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 $750, however they can be found for as little as $56.

Where does the fastest flight to Portsmouth depart from?

For those looking to save time traveling to Portsmouth, Boston Logan Intl offers the quickest one-way flight (9 hours 5 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 is the closest property to London Heathrow (0.0 mi away from London Heathrow).

$408+ Flights to Portsmouth

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Flights to Portsmouth in 2025

Popular in	December
Cheapest in	January
Average price	$581
Round-trip from	$438
One-way from	$408

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

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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 April 29, 2025.

Mon 5/264:55 pmJFK - SOU

1 stop10h 20mAer Lingus

Wed 6/119:10 amSOU - JFK

1 stop15h 10mAer Lingus

Deal found 4/27$749

Sun 8/1012:50 amJFK - SOU

1 stop27h 00mDelta

Mon 8/255:35 pmSOU - JFK

1 stop23h 40mDelta

Deal found 4/27$765

Mon 5/129:29 amJFK - SOU

2 stops18h 21mVirgin Atlantic

Fri 8/299:20 amSOU - JFK

1 stop18h 30mVirgin Atlantic

Deal found 4/28$772

Sun 9/73:00 pmLGA - SOU

2 stops12h 45mKLM

Tue 9/169:20 amSOU - LGA

2 stops15h 14mKLM

Deal found 4/27$780

Sun 9/72:46 pmJFK - SOU

2 stops12h 59mKLM

Tue 9/169:20 amSOU - JFK

2 stops14h 21mKLM

Deal found 4/27$780

Wed 5/78:25 pmJFK - SOU

3 stops18h 50mMultiple Airlines

Thu 5/223:05 pmSOU - JFK

2 stops36h 10mMultiple Airlines

Deal found 4/27$796

Wed 6/410:50 pmEWR - SOU

2 stops28h 50mMultiple Airlines

Fri 6/274:15 pmSOU - EWR

1 stop11h 15mMultiple Airlines

Deal found 4/28$844

Mon 5/127:15 pmSWF - SOU

3 stops19h 15mMultiple Airlines

Fri 8/294:25 pmSOU - SWF

3 stops30h 40mMultiple Airlines

Deal found 4/28$911

Sat 8/3012:00 pmLGA - SOU

2 stops15h 45mDelta

Wed 9/109:20 amSOU - LGA

2 stops15h 15mDelta

Deal found 4/28$918

Thu 8/145:30 pmEWR - SOU

1 stop10h 10mAer Lingus

Mon 9/18:00 pmSOU - EWR

1 stop25h 00mAer Lingus

Deal found 4/28$933

Mon 5/124:45 pmLGA - SOU

2 stops21h 45mMultiple Airlines

Fri 8/298:40 amSOU - LGA

2 stops29h 15mMultiple Airlines

Deal found 4/28$1,035

Tue 11/119:15 pmJFK - SOU

1 stop17h 25mBritish Airways

Thu 11/206:50 amSOU - JFK

1 stop15h 30mBritish Airways

Deal found 4/27$1,470

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 29, 2025.

