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Cheap flights from Portsmouth to New York LaGuardia Airport from £307

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LGA
31 Mar — 7 Apr1
1 adult

Cheap flight deals from Portsmouth to LaGuardia

Keep the following information in mind while searching for Portsmouth to LaGuardia flight deals. Data was last updated 26 March 2025.

Round-trip from

£424

One-way from

£307

Popular in

August

Cheapest in

January

Average price

£376
Delta
  • Delta
  • 1/5-13/5
  • 4 total stops
  • 29h 51m total
  • Portsmouth to New York
8/5
  • 8/5
  • 3 total stops
  • 55h 25m total
  • Portsmouth to New York
Highest demand for flights based on searches. 9% potential increase in price (£33 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in March 2025

Find flight deals from Portsmouth to LaGuardia

Cheapest flights from Portsmouth to LaGuardia
Explore the most affordable flight options available from Portsmouth to LaGuardia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2025.

Thu 1/509:20SOU - LGA
2 stops17h 06mDelta
Tue 13/515:00LGA - SOU
2 stops12h 45mDelta
Deal found 25/3£424
Fri 9/509:40SOU - LGA
2 stops15h 19mMultiple Airlines
Fri 16/505:56LGA - SOU
3 stops32h 09mMultiple Airlines
Deal found 25/3£910

Cheapflights Fare Finder

Customise your flight search to find flights from Portsmouth to LaGuardia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 March 2025.
Use the filters below to find and compare flights from Portsmouth to New York LaGuardia Airport that are best for you.

Fly from

Portsmouth

Fly to

LaGuardia

Route

Depart

Return

Price

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Thu 1/5

09:20-21:26

2 stops17h 06m

New York LaGuardia

Tue 13/5

15:00-08:45

2 stops12h 45m

£424

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Fri 9/5

09:40-19:59

2 stops15h 19m

New York LaGuardia

Fri 16/5

05:56-19:05

3 stops32h 09m

£910

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Thu 8/5

15:05-17:30

3 stops55h 25m

£307

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 22/4

09:20-07:33

2 stops27h 13m

£1,088

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Best time to book a flight from Portsmouth to LaGuardia

Have a flexible travel schedule? Discover the best time to fly to LaGuardia from Portsmouth with our price prediction graph.
Estimated return 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 from Portsmouth to New York LaGuardia Airport

What is the cheapest month to book a flight from Portsmouth to New York LaGuardia Airport?

Currently, January is the cheapest month in which you can book a flight from Portsmouth to New York LaGuardia Airport (average of £502). Flying from Portsmouth to New York LaGuardia Airport in July is currently the most expensive (average of £765). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from P0R to LGA?

Find hourly flight availability from Portsmouth to LaGuardia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 March 2025.

When flying from Portsmouth to New York LaGuardia Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in LaGuardia by month

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

In terms of precipitation, rainfall in New York LaGuardia Airport ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit New York LaGuardia Airport when rainfall is around 71.0 mm.

Temperature in LaGuardia by month

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

If weather is an important factor for your trip to New York LaGuardia Airport, 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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing LaGuardia

Get insights into the airlines that provide service to LaGuardia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to LaGuardia. Reviews last updated 26 March 2025.

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
8.0
Very Good

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to LaGuardia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find deals for flights from Portsmouth to LaGuardia that include hotel bookings?

    Yes. In addition to deals on Portsmouth to LaGuardia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to LaGuardia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to LaGuardia.

  • Can I find deals for business class flights from Portsmouth to LaGuardia?

    Yes. Cheapflights offers flight deals from Portsmouth to LaGuardia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portsmouth to New York LaGuardia Airport?

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to New York LaGuardia Airport (average of £502). Flying from Portsmouth to New York LaGuardia Airport in July is currently the most expensive (average of £765). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Portsmouth?

Book flights to Portsmouth if you plan to visit one of these locations
Englewood
Queens
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Elizabeth
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Edgewater

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Alternative routes for Portsmouth to LaGuardia

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Portsmouth to LaGuardia

Discover the top 6 airlines that operate flights from Portsmouth to LaGuardia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£345Average£425FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£368Average£449FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£379Average£523FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£383Average£507FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£414Average£496FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£415Average£492FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Portsmouth to LaGuardia?

When you search for this flight from Portsmouth to LaGuardia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to LaGuardia?

Cheapflights helps you find that perfect flight to LaGuardia from Portsmouth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Portsmouth to LaGuardia with no change fees?

Certainly. Search results for flights to LaGuardia from Portsmouth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Portsmouth to LaGuardia become cheaper?

Yes, Cheapflights offers price alerts on Portsmouth to LaGuardia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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