HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portsmouth

$285+ Cheap flights from New York, NY (NYC) to Portsmouth, England

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
NYC — LHR
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from New York to Portsmouth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from New York to Portsmouth

Keep the following information in mind while searching for New York to Portsmouth flight deals. Data was last updated November 6, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$574
(Mytrip)

One-way from

$285
(Connections by easyJet)

Popular in

October

Cheapest in

March

Average price

$517
Provider with most accurate pricing for New York (NYC)-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-London (LON) flights.
Search Deals
From New York (NYC) to Portsmouth
Search Deals
One-way flight from New York (NYC) to Portsmouth
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($233 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from New York to Portsmouth

Cheapest flights from New York to Portsmouth
Explore the most affordable flight options available from New York to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Mytrip deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:05 amJFK - SOU
3 stops20h 50mMultiple Airlines
Thu 11/208:10 pmSOU - JFK
3 stops29h 48mMultiple Airlines
Deal found 11/4$574
This Mytrip deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:30 amEWR - SOU
3 stops24h 05mMultiple Airlines
Mon 11/248:10 pmSOU - EWR
2 stops24h 50mMultiple Airlines
Deal found 11/4$643
This Mytrip deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/234:50 pmJFK - SOU
2 stops17h 45mMultiple Airlines
Mon 11/248:10 pmSOU - JFK
2 stops29h 00mMultiple Airlines
Deal found 11/4$644
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:20 pmJFK - SOU
1 stop29h 45mDelta
Sun 12/76:05 pmSOU - JFK
1 stop24h 10mDelta
Deal found 11/4$713
This KLM deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:45 pmJFK - SOU
1 stop9h 25mKLM
Tue 11/255:30 pmSOU - JFK
1 stop22h 55mKLM
Deal found 11/4$732
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:28 pmJFK - SOU
2 stops14h 42mDelta
Tue 11/258:40 amSOU - JFK
1 stop12h 05mDelta
Deal found 11/4$736
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:15 pmLGA - SOU
2 stops14h 55mDelta
Tue 11/258:40 amSOU - LGA
2 stops17h 02mDelta
Deal found 11/4$747
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:50 pmJFK - SOU
1 stop32h 15mDelta
Mon 11/246:05 pmSOU - JFK
1 stop26h 40mDelta
Deal found 11/5$752
This KLM deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:45 pmJFK - SOU
1 stop18h 15mKLM
Thu 11/138:50 amSOU - JFK
1 stop15h 30mKLM
Deal found 11/5$781
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:25 pmJFK - SOU
2 stops14h 40mDelta
Thu 11/138:50 amSOU - JFK
1 stop11h 55mDelta
Deal found 11/5$786
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:55 pmLGA - SOU
2 stops14h 10mDelta
Thu 11/138:50 amSOU - LGA
2 stops15h 35mDelta
Deal found 11/5$797
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:59 amEWR - SOU
2 stops15h 06mDelta
Thu 11/138:50 amSOU - EWR
2 stops15h 34mDelta
Deal found 11/5$797

Cheapflights Fare Finder

 
Customize your flight search to find flights from New York to Portsmouth 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 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from New York to Portsmouth that are best for you.

Fly from

New York

Fly to

Portsmouth

Route

Depart

Return

Price

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Sun 11/23

10:30 am-3:35 pm

3 stops24h 05m

Southampton Eastleigh

Mon 11/24

8:10 pm-4:00 pm

2 stops24h 50m

$643

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 1/12

5:45 pm-8:50 am

1 stop10h 05m

Southampton Eastleigh

Wed 1/21

9:25 am-3:45 pm

1 stop11h 20m

$671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Tue 3/3

9:20 pm-8:20 am

1 stop30h 00m

Southampton Eastleigh

Tue 3/10

8:40 am-12:25 pm

1 stop31h 45m

$671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 1/12

5:45 pm-8:50 am

1 stop10h 05m

Southampton Eastleigh

Thu 1/22

9:00 am-3:45 pm

1 stop11h 45m

$671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 1/14

5:45 pm-8:25 am

1 stop9h 40m

Southampton Eastleigh

Fri 1/23

9:00 am-3:45 pm

1 stop11h 45m

$671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 1/14

5:45 pm-8:25 am

1 stop9h 40m

Southampton Eastleigh

Mon 1/19

5:35 pm-11:40 am

1 stop23h 05m

$671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Tue 1/13

5:45 pm-8:50 am

1 stop10h 05m

Southampton Eastleigh

Fri 1/23

9:00 am-3:45 pm

1 stop11h 45m

$671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 1/12

5:45 pm-8:50 am

1 stop10h 05m

Southampton Eastleigh

Fri 1/23

9:00 am-3:45 pm

1 stop11h 45m

$671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 1/12

5:45 pm-8:50 am

1 stop10h 05m

Southampton Eastleigh

Tue 1/20

9:25 am-3:45 pm

1 stop11h 20m

$671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 1/14

9:20 pm-5:05 pm

1 stop14h 45m

Southampton Eastleigh

Wed 1/21

5:35 pm-11:40 am

1 stop23h 05m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 51 results
1
2
3
...
6

Best time to book a flight from New York to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from New York 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.

