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$452+ Cheap flights from John F Kennedy Intl, NY (JFK) 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — LHR
Dec 15 — Dec 221
Mon 12/15
Mon 12/22
1 adult, Economy
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Cheap flight deals from John F Kennedy Intl to Portsmouth

Keep the following information in mind while searching for John F Kennedy Intl to Portsmouth flight deals. Data was last updated November 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$671
(Delta)

One-way from

$452
(Delta)

Popular in

February

Cheapest in

October

Average price

$595
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 John F Kennedy Intl to Portsmouth
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One-way flight from New York John F Kennedy Intl to Portsmouth
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Highest demand for flights based on searches. 19% potential increase in price ($270 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from John F Kennedy Intl to Portsmouth

Cheapest flights from John F Kennedy Intl to Portsmouth
Explore the most affordable flight options available from John F Kennedy Intl to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 15, 2025.

This Delta deal was found by Cheapflights users on 11/15. 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.
Sun 11/236:50 pmJFK - SOU
1 stop32h 20mDelta
Mon 12/16:05 pmSOU - JFK
1 stop22h 25mDelta
Deal found 11/15$663
This Delta deal was found by Cheapflights users on 11/15. 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.
Mon 11/242:50 pmJFK - SOU
2 stops21h 10mDelta
Mon 12/16:05 pmSOU - JFK
1 stop22h 25mDelta
Deal found 11/15$668
This Delta deal was found by Cheapflights users on 11/13. 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 12/314:40 pmJFK - SOU
1 stop10h 40mDelta
Tue 1/65:35 pmSOU - JFK
1 stop23h 05mDelta
Deal found 11/13$688
This Delta deal was found by Cheapflights users on 11/12. 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 12/44:40 pmJFK - SOU
1 stop10h 25mDelta
Mon 12/86:05 pmSOU - JFK
1 stop22h 25mDelta
Deal found 11/12$713
This Ovago deal was found by Cheapflights users on 11/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:10 pmJFK - SOU
1 stop9h 45mMultiple Airlines
Tue 1/63:00 pmSOU - JFK
1 stop31h 20mMultiple Airlines
Deal found 11/15$728
This Delta deal was found by Cheapflights users on 11/15. 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.
Sat 11/2210:07 amJFK - SOU
2 stops17h 43mDelta
Mon 12/16:05 pmSOU - JFK
1 stop22h 25mDelta
Deal found 11/15$753
This Delta deal was found by Cheapflights users on 11/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:45 pmJFK - SOU
1 stop10h 05mDelta
Fri 12/55:30 pmSOU - JFK
1 stop30h 50mDelta
Deal found 11/14$763
This Mytrip deal was found by Cheapflights users on 11/15. 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.
Tue 12/301:00 pmJFK - SOU
2 stops17h 55mAer Lingus
Tue 1/612:25 pmSOU - JFK
2 stops33h 55mAer Lingus
Deal found 11/15$811
This Delta deal was found by Cheapflights users on 11/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/305:45 pmJFK - SOU
1 stop9h 25mDelta
Fri 12/58:40 amSOU - JFK
1 stop15h 40mDelta
Deal found 11/14$842

Cheapflights Fare Finder

 
Customize your flight search to find flights from John F Kennedy Intl 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 15, 2025.
Use the filters below to find and compare flights from New York John F Kennedy Intl Airport to Portsmouth that are best for you.

Fly from

John F Kennedy Intl

Fly to

Portsmouth

Route

Depart

Return

Price

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 1/12

9:20 pm-5:05 pm

1 stop14h 45m

Southampton Eastleigh

Fri 1/30

9:00 am-3:45 pm

1 stop11h 45m

$671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 1/12

6:50 pm-5:05 pm

1 stop17h 15m

Southampton Eastleigh

Wed 1/28

9:25 am-3:45 pm

1 stop11h 20m

$671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 1/14

6:50 pm-5:05 pm

1 stop17h 15m

Southampton Eastleigh

Wed 1/28

5:30 pm-1:20 pm

1 stop24h 50m

$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

Tue 1/27

9:25 am-3:45 pm

1 stop11h 20m

$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

Mon 1/26

5:30 pm-11:40 am

1 stop23h 10m

$671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Tue 1/13

9:20 pm-5:05 pm

1 stop14h 45m

Southampton Eastleigh

Fri 1/30

9:00 am-3:45 pm

1 stop11h 45m

$671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Tue 1/13

12:25 pm-8:50 am

2 stops15h 25m

Southampton Eastleigh

Wed 1/28

5:30 pm-11:40 am

1 stop23h 10m

$675

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Tue 1/13

12:25 pm-8:50 am

2 stops15h 25m

Southampton Eastleigh

Thu 1/29

5:30 pm-11:35 am

1 stop23h 05m

$675

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 1/14

2:30 pm-5:05 pm

2 stops21h 35m

Southampton Eastleigh

Thu 1/29

5:30 pm-11:35 am

1 stop23h 05m

$675

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 3/30

9:10 pm-8:50 am

1 stop30h 40m

Southampton Eastleigh

Mon 4/6

5:35 pm-5:05 pm

1 stop28h 30m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 23 results
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Best time to book a flight from John F Kennedy Intl to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from John F Kennedy Intl 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 John F Kennedy Intl Airport to Portsmouth

What is the cheapest month to book a flight from New York John F Kennedy Intl Airport to Portsmouth?

