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Portsmouth

Cheap flights to Portsmouth

— LHR
Nov 23 — Nov 301
Mon 11/23
Mon 11/30
1 adult, Economy
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Find flight deals to Portsmouth

Popular in

June

Cheapest in

January

Average price

$774

Round-trip from

$651
Highest demand for flights based on searches. 14% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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From New York to London
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Cheapflights Insights

Everything you need to know about your flight to Portsmouth

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).

How long is the flight to Portsmouth?

On average, a flight from New York to Portsmouth takes 12 hours 56 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.

Reviews of airlines servicing Portsmouth

Get a feel of what it's like to fly with Aer Lingus to the United Kingdom by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,854 reviews

Crew

8.1

Comfort

7.2

Food

6.7

Boarding

7.5

Overall

7.3

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
Aer Lingus
7.3
Good
1,854 reviews
Aer Lingus
7.3
Good
1,854 reviews

Crew

8.1

Comfort

7.2

Food

6.7

Boarding

7.5

Overall

7.3

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.

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, Aer Lingus 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 $107, however they can be found for as little as $72.

  • 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 55 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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