What is the cheapest month to fly to Portsmouth?

Currently, the cheapest month for flights to Portsmouth is November . The most expensive month for flights is June . The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

Can I find cheaper flights to Portsmouth if I am willing to have layovers?

Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Portsmouth on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Portsmouth?

Based on reviews from Cheapflights users, Scandinavian Airlines is rated the highest out of the airlines that fly to Portsmouth.

How much is a round-trip flight to Portsmouth?

A round-trip flight to Portsmouth will typically cost around $602, however they can be found for as little as $48.

Where does the fastest flight to Portsmouth depart from?

For those looking to save time traveling to Portsmouth, New York offers the quickest one-way flight (9 hours 35 minutes).

Does London Heathrow have rental cars?

Yes. Those touching down at London Heathrow can take advantage of the rental car services offered upon their arrival.

Are there hotels close to London Heathrow?

Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow, Terminal 2 & Terminal 3 is the closest property to London Heathrow (0.0 mi away from London Heathrow).

$653+ Flights to Portsmouth

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Flights to Portsmouth in 2025

Popular in	December
Cheapest in	October
Average price	$555
Round-trip from	$329
One-way from	$653

Highest demand for flights based on searches. 2% potential increase in price.

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

From New York to London

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One-way flight from New York to Portsmouth

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Find flight deals to Portsmouth

Cheapest flights to Portsmouth
Explore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on February 4, 2025.

Wed 3/197:15 pmSWF - SOU

3 stops20h 25mMultiple Airlines

Wed 3/267:55 pmSOU - SWF

2 stops26h 10mMultiple Airlines

Deal found 2/4$697

Wed 3/196:40 pmEWR - SOU

1 stop10h 05mAer Lingus

Wed 3/269:30 amSOU - EWR

1 stop11h 40mAer Lingus

Deal found 2/4$701

Tue 3/1812:55 amEWR - SOU

2 stops27h 50mMultiple Airlines

Wed 3/269:30 amSOU - EWR

2 stops35h 00mMultiple Airlines

Deal found 2/4$712

Wed 3/126:00 pmJFK - SOU

1 stop10h 45mAer Lingus

Wed 3/199:30 amSOU - JFK

1 stop14h 55mAer Lingus

Deal found 2/3$723

Wed 3/1210:05 amJFK - SOU

3 stops25h 30mMultiple Airlines

Wed 3/199:30 amSOU - JFK

2 stops32h 35mMultiple Airlines

Deal found 2/3$768

Sun 8/3112:50 amJFK - SOU

1 stop11h 10mDelta

Thu 9/115:35 pmSOU - JFK

1 stop26h 50mDelta

Deal found 2/3$1,057

Fri 8/157:15 pmJFK - SOU

1 stop32h 30mKLM

Tue 8/265:35 pmSOU - JFK

1 stop26h 50mKLM

Deal found 2/3$1,114

Mon 3/176:45 pmLGA - SOU

3 stops34h 00mMultiple Airlines

Mon 3/248:30 amSOU - LGA

3 stops41h 03mMultiple Airlines

Deal found 2/3$1,128

Wed 3/1910:59 amLGA - SOU

2 stops17h 31mDelta

Wed 3/269:00 amSOU - LGA

2 stops18h 41mDelta

Deal found 2/4$1,155

Wed 3/191:15 pmEWR - SOU

2 stops15h 15mDelta

Wed 3/269:00 amSOU - EWR

2 stops18h 00mDelta

Deal found 2/4$1,155

Mon 3/175:00 pmLGA - SOU

2 stops19h 50mKLM

Mon 3/249:00 amSOU - LGA

2 stops18h 39mKLM

Deal found 2/3$1,203

Sun 2/95:40 pmEWR - SOU

1 stop10h 05mBritish Airways

Thu 2/134:30 pmSOU - EWR

2 stops26h 30mBritish Airways

Deal found 2/2$2,107

Best flights to Portsmouth
Discover carefully curated flight deals to Portsmouth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2025.

