HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portsmouth

$611+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
NYC — LHR
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$675
(Mytrip)

One-way from

$611
(Ovago)

Popular in

July

Cheapest in

December

Average price

$1,284
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. 19% potential increase in price ($243 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 24, 2025.

This Connections by easyJet deal was found by Cheapflights users on 4/23. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2711:00 pmEWR - SOU
1 stop14h 55mMultiple Airlines
Mon 5/128:05 amSOU - EWR
1 stop17h 55mMultiple Airlines
Deal found 4/23$648
This Mytrip deal was found by Cheapflights users on 4/22. 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.
Thu 6/510:45 amJFK - SOU
2 stops27h 45mMultiple Airlines
Thu 6/128:50 pmSOU - JFK
2 stops30h 10mMultiple Airlines
Deal found 4/22$675
This Mytrip deal was found by Cheapflights users on 4/22. 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.
Fri 6/65:45 pmLGA - SOU
2 stops17h 00mMultiple Airlines
Fri 6/138:00 pmSOU - LGA
2 stops23h 45mMultiple Airlines
Deal found 4/22$723
This Orbitz deal was found by Cheapflights users on 4/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:30 pmEWR - SOU
1 stop10h 15mAer Lingus
Sun 11/29:30 amSOU - EWR
1 stop11h 35mAer Lingus
Deal found 4/23$765
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/69:05 pmJFK - SOU
1 stop13h 40mAer Lingus
Fri 6/139:40 amSOU - JFK
1 stop14h 40mAer Lingus
Deal found 4/23$793
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Sat 6/77:15 pmSWF - SOU
3 stops32h 55mMultiple Airlines
Sat 6/146:05 pmSOU - SWF
2 stops29h 00mMultiple Airlines
Deal found 4/23$892
This Delta deal was found by Cheapflights users on 4/23. 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.
Sun 8/105:30 pmJFK - SOU
1 stop19h 20mDelta
Wed 8/206:25 pmSOU - JFK
1 stop29h 40mDelta
Deal found 4/23$902
This Virgin Atlantic deal was found by Cheapflights users on 4/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/139:59 amJFK - SOU
2 stops17h 46mVirgin Atlantic
Wed 8/209:20 amSOU - JFK
2 stops18h 06mVirgin Atlantic
Deal found 4/23$916
This Delta deal was found by Cheapflights users on 4/23. 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 10/811:50 amEWR - SOU
2 stops15h 55mDelta
Thu 10/169:20 amSOU - EWR
2 stops15h 08mDelta
Deal found 4/23$921
This KLM deal was found by Cheapflights users on 4/23. 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 8/145:30 pmJFK - SOU
1 stop10h 15mKLM
Thu 8/216:25 pmSOU - JFK
1 stop26h 00mKLM
Deal found 4/23$952
This Delta deal was found by Cheapflights users on 4/23. 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.
Fri 8/152:00 pmLGA - SOU
2 stops13h 45mDelta
Sun 8/319:20 amSOU - LGA
2 stops17h 07mDelta
Deal found 4/23$1,021
This KLM deal was found by Cheapflights users on 4/22. 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.
Sun 5/1812:59 pmLGA - SOU
2 stops14h 46mKLM
Mon 6/25:35 pmSOU - LGA
2 stops27h 14mKLM
Deal found 4/22$1,085

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 April 24, 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

