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 $89, however they can be found for as little as $38.

Where does the fastest flight to Portsmouth depart from?

For those looking to save time traveling to Portsmouth, Hartford Bradley Intl offers the quickest one-way flight (9 hours 0 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).

$274+ Flights to Portsmouth

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights to Portsmouth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Flights to Portsmouth in 2025

Popular in	December
Cheapest in	January
Average price	$580
Round-trip from	$380
One-way from	$274

Highest demand for flights based on searches. 5% 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 April 2025

Search Deals

From New York to London

Search Deals

One-way flight from New York to Portsmouth

Search Deals

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 April 10, 2025.

Thu 5/111:00 pmEWR - SOU

1 stop14h 55mMultiple Airlines

Mon 5/128:05 amSOU - EWR

1 stop17h 55mMultiple Airlines

Deal found 4/9$595

Thu 5/112:15 amJFK - SOU

1 stop13h 40mMultiple Airlines

Mon 5/128:05 amSOU - JFK

1 stop19h 10mMultiple Airlines

Deal found 4/9$619

Mon 4/2812:50 amJFK - SOU

1 stop26h 55mDelta

Fri 5/99:20 amSOU - JFK

1 stop11h 05mDelta

Deal found 4/9$757

Thu 5/2911:40 amLGA - SOU

2 stops22h 55mMultiple Airlines

Fri 6/138:00 pmSOU - LGA

2 stops25h 58mMultiple Airlines

Deal found 4/9$795

Mon 6/167:00 pmJFK - SOU

2 stops16h 15mAer Lingus

Sat 6/288:55 amSOU - JFK

2 stops37h 20mAer Lingus

Deal found 4/10$806

Mon 4/2112:50 amJFK - SOU

1 stop26h 55mKLM

Sun 5/49:20 amSOU - JFK

1 stop18h 30mKLM

Deal found 4/9$827

Sat 5/310:00 amLGA - SOU

2 stops17h 45mDelta

Mon 5/129:20 amSOU - LGA

2 stops15h 35mDelta

Deal found 4/9$872

Wed 4/305:30 pmEWR - SOU

1 stop10h 10mAer Lingus

Tue 5/139:10 amSOU - EWR

1 stop11h 50mAer Lingus

Deal found 4/9$934

Tue 4/2212:46 pmEWR - SOU

2 stops14h 59mDelta

Sun 5/49:20 amSOU - EWR

2 stops15h 32mDelta

Deal found 4/10$977

Sun 5/181:59 pmLGA - SOU

2 stops13h 46mKLM

Mon 6/25:35 pmSOU - LGA

2 stops27h 09mKLM

Deal found 4/10$1,002

Fri 5/25:30 pmJFK - SOU

1 stop10h 15mVirgin Atlantic

Sun 5/119:20 amSOU - JFK

1 stop18h 30mVirgin Atlantic

Deal found 4/9$1,012

Sat 5/245:00 pmLGA - SOU

2 stops34h 45mVirgin Atlantic

Sat 5/316:05 pmSOU - LGA

2 stops31h 25mVirgin Atlantic

Deal found 4/9$1,062

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 April 10, 2025.

