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Cheap flights from Portsmouth to New York from £324

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — NYC
19 Jun — 26 Jun1
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 20 May 2026.

Mon 1/609:20
SOU
-
JFK
3 stops35h 20m
Multiple Airlines
Sun 7/617:10
JFK
-
SOU
2 stops21h 20m
Multiple Airlines
Deal found 17/5£498
Mon 8/609:20
SOU
-
EWR
3 stops34h 39m
Multiple Airlines
Mon 15/617:45
EWR
-
SOU
2 stops20h 45m
Multiple Airlines
Deal found 17/5£514
Mon 8/620:00
SOU
-
JFK
2 stops21h 40m
Multiple Airlines
Mon 15/621:20
JFK
-
SOU
1 stop14h 30m
Multiple Airlines
Deal found 18/5£519
Tue 16/609:20
SOU
-
JFK
1 stop18h 05m
Aer Lingus
Tue 23/623:55
JFK
-
SOU
1 stop11h 55m
Aer Lingus
Deal found 19/5£544
Mon 8/609:20
SOU
-
EWR
1 stop11h 45m
Aer Lingus
Sun 21/617:35
EWR
-
SOU
1 stop10h 05m
Aer Lingus
Deal found 16/5£554
Mon 8/609:20
SOU
-
JFK
1 stop18h 05m
Aer Lingus
Tue 23/623:55
JFK
-
SOU
1 stop14h 35m
Aer Lingus
Deal found 19/5£572
Mon 8/609:20
SOU
-
JFK
1 stop18h 05m
Aer Lingus
Mon 15/623:55
JFK
-
SOU
1 stop11h 55m
Aer Lingus
Deal found 17/5£576
Mon 1/609:20
SOU
-
EWR
3 stops34h 39m
Multiple Airlines
Sun 7/617:45
EWR
-
SOU
2 stops20h 45m
Multiple Airlines
Deal found 15/5£585
Mon 8/609:20
SOU
-
EWR
3 stops34h 39m
Multiple Airlines
Sun 21/617:15
EWR
-
SOU
2 stops21h 15m
Multiple Airlines
Deal found 16/5£592
Mon 15/617:20
SOU
-
JFK
2 stops24h 20m
Multiple Airlines
Mon 22/616:40
JFK
-
SOU
2 stops19h 10m
Multiple Airlines
Deal found 18/5£594
Mon 15/609:20
SOU
-
JFK
1 stop18h 05m
Aer Lingus
Tue 30/615:55
JFK
-
SOU
2 stops19h 55m
Aer Lingus
Deal found 15/5£595
Tue 30/617:20
SOU
-
LGA
2 stops33h 40m
KLM
Tue 7/714:29
LGA
-
SOU
2 stops22h 06m
KLM
Deal found 15/5£640

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 20 May 2026.

Round-trip from

£498

One-way from

£324

Popular in

December

Cheapest in

September

Average price

£617
1/6-7/6
  • 1/6-7/6
  • 5 total stops
  • 56h 40m total
  • Portsmouth to New York
Search Deals
5/6
  • 5/6
  • 2 total stops
  • 18h 05m total
  • Portsmouth to New York
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 20 May 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

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 30/6

17:20-22:00

2 stops33h 40m

New York LaGuardia

Tue 7/7

14:29-17:35

2 stops22h 06m

£640

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 15/6

09:05-22:22

2 stops18h 17m

New York LaGuardia

Tue 30/6

11:29-08:35

2 stops16h 06m

£652

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Thu 2/7

09:05-21:22

2 stops17h 17m

New York LaGuardia

Thu 9/7

10:59-08:45

2 stops16h 46m

£667

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Tue 7/7

09:15-17:10

1 stop12h 55m

New York John F Kennedy Intl

Mon 13/7

10:14-08:45

2 stops17h 31m

£668

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 8/6

09:20-22:36

2 stops18h 16m

New York LaGuardia

Mon 15/6

08:50-16:50

2 stops27h 00m

£690

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 8/6

09:05-14:35

1 stop10h 30m

New York John F Kennedy Intl

Mon 22/6

19:10-16:50

1 stop16h 40m

£694

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 22/6

17:20-14:35

1 stop26h 15m

New York John F Kennedy Intl

Tue 30/6

21:15-16:50

1 stop14h 35m

£706

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 8/6

09:05-22:22

2 stops18h 17m

New York LaGuardia

Tue 23/6

11:58-08:35

2 stops15h 37m

£709

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 8/6

09:05-21:00

2 stops16h 55m

New York John F Kennedy Intl

Mon 22/6

21:15-16:50

1 stop14h 35m

£713

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Thu 4/6

09:05-21:21

2 stops17h 16m

New York LaGuardia

Wed 17/6

11:58-08:35

2 stops15h 37m

£736

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 58 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 20 May 2026.

It’s typically best to fly out from Portsmouth to New York in the afternoon. 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 20 May 2026.

The most flights from P0R to NYC are scheduled on a Monday (160 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (90 on average).

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

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 May 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.

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 £762, 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 - 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 Scandinavian Airlines (84%), Malaysia Airlines (82%) and JetBlue (80%).

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

    The cheapest flight price from Portsmouth to New York is £344. On average you can expect to pay £1,110. The most popular route, (Southampton Eastleigh - Newark), can usually be booked for £659.

  • 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
Weehawken
Yonkers
Bronx
Mahwah
Secaucus
North Bergen
North Wales
Rutherford
Staten Island
Carlstadt
Fort Lee
Norwalk
Elizabeth
Rahway
Carteret
West New York
Englewood
Edgewater

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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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 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£117Average£534FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£164Average£437FlexibilityNo cancel feeOn-time77%
Search Iberia flights
DeltaCheapest£223Average£475FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SWISSCheapest£246Average£340FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£275Average£457FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
United AirlinesCheapest£275Average£448FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IcelandairCheapest£296Average£413FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
TAP AIR PORTUGALCheapest£301Average£521FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£302Average£540FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
FinnairCheapest£311Average£457FlexibilityNo cancel feeOn-time76%
Search Finnair 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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