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 Aer Lingus, which is currently one of the cheapest options available, starting at $296. Delta flights start at $452 while deals on KLM start at $562 one-way.

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.

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).

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 $2,132, our data shows the cheapest flight currently is $274. When looking at the most popular route, (New York John F Kennedy Intl - Southampton Eastleigh), you can expect to pay $509 for that flight.

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: Royal Jordanian (90%), SriLankan Airlines (85%), Gulf Air (85%).

What are the most popular airlines that fly from New York John F Kennedy Intl Airport to Portsmouth?

The most popular airlines flying from New York John F Kennedy Intl Airport to Portsmouth are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

How far in advance should I book a flight from New York John F Kennedy Intl Airport to Portsmouth?

Find a great deal and save up to 26% by booking at least 31 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from New York John F Kennedy Intl Airport to Portsmouth within the next two weeks, with the cheapest ticket starting at $638.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Portsmouth. Flights to Portsmouth from New York John F Kennedy Intl Airport in January are about $564 on average during January, but can be found for as low as $375.

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.

$259+ Flights from New York John F Kennedy Intl Airport, NY to Portsmouth

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Cheap flight deals from John F Kennedy Intl to Portsmouth

Round-trip from	$509 (Mytrip)
One-way from	$259 (Kiwi.com)
Popular in	January
Cheapest in	March
Average price	$1,102

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. 7% potential increase in price ($88 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 1, 2025.

Wed 8/1310:30 amJFK - SOU

3 stops28h 00mMultiple Airlines

Wed 8/208:00 pmSOU - JFK

2 stops30h 47mMultiple Airlines

Deal found 6/29

$509

Wed 8/134:55 pmJFK - SOU

1 stop10h 45mAer Lingus

Wed 8/208:00 pmSOU - JFK

2 stops26h 15mAer Lingus

Deal found 6/29

$556

Wed 10/155:30 pmJFK - SOU

1 stop10h 15mDelta

Wed 10/229:20 amSOU - JFK

1 stop14h 45mDelta

Deal found 6/30

$666

Sun 8/2412:50 amJFK - SOU

1 stop27h 00mVirgin Atlantic

Wed 9/109:20 amSOU - JFK

1 stop11h 05mVirgin Atlantic

Deal found 6/30

$764

Best flights from John F Kennedy Intl to Portsmouth
Discover carefully curated flight deals from John F Kennedy Intl to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2025.

Wed 8/1310:30 amJFK - SOU

3 stops28h 00mMultiple Airlines

Wed 8/208:00 pmSOU - JFK

2 stops30h 47mMultiple Airlines

Deal found 6/29

$509

Wed 8/134:55 pmJFK - SOU

1 stop10h 45mAer Lingus

Wed 8/208:00 pmSOU - JFK

2 stops26h 15mAer Lingus

Deal found 6/29

$556

Wed 8/209:10 pmJFK - SOU

1 stop30h 35mDelta

Wed 8/279:20 amSOU - JFK

1 stop11h 05mDelta

Deal found 7/1

$669

Sun 8/2412:50 amJFK - SOU

1 stop27h 00mVirgin Atlantic

Wed 9/109:20 amSOU - JFK

1 stop11h 05mVirgin Atlantic

Deal found 6/30

$764

Mon 9/812:50 amJFK - SOU

1 stop11h 10mKLM

Fri 9/199:20 amSOU - JFK

1 stop11h 05mKLM

Deal found 6/28

$812

Last-minute flights from John F Kennedy Intl to Portsmouth
Discover last-minute flight deals from John F Kennedy Intl to Portsmouth. Data last updated July 1, 2025 and is based on user searches.

Mon 7/76:30 pmJFK - SOU

2 stops12h 30mBritish Airways

Mon 9/159:40 amSOU - JFK

1 stop14h 40mBritish Airways

Deal found 6/30

$1,786

Fri 7/116:10 pmJFK - SOU

1 stop17h 50mDelta

Fri 7/189:20 amSOU - JFK

1 stop18h 30mDelta

Deal found 6/30

$801

Sun 7/2712:50 amJFK - SOU

1 stop27h 00mKLM

Tue 8/129:20 amSOU - JFK

1 stop11h 05mKLM

Deal found 6/30

$847

Wed 8/1310:30 amJFK - SOU

3 stops28h 00mMultiple Airlines

Wed 8/208:00 pmSOU - JFK

2 stops30h 47mMultiple Airlines

Deal found 6/29

$509

Wed 8/134:55 pmJFK - SOU

1 stop10h 45mAer Lingus

Wed 8/208:00 pmSOU - JFK

2 stops26h 15mAer Lingus

Deal found 6/29

$556

Wed 8/205:30 pmJFK - SOU

1 stop10h 15mDelta

Fri 8/295:35 pmSOU - JFK

1 stop10h 15mDelta

Deal found 7/1

$669

Sun 8/2412:50 amJFK - SOU

1 stop27h 00mVirgin Atlantic

Wed 9/109:20 amSOU - JFK

1 stop11h 05mVirgin Atlantic

Deal found 6/30

$764

One-way flights from John F Kennedy Intl to Portsmouth
Search for one-way flight options from John F Kennedy Intl to Portsmouth. Find affordable one-way fares based on user searches. Data last updated July 1, 2025.

