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$355+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — LHR
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$765
(Delta)

One-way from

$355
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$976
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. 5% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/212:15 amJFK - SOU
2 stops27h 20mMultiple Airlines
Mon 5/198:05 amSOU - JFK
1 stop19h 10mMultiple Airlines
Deal found 4/30$690
This Delta deal was found by Cheapflights users on 4/29. 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 9/77:15 pmJFK - SOU
1 stop16h 45mDelta
Wed 9/245:35 pmSOU - JFK
1 stop10h 15mDelta
Deal found 4/29$765
This KLM deal was found by Cheapflights users on 4/30. 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 9/712:50 amJFK - SOU
1 stop11h 10mKLM
Mon 9/155:35 pmSOU - JFK
1 stop26h 50mKLM
Deal found 4/30$766
This Virgin Atlantic deal was found by Cheapflights users on 4/30. 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.
Fri 9/59:59 amJFK - SOU
2 stops17h 46mVirgin Atlantic
Tue 9/169:20 amSOU - JFK
1 stop14h 45mVirgin Atlantic
Deal found 4/30$820
This Gurufare deal was found by Cheapflights users on 5/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/149:05 pmJFK - SOU
1 stop17h 25mAer Lingus
Mon 9/18:00 pmSOU - JFK
1 stop22h 25mAer Lingus
Deal found 5/1$886
This British Airways deal was found by Cheapflights users on 5/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/69:15 pmJFK - SOU
1 stop17h 25mBritish Airways
Mon 11/106:50 amSOU - JFK
1 stop15h 30mBritish Airways
Deal found 5/1$1,532

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 May 1, 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

Sun 9/7

5:30 pm-8:45 am

1 stop10h 15m

Southampton Eastleigh

Mon 9/22

5:35 pm-3:25 pm

1 stop26h 50m

$765

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 9/7

12:50 am-5:00 pm

1 stop11h 10m

Southampton Eastleigh

Mon 9/15

5:35 pm-3:25 pm

1 stop26h 50m

$766

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fri 9/5

9:59 am-8:45 am

2 stops17h 46m

Southampton Eastleigh

Tue 9/16

9:20 am-7:05 pm

1 stop14h 45m

$820

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Thu 8/14

9:05 pm-7:30 pm

1 stop17h 25m

Southampton Eastleigh

Mon 9/1

8:00 pm-1:25 pm

1 stop22h 25m

$886

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fri 9/12

8:20 am-8:40 am

2 stops19h 20m

Southampton Eastleigh

Sun 9/28

9:10 am-7:15 pm

2 stops15h 05m

$960

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 9/24

9:30 pm-4:00 pm

2 stops13h 30m

Southampton Eastleigh

Sun 9/28

9:10 am-7:20 pm

1 stop15h 10m

$2,005

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sat 7/12

11:10 pm-10:35 am

3 stops30h 25m

$355

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 8/24

7:15 pm-5:00 pm

1 stop16h 45m

$480

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sat 7/12

4:55 pm-8:35 am

1 stop10h 40m

$524

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fri 6/27

5:30 pm-8:45 am

1 stop10h 15m

$830

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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, November is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Portsmouth (average of $661). Flying from New York John F Kennedy Intl Airport to Portsmouth in June is currently the most expensive (average of $1,103). 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 May 1, 2025.

When flying from New York John F Kennedy Intl Airport to Portsmouth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 afternoons 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 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 May 1, 2025.

The most flights from JFK to P0R are scheduled on a Wednesday (119 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (99 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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

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
643 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

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
1,076 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

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
6,845 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

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 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.

  • What are the cheapest airlines to fly from New York John F Kennedy Intl Airport to Portsmouth one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $480. Aer Lingus flights start at $524 while deals on KLM start at $830 one-way.

  • 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: Scandinavian Airlines (95%), American Airlines (84%), British Airways (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 $1,968, our data shows the cheapest flight currently is $314. When looking at the most popular route, (New York John F Kennedy Intl - Southampton Eastleigh), you can expect to pay $766 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, November is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Portsmouth (average of $661). Flying from New York John F Kennedy Intl Airport to Portsmouth in June is currently the most expensive (average of $1,103). 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
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Newark to Gatwick flights
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Newark to London City flights
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Stewart to Stansted flights
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Newark to Edinburgh flights
Newark to Stansted flights
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John F Kennedy Intl to Manchester flights
LaGuardia to Edinburgh flights
LaGuardia to London City flights
Stewart to Luton flights
Stewart to Gatwick flights
Newark to Manchester flights
LaGuardia to Manchester flights
Stewart to Edinburgh flights
John F Kennedy Intl to Southampton flights
John F Kennedy Intl to Birmingham flights
LaGuardia to Stansted flights
Stewart to Manchester flights
Newark to Birmingham flights
Newark to Southampton flights
LaGuardia to Birmingham flights
John F Kennedy Intl to Newcastle upon Tyne flights
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Stewart to London City flights
Newark to Leeds flights
LaGuardia to Leeds flights
Newark to Liverpool flights
John F Kennedy Intl to Liverpool flights
Newark to Newcastle upon Tyne flights
John F Kennedy Intl to Bristol flights
LaGuardia to Newcastle upon Tyne flights
Newark to Bristol flights
Newark to Southend flights
LaGuardia to Southampton flights
LaGuardia to Bristol flights
Stewart to Heathrow flights
LaGuardia to Luton flights
Stewart to Birmingham flights
John F Kennedy Intl to Southend flights
John F Kennedy Intl to Darlington flights
Stewart to Southend 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$245Average$537FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$291Average$749FlexibilityNo cancel feeOn-time76%
Norse Atlantic UKCheapest$291Average$519FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$311Average$527FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$360Average$690FlexibilityNo cancel feeOn-time62%
KLMCheapest$366Average$785FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$370Average$615FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$391Average$598FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$391Average$601FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$393Average$602FlexibilityNo cancel feeOn-time70%

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