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Cheap flights from Portsmouth to New York from £278

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — NYC
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find 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 17 October 2025.

Mon 24/1116:05SOU - EWR
2 stops26h 30mMultiple Airlines
Thu 27/1117:30EWR - SOU
2 stops17h 05mMultiple Airlines
Deal found 15/10£457
Mon 24/1109:30SOU - JFK
2 stops35h 15mMultiple Airlines
Thu 27/1117:35JFK - SOU
2 stops17h 00mMultiple Airlines
Deal found 15/10£493
Mon 24/1120:10SOU - JFK
2 stops29h 00mMultiple Airlines
Tue 9/1216:50JFK - SOU
2 stops14h 05mMultiple Airlines
Deal found 16/10£495
Mon 24/1119:55SOU - EWR
2 stops31h 15mMultiple Airlines
Wed 10/1217:45EWR - SOU
1 stop10h 00mMultiple Airlines
Deal found 16/10£497
Mon 24/1119:55SOU - JFK
2 stops29h 10mMultiple Airlines
Wed 10/1217:00JFK - SOU
1 stop10h 45mMultiple Airlines
Deal found 16/10£499
Mon 17/1119:55SOU - EWR
2 stops31h 15mMultiple Airlines
Wed 3/1217:40EWR - SOU
3 stops21h 00mMultiple Airlines
Deal found 15/10£500
Mon 24/1108:40SOU - LGA
2 stops17h 36mDelta
Tue 9/1212:10LGA - SOU
2 stops15h 00mDelta
Deal found 16/10£524
Mon 24/1108:40SOU - JFK
1 stop15h 40mDelta
Wed 10/1217:45JFK - SOU
1 stop9h 35mDelta
Deal found 16/10£524
Mon 24/1108:40SOU - LGA
2 stops17h 36mDelta
Wed 10/1211:33LGA - SOU
2 stops15h 47mDelta
Deal found 16/10£528
Mon 24/1108:40SOU - JFK
2 stops18h 52mDelta
Tue 9/1212:59JFK - SOU
2 stops14h 11mDelta
Deal found 16/10£529
Mon 24/1108:40SOU - EWR
2 stops20h 01mDelta
Wed 10/1211:57EWR - SOU
2 stops15h 23mDelta
Deal found 16/10£542
Mon 17/1118:05SOU - JFK
1 stop22h 20mDelta
Wed 3/1218:50JFK - SOU
1 stop17h 35mDelta
Deal found 15/10£552

Cheap 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 17 October 2025.

Round-trip from

£457

One-way from

£278

Popular in

July

Cheapest in

September

Average price

£536
24/11-27/11
  • 24/11-27/11
  • 4 total stops
  • 43h 35m total
  • Portsmouth to New York
Search Deals
23/3
  • 23/3
  • 3 total stops
  • 28h 10m total
  • Portsmouth to New York
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 17 October 2025.
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

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mon 24/11

16:05-13:35

2 stops26h 30m

Newark

Thu 27/11

17:30-15:35

2 stops17h 05m

£457

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mon 17/11

19:55-22:10

2 stops31h 15m

Newark

Wed 3/12

17:40-19:40

3 stops21h 00m

£500

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 24/11

08:40-19:20

1 stop15h 40m

New York John F Kennedy Intl

Wed 10/12

17:45-08:20

1 stop9h 35m

£524

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 24/11

08:40-21:16

2 stops17h 36m

New York LaGuardia

Wed 10/12

11:33-08:20

2 stops15h 47m

£528

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mon 24/11

08:40-23:41

2 stops20h 01m

Newark

Tue 9/12

12:50-08:10

2 stops14h 20m

£535

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 17/11

18:05-13:10

1 stop24h 05m

New York John F Kennedy Intl

Wed 3/12

17:32-17:25

2 stops18h 53m

£552

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Thu 30/10

09:30-14:35

3 stops33h 05m

Newark

Thu 6/11

17:30-15:35

2 stops17h 05m

£560

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mon 24/11

19:55-15:30

2 stops24h 35m

Newark

Mon 8/12

00:15-18:30

3 stops37h 15m

£561

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 17/11

08:40-22:27

2 stops18h 47m

New York LaGuardia

Wed 3/12

11:33-08:20

2 stops15h 47m

£564

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mon 24/11

19:55-22:05

3 stops31h 10m

Newark

Wed 10/12

10:30-19:40

3 stops28h 10m

£568

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 55 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 £233). Flying from Portsmouth to New York in July is currently the most expensive (average of £338). 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 17 October 2025.

It’s typically best to fly out from Portsmouth to New York at midday. Doing so could potentially save you 15% on the flight price compared to flying in the morning, 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 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to New York flight should consider departing on Thursday afternoons 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 17 October 2025.

The most flights from P0R to NYC are scheduled on a Wednesday (163 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (129 on average).

How much does it cost for a return flight from Portsmouth to New York?

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 17 October 2025.
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
1,404 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,404 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
670 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 £524, Delta can have you in New York from Portsmouth in 15h 40m. 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 - 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 Malaysia Airlines (89%), JetBlue (89%) and TAP AIR PORTUGAL (87%).

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

    The cheapest flight price from Portsmouth to New York is £253. On average you can expect to pay £1,356. The most popular route, (Southampton Eastleigh - New York John F Kennedy Intl), can usually be booked for £493.

  • 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 £233). Flying from Portsmouth to New York in July is currently the most expensive (average of £338). 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
Yonkers
Elizabeth
Bronx
Secaucus
Weehawken
North Bergen
Carlstadt
Staten Island
North Wales
Fort Lee
Rutherford
Carteret
Englewood
West New York
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 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£212Average£420FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
PLAYCheapest£254Average£287FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapest£283Average£402FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air CanadaCheapest£285Average£460FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapest£294Average£497FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest£295Average£407FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IcelandairCheapest£298Average£436FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£301Average£502FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£310Average£409FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£311Average£419FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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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.

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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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