Wed 3/197:15 pmSWF - SOU

3 stops20h 25mMultiple Airlines

Wed 3/267:55 pmSOU - SWF

2 stops26h 10mMultiple Airlines

Deal found 2/4$697

Wed 3/196:40 pmEWR - SOU

1 stop10h 05mAer Lingus

Wed 3/269:30 amSOU - EWR

1 stop11h 40mAer Lingus

Deal found 2/4$701

Wed 3/1910:59 amLGA - SOU

2 stops17h 31mDelta

Wed 3/269:00 amSOU - LGA

2 stops18h 41mDelta

Deal found 2/4$1,155

Mon 3/175:00 pmLGA - SOU

2 stops19h 50mKLM

Mon 3/249:00 amSOU - LGA

2 stops18h 39mKLM

Deal found 2/3$1,203

Tue 3/1812:55 amEWR - SOU

2 stops27h 50mMultiple Airlines

Wed 3/269:30 amSOU - EWR

2 stops35h 00mMultiple Airlines

Deal found 2/4$712

Wed 3/126:00 pmJFK - SOU

1 stop10h 45mAer Lingus

Wed 3/199:30 amSOU - JFK

1 stop14h 55mAer Lingus

Deal found 2/3$723

Wed 3/1210:05 amJFK - SOU

3 stops25h 30mMultiple Airlines

Wed 3/199:30 amSOU - JFK

2 stops32h 35mMultiple Airlines

Deal found 2/3$768

Wed 3/191:15 pmEWR - SOU

2 stops15h 15mDelta

Wed 3/269:00 amSOU - EWR

2 stops18h 00mDelta

Deal found 2/4$1,155

Mon 3/176:45 pmLGA - SOU

3 stops34h 00mMultiple Airlines

Mon 3/248:30 amSOU - LGA

3 stops41h 03mMultiple Airlines

Deal found 2/3$1,128

Thu 2/205:50 pmJFK - SOU

1 stop9h 35mDelta

Mon 2/245:20 pmSOU - JFK

1 stop25h 02mDelta

Deal found 2/3$1,791

Last-minute flights to Portsmouth
Discover last-minute flight deals to Portsmouth. Data last updated February 4, 2025 and is based on user searches.

Sun 2/95:40 pmEWR - SOU

1 stop10h 05mBritish Airways

Thu 2/134:30 pmSOU - EWR

2 stops26h 30mBritish Airways

Deal found 2/2$2,107

Sun 2/91:00 pmEWR - SOU

2 stops14h 25mDelta

Thu 2/139:00 amSOU - EWR

2 stops17h 00mDelta

Deal found 2/2$2,306

Thu 2/1312:59 pmJFK - SOU

2 stops14h 26mDelta

Wed 2/195:20 pmSOU - JFK

1 stop23h 09mDelta

Deal found 2/3$1,846

Thu 2/1312:59 pmLGA - SOU

2 stops14h 26mDelta

Wed 2/195:20 pmSOU - LGA

2 stops29h 08mDelta

Deal found 2/3$1,856

Thu 2/205:50 pmJFK - SOU

1 stop9h 35mDelta

Mon 2/245:20 pmSOU - JFK

1 stop25h 02mDelta

Deal found 2/3$1,791

Wed 3/126:00 pmJFK - SOU

1 stop10h 45mAer Lingus

Wed 3/199:30 amSOU - JFK

1 stop14h 55mAer Lingus

Deal found 2/3$723

Wed 3/1210:05 amJFK - SOU

3 stops25h 30mMultiple Airlines

Wed 3/199:30 amSOU - JFK

2 stops32h 35mMultiple Airlines

Deal found 2/3$768

Mon 3/176:45 pmLGA - SOU

3 stops34h 00mMultiple Airlines

Mon 3/248:30 amSOU - LGA

3 stops41h 03mMultiple Airlines

Deal found 2/3$1,128

Mon 3/175:00 pmLGA - SOU

2 stops19h 50mKLM

Mon 3/249:00 amSOU - LGA

2 stops18h 39mKLM

Deal found 2/3$1,203

Tue 3/1812:55 amEWR - SOU

2 stops27h 50mMultiple Airlines

Wed 3/269:30 amSOU - EWR

2 stops35h 00mMultiple Airlines

Deal found 2/4$712

Wed 3/197:15 pmSWF - SOU

3 stops20h 25mMultiple Airlines

Wed 3/267:55 pmSOU - SWF

2 stops26h 10mMultiple Airlines

Deal found 2/4$697

Wed 3/196:40 pmEWR - SOU

1 stop10h 05mAer Lingus

Wed 3/269:30 amSOU - EWR

1 stop11h 40mAer Lingus

Deal found 2/4$701

One-way flights to Portsmouth
Search for one-way flight options to Portsmouth. Find affordable one-way fares based on user searches. Data last updated February 4, 2025.