Sun 9/1411:10 pmJFK - SOU

2 stops31h 35mMultiple Airlines

Deal found 6/30

$259

Sun 9/144:55 pmJFK - SOU

1 stop11h 15mAer Lingus

Deal found 6/30

$296

Wed 8/66:25 pmJFK - SOU

1 stop18h 25mDelta

Deal found 7/1

$452

Fri 9/1212:50 amJFK - SOU

1 stop11h 40mKLM

Deal found 6/30

$562

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 8/13

10:30 am-7:30 pm

3 stops28h 00m

Southampton Eastleigh

Wed 8/20

8:00 pm-9:47 pm

2 stops30h 47m

$509

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 8/13

4:55 pm-8:40 am

1 stop10h 45m

Southampton Eastleigh

Wed 8/20

8:00 pm-5:15 pm

2 stops26h 15m

$556

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 8/20

5:30 pm-8:45 am

1 stop10h 15m

Southampton Eastleigh

Fri 8/29

5:35 pm-10:50 pm

1 stop10h 15m

$669

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 8/24

12:50 am-8:50 am

1 stop27h 00m

Southampton Eastleigh

Wed 9/10

9:20 am-3:25 pm

1 stop11h 05m

$764

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 9/8

12:50 am-5:00 pm

1 stop11h 10m

Southampton Eastleigh

Fri 9/19

9:20 am-3:25 pm

1 stop11h 05m

$812

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 9/14

11:10 pm-11:45 am

2 stops31h 35m

$259

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 9/14

4:55 pm-9:10 am

1 stop11h 15m

$296

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 8/6

6:25 pm-5:50 pm

1 stop18h 25m

$452

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fri 9/12

12:50 am-5:30 pm

1 stop11h 40m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 $1,098). 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?

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?

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

The most flights from JFK to P0R are scheduled on a Tuesday (117 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (79 on average).

Reviews of airlines servicing Portsmouth

Peruse reviews from past customers who have flown with Delta, KLM, and Virgin Atlantic 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.

Delta

8.0

Very good

7,973 reviews

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

7,973 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

KLM

7.8

Good

1,366 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Virgin Atlantic

7.4

Good

654 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Aer Lingus

7.1

Good

1,140 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Related info for your journey

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 Aer Lingus, which is currently one of the cheapest options available, starting at $296. Delta flights start at $452 while deals on KLM start at $562 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: Royal Jordanian (90%), SriLankan Airlines (85%), Gulf Air (85%).
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 $2,132, our data shows the cheapest flight currently is $274. When looking at the most popular route, (New York John F Kennedy Intl - Southampton Eastleigh), you can expect to pay $509 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 $1,098). 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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Top 10 airlines flying from John F Kennedy Intl to Portsmouth

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest$245	Average$540	FlexibilityNo cancel fee	On-time79%
Brussels Airlines	Cheapest$288	Average$858	FlexibilityNo cancel fee	On-timeN/A
Norse Atlantic UK	Cheapest$291	Average$506	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$314	Average$553	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$328	Average$768	FlexibilityNo cancel fee	On-time76%
JetBlue	Cheapest$360	Average$627	FlexibilityNo cancel fee	On-time62%
KLM	Cheapest$366	Average$813	FlexibilityNo cancel fee	On-time75%
Scandinavian Airlines	Cheapest$370	Average$616	FlexibilityNo cancel fee	On-time77%
Virgin Atlantic	Cheapest$389	Average$584	FlexibilityNo cancel fee	On-time72%
Air France	Cheapest$392	Average$584	FlexibilityNo cancel fee	On-time77%

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$259+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from John F Kennedy Intl to Portsmouth with Cheapflights

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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 July 1, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from John F Kennedy Intl to Portsmouth

Cheapest flights from John F Kennedy Intl to PortsmouthExplore 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 July 1, 2025.

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 July 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from New York John F Kennedy Intl Airport to Portsmouth that are best for you.

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.

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?

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 July 1, 2025.

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.

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

Reviews of airlines servicing Portsmouth

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?

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

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

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

How can I 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?

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

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 John F Kennedy Intl to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from John F Kennedy Intl to Portsmouth

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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 July 1, 2025.