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Cheap flights from Portsmouth to New York from £254

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — NYC
7 Mar — 14 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to New York

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to New York
Explore the most affordable flight options available from Portsmouth to New York. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 February 2026.

Sat 7/309:30
SOU
-
JFK
1 stop14h 59m
Aer Lingus
Sat 21/318:00
JFK
-
SOU
1 stop10h 45m
Aer Lingus
Deal found 2/2£405
Sat 7/309:30
SOU
-
EWR
1 stop11h 45m
Aer Lingus
Sat 21/318:45
EWR
-
SOU
1 stop10h 00m
Aer Lingus
Deal found 2/2£405
Thu 8/1009:10
SOU
-
JFK
1 stop15h 10m
Aer Lingus
Mon 12/1016:55
JFK
-
SOU
1 stop10h 45m
Aer Lingus
Deal found 3/2£509
Sat 7/309:30
SOU
-
EWR
1 stop11h 45m
Aer Lingus
Mon 9/318:45
EWR
-
SOU
1 stop13h 10m
Aer Lingus
Deal found 3/2£521
Sat 7/315:25
SOU
-
EWR
2 stops27h 10m
Multiple Airlines
Mon 9/318:40
EWR
-
SOU
3 stops33h 40m
Multiple Airlines
Deal found 3/2£543
Thu 19/309:30
SOU
-
JFK
1 stop14h 55m
Aer Lingus
Thu 26/318:00
JFK
-
SOU
1 stop10h 45m
Aer Lingus
Deal found 2/2£547
Sat 7/309:25
SOU
-
JFK
1 stop11h 20m
KLM
Mon 9/318:45
JFK
-
SOU
1 stop9h 35m
KLM
Deal found 3/2£548
Tue 24/317:35
SOU
-
JFK
1 stop22h 50m
KLM
Tue 31/321:10
JFK
-
SOU
1 stop14h 40m
KLM
Deal found 4/2£549
Sun 15/317:45
SOU
-
JFK
1 stop22h 40m
Delta
Tue 31/311:18
JFK
-
SOU
2 stops16h 17m
Delta
Deal found 4/2£562
Wed 18/308:50
SOU
-
JFK
1 stop11h 55m
Delta
Wed 25/318:45
JFK
-
SOU
1 stop9h 35m
Delta
Deal found 3/2£562
Tue 24/308:50
SOU
-
JFK
2 stops16h 39m
Virgin Atlantic
Tue 31/313:50
JFK
-
SOU
2 stops13h 45m
Virgin Atlantic
Deal found 4/2£563
Thu 12/309:30
SOU
-
JFK
2 stops31h 55m
Multiple Airlines
Thu 26/318:00
JFK
-
SOU
1 stop10h 45m
Multiple Airlines
Deal found 2/2£565

Find flight deals from Portsmouth to New York

Keep the following information in mind while searching for Portsmouth to New York flight deals. Data was last updated 5 February 2026.

Round-trip from

£405

One-way from

£254

Popular in

July

Cheapest in

September

Average price

£427
Aer Lingus
  • Aer Lingus
  • 7/3-21/3
  • 2 total stops
  • 21h 45m total
  • Portsmouth to New York
Search Deals
24/3
  • 24/3
  • 3 total stops
  • 32h 05m total
  • Portsmouth to New York
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£64 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to New York that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 February 2026.
Use the filters below to find and compare flights from Portsmouth to New York that are best for you.