Mon 5/264:55 pmJFK - SOU

1 stop10h 20mAer Lingus

Wed 6/119:10 amSOU - JFK

1 stop15h 10mAer Lingus

Deal found 4/27$749

Sun 8/1012:50 amJFK - SOU

1 stop27h 00mDelta

Wed 8/275:35 pmSOU - JFK

1 stop10h 15mDelta

Deal found 4/27$765

Mon 5/129:29 amJFK - SOU

2 stops18h 21mVirgin Atlantic

Fri 8/299:20 amSOU - JFK

1 stop18h 30mVirgin Atlantic

Deal found 4/28$772

Sun 9/73:00 pmLGA - SOU

2 stops12h 45mKLM

Tue 9/169:20 amSOU - LGA

2 stops15h 14mKLM

Deal found 4/27$780

Wed 6/410:50 pmEWR - SOU

2 stops28h 50mMultiple Airlines

Fri 6/274:15 pmSOU - EWR

1 stop11h 15mMultiple Airlines

Deal found 4/28$844

Sun 9/72:46 pmJFK - SOU

2 stops12h 59mKLM

Tue 9/169:20 amSOU - JFK

2 stops14h 21mKLM

Deal found 4/27$780

Fri 7/45:55 pmEWR - SOU

2 stops13h 00mBritish Airways

Sun 7/134:45 pmSOU - EWR

2 stops26h 10mBritish Airways

Deal found 4/28$1,683

Mon 5/123:40 pmJFK - SOU

2 stops22h 50mMultiple Airlines

Thu 5/159:40 amSOU - JFK

2 stops31h 15mMultiple Airlines

Deal found 4/28$854

Sat 8/3012:00 pmLGA - SOU

2 stops15h 45mDelta

Wed 9/109:20 amSOU - LGA

2 stops15h 15mDelta

Deal found 4/28$918

Thu 8/145:30 pmEWR - SOU

1 stop10h 10mAer Lingus

Mon 9/18:00 pmSOU - EWR

1 stop25h 00mAer Lingus

Deal found 4/28$933

Mon 5/127:15 pmSWF - SOU

3 stops19h 15mMultiple Airlines

Fri 8/294:25 pmSOU - SWF

3 stops30h 40mMultiple Airlines

Deal found 4/28$911

Mon 5/124:45 pmLGA - SOU

2 stops21h 45mMultiple Airlines

Fri 8/298:40 amSOU - LGA

2 stops29h 15mMultiple Airlines

Deal found 4/28$1,035

Last-minute flights to Portsmouth
Discover last-minute flight deals to Portsmouth. Data last updated April 29, 2025 and is based on user searches.

Sun 5/412:50 amJFK - SOU

1 stop27h 00mDelta

Mon 5/199:20 amSOU - JFK

1 stop32h 00mDelta

Deal found 4/28$1,075

Tue 5/66:30 pmJFK - SOU

2 stops12h 30mBritish Airways

Fri 5/169:40 amSOU - JFK

1 stop14h 40mBritish Airways

Deal found 4/28$2,079

Tue 5/65:55 pmEWR - SOU

2 stops13h 05mBritish Airways

Tue 5/139:10 amSOU - EWR

1 stop11h 50mBritish Airways

Deal found 4/28$2,079

Wed 5/78:25 pmJFK - SOU

3 stops18h 50mMultiple Airlines

Thu 5/223:05 pmSOU - JFK

2 stops36h 10mMultiple Airlines

Deal found 4/27$796

Wed 5/79:10 pmJFK - SOU

1 stop30h 35mVirgin Atlantic

Thu 5/229:20 amSOU - JFK

1 stop11h 05mVirgin Atlantic

Deal found 4/27$1,057

Wed 5/73:00 pmLGA - SOU

2 stops12h 45mKLM

Thu 5/229:20 amSOU - LGA

2 stops15h 35mKLM

Deal found 4/27$1,080

Sun 5/1112:50 amJFK - SOU

1 stop11h 10mKLM

Fri 8/299:20 amSOU - JFK

1 stop11h 05mKLM

Deal found 4/28$765

Mon 5/129:29 amJFK - SOU

2 stops18h 21mVirgin Atlantic

Fri 8/299:20 amSOU - JFK

1 stop18h 30mVirgin Atlantic

Deal found 4/28$772

Mon 5/1211:00 pmEWR - SOU

2 stops28h 05mMultiple Airlines

Fri 8/294:15 pmSOU - EWR

1 stop11h 15mMultiple Airlines

Deal found 4/28$910

Mon 5/127:15 pmSWF - SOU

3 stops19h 15mMultiple Airlines

Fri 8/294:25 pmSOU - SWF

3 stops30h 40mMultiple Airlines

Deal found 4/28$911

Mon 5/125:30 pmEWR - SOU

1 stop9h 45mAer Lingus

Fri 8/298:00 pmSOU - EWR

1 stop25h 00mAer Lingus

Deal found 4/28$956

Mon 5/124:45 pmLGA - SOU

2 stops21h 45mMultiple Airlines

Fri 8/298:40 amSOU - LGA

2 stops29h 15mMultiple Airlines

Deal found 4/28$1,035

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 29, 2025.

