/28

7:30 pm-4:05 pm

2 stops43h 35m

Split

Tue 8/4

7:35 pm-12:05 pm

2 stops17h 30m

$906

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Portsmouth

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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 July 9, 2026.

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

    Istanbul airport offers the cheapest routes to Atlanta, 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.

  • 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 Medellín to Santa Marta from $26 round trip
    Fly from Santa Marta to Medellín from $26 round trip
    Fly from Medellín to Cartagena from $28 round trip

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