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 $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.

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: Aeromexico (86%), Malaysia Airlines (85%), American Airlines (82%).

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.

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.

$421+ 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	$519 (Mytrip)
One-way from	$421 (Delta)
Popular in	January
Cheapest in	September
Average price	$917

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. 3% potential increase in price ($45 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($30 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 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 September 16, 2025.

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

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

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

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

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

Mon 10/205:30 pmJFK - SOU

1 stop10h 15mKLM

Mon 11/38:40 amSOU - JFK

1 stop31h 45mKLM

Deal found 9/16

$687

Wed 11/52:40 pmJFK - SOU

2 stops21h 45mDelta

Mon 11/106:05 pmSOU - JFK

1 stop22h 20mDelta

Deal found 9/15

$689

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 September 16, 2025.

Mon 10/208:25 pmJFK - SOU

3 stops18h 05mMultiple Airlines

Mon 11/37:55 pmSOU - JFK

2 stops29h 10mMultiple Airlines

Deal found 9/16

$663

Wed 12/39:20 pmJFK - SOU

1 stop15h 05mDelta

Wed 12/178:40 amSOU - JFK

2 stops17h 49mDelta

Deal found 9/14

$695

Fri 10/313:20 pmJFK - SOU

2 stops13h 25mAer Lingus

Fri 11/79:30 amSOU - JFK

1 stop14h 55mAer Lingus

Deal found 9/16

$724

Thu 10/303:20 pmJFK - SOU

2 stops13h 25mAer Lingus

Thu 11/69:30 amSOU - JFK

1 stop14h 55mAer Lingus

Deal found 9/14

$740

Mon 10/209:10 pmJFK - SOU

1 stop30h 35mDelta

Tue 10/288:40 amSOU - JFK

1 stop12h 05mDelta

Deal found 9/15

$765

Thu 11/209:20 pmJFK - SOU

1 stop30h 30mDelta

Wed 12/38:40 amSOU - JFK

1 stop12h 05mDelta

Deal found 9/16

$785

Thu 11/209:20 pmJFK - SOU

1 stop30h 30mDelta

Tue 12/25:30 pmSOU - JFK

2 stops30h 14mDelta

Deal found 9/16

$795

Wed 11/55:45 pmJFK - SOU

1 stop9h 35mDelta

Sun 11/99:30 amSOU - JFK

1 stop14h 50mDelta

Deal found 9/16

$815

Tue 11/45:45 pmJFK - SOU

1 stop9h 25mDelta

Mon 11/108:40 amSOU - JFK

1 stop12h 05mDelta

Deal found 9/16

$827

Mon 1/59:20 pmJFK - SOU

1 stop30h 30mDelta

Tue 1/209:25 amSOU - JFK

1 stop11h 20mDelta

Deal found 9/16

$833

Mon 1/59:20 pmJFK - SOU

1 stop30h 30mDelta

Fri 1/169:00 amSOU - JFK

1 stop11h 45mDelta

Deal found 9/16

$833

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 September 16, 2025 and is based on user searches.

Thu 10/24:55 pmJFK - SOU

1 stop10h 45mAer Lingus

Mon 10/68:00 pmSOU - JFK

2 stops26h 15mAer Lingus

Deal found 9/16

$702

Thu 10/26:55 amJFK - SOU

2 stops31h 35mMultiple Airlines

Mon 10/68:00 pmSOU - JFK

2 stops30h 45mMultiple Airlines

Deal found 9/16

$719

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

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

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

Mon 10/205:30 pmJFK - SOU

1 stop10h 15mKLM

Mon 11/38:40 amSOU - JFK

1 stop31h 45mKLM

Deal found 9/16

$687

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

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 September 16, 2025.

Sun 9/2112:50 amJFK - SOU

1 stop11h 10mDelta

Deal found 9/15

$421

Sun 9/2812:59 pmJFK - SOU

2 stops14h 46mDelta

Deal found 9/15

$426

Sat 9/275:55 pmJFK - SOU

2 stops42h 05mDelta

Deal found 9/15

$438

Sun 9/2112:50 amJFK - SOU

1 stop11h 10mVirgin Atlantic

Deal found 9/16

$485

Thu 12/115:00 pmJFK - SOU

1 stop21h 40mAer Lingus

Deal found 9/15

$498

Fri 9/267:15 pmJFK - SOU

1 stop17h 15mDelta

Deal found 9/15

$511

Tue 12/234:40 pmJFK - SOU

1 stop10h 30mDelta

Deal found 9/14

$555

Sun 12/219:20 pmJFK - SOU

1 stop29h 50mDelta

Deal found 9/14

$596

Sat 12/204:40 pmJFK - SOU

1 stop11h 10mDelta

Deal found 9/14

$780

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

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

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

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

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Thu 10/30

3:20 pm-8:45 am

2 stops13h 25m

Southampton Eastleigh

Thu 11/6

9:30 am-7:25 pm

1 stop14h 55m

$740

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 10/20

9:10 pm-8:45 am

1 stop30h 35m

Southampton Eastleigh

Tue 10/28

8:40 am-4:45 pm

1 stop12h 05m

$765

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Thu 11/20

9:20 pm-8:50 am

1 stop30h 30m

Southampton Eastleigh

Wed 12/3

8:40 am-3:45 pm

1 stop12h 05m

$785

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Thu 11/20

9:20 pm-8:50 am

1 stop30h 30m

Southampton Eastleigh

Tue 12/2

5:30 pm-6:44 pm

2 stops30h 14m

$795

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 11/5

5:45 pm-8:20 am

1 stop9h 35m

Southampton Eastleigh

Sun 11/9

9:30 am-7:20 pm

1 stop14h 50m

$815

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Tue 11/4

5:45 pm-8:10 am

1 stop9h 25m

Southampton Eastleigh

Mon 11/10

8:40 am-3:45 pm

1 stop12h 05m

$827

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 1/5

9:20 pm-8:50 am

1 stop30h 30m

Southampton Eastleigh

Tue 1/20

9:25 am-3:45 pm

1 stop11h 20m

$833

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 19 results

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 $1,097). 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 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 Friday (118 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (108 on average).

Reviews of airlines servicing Portsmouth

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

7.8

Good

1,386 reviews

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

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

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

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 13h 25m. Fly via Delta or Aer Lingus to get the fastest option. The distance from New York John F Kennedy Intl Airport to Portsmouth is about 3414 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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: Aeromexico (86%), Malaysia Airlines (85%), American Airlines (82%).
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 $1,894, 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 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 $1,097). 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

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from John F Kennedy Intl to Portsmouth

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$45	Average$542	FlexibilityNo cancel fee	On-time62%
Lufthansa	Cheapest$197	Average$493	FlexibilityNo cancel fee	On-time76%
TAP AIR PORTUGAL	Cheapest$293	Average$549	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$295	Average$576	FlexibilityNo cancel fee	On-time69%
SWISS	Cheapest$296	Average$533	FlexibilityNo cancel fee	On-time79%
Norse Atlantic UK	Cheapest$364	Average$553	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$365	Average$791	FlexibilityNo cancel fee	On-time75%
Virgin Atlantic	Cheapest$383	Average$582	FlexibilityNo cancel fee	On-time72%
Air France	Cheapest$391	Average$612	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$393	Average$599	FlexibilityNo cancel fee	On-time70%

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$421+ 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 9/21. 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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3. Compare prices and book

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 September 16, 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 September 16, 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 September 16, 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 September 16, 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

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.

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?

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

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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.

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 September 16, 2025.