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Cheap flights from Portsmouth to New York LaGuardia Airport from £354

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LGA
29 Apr — 6 May1
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 24 April 2025.

Round-trip from

£424

One-way from

£354

Popular in

August

Cheapest in

January

Average price

£427
Delta
  • Delta
  • 7/6-14/6
  • 4 total stops
  • 33h 28m total
  • Portsmouth to New York
7/6
  • 7/6
  • 3 total stops
  • 41h 40m total
  • Portsmouth to New York
Highest demand for flights based on searches. 9% potential increase in price (£30 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in April 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 24 April 2025.

Sat 7/609:20SOU - LGA
2 stops18h 43mDelta
Sat 14/613:00LGA - SOU
2 stops14h 45mDelta
Deal found 24/4£424
Tue 29/420:00SOU - LGA
2 stops27h 31mMultiple Airlines
Mon 29/907:25LGA - SOU
2 stops27h 35mMultiple Airlines
Deal found 23/4£772
Wed 30/409:20SOU - LGA
2 stops15h 13mKLM
Wed 7/515:00LGA - SOU
2 stops12h 45mKLM
Deal found 23/4£1,126

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 24 April 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

Sat 7/6

09:20-23:03

2 stops18h 43m

New York LaGuardia

Sat 14/6

13:00-08:45

2 stops14h 45m

£424

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Sat 7/6

09:20-20:59

2 stops16h 39m

New York LaGuardia

Sat 14/6

19:10-19:05

3 stops18h 55m

£976

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Sat 7/6

08:25-21:05

3 stops41h 40m

£354

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 5/5

09:20-07:33

2 stops27h 13m

£1,095

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Wed 7/5

09:20-23:37

2 stops19h 17m

£2,187

Flights are sorted by cheapest return flights first.

Deals found on 23/4

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 24 April 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 24 April 2025.

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

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

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

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

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

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
North Bergen
Elizabeth
Yonkers
Mount Laurel
Bronx
Fort Lee
Secaucus
North Wales
Garden City
Bayonne
Fairfield
Weehawken
Carlstadt
Staten Island
Carteret
Westbury
West New York
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 24 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£320Average£452FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£336Average£414FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£358Average£446FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£366Average£508FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£373Average£487FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£414Average£484FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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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?

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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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