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 $1,860, our data shows the cheapest flight currently is $209. When looking at the most popular route, (New York John F Kennedy Intl - Southampton Eastleigh), you can expect to pay $674 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: Aer Lingus (86%), TAP AIR PORTUGAL (85%), JetBlue (83%).

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.

$303+ 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

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 December 28, 2025.

Wed 12/317:25 pmJFK - SOU

2 stops16h 55mMultiple Airlines

Fri 1/28:00 amSOU - JFK

3 stops34h 20mMultiple Airlines

Deal found 12/27

$1,574

Mon 12/299:10 pmJFK - SOU

1 stop9h 45mAer Lingus

Thu 1/88:10 pmSOU - JFK

1 stop22h 45mAer Lingus

Deal found 12/27

$1,688

Mon 12/294:40 pmJFK - SOU

1 stop10h 30mDelta

Sun 1/49:30 amSOU - JFK

1 stop31h 10mDelta

Deal found 12/26

$1,720

Sun 12/289:50 amJFK - SOU

2 stops41h 20mDelta

Sun 1/46:05 pmSOU - JFK

1 stop22h 35mDelta

Deal found 12/26

$1,909

Sun 12/2810:59 pmJFK - SOU

2 stops31h 56mMultiple Airlines

Sun 1/49:30 amSOU - JFK

2 stops32h 50mMultiple Airlines

Deal found 12/27

$2,196

Mon 12/294:40 pmJFK - SOU

1 stop10h 30mDelta

Fri 1/28:40 amSOU - JFK

1 stop12h 05mDelta

Deal found 12/26

$2,455

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 December 28, 2025.

Mon 2/94:45 pmJFK - SOU

1 stop11h 05mKLM

Mon 2/165:35 pmSOU - JFK

1 stop27h 10mKLM

Deal found 12/26

$674

Mon 3/309:10 pmJFK - SOU

1 stop30h 25mDelta

Tue 4/75:20 pmSOU - JFK

1 stop26h 15mDelta

Deal found 12/26

$688

Wed 2/1112:25 pmJFK - SOU

2 stops15h 00mDelta

Wed 2/189:25 amSOU - JFK

2 stops18h 05mDelta

Deal found 12/28

$688

Sun 2/89:20 pmJFK - SOU

1 stop30h 30mKLM

Sun 2/155:45 pmSOU - JFK

1 stop22h 45mKLM

Deal found 12/27

$724

Tue 5/510:30 amJFK - SOU

2 stops17h 05mDelta

Mon 5/115:20 pmSOU - JFK

1 stop24h 04mDelta

Deal found 12/26

$692

Tue 3/3110:30 pmJFK - SOU

1 stop13h 20mDelta

Thu 4/95:20 pmSOU - JFK

2 stops33h 21mDelta

Deal found 12/26

$698

Wed 4/111:18 amJFK - SOU

2 stops24h 32mDelta

Thu 4/95:20 pmSOU - JFK

2 stops33h 21mDelta

Deal found 12/26

$702

Thu 1/89:20 pmJFK - SOU

1 stop14h 45mDelta

Thu 1/159:00 amSOU - JFK

1 stop11h 45mDelta

Deal found 12/27

$724

Sun 1/1110:20 amJFK - SOU

2 stops17h 30mDelta

Sun 1/185:45 pmSOU - JFK

1 stop22h 55mDelta

Deal found 12/27

$728

Fri 4/34:40 pmJFK - SOU

1 stop11h 05mDelta

Tue 4/75:20 pmSOU - JFK

1 stop28h 45mDelta

Deal found 12/26

$738

Mon 4/204:40 pmJFK - SOU

1 stop10h 55mDelta

Sun 4/265:20 pmSOU - JFK

1 stop24h 05mDelta

Deal found 12/26

$738

Mon 1/1210:20 amJFK - SOU

2 stops17h 30mDelta

Sun 1/255:45 pmSOU - JFK

2 stops30h 00mDelta

Deal found 12/27

$738

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 December 28, 2025 and is based on user searches.

Thu 1/89:20 pmJFK - SOU

1 stop14h 45mDelta

Wed 1/149:25 amSOU - JFK

1 stop11h 20mDelta

Deal found 12/27

$724

Thu 1/89:20 pmJFK - SOU

1 stop14h 45mDelta

Sat 1/179:25 amSOU - JFK

1 stop11h 20mDelta

Deal found 12/27

$774

Fri 1/95:45 pmJFK - SOU

1 stop10h 00mDelta

Sun 1/185:45 pmSOU - JFK

1 stop22h 55mDelta

Deal found 12/27

$849

Sat 1/109:20 pmJFK - SOU

1 stop30h 30mDelta

Sun 1/185:45 pmSOU - JFK

1 stop22h 55mDelta

Deal found 12/27

$884

Sun 1/1110:20 amJFK - SOU

2 stops17h 30mDelta

Sun 1/185:45 pmSOU - JFK

1 stop22h 55mDelta

Deal found 12/27

$728

Sun 1/115:45 pmJFK - SOU

1 stop10h 05mDelta

Tue 1/135:35 pmSOU - JFK

1 stop27h 10mDelta

Deal found 12/27

$853

Mon 1/125:45 pmJFK - SOU

1 stop18h 20mVirgin Atlantic

Sun 1/255:45 pmSOU - JFK

1 stop30h 35mVirgin Atlantic

Deal found 12/27

$701

Mon 1/1210:20 amJFK - SOU

2 stops17h 30mDelta

Sun 1/255:45 pmSOU - JFK

2 stops30h 00mDelta

Deal found 12/27

$738

Mon 1/125:30 pmJFK - SOU

3 stops34h 20mMultiple Airlines

Sun 1/258:10 pmSOU - JFK

2 stops24h 59mMultiple Airlines

Deal found 12/27

$776

Mon 1/125:45 pmJFK - SOU

1 stop10h 05mDelta

Sat 1/179:25 amSOU - JFK

1 stop11h 20mDelta

Deal found 12/27

$903

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 December 28, 2025.

