HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portsmouth

$93+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — JFK
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

What to know about flights from Portsmouth

Discover essential information about flights departing from Portsmouth, including flight schedules, destinations, airlines operating at the Portsmouth airport, and any specific guidelines or requirements for travelers. Please note that the information is based on the most recent updates available. Data last updated August 16, 2025.

Cheapest airline

British Airways
On average, British Airways currently has the cheapest one-way flight from Portsmouth (avg. price of $164).
Search Deals

Find flights from Portsmouth

Cheapest flights from Portsmouth
Explore the most affordable flight options available from Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on August 16, 2025.

Sun 9/289:10 amSOU - SPU
1 stop11h 25mMultiple Airlines
Sun 10/59:25 pmSPU - SOU
2 stops18h 50mMultiple Airlines
Deal found 8/14$371
Mon 9/229:20 amSOU - JFK
1 stop11h 05mKLM
Tue 10/79:10 pmJFK - SOU
1 stop30h 35mKLM
Deal found 8/14$620
Fri 9/127:25 pmSOU - JFK
1 stop31h 50mMultiple Airlines
Thu 9/1812:15 amJFK - SOU
1 stop13h 40mMultiple Airlines
Deal found 8/15$627
Mon 9/299:20 amSOU - LGA
2 stops17h 09mDelta
Mon 10/69:35 amLGA - SOU
2 stops18h 10mDelta
Deal found 8/15$629
Mon 9/229:20 amSOU - JFK
2 stops17h 25mDelta
Tue 10/72:40 pmJFK - SOU
2 stops13h 05mDelta
Deal found 8/14$630
Mon 9/295:35 pmSOU - JFK
1 stop26h 50mVirgin Atlantic
Mon 10/69:10 pmJFK - SOU
1 stop30h 35mVirgin Atlantic
Deal found 8/15$645
Mon 9/229:20 amSOU - EWR
2 stops20h 36mDelta
Tue 10/73:40 pmEWR - SOU
2 stops12h 05mDelta
Deal found 8/14$645
Thu 10/239:20 amSOU - EWR
3 stops34h 35mMultiple Airlines
Sun 11/26:30 pmEWR - SOU
2 stops16h 05mMultiple Airlines
Deal found 8/14$652
Sat 9/279:40 amSOU - JFK
1 stop14h 40mAer Lingus
Sat 10/44:55 pmJFK - SOU
1 stop10h 40mAer Lingus
Deal found 8/13$655
Wed 9/249:20 amSOU - JFK
1 stop18h 30mKLM
Sun 9/285:30 pmJFK - SOU
1 stop10h 15mKLM
Deal found 8/13$659
Tue 11/185:30 pmSOU - LGA
2 stops32h 57mDelta
Tue 11/256:00 amLGA - SOU
2 stops30h 00mDelta
Deal found 8/15$665
Sun 9/286:25 pmSOU - JFK
1 stop22h 55mKLM
Sun 10/57:25 pmJFK - SOU
1 stop16h 35mKLM
Deal found 8/14$665

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 16, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

John F Kennedy Intl

Route

Depart

Return

Price

SouthamptonSplit

SOU - SPU

SOUSPU

Southampton Eastleigh

Sun 9/28

9:10 am-9:35 pm

1 stop11h 25m

Split

Sun 10/5

9:25 pm-3:15 pm

2 stops18h 50m

$371

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 9/22

9:20 am-3:25 pm

1 stop11h 05m

New York John F Kennedy Intl

Tue 10/7

9:10 pm-8:45 am

1 stop30h 35m

$620

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Fri 9/12

7:25 pm-10:15 pm

1 stop31h 50m

New York John F Kennedy Intl

Thu 9/18

12:15 am-6:55 pm

1 stop13h 40m

$627

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 9/29

9:20 am-9:29 pm

2 stops17h 09m

New York LaGuardia

Mon 10/6

9:35 am-8:45 am

2 stops18h 10m

$629

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 9/22

9:20 am-9:45 pm

2 stops17h 25m

New York John F Kennedy Intl

Tue 10/7

2:40 pm-8:45 am

2 stops13h 05m

$630

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 9/29

5:35 pm-7:05 pm

1 stop30h 30m

New York John F Kennedy Intl

Mon 10/6

12:59 pm-8:45 am

2 stops14h 46m

$645

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mon 9/22

9:20 am-12:56 am

2 stops20h 36m

Newark

Tue 10/7

3:40 pm-8:45 am

2 stops12h 05m

$645

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Thu 10/23

9:20 am-2:55 pm

3 stops34h 35m

Newark

Sun 11/2

6:30 pm-3:35 pm

2 stops16h 05m

$652

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Sat 9/27

9:40 am-7:20 pm

1 stop14h 40m

New York John F Kennedy Intl

Sat 10/4

4:55 pm-8:35 am

1 stop10h 40m

$655

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Wed 9/24

9:20 am-10:50 pm

1 stop18h 30m

New York John F Kennedy Intl

Sun 9/28

5:30 pm-8:45 am

1 stop10h 15m

$659

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Showing 1-10 of 60 results
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.

What is the cheapest month to book a flight from Portsmouth?

Currently, January is the cheapest month in which you can book a flight from Portsmouth (average of $281). Flying from Portsmouth in July will prove the most costly (average of $454). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 October 27, 2024.

Those who are seeking the cheapest fare on flights departing from Portsmouth would be wise to consider leaving during Saturday evenings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Friday mornings 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 August 16, 2025.

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

    Istanbul airport offers the cheapest routes to Toronto, 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.

  • What is the cheapest month to fly from Portsmouth?

    January is currently the cheapest month to fly from Portsmouth. At this moment in time July is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • 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 Barranquilla to Medellín from $24 round trip
    Fly from Los Angeles to Las Vegas from $25 round trip
    Fly from Medellín to Santa Marta 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.