Currently, February is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Portsmouth (average of $320). Flying from New York John F Kennedy Intl Airport 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 JFK to P0R?

Find hourly flight availability from John F Kennedy Intl 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 15, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 22% on flights from New York John F Kennedy Intl Airport to Portsmouth by exploring options for tickets in the morning.

What is the cheapest day to fly from New York John F Kennedy Intl Airport to Portsmouth?

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

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

Weekly flight availability from New York John F Kennedy Intl Airport to Portsmouth

Explore weekly flight availability from John F Kennedy Intl 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 15, 2025.

The most flights from JFK to P0R are scheduled on a Friday (104 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (83 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 15, 2025.
Peruse reviews from past customers who have flown with KLM and Aer Lingus from New York John F Kennedy Intl Airport to Portsmouth to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,411 reviews

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.7

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
1,411 reviews
KLM
7.7
Good
1,411 reviews

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.7

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
1,370 reviews
KLM
7.7
Good
1,411 reviews

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.7

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 John F Kennedy Intl 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 John F Kennedy Intl Airport to Portsmouth?

    There are many flights that can get you from New York John F Kennedy Intl Airport to Portsmouth in 14h 45m. Fly via Delta to get the fastest option. The distance from New York John F Kennedy Intl Airport to Portsmouth is about 3414 mi.

  • What are the most reliable airlines from New York John F Kennedy Intl Airport to Portsmouth?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from New York John F Kennedy Intl Airport to Portsmouth on time: KLM (84%), Air France (84%), Delta (84%).

  • What are the cheapest flights from New York John F Kennedy Intl Airport to Portsmouth?

    While on average a flight from New York John F Kennedy Intl Airport 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 $671 for that flight.

  • Can I find deals for flights from John F Kennedy Intl to Portsmouth that include hotel bookings?

    Yes. In addition to deals on John F Kennedy Intl to Portsmouth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from John F Kennedy Intl to Portsmouth?

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

  • Can I find deals for business class flights from John F Kennedy Intl to Portsmouth?

    Yes. Cheapflights offers flight deals from John F Kennedy Intl 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 John F Kennedy Intl Airport to Portsmouth?

    Currently, February is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Portsmouth (average of $320). Flying from New York John F Kennedy Intl Airport 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.

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Alternative routes for John F Kennedy Intl 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 London City flights
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Newark to Gatwick flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Luton flights
Newark to London City flights
Newark to Luton flights
Newark to Stansted flights
Newark to Edinburgh flights
John F Kennedy Intl to Edinburgh flights
LaGuardia to London City flights
John F Kennedy Intl to Manchester flights
LaGuardia to Stansted flights
LaGuardia to Luton flights
LaGuardia to Edinburgh flights
Newark to Manchester flights
LaGuardia to Manchester flights
John F Kennedy Intl to Southampton flights
John F Kennedy Intl to Southend flights
John F Kennedy Intl to Birmingham flights
John F Kennedy Intl to Leeds flights
Newark to Birmingham flights
Newark to Southampton flights
John F Kennedy Intl to Newcastle upon Tyne flights
Newark to Newcastle upon Tyne flights
John F Kennedy Intl to Liverpool flights
LaGuardia to Birmingham flights
Newark to Liverpool flights
John F Kennedy Intl to Bristol flights
Newark to Southend flights
Newark to Bristol flights
LaGuardia to Newcastle upon Tyne flights
Newark to Leeds flights
LaGuardia to Leeds flights
Stewart to Luton flights
LaGuardia to Bristol flights
Newark to Exeter flights
John F Kennedy Intl to Exeter flights
Stewart to Stansted flights
LaGuardia to Southampton flights
John F Kennedy Intl to Darlington flights
Newark to Newquay flights
John F Kennedy Intl to Norwich flights
Newark to East Midlands flights
John F Kennedy Intl to East Midlands flights

Top 10 airlines flying from John F Kennedy Intl to Portsmouth

Discover the top 10 airlines that operate flights from John F Kennedy Intl 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$45Average$533FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$293Average$549FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$330Average$622FlexibilityNo cancel feeOn-time79%
Norse Atlantic UKCheapest$369Average$551FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$387Average$794FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$394Average$596FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$399Average$597FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$400Average$615FlexibilityNo cancel feeOn-time77%
FinnairCheapest$401Average$642FlexibilityNo cancel feeOn-time76%
DeltaCheapest$402Average$675FlexibilityNo cancel feeOn-timeN/A

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