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 $472, however they can be found for as little as $46.

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 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 is the closest property to London Heathrow (0.0 mi away from London Heathrow).

$284+ Flights to Portsmouth

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Flights to Portsmouth in 2025

Popular in	June
Cheapest in	January
Average price	$696
Round-trip from	$512
One-way from	$284

Highest demand for flights based on searches. 12% potential increase in price ($77 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 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 June 12, 2025.

Sun 7/137:45 amEWR - SOU

2 stops30h 45mMultiple Airlines

Wed 7/238:00 pmSOU - EWR

2 stops28h 55mMultiple Airlines

Deal found 6/10$594

Sun 7/133:55 pmJFK - SOU

2 stops22h 35mMultiple Airlines

Wed 7/239:10 amSOU - JFK

2 stops32h 40mMultiple Airlines

Deal found 6/10$627

Wed 9/32:50 pmJFK - SOU

2 stops12h 50mAer Lingus

Wed 9/109:10 amSOU - JFK

1 stop15h 10mAer Lingus

Deal found 6/12$629

Sun 7/2711:40 amLGA - SOU

2 stops26h 50mMultiple Airlines

Sun 8/38:00 pmSOU - LGA

2 stops30h 30mMultiple Airlines

Deal found 6/12$658

Wed 9/36:25 pmJFK - SOU

1 stop17h 35mKLM

Wed 9/105:35 pmSOU - JFK

1 stop26h 50mKLM

Deal found 6/12$662

Sun 9/75:30 pmJFK - SOU

1 stop10h 15mDelta

Mon 9/295:35 pmSOU - JFK

1 stop24h 55mDelta

Deal found 6/11$663

Wed 9/31:59 pmLGA - SOU

2 stops13h 46mDelta

Wed 9/109:20 amSOU - LGA

2 stops16h 12mDelta

Deal found 6/12$677

Wed 9/39:36 amJFK - SOU

2 stops18h 09mVirgin Atlantic

Wed 9/109:20 amSOU - JFK

2 stops18h 08mVirgin Atlantic

Deal found 6/12$677

Sun 7/135:30 pmEWR - SOU

1 stop10h 40mAer Lingus

Wed 7/239:10 amSOU - EWR

1 stop11h 50mAer Lingus

Deal found 6/10$724

Fri 8/228:25 amEWR - SOU

2 stops43h 20mDelta

Mon 9/15:35 pmSOU - EWR

2 stops43h 10mDelta

Deal found 6/10$727

Sat 9/273:00 pmLGA - SOU

2 stops12h 45mKLM

Wed 10/89:20 amSOU - LGA

2 stops15h 14mKLM

Deal found 6/11$728

Fri 9/1212:00 pmEWR - SOU

2 stops15h 45mKLM

Sat 9/276:05 pmSOU - EWR

2 stops25h 55mKLM

Deal found 6/9$1,278

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 June 12, 2025.

Sun 7/137:45 amEWR - SOU

2 stops30h 45mMultiple Airlines

Wed 7/238:00 pmSOU - EWR

2 stops28h 55mMultiple Airlines

Deal found 6/10$594

Wed 9/32:50 pmJFK - SOU

2 stops12h 50mAer Lingus

Wed 9/109:10 amSOU - JFK

1 stop15h 10mAer Lingus

Deal found 6/12$629

Wed 9/36:25 pmJFK - SOU

1 stop17h 35mKLM

Wed 9/105:35 pmSOU - JFK

1 stop26h 50mKLM

Deal found 6/12$662

Sun 9/712:50 amJFK - SOU

1 stop11h 10mDelta

Tue 9/309:20 amSOU - JFK

1 stop14h 45mDelta

Deal found 6/11$663

Wed 9/39:36 amJFK - SOU

2 stops18h 09mVirgin Atlantic

Wed 9/109:20 amSOU - JFK

2 stops18h 08mVirgin Atlantic

Deal found 6/12$677

Sun 7/133:55 pmJFK - SOU

2 stops22h 35mMultiple Airlines

Wed 7/239:10 amSOU - JFK

2 stops32h 40mMultiple Airlines

Deal found 6/10$627

Wed 9/31:59 pmLGA - SOU

2 stops13h 46mDelta

Wed 9/109:20 amSOU - LGA

2 stops16h 12mDelta

Deal found 6/12$677

Sun 7/2711:40 amLGA - SOU

2 stops26h 50mMultiple Airlines

Sun 8/38:00 pmSOU - LGA

2 stops30h 30mMultiple Airlines

Deal found 6/12$658

Sun 7/135:30 pmEWR - SOU

1 stop10h 40mAer Lingus

Wed 7/239:10 amSOU - EWR

1 stop11h 50mAer Lingus

Deal found 6/10$724

Sat 9/273:00 pmLGA - SOU

2 stops12h 45mKLM

Wed 10/89:20 amSOU - LGA

2 stops15h 14mKLM

Deal found 6/11$728

Fri 11/75:00 pmJFK - SOU

1 stop10h 45mBritish Airways

Mon 11/106:50 amSOU - JFK

1 stop15h 30mBritish Airways

Deal found 6/10$1,534

Fri 8/228:25 amEWR - SOU

2 stops43h 20mDelta

Mon 9/15:35 pmSOU - EWR

2 stops43h 10mDelta

Deal found 6/10$727

Last-minute flights to Portsmouth
Discover last-minute flight deals to Portsmouth. Data last updated June 12, 2025 and is based on user searches.