Sat 7/125:30 pmEWR - SOU

1 stop10h 10mAer Lingus

Deal found 2/3$653

Tue 3/44:35 pmJFK - SOU

1 stop19h 15mDelta

Deal found 2/4$671

Sun 8/32:45 pmEWR - SOU

2 stops21h 15mDelta

Deal found 2/3$719

Sat 7/126:20 pmLGA - SOU

2 stops17h 40mDelta

Deal found 2/3$779

Find flights to Portsmouth within your budget

Fly from

Route

Depart

Return

Price

New WindsorSouthampton

SWF - SOU

SWFSOU

New Windsor Stewart

Wed 3/19

7:15 pm-7:40 pm

3 stops20h 25m

Southampton Eastleigh

Wed 3/26

7:55 pm-6:05 pm

2 stops26h 10m

$697

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Wed 3/19

6:40 pm-8:45 am

1 stop10h 05m

Southampton Eastleigh

Wed 3/26

9:30 am-5:10 pm

1 stop11h 40m

$701

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Tue 3/18

12:55 am-8:45 am

2 stops27h 50m

Southampton Eastleigh

Wed 3/26

9:30 am-4:30 pm

2 stops35h 00m

$712

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 3/12

6:00 pm-8:45 am

1 stop10h 45m

Southampton Eastleigh

Wed 3/19

9:30 am-8:25 pm

1 stop14h 55m

$723

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 3/12

10:05 am-3:35 pm

3 stops25h 30m

Southampton Eastleigh

Wed 3/19

9:30 am-2:05 pm

2 stops32h 35m

$768

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Mon 3/17

6:45 pm-8:45 am

3 stops34h 00m

Southampton Eastleigh

Mon 3/24

8:30 am-9:33 pm

3 stops41h 03m

$1,128

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Wed 3/19

10:59 am-8:30 am

2 stops17h 31m

Southampton Eastleigh

Wed 3/26

9:00 am-11:41 pm

2 stops18h 41m

$1,155

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Wed 3/19

1:15 pm-8:30 am

2 stops15h 15m

Southampton Eastleigh

Wed 3/26

9:00 am-11:00 pm

2 stops18h 00m

$1,155

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Mon 3/17

5:00 pm-4:50 pm

2 stops19h 50m

Southampton Eastleigh

Mon 3/24

9:00 am-11:39 pm

2 stops18h 39m

$1,203

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fri 5/9

12:50 am-8:45 am

1 stop26h 55m

Southampton Eastleigh

Sat 5/24

5:35 pm-3:25 pm

1 stop26h 50m

$1,373

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 17 results

Best time to book a flight to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth 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.

Travel insights for flights to Portsmouth

Get recent, data-driven insights about flights to Portsmouth including ideal travel times, pricing trends, and more.

How long is the flight to Portsmouth?

On average, a flight from New York to Portsmouth takes 12 hours 8 minutes. Flights to Portsmouth from other popular cities in USA will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Portsmouth?

Users looking for the lowest fares to Portsmouth should consider flying on Monday at noon, when prices are typically cheapest. Budget-minded travelers will want to avoid Saturday evenings, when prices are usually at their highest.

Weekly flight availability to Portsmouth

The most flights from New York to Portsmouth are scheduled on a Tuesday (150 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (124 on average).

What are the most popular airlines that fly to Portsmouth?

The most popular airlines flying from New York to Portsmouth are Aer Lingus and KLM.

Aer Lingus

From $632

KLM

From $800

What are the cheapest airlines that fly to Portsmouth?

The cheapest airlines flying from New York to Portsmouth are Aer Lingus and KLM.

Rainfall in Portsmouth 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

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

To help decide which airline to fly to Portsmouth, see what other customers have to say about Delta, KLM and Aer Lingus. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,415 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

8,415 reviews

Delta

8.0

Very good

8,415 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

8,415 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Aer Lingus

7.1

Good

1,070 reviews

Delta

8.0

Very good

8,415 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Can I find cheaper flights to Portsmouth if I am willing to have layovers?
Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Portsmouth on Cheapflights that require 1 or 2 stops for potential cost savings.
What is the best airline to fly to Portsmouth?
Based on reviews from Cheapflights users, Scandinavian Airlines is rated the highest out of the airlines that fly to Portsmouth.
How much is a round-trip flight to Portsmouth?
A round-trip flight to Portsmouth will typically cost around $602, however they can be found for as little as $48.
Where does the fastest flight to Portsmouth depart from?
For those looking to save time traveling to Portsmouth, New York offers the quickest one-way flight (9 hours 35 minutes).
Does London Heathrow have rental cars?
Yes. Those touching down at London Heathrow can take advantage of the rental car services offered upon their arrival.
Are there hotels close to London Heathrow?
Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow, Terminal 2 & Terminal 3 is the closest property to London Heathrow (0.0 mi away from London Heathrow).

See more FAQs

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$653+ Cheap flights to Portsmouth

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.

Find cheap flights to Portsmouth with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Flights to Portsmouth in 2025

Find the latest flights to Portsmouth in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on February 4, 2025.

Popular in

Cheapest in

Average price

Round-trip from

One-way from

Find flight deals to Portsmouth

Cheapest flights to PortsmouthExplore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on February 4, 2025.

Explore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on February 4, 2025.

Find flights to Portsmouth within your budget

Locate flights to Portsmouth that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on February 4, 2025.

Best time to book a flight to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth with our price prediction graph.

Travel insights for flights to Portsmouth

Get recent, data-driven insights about flights to Portsmouth including ideal travel times, pricing trends, and more.

How long is the flight to Portsmouth?

When is the cheapest time to fly to Portsmouth?

Use this chart to determine the cheapest time to fly round-trip from New York to Portsmouth. Price data was last updated on September 8, 2024.

Weekly flight availability to Portsmouth

What are the most popular airlines that fly to Portsmouth?

What are the cheapest airlines that fly to Portsmouth?

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

Reviews of airlines servicing Portsmouth

To help decide which airline to fly to Portsmouth, see what other customers have to say about Delta, KLM and Aer Lingus. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Can I find cheaper flights to Portsmouth if I am willing to have layovers?

What is the best airline to fly to Portsmouth?

How much is a round-trip flight to Portsmouth?

Where does the fastest flight to Portsmouth depart from?

Does London Heathrow have rental cars?

Are there hotels close to London Heathrow?

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.

Search flights to Portsmouth by cabin class

Find flights to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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Cheapest flights to Portsmouth
Explore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on February 4, 2025.