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Portsmouth

$273+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
NYC — LHR
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
1 adult, Economy
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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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$555
(Connections by easyJet)

One-way from

$273
(Trip.com)

Popular in

June

Cheapest in

March

Average price

$709
Provider with most accurate pricing for New York (NYC)-London (LON) flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-London (LON) flights.
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From New York (NYC) to Portsmouth
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One-way flight from New York (NYC) to Portsmouth
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Highest demand for flights based on searches. 15% potential increase in price ($186 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 27, 2025.

This Connections by easyJet deal was found by Cheapflights users on 3/26. 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 3/26$555
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Sun 4/276:20 pmJFK - SOU
2 stops15h 35mMultiple Airlines
Mon 5/128:05 amSOU - JFK
1 stop19h 10mMultiple Airlines
Deal found 3/26$641
This Mytrip deal was found by Cheapflights users on 3/26. 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 4/277:15 pmSWF - SOU
3 stops19h 15mMultiple Airlines
Mon 5/128:05 amSOU - SWF
2 stops39h 00mMultiple Airlines
Deal found 3/26$722
This Gotogate deal was found by Cheapflights users on 3/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/275:30 pmEWR - SOU
1 stop18h 15mAer Lingus
Mon 5/125:15 pmSOU - EWR
1 stop27h 45mAer Lingus
Deal found 3/26$999
This KAYAK deal was found by Cheapflights users on 3/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/279:05 pmJFK - SOU
1 stop14h 40mAer Lingus
Mon 5/125:15 pmSOU - JFK
1 stop31h 05mAer Lingus
Deal found 3/26$1,011
This KLM deal was found by Cheapflights users on 3/26. 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.
Fri 10/315:40 pmJFK - SOU
1 stop19h 10mKLM
Fri 11/79:00 amSOU - JFK
1 stop11h 50mKLM
Deal found 3/26$1,025
This Mytrip deal was found by Cheapflights users on 3/26. 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 5/911:40 amLGA - SOU
2 stops23h 05mMultiple Airlines
Fri 5/168:15 pmSOU - LGA
2 stops25h 43mMultiple Airlines
Deal found 3/26$1,117
This Delta deal was found by Cheapflights users on 3/26. 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 10/317:00 pmLGA - SOU
2 stops17h 50mDelta
Fri 11/79:00 amSOU - LGA
2 stops19h 44mDelta
Deal found 3/26$1,165
This Delta deal was found by Cheapflights users on 3/26. 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 7/2712:50 amJFK - SOU
1 stop11h 10mDelta
Thu 8/75:35 pmSOU - JFK
1 stop30h 30mDelta
Deal found 3/26$1,165
This Air France deal was found by Cheapflights users on 3/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/274:00 pmLGA - SOU
2 stops11h 45mKLM
Mon 5/129:20 amSOU - LGA
2 stops15h 09mKLM
Deal found 3/26$1,204
This Delta deal was found by Cheapflights users on 3/26. 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.
Tue 4/2212:45 pmEWR - SOU
2 stops15h 00mDelta
Sun 5/49:20 amSOU - EWR
2 stops20h 36mDelta
Deal found 3/26$1,215
This KLM deal was found by Cheapflights users on 3/27. 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.
Tue 4/2212:45 pmEWR - SOU
2 stops15h 00mKLM
Sun 5/49:20 amSOU - EWR
2 stops15h 32mKLM
Deal found 3/27$1,465

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 March 27, 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 4/27

11:00 pm-6:55 pm

1 stop14h 55m

Southampton Eastleigh

Mon 5/12

8:05 am-9:00 pm

1 stop17h 55m

$555

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 4/27

6:20 pm-2:55 pm

2 stops15h 35m

Southampton Eastleigh

Mon 5/12

8:05 am-10:15 pm

1 stop19h 10m

$641

New WindsorSouthampton

SWF - SOU

SWFSOU

New Windsor Stewart

Sun 4/27

7:15 pm-7:30 pm

3 stops19h 15m

Southampton Eastleigh

Mon 5/12

8:05 am-6:05 pm

2 stops39h 00m

$722

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Sun 4/27

5:30 pm-4:45 pm

1 stop18h 15m

Southampton Eastleigh

Mon 5/12

5:15 pm-4:00 pm

1 stop27h 45m

$999

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 4/27

9:05 pm-4:45 pm

1 stop14h 40m

Southampton Eastleigh

Mon 5/12

5:15 pm-7:20 pm

1 stop31h 05m

$1,011

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Fri 5/9

11:40 am-3:45 pm

2 stops23h 05m

Southampton Eastleigh

Fri 5/16

8:15 pm-4:58 pm

2 stops25h 43m

$1,117

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 7/27

9:10 pm-5:00 pm

1 stop14h 50m

Southampton Eastleigh

Tue 8/5

9:20 am-7:05 pm

1 stop14h 45m

$1,165

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Fri 8/15

1:00 pm-8:45 am

2 stops14h 45m

Southampton Eastleigh

Sun 8/31

9:20 am-8:36 pm

2 stops16h 16m

$1,175

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 6/15

12:50 am-5:00 pm

1 stop11h 10m

Southampton Eastleigh

Sat 6/28

5:35 pm-1:20 pm

1 stop24h 45m

$1,200

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Sun 4/27

4:00 pm-8:45 am

2 stops11h 45m

Southampton Eastleigh

Mon 5/12

9:20 am-7:29 pm

2 stops15h 09m

$1,204

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 25 results
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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 $1,115). 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 March 27, 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.

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 March 27, 2025.
Read reviews from past customers who have flown Delta, KLM and Aer Lingus 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
7,894 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,894 reviews
Delta
8.0
Very good
7,894 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

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
1,321 reviews
Delta
8.0
Very good
7,894 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

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
1,062 reviews
Delta
8.0
Very good
7,894 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

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
6,712 reviews
Delta
8.0
Very good
7,894 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Entertainment

7.9

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 $530 on Aer Lingus. Other airlines that offer cheap prices include Delta from $672 and KLM from $709 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 Aer Lingus (85%), American Airlines (83%) or Alaska Airlines (83%) 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 $2,226, our data shows the cheapest flight currently is $244. When looking at the most popular route, (New York John F Kennedy Intl - Southampton Eastleigh), you can expect to pay $823 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 $1,115). 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

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Alternative routes for New York to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$245Average$579FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$280Average$519FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$291Average$644FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$321Average$599FlexibilityNo cancel feeOn-time77%
PLAYCheapest$323Average$490FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$340Average$541FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$340Average$557FlexibilityNo cancel feeOn-time72%
KLMCheapest$366Average$693FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$391Average$654FlexibilityNo cancel feeOn-time62%
DeltaCheapest$394Average$604FlexibilityNo cancel feeOn-timeN/A
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