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Cheap flights from Portsmouth to New York from £265

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — NYC
31 Aug — 7 Sep1
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 1 August 2026.

Mon 14/909:20
SOU
-
JFK
3 stops35h 20m
Multiple Airlines
Mon 21/917:10
JFK
-
SOU
2 stops21h 20m
Multiple Airlines
Deal found 31/7£438
Mon 9/1109:20
SOU
-
EWR
2 stops35h 20m
Multiple Airlines
Sun 15/1118:30
EWR
-
SOU
2 stops20h 00m
Multiple Airlines
Deal found 27/7£476
Fri 11/909:20
SOU
-
JFK
1 stop18h 05m
Aer Lingus
Sat 26/921:05
JFK
-
SOU
1 stop17h 25m
Aer Lingus
Deal found 27/7£482
Sun 27/909:20
SOU
-
EWR
2 stops32h 55m
Multiple Airlines
Thu 1/1017:45
EWR
-
SOU
2 stops20h 45m
Multiple Airlines
Deal found 30/7£496
Fri 11/909:20
SOU
-
JFK
1 stop18h 05m
Aer Lingus
Fri 18/916:55
JFK
-
SOU
1 stop10h 45m
Aer Lingus
Deal found 28/7£499
Thu 10/909:20
SOU
-
EWR
2 stops32h 55m
Multiple Airlines
Thu 17/917:20
EWR
-
SOU
2 stops21h 10m
Multiple Airlines
Deal found 29/7£499
Mon 14/909:20
SOU
-
EWR
3 stops34h 39m
Multiple Airlines
Mon 21/917:45
EWR
-
SOU
2 stops20h 45m
Multiple Airlines
Deal found 31/7£502
Mon 14/909:20
SOU
-
JFK
1 stop18h 05m
Aer Lingus
Mon 21/916:55
JFK
-
SOU
1 stop10h 45m
Aer Lingus
Deal found 31/7£508
Thu 10/909:20
SOU
-
JFK
1 stop18h 05m
Aer Lingus
Fri 25/921:05
JFK
-
SOU
1 stop17h 25m
Aer Lingus
Deal found 31/7£511
Wed 28/1009:20
SOU
-
JFK
1 stop12h 30m
Aer Lingus
Wed 18/1122:00
JFK
-
SOU
1 stop16h 30m
Aer Lingus
Deal found 29/7£519
Thu 10/909:20
SOU
-
JFK
3 stops35h 20m
Multiple Airlines
Thu 17/918:55
JFK
-
SOU
2 stops19h 35m
Multiple Airlines
Deal found 29/7£520
Tue 3/1109:20
SOU
-
EWR
1 stop11h 55m
Aer Lingus
Mon 16/1117:45
EWR
-
SOU
1 stop9h 55m
Aer Lingus
Deal found 27/7£521

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 1 August 2026.

Round-trip from

£438

One-way from

£265

Popular in

December

Cheapest in

February

Average price

£496
14/9-21/9
  • 14/9-21/9
  • 5 total stops
  • 56h 40m total
  • Portsmouth to New York
Search Deals
26/9
  • 26/9
  • 1 total stop
  • 30h 35m total
  • Portsmouth to New York
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 1 August 2026.
Use the filters below to find and compare flights from Portsmouth to New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mon 9/11

09:20-15:40

2 stops35h 20m

Newark

Sun 15/11

18:30-19:30

2 stops20h 00m

£476

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 15/9

09:05-17:07

1 stop13h 02m

New York John F Kennedy Intl

Tue 22/9

10:15-08:45

2 stops17h 30m

£619

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 14/9

09:05-21:17

2 stops17h 12m

New York LaGuardia

Mon 21/9

13:00-08:35

2 stops14h 35m

£620

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 15/9

09:05-21:17

2 stops17h 12m

New York LaGuardia

Tue 22/9

11:20-08:45

2 stops16h 25m

£626

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Tue 15/9

09:05-19:58

2 stops15h 53m

Newark

Tue 22/9

13:26-08:45

2 stops14h 19m

£631

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 2/11

08:40-21:33

2 stops17h 53m

New York LaGuardia

Sun 8/11

18:00-17:00

2 stops18h 00m

£636

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 9/11

08:40-21:25

2 stops17h 45m

New York LaGuardia

Sun 15/11

18:00-17:00

2 stops18h 00m

£636
Fastest return journey

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Wed 18/11

08:40-15:00

1 stop11h 20m

New York John F Kennedy Intl

Mon 23/11

17:00-08:10

1 stop10h 10m

£647

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Wed 18/11

08:40-21:25

2 stops17h 45m

New York LaGuardia

Mon 23/11

18:00-17:00

2 stops18h 00m

£649

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Wed 18/11

08:40-21:25

2 stops17h 45m

New York LaGuardia

Wed 25/11

18:00-17:00

2 stops18h 00m

£649

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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 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 1 August 2026.

It’s typically best to fly out from Portsmouth to New York in the morning. Doing so could potentially save you 20% on the flight price compared to flying in the evening, which is usually more expensive.

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 1 August 2026.

The most flights from P0R to NYC are scheduled on a Thursday (157 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (117 on average).

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 1 August 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. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 £519, Aer Lingus can have you in New York from Portsmouth in 12h 30m. Portsmouth and New York are separated by a distance of 3414 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 - Newark, Southampton Eastleigh - New York John F Kennedy Intl 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 SAUDIA (100%), TAP AIR PORTUGAL (93%) and SriLankan Airlines (93%).

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

    The cheapest flight price from Portsmouth to New York is £336. On average you can expect to pay £1,721. The most popular route, (Southampton Eastleigh - Newark), can usually be booked for £496.

  • 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.

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
Ronkonkoma
Yonkers
Elizabeth
Mahwah
North Bergen
Bronx
Rutherford
North Wales
Garden City
Staten Island
Norwalk
Carlstadt
Fort Lee
Rahway
Secaucus
Carteret
West New York
Edgewater
Mount Laurel

Browse thousands of different options on Cheapflights for your next trip

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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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London City to Buffalo flights

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 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£117Average£539FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£200Average£477FlexibilityNo cancel feeOn-time77%
Search Iberia flights
DeltaCheapest£222Average£493FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SWISSCheapest£265Average£401FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£283Average£466FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
IcelandairCheapest£286Average£418FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£316Average£563FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Hahn AirCheapest£317Average£523FlexibilityNo cancel feeOn-timeN/A
Search Hahn Air flights
United AirlinesCheapest£320Average£532FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
TAP AIR PORTUGALCheapest£325Average£532FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL 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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