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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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EWR
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
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 28, 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

Mon 9/7

7:20 pm-10:30 am

1 stop13h 10m

Athens Eleftherios V.

Wed 9/9

9:35 am-8:35 am

2 stops25h 00m

$281

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Fri 8/28

9:15 am-11:10 pm

1 stop12h 55m

Split

Fri 9/4

6:30 am-8:45 am

1 stop27h 15m

$329

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sat 9/12

7:25 pm-2:35 pm

2 stops48h 10m

Miami

Fri 9/25

4:20 pm-6:55 pm

2 stops21h 35m

$639

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 12/3

12:35 pm-1:05 am

2 stops10h 30m

Athens Eleftherios V.

Wed 12/23

3:00 pm-8:25 am

2 stops19h 25m

$645

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Fri 12/4

8:55 am-1:20 pm

2 stops26h 25m

Athens Eleftherios V.

Fri 12/25

7:50 pm-12:05 pm

2 stops18h 15m

$645

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Tue 12/1

8:55 am-1:45 pm

2 stops26h 50m

Athens Eleftherios V.

Tue 12/22

7:35 am-7:00 pm

2 stops13h 25m

$660

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Fri 12/4

8:55 am-1:25 am

2 stops14h 30m

Athens Eleftherios V.

Tue 12/22

7:35 am-7:00 pm

2 stops13h 25m

$660

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Fri 9/11

9:20 am-2:55 pm

1 stop10h 35m

Boston Logan Intl

Tue 9/22

9:15 pm-4:50 pm

1 stop14h 35m

$699

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Mon 9/7

8:00 pm-4:10 pm

2 stops25h 10m

Boston Logan Intl

Mon 9/14

5:40 pm-4:50 pm

2 stops18h 10m

$730

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Mon 9/7

8:00 pm-8:05 pm

2 stops29h 05m

Miami

Mon 9/14

4:55 pm-7:30 pm

2 stops21h 35m

$734

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

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.

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 28, 2026.

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

    Valencia airport offers the cheapest routes to New York, 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 Valencia to Palma de Mallorca from $20 round trip
    Fly from Istanbul to Ankara from $23 round trip
    Fly from Cheongju to Jeju City from $24 round trip
    Fly from Cartagena to Medellín from $29 round trip

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