Fri 5/86:20 pmJFK - SOU

2 stops42h 30mMultiple Airlines

Deal found 12/26

$303

Mon 6/16:20 pmJFK - SOU

2 stops13h 30mMultiple Airlines

Deal found 12/26

$373

Wed 1/145:00 pmJFK - SOU

1 stop17h 35mAer Lingus

Deal found 12/27

$378

Fri 5/156:20 pmJFK - SOU

2 stops36h 45mMultiple Airlines

Deal found 12/26

$405

Fri 5/84:55 pmJFK - SOU

1 stop10h 45mAer Lingus

Deal found 12/26

$429

Tue 6/168:55 pmJFK - SOU

3 stops30h 50mMultiple Airlines

Deal found 12/26

$434

Wed 4/19:05 pmJFK - SOU

1 stop14h 30mAer Lingus

Deal found 12/27

$439

Sun 1/115:45 pmJFK - SOU

1 stop18h 20mDelta

Deal found 12/26

$451

Wed 1/1412:25 pmJFK - SOU

2 stops15h 00mDelta

Deal found 12/26

$455

Find flight deals from John F Kennedy Intl to Portsmouth

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$624 (Mytrip)
One-way from	$303 (Kiwi.com)
Popular in	February
Cheapest in	August
Average price	$745

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

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($274 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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 2/9

4:45 pm-8:50 am

1 stop11h 05m

Southampton Eastleigh

Mon 2/16

5:35 pm-3:45 pm

1 stop27h 10m

$674

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 3/30

9:10 pm-8:35 am

1 stop30h 25m

Southampton Eastleigh

Tue 4/7

5:20 pm-2:35 pm

1 stop26h 15m

$688

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 2/11

12:25 pm-8:25 am

2 stops15h 00m

Southampton Eastleigh

Wed 2/18

9:25 am-10:30 pm

2 stops18h 05m

$688

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Tue 5/5

10:30 am-8:35 am

2 stops17h 05m

Southampton Eastleigh

Mon 5/11

5:20 pm-12:24 pm

1 stop24h 04m

$692

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Tue 3/31

10:30 pm-4:50 pm

1 stop13h 20m

Southampton Eastleigh

Thu 4/9

5:20 pm-9:41 pm

2 stops33h 21m

$698

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 4/1

11:18 am-4:50 pm

2 stops24h 32m

Southampton Eastleigh

Thu 4/9

5:20 pm-9:41 pm

2 stops33h 21m

$702

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 2/8

9:20 pm-8:50 am

1 stop30h 30m

Southampton Eastleigh

Sun 2/15

5:45 pm-11:30 am

1 stop22h 45m

$724

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Thu 1/8

9:20 pm-5:05 pm

1 stop14h 45m

Southampton Eastleigh

Thu 1/15

9:00 am-3:45 pm

1 stop11h 45m

$724

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 1/11

10:20 am-8:50 am

2 stops17h 30m

Southampton Eastleigh

Sun 1/18

5:45 pm-11:40 am

1 stop22h 55m

$728

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fri 4/3

4:40 pm-8:45 am

1 stop11h 05m

Southampton Eastleigh

Tue 4/7

5:20 pm-5:05 pm

1 stop28h 45m

$738

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 20 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 $282). 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?

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.

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 (88 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (60 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

7.7

Good

1,436 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

KLM

7.7

Good

1,436 reviews

KLM

7.7

Good

1,436 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Aer Lingus

7.2

Good

1,413 reviews

KLM

7.7

Good

1,436 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 30h 25m. 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: Aer Lingus (86%), TAP AIR PORTUGAL (85%), JetBlue (83%).
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 $1,860, our data shows the cheapest flight currently is $209. When looking at the most popular route, (New York John F Kennedy Intl - Southampton Eastleigh), you can expect to pay $674 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 $282). 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.

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$538	FlexibilityNo cancel fee	On-time62%
TAP AIR PORTUGAL	Cheapest$293	Average$558	FlexibilityNo cancel fee	On-timeN/A
Norse Atlantic UK	Cheapest$369	Average$539	FlexibilityNo cancel fee	On-timeN/A
SWISS	Cheapest$378	Average$546	FlexibilityNo cancel fee	On-time79%
KLM	Cheapest$387	Average$760	FlexibilityNo cancel fee	On-time75%
Finnair	Cheapest$401	Average$633	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$408	Average$688	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$434	Average$614	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$443	Average$580	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$451	Average$661	FlexibilityNo cancel fee	On-time71%

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$303+ 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 5/8. 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

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 December 28, 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 December 28, 2025.

Find 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 December 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 December 28, 2025.

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 December 28, 2025.