Thu 5/111:00 pmEWR - SOU

1 stop14h 55mMultiple Airlines

Mon 5/128:05 amSOU - EWR

1 stop17h 55mMultiple Airlines

Deal found 4/9$595

Mon 4/2812:50 amJFK - SOU

1 stop26h 55mDelta

Tue 5/135:35 pmSOU - JFK

1 stop23h 45mDelta

Deal found 4/9$757

Mon 6/167:00 pmJFK - SOU

2 stops16h 15mAer Lingus

Sat 6/288:55 amSOU - JFK

2 stops37h 20mAer Lingus

Deal found 4/10$806

Mon 4/2112:50 amJFK - SOU

1 stop26h 55mKLM

Sun 5/49:20 amSOU - JFK

1 stop18h 30mKLM

Deal found 4/9$827

Fri 5/25:30 pmJFK - SOU

1 stop10h 15mVirgin Atlantic

Sun 5/119:20 amSOU - JFK

1 stop18h 30mVirgin Atlantic

Deal found 4/9$1,012

Thu 5/112:15 amJFK - SOU

1 stop13h 40mMultiple Airlines

Mon 5/128:05 amSOU - JFK

1 stop19h 10mMultiple Airlines

Deal found 4/9$619

Sat 5/310:00 amLGA - SOU

2 stops17h 45mDelta

Mon 5/129:20 amSOU - LGA

2 stops15h 35mDelta

Deal found 4/9$872

Thu 5/2911:40 amLGA - SOU

2 stops22h 55mMultiple Airlines

Fri 6/138:00 pmSOU - LGA

2 stops25h 58mMultiple Airlines

Deal found 4/9$795

Wed 4/305:30 pmEWR - SOU

1 stop10h 10mAer Lingus

Tue 5/139:10 amSOU - EWR

1 stop11h 50mAer Lingus

Deal found 4/9$934

Thu 5/84:55 pmJFK - SOU

1 stop10h 45mBritish Airways

Fri 5/912:30 pmSOU - JFK

2 stops15h 00mBritish Airways

Deal found 4/9$1,966

Sun 5/181:59 pmLGA - SOU

2 stops13h 46mKLM

Mon 6/25:35 pmSOU - LGA

2 stops27h 09mKLM

Deal found 4/10$1,002

Sat 5/245:00 pmLGA - SOU

2 stops34h 45mVirgin Atlantic

Sat 5/316:05 pmSOU - LGA

2 stops31h 25mVirgin Atlantic

Deal found 4/9$1,062

Last-minute flights to Portsmouth
Discover last-minute flight deals to Portsmouth. Data last updated April 10, 2025 and is based on user searches.

Wed 4/1611:29 amJFK - SOU

2 stops16h 16mDelta

Thu 4/249:20 amSOU - JFK

1 stop11h 05mDelta

Deal found 4/9$762

Sun 4/209:30 pmJFK - SOU

2 stops13h 30mBritish Airways

Sun 4/279:10 amSOU - JFK

1 stop15h 10mBritish Airways

Deal found 4/9$2,122

Sun 4/205:30 pmEWR - SOU

1 stop10h 40mBritish Airways

Sun 4/278:45 amSOU - EWR

2 stops15h 40mBritish Airways

Deal found 4/9$2,140

Mon 4/2112:50 amJFK - SOU

1 stop26h 55mKLM

Sun 5/49:20 amSOU - JFK

1 stop18h 30mKLM

Deal found 4/10$827

Tue 4/2212:46 pmEWR - SOU

2 stops14h 59mDelta

Sun 5/49:20 amSOU - EWR

2 stops15h 32mDelta

Deal found 4/10$977

Mon 4/2812:50 amJFK - SOU

1 stop26h 55mDelta

Mon 5/129:20 amSOU - JFK

1 stop32h 00mDelta

Deal found 4/9$757

Wed 4/305:30 pmEWR - SOU

1 stop10h 10mAer Lingus

Tue 5/139:10 amSOU - EWR

1 stop11h 50mAer Lingus

Deal found 4/9$934

Thu 5/111:00 pmEWR - SOU

1 stop14h 55mMultiple Airlines

Mon 5/128:05 amSOU - EWR

1 stop17h 55mMultiple Airlines

Deal found 4/9$595

Thu 5/112:15 amJFK - SOU

1 stop13h 40mMultiple Airlines

Mon 5/128:05 amSOU - JFK

1 stop19h 10mMultiple Airlines

Deal found 4/9$619

Sat 5/310:00 amLGA - SOU

2 stops17h 45mDelta

Mon 5/129:20 amSOU - LGA

2 stops15h 35mDelta

Deal found 4/9$872

Sun 5/181:59 pmLGA - SOU

2 stops13h 46mKLM

Mon 6/25:35 pmSOU - LGA

2 stops27h 09mKLM

Deal found 4/10$1,002

Wed 5/219:29 amJFK - SOU

2 stops18h 16mVirgin Atlantic

Sat 5/319:20 amSOU - JFK

1 stop14h 45mVirgin Atlantic

Deal found 4/8$1,055

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 April 10, 2025.