Thu 6/1211:00 pmEWR - SOU

1 stop14h 55mMultiple Airlines

Deal found 4/28$408

Sat 5/107:15 pmSWF - SOU

3 stops35h 05mMultiple Airlines

Deal found 4/27$419

Sat 5/1011:10 pmJFK - SOU

3 stops52h 05mMultiple Airlines

Deal found 4/27$454

Sun 7/276:20 pmJFK - SOU

1 stop18h 30mDelta

Deal found 4/27$487

Sun 7/271:59 pmLGA - SOU

2 stops13h 46mDelta

Deal found 4/27$492

Sun 7/278:10 amEWR - SOU

2 stops19h 35mDelta

Deal found 4/27$492

Sat 5/108:10 pmJFK - SOU

2 stops32h 00mAer Lingus

Deal found 4/27$550

Thu 6/125:30 pmLGA - SOU

2 stops17h 05mMultiple Airlines

Deal found 4/28$557

Fri 7/1112:50 amJFK - SOU

1 stop11h 10mKLM

Deal found 4/28$675

Sat 7/125:30 pmEWR - SOU

1 stop10h 05mAer Lingus

Deal found 4/28$679

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

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 5/26

4:55 pm-8:15 am

1 stop10h 20m

Southampton Eastleigh

Wed 6/11

9:10 am-7:20 pm

1 stop15h 10m

$749

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 8/10

12:50 am-8:50 am

1 stop27h 00m

Southampton Eastleigh

Mon 8/25

5:35 pm-12:15 pm

1 stop23h 40m

$765

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 5/12

9:29 am-8:50 am

2 stops18h 21m

Southampton Eastleigh

Fri 8/29

9:20 am-10:50 pm

1 stop18h 30m

$772

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Sun 9/7

3:00 pm-8:45 am

2 stops12h 45m

Southampton Eastleigh

Tue 9/16

9:20 am-7:34 pm

2 stops15h 14m

$780

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 9/7

2:46 pm-8:45 am

2 stops12h 59m

Southampton Eastleigh

Tue 9/16

9:20 am-6:41 pm

2 stops14h 21m

$780

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Wed 6/4

10:50 pm-8:40 am

2 stops28h 50m

Southampton Eastleigh

Fri 6/27

4:15 pm-10:30 pm

1 stop11h 15m

$844

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 5/12

3:40 pm-7:30 pm

2 stops22h 50m

Southampton Eastleigh

Thu 5/15

9:40 am-11:55 am

2 stops31h 15m

$854

New WindsorSouthampton

SWF - SOU

SWFSOU

New Windsor Stewart

Mon 5/12

7:15 pm-7:30 pm

3 stops19h 15m

Southampton Eastleigh

Fri 8/29

4:25 pm-6:05 pm

3 stops30h 40m

$911

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Sat 8/30

12:00 pm-8:45 am

2 stops15h 45m

Southampton Eastleigh

Wed 9/10

9:20 am-7:35 pm

2 stops15h 15m

$918

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Thu 8/14

5:30 pm-8:40 am

1 stop10h 10m

Southampton Eastleigh

Mon 9/1

8:00 pm-4:00 pm

1 stop25h 00m

$933

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 25 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 16 hours 6 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 Thursday (172 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (158 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 $673

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

7,929 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

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Aer Lingus

7.0

Good

1,076 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

British Airways

6.6

Okay

6,830 reviews

Delta

8.0

Very good

7,929 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 $750, however they can be found for as little as $56.
Where does the fastest flight to Portsmouth depart from?
For those looking to save time traveling to Portsmouth, Boston Logan Intl offers the quickest one-way flight (9 hours 5 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 is the closest property to London Heathrow (0.0 mi away from London Heathrow).

See more FAQs

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$408+ 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 6/12. 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 April 29, 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 29, 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 29, 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 29, 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.

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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 April 29, 2025.