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Cheap flights from Portsmouth to New York LaGuardia Airport from £514

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LGA
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to LaGuardia

Enter your travel dates to find the best prices.

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 31 October 2025.

Mon 17/1108:40SOU - LGA
2 stops18h 55mDelta
Wed 3/1212:10LGA - SOU
2 stops15h 10mDelta
Deal found 29/10£613
Sat 22/1109:30SOU - LGA
2 stops16h 56mBritish Airways
Thu 4/1213:25LGA - SOU
2 stops14h 20mBritish Airways
Deal found 29/10£688
Mon 17/1118:05SOU - LGA
3 stops29h 58mMultiple Airlines
Wed 3/1217:35LGA - SOU
3 stops33h 30mMultiple Airlines
Deal found 29/10£720
Fri 12/1209:30SOU - LGA
2 stops16h 59mBritish Airways
Mon 15/1213:25LGA - SOU
2 stops21h 10mBritish Airways
Deal found 28/10£738
Wed 10/1208:40SOU - LGA
2 stops17h 48mDelta
Wed 17/1211:33LGA - SOU
2 stops15h 47mDelta
Deal found 30/10£782
Sat 13/1209:25SOU - LGA
2 stops15h 59mDelta
Wed 17/1211:00LGA - SOU
2 stops16h 20mDelta
Deal found 29/10£813
Sun 9/1109:30SOU - LGA
2 stops16h 56mBritish Airways
Mon 1/1213:20LGA - SOU
2 stops21h 15mBritish Airways
Deal found 30/10£836
Fri 12/1209:30SOU - LGA
2 stops16h 59mBritish Airways
Wed 7/113:13LGA - SOU
2 stops14h 32mBritish Airways
Deal found 29/10£845
Fri 26/1209:30SOU - LGA
2 stops17h 00mBritish Airways
Thu 1/113:30LGA - SOU
2 stops14h 15mBritish Airways
Deal found 29/10£1,058
Mon 3/1109:30SOU - LGA
2 stops16h 56mBritish Airways
Mon 10/1113:20LGA - SOU
2 stops17h 35mBritish Airways
Deal found 29/10£1,185
Thu 11/1209:30SOU - LGA
2 stops16h 59mBritish Airways
Tue 6/113:13LGA - SOU
2 stops17h 42mBritish Airways
Deal found 30/10£1,276
Sat 13/1209:25SOU - LGA
2 stops15h 59mDelta
Sat 20/1211:30LGA - SOU
2 stops16h 20mDelta
Deal found 29/10£1,295

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 31 October 2025.

Round-trip from

£613

One-way from

£514

Popular in

December

Cheapest in

September

Average price

£423
Delta
  • Delta
  • 17/11-3/12
  • 4 total stops
  • 34h 05m total
  • Portsmouth to New York
Search Deals
British Airways
  • British Airways
  • 3/1
  • 2 total stops
  • 16h 55m total
  • Portsmouth to New York
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 31 October 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

Mon 17/11

08:40-22:35

2 stops18h 55m

New York LaGuardia

Wed 3/12

12:10-08:20

2 stops15h 10m

£613

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Thu 15/1

09:30-21:29

2 stops16h 59m

New York LaGuardia

Thu 12/2

13:12-08:45

2 stops14h 33m

£666

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Sat 22/11

09:30-21:26

2 stops16h 56m

New York LaGuardia

Thu 4/12

13:25-08:45

2 stops14h 20m

£688

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 17/11

18:05-19:03

3 stops29h 58m

New York LaGuardia

Wed 3/12

17:35-08:05

3 stops33h 30m

£720

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Fri 12/12

09:30-21:29

2 stops16h 59m

New York LaGuardia

Mon 15/12

13:25-15:35

2 stops21h 10m

£738

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Wed 10/12

08:40-21:28

2 stops17h 48m

New York LaGuardia

Wed 17/12

11:33-08:20

2 stops15h 47m

£782

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Fri 27/3

08:40-23:48

2 stops19h 08m

New York LaGuardia

Tue 31/3

16:00-08:50

2 stops11h 50m

£785

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Sat 13/12

09:25-20:24

2 stops15h 59m

New York LaGuardia

Wed 17/12

11:00-08:20

2 stops16h 20m

£813

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Fri 12/12

09:30-21:29

2 stops16h 59m

New York LaGuardia

Wed 7/1

13:13-08:45

2 stops14h 32m

£845

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Sat 3/1

09:30-21:25

2 stops16h 55m

£514

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 18 results
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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, February is the cheapest month in which you can book a flight from Portsmouth to New York LaGuardia Airport (average of £310). Flying from Portsmouth to New York LaGuardia Airport in August is currently the most expensive (average of £380). 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 31 October 2025.

A simple way to save on the total cost of your ticket is to fly from Portsmouth to New York LaGuardia Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the morning.

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.

  • How long is the flight from Portsmouth to New York LaGuardia Airport?

    For as low as £666, Delta can have you in New York LaGuardia Airport from Portsmouth in 16h 59m. The distance from Portsmouth to New York LaGuardia Airport is about 3412 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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, February is the cheapest month in which you can book a flight from Portsmouth to New York LaGuardia Airport (average of £310). Flying from Portsmouth to New York LaGuardia Airport in August is currently the most expensive (average of £380). 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 New York LaGuardia Airport?

Book flights to New York LaGuardia Airport if you plan to visit one of these locations
Queens
Elizabeth
Bronx
Secaucus
Weehawken
Yonkers
Mahwah
Carlstadt
North Bergen
Staten Island
North Wales
Fort Lee
Rutherford
Carteret
Englewood
West New York
Edgewater
Mount Laurel
Westbury

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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.
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Top 5 airlines flying from Portsmouth to LaGuardia

Discover the top 5 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 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£311Average£431FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£336Average£370FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£353Average£425FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£353Average£432FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£359Average£493FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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