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Portsmouth

$60+ 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
Jul 15 — Jul 221
Wed 7/15
Wed 7/22
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 June 15, 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 7/13

8:40 pm-9:35 pm

1 stop22h 55m

Athens Eleftherios V.

Thu 7/23

10:50 pm-7:40 pm

1 stop22h 50m

$357

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Sat 6/27

9:15 am-1:15 am

1 stop14h 00m

Athens Eleftherios V.

Sat 7/4

1:35 pm-8:45 am

1 stop21h 10m

$365

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Sat 7/4

9:15 am-11:10 pm

1 stop12h 55m

Split

Wed 7/8

6:30 am-8:45 am

1 stop27h 15m

$438

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Fri 7/24

8:10 pm-11:10 pm

2 stops26h 00m

Split

Tue 7/28

10:35 am-7:30 pm

2 stops9h 55m

$450

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 9/14

9:20 am-6:25 pm

1 stop17h 05m

Los Angeles Los Angeles

Mon 10/5

8:10 pm-7:30 pm

1 stop15h 20m

$648

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Mon 9/21

5:20 pm-2:55 pm

1 stop26h 35m

Boston Logan Intl

Wed 9/30

9:15 pm-4:50 pm

1 stop14h 35m

$686
Quickest round-trip

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Thu 9/10

9:20 am-4:05 pm

1 stop11h 45m

Newark

Thu 10/1

5:35 pm-8:40 am

1 stop10h 05m

$689

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Fri 7/10

6:45 am-12:35 am

2 stops15h 50m

Athens Eleftherios V.

Tue 7/14

6:30 pm-12:55 pm

2 stops20h 25m

$692

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 8/31

9:20 am-6:25 pm

1 stop17h 05m

Los Angeles Los Angeles

Fri 9/11

8:10 pm-8:35 am

1 stop28h 25m

$699

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 8/30

9:20 am-6:25 pm

1 stop17h 05m

Los Angeles Los Angeles

Fri 9/11

8:10 pm-8:35 am

1 stop28h 25m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

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

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 June 15, 2026.

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

    Barranquilla E Cortissoz airport offers the cheapest routes to New York, from $20; 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 Barranquilla to Medellín from $20 round trip
    Fly from Istanbul to Ankara from $23 round trip
    Fly from Medellín to Santa Marta from $24 round trip
    Fly from Cheongju to Jeju City from $24 round trip
    Fly from Bogotá to Cartagena from $27 round trip

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