Wed 10/16:20 pmJFK - SOU

2 stops15h 00mMultiple Airlines

Deal found 4/9$274

Wed 10/111:00 pmEWR - SOU

2 stops28h 40mMultiple Airlines

Deal found 4/9$334

Mon 7/2812:50 amJFK - SOU

1 stop11h 10mDelta

Deal found 4/9$480

Wed 10/14:00 pmLGA - SOU

2 stops11h 45mKLM

Deal found 4/9$485

Sat 7/1210:59 pmJFK - SOU

2 stops36h 46mAer Lingus

Deal found 4/9$525

Sat 7/125:30 pmEWR - SOU

1 stop10h 05mAer Lingus

Deal found 4/9$562

Fri 7/1112:50 amJFK - SOU

1 stop11h 10mKLM

Deal found 4/9$712

Sat 7/1212:00 pmLGA - SOU

2 stops15h 45mDelta

Deal found 4/9$717

Sat 7/121:25 pmEWR - SOU

2 stops14h 20mDelta

Deal found 4/9$717

Wed 10/15:30 pmLGA - SOU

3 stops57h 00mMultiple Airlines

Deal found 4/9$1,278

Cheapflights Fare Finder

Use the filters below to find and compare flights to Portsmouth that are best for you.

Fly from

Route

Depart

Return

Price

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Thu 5/1

11:00 pm-6:55 pm

1 stop14h 55m

Southampton Eastleigh

Mon 5/12

8:05 am-9:00 pm

1 stop17h 55m

$595

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Thu 5/1

12:15 am-6:55 pm

1 stop13h 40m

Southampton Eastleigh

Mon 5/12

8:05 am-10:15 pm

1 stop19h 10m

$619

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 4/28

12:50 am-8:45 am

1 stop26h 55m

Southampton Eastleigh

Tue 5/13

5:35 pm-12:20 pm

1 stop23h 45m

$757

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Thu 5/29

11:40 am-3:35 pm

2 stops22h 55m

Southampton Eastleigh

Fri 6/13

8:00 pm-4:58 pm

2 stops25h 58m

$795

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 6/16

7:00 pm-4:15 pm

2 stops16h 15m

Southampton Eastleigh

Sat 6/28

8:55 am-5:15 pm

2 stops37h 20m

$806

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 4/21

12:50 am-8:45 am

1 stop26h 55m

Southampton Eastleigh

Sun 5/4

9:20 am-10:50 pm

1 stop18h 30m

$827

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Sat 5/3

10:00 am-8:45 am

2 stops17h 45m

Southampton Eastleigh

Mon 5/12

9:20 am-7:55 pm

2 stops15h 35m

$872

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Wed 4/30

5:30 pm-8:40 am

1 stop10h 10m

Southampton Eastleigh

Tue 5/13

9:10 am-4:00 pm

1 stop11h 50m

$934

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Tue 4/22

12:46 pm-8:45 am

2 stops14h 59m

Southampton Eastleigh

Sun 5/4

9:20 am-7:52 pm

2 stops15h 32m

$977

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Sun 5/18

1:59 pm-8:45 am

2 stops13h 46m

Southampton Eastleigh

Mon 6/2

5:35 pm-3:44 pm

2 stops27h 09m

$1,002

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 26 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.

Cheapflights Insights

Everything you need to know about your flight to Portsmouth

How long is the flight to Portsmouth?

On average, a flight from New York to Portsmouth takes 12 hours 5 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 Monday (168 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (154 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 Virgin Atlantic. 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

7,910 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

7,910 reviews

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Virgin Atlantic

7.4

Good

641 reviews

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Aer Lingus

7.0

Good

1,060 reviews

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

British Airways

6.6

Okay

6,735 reviews

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

FAQs about flying to Portsmouth

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 $89, however they can be found for as little as $38.
Where does the fastest flight to Portsmouth depart from?
For those looking to save time traveling to Portsmouth, Hartford Bradley Intl offers the quickest one-way flight (9 hours 0 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

Browse thousands of different options on Cheapflights for your next trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$274+ 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 10/1. 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 April 10, 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 April 10, 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 April 10, 2025.

Cheapflights Fare Finder

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 April 10, 2025.

Use the filters below to find and compare flights to Portsmouth that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight to Portsmouth

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 Virgin Atlantic. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

FAQs about flying to Portsmouth

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.

100% Free

Book with Flexibility

Travel Smart

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 April 10, 2025.