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from New York to Portsmouth (average of $241). Flying from New York to Portsmouth in June is currently the most expensive (average of $534). 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 NYC to P0R?

Find hourly flight availability from New York to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

It’s optimal to fly from New York to Portsmouth in the afternoon. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from New York to Portsmouth. Price data was last updated on December 16, 2024.

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

Weekly flight availability from New York to Portsmouth

Explore weekly flight availability from New York to Portsmouth. 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 November 6, 2025.

The most flights from NYC to P0R are scheduled on a Thursday (150 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (119 on average).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. 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 Portsmouth. Reviews last updated November 6, 2025.
Get a feel of what it's like to fly with KLM and Aer Lingus from New York to Portsmouth by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,405 reviews

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Boarding

7.8

Entertainment

7.1

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
1,405 reviews
KLM
7.7
Good
1,405 reviews

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Boarding

7.8

Entertainment

7.1

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.
Aer Lingus
7.2
Good
1,365 reviews
KLM
7.7
Good
1,405 reviews

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.7

Boarding

7.8

Entertainment

7.1

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 New York to Portsmouth. 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 New York to Portsmouth?

    Delta, KLM, and Aer Lingus can get you from New York to Portsmouth in just under 10h. Your travel time can differ by up to 20h. The distance from New York to Portsmouth is about 3428 mi. This flight may include one or multiple stops.

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

    The most popular flight routes from New York to Portsmouth are New York John F Kennedy Intl - Southampton Eastleigh, Newark - Southampton Eastleigh and New York LaGuardia - Southampton Eastleigh.

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

    Consider KLM (84%), Air France (84%) or Delta (84%) when booking your flight. These represent the most reliable airlines when flying from New York to Portsmouth.

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

    While on average a flight from New York to Portsmouth is generally $1,855, our data shows the cheapest flight currently is $174. When looking at the most popular route, (New York John F Kennedy Intl - Southampton Eastleigh), you can expect to pay $636 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from New York to Portsmouth 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 New York to Portsmouth?

    Currently, February is the cheapest month in which you can book a flight from New York to Portsmouth (average of $241). Flying from New York to Portsmouth in June is currently the most expensive (average of $534). 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

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.

Alternative routes for New York to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Stansted flights
Newark to London City flights
John F Kennedy Intl to Luton flights
Newark to Stansted flights
Newark to Luton flights
Newark to Edinburgh flights
LaGuardia to London City flights
John F Kennedy Intl to Edinburgh flights
John F Kennedy Intl to Manchester flights
LaGuardia to Stansted flights
LaGuardia to Edinburgh flights
LaGuardia to Luton flights
Newark to Manchester flights
LaGuardia to Manchester flights
John F Kennedy Intl to Southend flights
John F Kennedy Intl to Southampton flights
White Plains to Heathrow flights
Syracuse to Heathrow flights
John F Kennedy Intl to Birmingham flights
Syracuse to London City flights
Newark to Southampton flights
Albany to Heathrow flights
Rochester to Heathrow flights
Buffalo to Heathrow flights
Newark to Birmingham flights
Syracuse to Gatwick flights
John F Kennedy Intl to Leeds flights
Albany to London City flights
Rochester to Gatwick flights
John F Kennedy Intl to Liverpool flights
LaGuardia to Birmingham flights
Albany to Gatwick flights
Newark to Liverpool flights
Buffalo to Gatwick flights
Newark to Leeds flights
Rochester to London City flights
John F Kennedy Intl to Newcastle upon Tyne flights
Ithaca to Heathrow flights
LaGuardia to Leeds flights
Syracuse to Edinburgh flights
Rochester to Edinburgh flights
Buffalo to Edinburgh flights
Newark to Newcastle upon Tyne flights

Top 10 airlines flying from New York to Portsmouth

Discover the top 10 airlines that operate flights from New York to Portsmouth. 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 2,558,603 searches. Data last updated November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$45Average$533FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$293Average$539FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$323Average$490FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$324Average$577FlexibilityNo cancel feeOn-time72%
SWISSCheapest$330Average$605FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$357Average$623FlexibilityNo cancel feeOn-time77%
Norse Atlantic UKCheapest$363Average$542FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$387Average$794FlexibilityNo cancel feeOn-time75%
DeltaCheapest$393Average$614FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$400Average$615FlexibilityNo cancel feeOn-time77%

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.
Site
Cookie settings©2025 Cheapflights