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Thu 6/5

10:45 am-7:30 pm

2 stops27h 45m

Southampton Eastleigh

Thu 6/12

8:50 pm-10:00 pm

2 stops30h 10m

$675

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Fri 6/6

5:45 pm-3:45 pm

2 stops17h 00m

Southampton Eastleigh

Fri 6/13

8:00 pm-2:45 pm

2 stops23h 45m

$723

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Tue 5/6

11:00 pm-4:35 pm

2 stops36h 35m

Southampton Eastleigh

Fri 5/9

7:25 pm-9:00 pm

1 stop30h 35m

$738

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fri 6/6

9:05 pm-3:45 pm

1 stop13h 40m

Southampton Eastleigh

Fri 6/13

9:40 am-7:20 pm

1 stop14h 40m

$767

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Wed 10/8

5:30 pm-8:40 am

1 stop10h 10m

Southampton Eastleigh

Thu 10/16

9:40 am-4:00 pm

1 stop11h 20m

$775

New WindsorSouthampton

SWF - SOU

SWFSOU

New Windsor Stewart

Sat 6/7

7:15 pm-9:10 am

3 stops32h 55m

Southampton Eastleigh

Sat 6/14

6:05 pm-6:05 pm

2 stops29h 00m

$892

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 8/6

5:30 pm-8:45 am

1 stop10h 15m

Southampton Eastleigh

Wed 8/20

9:20 am-3:25 pm

1 stop11h 05m

$899

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Wed 10/8

11:50 am-8:45 am

2 stops15h 55m

Southampton Eastleigh

Thu 10/16

9:20 am-7:28 pm

2 stops15h 08m

$921

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fri 8/15

5:30 pm-8:45 am

1 stop10h 15m

Southampton Eastleigh

Sun 8/31

6:25 pm-3:25 pm

1 stop26h 00m

$1,000

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Fri 8/15

2:00 pm-8:45 am

2 stops13h 45m

Southampton Eastleigh

Sun 8/31

9:20 am-9:27 pm

2 stops17h 07m

$1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 19 results
1
2

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, November is the cheapest month in which you can book a flight from New York to Portsmouth (average of $661). Flying from New York to Portsmouth in June is currently the most expensive (average of $1,110). 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 April 24, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New York to Portsmouth as you normally would.

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 September 8, 2024.

Travelers seeking maximum savings on their New York to Portsmouth flight should consider departing on Monday evenings when fares are most often at their lowest. Friday afternoons 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 April 24, 2025.

The most flights from NYC to P0R are scheduled on a Monday (166 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (146 on average).

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portsmouth ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Portsmouth when rainfall is around 1.0 in.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

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 April 24, 2025.
Read reviews from past customers who have flown Delta, KLM and Virgin Atlantic from New York to Portsmouth. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Aer Lingus
7.0
Good
1,068 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
British Airways
6.6
Okay
6,799 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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.

  • What are the cheapest airlines to fly from New York to Portsmouth one-way?

    One-way options have recently been found by users for as low as $611 on Aer Lingus. Other airlines that offer cheap prices include Delta from $659 and KLM from $751 one-way.

  • 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 Scandinavian Airlines (95%), American Airlines (84%) or British Airways (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 $1,963, our data shows the cheapest flight currently is $292. When looking at the most popular route, (New York John F Kennedy Intl - Southampton Eastleigh), you can expect to pay $675 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, November is the cheapest month in which you can book a flight from New York to Portsmouth (average of $661). Flying from New York to Portsmouth in June is currently the most expensive (average of $1,110). 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
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
LaGuardia to Gatwick flights
Newark to London City flights
John F Kennedy Intl to Stansted flights
Stewart to Stansted flights
John F Kennedy Intl to Luton flights
John F Kennedy Intl to Edinburgh flights
Newark to Edinburgh flights
Newark to Stansted flights
John F Kennedy Intl to Manchester flights
Newark to Luton flights
Stewart to Luton flights
LaGuardia to Edinburgh flights
LaGuardia to London City flights
Stewart to Gatwick flights
Newark to Manchester flights
LaGuardia to Manchester flights
LaGuardia to Stansted flights
Stewart to Heathrow flights
Syracuse to Heathrow flights
Stewart to Edinburgh flights
Syracuse to Gatwick flights
John F Kennedy Intl to Southampton flights
Rochester to Heathrow flights
Newark to Birmingham flights
John F Kennedy Intl to Birmingham flights
Stewart to Manchester flights
Ithaca to Heathrow flights
LaGuardia to Luton flights
Buffalo to Heathrow flights
John F Kennedy Intl to Leeds flights
Newark to Southampton flights
Syracuse to London City flights
Newark to Leeds flights
Albany to Heathrow flights
John F Kennedy Intl to Liverpool flights
John F Kennedy Intl to Newcastle upon Tyne flights
Buffalo to Gatwick flights
LaGuardia to Birmingham flights
Stewart to London City flights
Buffalo to London City flights
Rochester to Gatwick flights
Newark to Liverpool flights
Newark to Newcastle upon Tyne flights
LaGuardia to Leeds 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$245Average$577FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$291Average$697FlexibilityNo cancel feeOn-time76%
Norse Atlantic UKCheapest$291Average$512FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$323Average$496FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$324Average$541FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$336Average$598FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$340Average$531FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$360Average$684FlexibilityNo cancel feeOn-time62%
KLMCheapest$366Average$692FlexibilityNo cancel feeOn-time75%
DeltaCheapest$393Average$581FlexibilityNo cancel feeOn-timeN/A

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.