Mon 6/1612:31 pmEWR - SOU

2 stops15h 19mDelta

Sat 6/289:20 amSOU - EWR

2 stops19h 09mDelta

Deal found 6/10$848

Sat 6/216:10 pmJFK - SOU

2 stops12h 50mBritish Airways

Fri 8/89:40 amSOU - JFK

1 stop14h 40mBritish Airways

Deal found 6/11$2,713

Sat 6/215:55 pmEWR - SOU

2 stops13h 05mBritish Airways

Wed 7/29:10 amSOU - EWR

1 stop11h 50mBritish Airways

Deal found 6/10$3,022

Sun 6/2212:50 amJFK - SOU

1 stop12h 00mDelta

Mon 9/155:35 pmSOU - JFK

1 stop23h 45mDelta

Deal found 6/11$713

Wed 6/2512:50 amJFK - SOU

1 stop12h 00mKLM

Sun 6/295:35 pmSOU - JFK

1 stop24h 45mKLM

Deal found 6/12$902

Wed 7/912:59 pmLGA - SOU

2 stops14h 46mDelta

Wed 7/169:20 amSOU - LGA

2 stops16h 10mDelta

Deal found 6/10$752

Sun 7/137:45 amEWR - SOU

2 stops30h 45mMultiple Airlines

Wed 7/238:00 pmSOU - EWR

2 stops28h 55mMultiple Airlines

Deal found 6/10$594

Sun 7/133:55 pmJFK - SOU

2 stops22h 35mMultiple Airlines

Wed 7/239:10 amSOU - JFK

2 stops32h 40mMultiple Airlines

Deal found 6/10$627

Sun 7/135:30 pmEWR - SOU

1 stop10h 40mAer Lingus

Wed 7/239:10 amSOU - EWR

1 stop11h 50mAer Lingus

Deal found 6/10$724

Fri 7/255:30 pmJFK - SOU

1 stop10h 15mVirgin Atlantic

Fri 8/19:20 amSOU - JFK

1 stop18h 30mVirgin Atlantic

Deal found 6/9$759

Sat 7/2612:00 pmLGA - SOU

2 stops15h 45mKLM

Sat 8/29:20 amSOU - LGA

2 stops16h 58mKLM

Deal found 6/11$1,146

Sun 7/2711:40 amLGA - SOU

2 stops26h 50mMultiple Airlines

Sun 8/38:00 pmSOU - LGA

2 stops30h 30mMultiple Airlines

Deal found 6/12$658

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 June 12, 2025.

Thu 8/2111:00 pmEWR - SOU

1 stop11h 40mMultiple Airlines

Deal found 6/11$284

Fri 8/2911:55 pmJFK - SOU

2 stops52h 15mMultiple Airlines

Deal found 6/11$289

Thu 8/2110:30 amLGA - SOU

2 stops24h 05mMultiple Airlines

Deal found 6/11$458

Sat 9/69:05 pmJFK - SOU

1 stop31h 05mAer Lingus

Deal found 6/10$491

Sun 10/55:30 pmEWR - SOU

1 stop10h 40mAer Lingus

Deal found 6/9$496

Sat 9/135:30 pmJFK - SOU

2 stops34h 15mDelta

Deal found 6/10$507

Sun 8/178:11 amEWR - SOU

2 stops28h 39mDelta

Deal found 6/11$528

Wed 8/2012:50 amJFK - SOU

1 stop12h 00mKLM

Deal found 6/11$574

Sat 7/126:05 pmLGA - SOU

2 stops17h 55mDelta

Deal found 6/10$658

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

Sun 7/13

7:45 am-7:30 pm

2 stops30h 45m

Southampton Eastleigh

Wed 7/23

8:00 pm-7:55 pm

2 stops28h 55m

$594

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 7/13

3:55 pm-7:30 pm

2 stops22h 35m

Southampton Eastleigh

Wed 7/23

9:10 am-12:50 pm

2 stops32h 40m

$627

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 9/3

2:50 pm-8:40 am

2 stops12h 50m

Southampton Eastleigh

Wed 9/10

9:10 am-7:20 pm

1 stop15h 10m

$629

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Sun 7/27

11:40 am-7:30 pm

2 stops26h 50m

Southampton Eastleigh

Sun 8/3

8:00 pm-9:30 pm

2 stops30h 30m

$658

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 9/3

6:25 pm-5:00 pm

1 stop17h 35m

Southampton Eastleigh

Wed 9/10

5:35 pm-3:25 pm

1 stop26h 50m

$662

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 9/7

5:30 pm-8:45 am

1 stop10h 15m

Southampton Eastleigh

Mon 9/29

5:35 pm-1:30 pm

1 stop24h 55m

$663

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 9/3

9:36 am-8:45 am

2 stops18h 09m

Southampton Eastleigh

Wed 9/10

9:20 am-10:28 pm

2 stops18h 08m

$677

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Wed 9/3

1:59 pm-8:45 am

2 stops13h 46m

Southampton Eastleigh

Wed 9/10

9:20 am-8:32 pm

2 stops16h 12m

$677

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Sun 7/13

5:30 pm-9:10 am

1 stop10h 40m

Southampton Eastleigh

Wed 7/23

9:10 am-4:00 pm

1 stop11h 50m

$724

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Fri 8/22

8:25 am-8:45 am

2 stops43h 20m

Southampton Eastleigh

Mon 9/1

5:35 pm-7:45 am

2 stops43h 10m

$727

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 23 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 13 hours 3 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 Wednesday (172 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (150 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.

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

7,950 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

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Virgin Atlantic

7.4

Good

652 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Aer Lingus

7.1

Good

1,117 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

British Airways

6.6

Okay

7,008 reviews

Delta

8.0

Very good

7,950 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 $472, however they can be found for as little as $46.
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 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 is the closest property to London Heathrow (0.0 mi away from London Heathrow).

See more FAQs

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$284+ 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 8/21. 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 June 12, 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 June 12, 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 June 12, 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 June 12, 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 June 12, 2025.