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Portsmouth

$421+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
NYC — LHR
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$519
(Mytrip)

One-way from

$421
(Delta)

Popular in

October

Cheapest in

December

Average price

$987
From New York (NYC) to Portsmouth
Search Deals
One-way flight from New York (NYC) to Portsmouth
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Highest demand for flights based on searches. 20% potential increase in price ($254 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This Mytrip deal was found by Cheapflights users on 9/14. 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 10/304:50 pmJFK - SOU
2 stops22h 50mMultiple Airlines
Thu 11/68:10 pmSOU - JFK
2 stops24h 59mMultiple Airlines
Deal found 9/14$519
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/3010:35 amLGA - SOU
3 stops29h 05mMultiple Airlines
Thu 11/68:10 pmSOU - LGA
2 stops26h 48mMultiple Airlines
Deal found 9/15$520
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/304:25 pmEWR - SOU
2 stops23h 15mMultiple Airlines
Thu 11/68:10 pmSOU - EWR
2 stops24h 39mMultiple Airlines
Deal found 9/15$520
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Mon 10/204:55 pmJFK - SOU
1 stop10h 20mAer Lingus
Tue 11/412:25 pmSOU - JFK
1 stop12h 00mAer Lingus
Deal found 9/15$552
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Mon 10/206:20 pmJFK - SOU
2 stops20h 10mMultiple Airlines
Mon 11/37:55 pmSOU - JFK
2 stops29h 10mMultiple Airlines
Deal found 9/16$573
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:00 pmJFK - SOU
1 stop10h 45mAer Lingus
Wed 12/1712:25 pmSOU - JFK
1 stop12h 00mAer Lingus
Deal found 9/14$594
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 10/204:55 pmJFK - SOU
1 stop10h 20mMultiple Airlines
Tue 11/45:30 pmSOU - JFK
3 stops28h 50mMultiple Airlines
Deal found 9/15$648
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 10/204:55 pmEWR - SOU
2 stops21h 35mMultiple Airlines
Tue 11/48:10 pmSOU - EWR
2 stops24h 50mMultiple Airlines
Deal found 9/15$651
This lastminute.com deal was found by Cheapflights users on 9/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2012:59 pmLGA - SOU
2 stops14h 46mMultiple Airlines
Tue 11/45:30 pmSOU - LGA
2 stops35h 07mMultiple Airlines
Deal found 9/15$687
This KLM deal was found by Cheapflights users on 9/16. 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 10/205:30 pmJFK - SOU
1 stop10h 15mKLM
Mon 11/38:40 amSOU - JFK
1 stop31h 45mKLM
Deal found 9/16$687
This Delta deal was found by Cheapflights users on 9/15. 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 11/52:40 pmJFK - SOU
2 stops21h 45mDelta
Mon 11/106:05 pmSOU - JFK
1 stop22h 20mDelta
Deal found 9/15$689
This KLM deal was found by Cheapflights users on 9/14. 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.
Wed 10/2911:59 amEWR - SOU
2 stops16h 21mKLM
Wed 11/58:40 amSOU - EWR
2 stops19h 30mKLM
Deal found 9/14$699

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 September 16, 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

LGA - SOU

LGASOU

New York LaGuardia

Thu 10/30

10:35 am-7:40 pm

3 stops29h 05m

Southampton Eastleigh

Thu 11/6

8:10 pm-5:58 pm

2 stops26h 48m

$520

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Thu 10/30

4:25 pm-7:40 pm

2 stops23h 15m

Southampton Eastleigh

Thu 11/6

8:10 pm-3:49 pm

2 stops24h 39m

$520

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Mon 10/20

4:55 pm-7:30 pm

2 stops21h 35m

Southampton Eastleigh

Tue 11/4

8:10 pm-4:00 pm

2 stops24h 50m

$651

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 10/20

8:25 pm-7:30 pm

3 stops18h 05m

Southampton Eastleigh

Mon 11/3

7:55 pm-8:05 pm

2 stops29h 10m

$663

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Mon 10/20

12:59 pm-8:45 am

2 stops14h 46m

Southampton Eastleigh

Tue 11/4

5:30 pm-11:37 pm

2 stops35h 07m

$687

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 12/3

9:20 pm-5:25 pm

1 stop15h 05m

Southampton Eastleigh

Wed 12/17

8:40 am-9:29 pm

2 stops17h 49m

$695

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Wed 10/29

11:59 am-8:20 am

2 stops16h 21m

Southampton Eastleigh

Wed 11/5

8:40 am-11:10 pm

2 stops19h 30m

$699

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Wed 10/29

6:45 pm-8:45 am

1 stop10h 00m

Southampton Eastleigh

Wed 11/5

8:10 pm-1:25 pm

2 stops46h 15m

$711

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fri 10/31

3:20 pm-8:45 am

2 stops13h 25m

Southampton Eastleigh

Fri 11/7

9:30 am-7:25 pm

1 stop14h 55m

$724

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Thu 10/30

6:45 pm-8:45 am

1 stop10h 00m

Southampton Eastleigh

Thu 11/6

9:30 am-4:15 pm

1 stop11h 45m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 36 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 $1,097). 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 September 16, 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 September 16, 2025.

The most flights from NYC to P0R are scheduled on a Friday (168 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (158 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 September 16, 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
7.8
Good
1,386 reviews

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Aer Lingus
7.2
Good
1,274 reviews
KLM
7.8
Good
1,386 reviews

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 13h 25m. Your travel time can differ by up to 2h 56m. The distance from New York to Portsmouth is about 3414 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 Aeromexico (86%), Malaysia Airlines (85%) or American Airlines (82%) 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 $1,894, our data shows the cheapest flight currently is $199. When looking at the most popular route, (New York John F Kennedy Intl - Southampton Eastleigh), you can expect to pay $520 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 $1,097). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$45Average$542FlexibilityNo cancel feeOn-time62%
LufthansaCheapest$197Average$543FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$293Average$541FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$296Average$562FlexibilityNo cancel feeOn-time79%
Virgin AtlanticCheapest$322Average$558FlexibilityNo cancel feeOn-time72%
PLAYCheapest$323Average$491FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$340Average$540FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$357Average$628FlexibilityNo cancel feeOn-time67%
Norse Atlantic UKCheapest$363Average$547FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$365Average$697FlexibilityNo cancel feeOn-time75%

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