Fly from

Portsmouth

Fly to

New York

Route

Depart

Return

Price

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 24/3

17:35-20:20

1 stop30h 45m

New York John F Kennedy Intl

Tue 31/3

13:50-08:35

2 stops13h 45m

£559

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Wed 18/3

08:50-16:45

1 stop11h 55m

New York John F Kennedy Intl

Tue 31/3

13:50-08:35

2 stops13h 45m

£562

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Sun 15/3

17:45-12:25

1 stop22h 40m

New York John F Kennedy Intl

Tue 31/3

11:18-08:35

2 stops16h 17m

£562

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 17/3

08:50-16:45

1 stop11h 55m

New York John F Kennedy Intl

Tue 31/3

22:30-16:50

1 stop13h 20m

£562

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Wed 18/3

08:50-16:45

1 stop11h 55m

New York John F Kennedy Intl

Mon 30/3

16:40-08:35

1 stop10h 55m

£562

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Sun 15/3

17:45-14:15

1 stop24h 30m

New York John F Kennedy Intl

Mon 30/3

13:50-08:35

2 stops13h 45m

£562

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 17/3

17:35-20:20

1 stop30h 45m

New York John F Kennedy Intl

Mon 30/3

13:50-08:35

2 stops13h 45m

£562

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 16/3

08:50-16:45

1 stop11h 55m

New York John F Kennedy Intl

Mon 30/3

06:00-08:35

2 stops21h 35m

£562

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 24/3

08:50-21:29

2 stops16h 39m

New York John F Kennedy Intl

Tue 31/3

13:50-08:35

2 stops13h 45m

£563

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Thu 12/3

08:50-23:37

2 stops18h 47m

New York LaGuardia

Thu 26/3

14:28-08:20

2 stops13h 52m

£573

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 58 results
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Best time to book a flight from Portsmouth to New York

Have a flexible travel schedule? Discover the best time to fly to New York from Portsmouth with our price prediction graph.
Estimated return 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.

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to New York

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

Currently, March is the cheapest month in which you can book a flight from Portsmouth to New York (average of £225). Flying from Portsmouth to New York in July is currently the most expensive (average of £333). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from P0R to NYC?

Find hourly flight availability from Portsmouth to New York. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 February 2026.

It’s typically best to fly out from Portsmouth to New York in the afternoon. Doing so could potentially save you 16% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Portsmouth to New York?

Use this chart to determine the cheapest time to fly return from Portsmouth to New York. Price data was last updated on 31 January 2026.

Travellers seeking maximum savings on their Portsmouth to New York flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to New York

Explore weekly flight availability from Portsmouth to New York. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 5 February 2026.

The most flights from P0R to NYC are scheduled on a Thursday (143 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (119 on average).

Reviews of airlines servicing New York

Get insights into the airlines that provide service to New York. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New York. Reviews last updated 5 February 2026.
Read reviews from past customers who have flown with KLM and Virgin Atlantic from Portsmouth to New York. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,449 reviews
Check prices

Entertainment

7.1

Overall

7.7

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,449 reviews
KLM
7.7
Good
1,449 reviews
Check prices

Entertainment

7.1

Overall

7.7

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,449 reviews
Check prices

Entertainment

7.1

Overall

7.7

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to New York. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portsmouth to New York?

    For as low as £627, KLM can have you in New York from Portsmouth in 11h 45m. Portsmouth and New York are separated by a distance of 3428 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Portsmouth to New York?

    When deciding which route to take from Portsmouth to New York consider Southampton Eastleigh - New York John F Kennedy Intl, Southampton Eastleigh - Newark or Southampton Eastleigh - New York LaGuardia as they are the most popular.

  • What are the most reliable airlines from Portsmouth to New York?

    The top 3 most reliable airlines when flying from Portsmouth to New York are JetBlue (86%), TAP AIR PORTUGAL (85%) and Scandinavian Airlines (77%).

  • What are the cheapest flights from Portsmouth to New York?

    The cheapest flight price from Portsmouth to New York is £287. On average you can expect to pay £979. The most popular route, (Southampton Eastleigh - New York John F Kennedy Intl), can usually be booked for £549.

  • Can I find deals for flights from Portsmouth to New York that include hotel bookings?

    Yes. In addition to deals on Portsmouth to New York flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to New York?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to New York.

  • Can I find deals for business class flights from Portsmouth to New York?

    Yes. Cheapflights offers flight deals from Portsmouth to New York by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, March is the cheapest month in which you can book a flight from Portsmouth to New York (average of £225). Flying from Portsmouth to New York in July is currently the most expensive (average of £333). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Queens
Weehawken
Secaucus
Yonkers
Bronx
Elizabeth
Mahwah
North Bergen
Staten Island
Carlstadt
North Wales
Rutherford
Fort Lee
Carteret
West New York
Englewood
Edgewater
Mount Laurel
Westbury

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Alternative routes for Portsmouth to New York

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Portsmouth to New York

Discover the top 10 airlines that operate flights from Portsmouth to New York. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£212Average£466FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
PLAYCheapest£218Average£296FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapest£233Average£478FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Norse Atlantic UKCheapest£267Average£428FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
FinnairCheapest£268Average£410FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£278Average£408FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
DeltaCheapest£281Average£485FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest£282Average£405FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest£288Average£482FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£298Average£520FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portsmouth to New York?

When you search for this flight from Portsmouth to New York, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to New York?

Millions of users choose and trust Cheapflights to book the best flight deals from Portsmouth to New York for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Portsmouth to New York with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to New York, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Portsmouth to New York become cheaper?

Of course! You can now track prices for flights from Portsmouth to New York and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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