Find flights
When to book
FAQs

Cheap flights from Portsmouth to New York LaGuardia Airport from £467

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LGA
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 26 February 2026.

Mon 13/409:05
SOU
-
LGA
2 stops17h 15m
Delta
Tue 28/412:00
LGA
-
SOU
2 stops15h 35m
Delta
Deal found 22/2£546
Mon 13/409:05
SOU
-
LGA
3 stops39h 20m
Multiple Airlines
Tue 28/416:30
LGA
-
SOU
2 stops22h 00m
Multiple Airlines
Deal found 22/2£552
Mon 20/409:05
SOU
-
LGA
2 stops18h 14m
Delta
Mon 4/511:54
LGA
-
SOU
2 stops15h 41m
Delta
Deal found 23/2£554
Mon 23/317:40
SOU
-
LGA
2 stops29h 03m
KLM
Mon 30/314:00
LGA
-
SOU
2 stops13h 35m
KLM
Deal found 23/2£577
Thu 12/308:50
SOU
-
LGA
2 stops18h 47m
Delta
Mon 16/313:10
LGA
-
SOU
2 stops15h 10m
Delta
Deal found 24/2£589
Wed 25/308:50
SOU
-
LGA
2 stops16h 11m
Delta
Wed 1/411:00
LGA
-
SOU
2 stops16h 35m
Delta
Deal found 25/2£597
Tue 31/317:20
SOU
-
LGA
2 stops27h 55m
Delta
Mon 6/414:00
LGA
-
SOU
2 stops13h 35m
Delta
Deal found 25/2£620
Mon 30/317:20
SOU
-
LGA
2 stops27h 55m
Delta
Mon 6/414:00
LGA
-
SOU
2 stops13h 35m
Delta
Deal found 25/2£621
Mon 30/317:20
SOU
-
LGA
2 stops27h 55m
Delta
Tue 7/413:00
LGA
-
SOU
2 stops14h 35m
Delta
Deal found 26/2£622

Find 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 February 2026.

Round-trip from

£546

One-way from

£467

Popular in

July

Cheapest in

September

Average price

£366
Delta
  • Delta
  • 13/4-28/4
  • 4 total stops
  • 32h 50m total
  • Portsmouth to New York
Search Deals
British Airways
  • British Airways
  • 19/4
  • 2 total stops
  • 17h 01m total
  • Portsmouth to New York
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 26 February 2026.
Use the filters below to find and compare flights from Portsmouth to New York LaGuardia Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 13/4

09:05-21:20

2 stops17h 15m

New York LaGuardia

Tue 28/4

12:00-08:35

2 stops15h 35m

£546

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 13/4

09:05-19:25

3 stops39h 20m

New York LaGuardia

Tue 28/4

16:30-19:30

2 stops22h 00m

£552

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 20/4

09:05-22:19

2 stops18h 14m

New York LaGuardia

Mon 4/5

11:54-08:35

2 stops15h 41m

£554

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Thu 12/3

08:50-23:37

2 stops18h 47m

New York LaGuardia

Mon 16/3

13:10-08:20

2 stops15h 10m

£589

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Wed 25/3

08:50-21:01

2 stops16h 11m

New York LaGuardia

Wed 1/4

11:00-08:35

2 stops16h 35m

£597

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 31/3

17:20-16:15

2 stops27h 55m

New York LaGuardia

Tue 7/4

13:00-08:35

2 stops14h 35m

£621

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Wed 1/4

09:05-23:37

2 stops19h 32m

New York LaGuardia

Tue 7/4

13:00-08:35

2 stops14h 35m

£633

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Sat 11/4

09:15-21:01

2 stops16h 46m

New York LaGuardia

Sat 18/4

11:54-08:45

2 stops15h 51m

£775

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Sat 11/4

17:20-21:11

2 stops32h 51m

New York LaGuardia

Sat 18/4

16:45-08:40

2 stops34h 55m

£811

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 7/7

09:15-21:10

2 stops16h 55m

£504

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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, May is the cheapest month in which you can book a flight from Portsmouth to New York LaGuardia Airport (average of £311). Flying from Portsmouth to New York LaGuardia Airport in August is currently the most expensive (average of £370). 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.

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 £546, Delta can have you in New York LaGuardia Airport from Portsmouth in 17h 15m. The distance from Portsmouth to New York LaGuardia Airport is about 3412 mi.

  • 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, May is the cheapest month in which you can book a flight from Portsmouth to New York LaGuardia Airport (average of £311). Flying from Portsmouth to New York LaGuardia Airport in August is currently the most expensive (average of £370). 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
Weehawken
Secaucus
Yonkers
Bronx
Elizabeth
Mahwah
North Bergen
Staten Island
Carlstadt
North Wales
Rutherford
Fort Lee
Carteret
West New York
Englewood
Edgewater
Mount Laurel
Westbury

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.

Alternative routes for Portsmouth to LaGuardia

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Heathrow to LaGuardia flights
Gatwick to John F Kennedy Intl flights
London City to John F Kennedy Intl flights
Gatwick to Newark flights
Stansted to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Stansted to Newark flights
Luton to John F Kennedy Intl flights
Luton to Newark flights
London City to Newark flights
Manchester to John F Kennedy Intl flights
Edinburgh to John F Kennedy Intl flights
Edinburgh to Newark flights
Manchester to Newark flights
Manchester to LaGuardia flights
Edinburgh to LaGuardia flights
Stansted to LaGuardia flights
Luton to LaGuardia flights
Birmingham to John F Kennedy Intl flights
Birmingham to Newark flights
Birmingham to LaGuardia flights
Southampton to John F Kennedy Intl flights
Southend to John F Kennedy Intl flights
Southampton to Newark flights
London City to LaGuardia flights
Newcastle upon Tyne to John F Kennedy Intl flights
Bristol to Newark flights
Bristol to John F Kennedy Intl flights
Newcastle upon Tyne to Newark flights
Newcastle upon Tyne to LaGuardia flights
Bristol to LaGuardia flights
Leeds to John F Kennedy Intl flights
Southampton to LaGuardia flights
Liverpool to John F Kennedy Intl flights
Liverpool to Newark flights
Leeds to Newark flights
Southend to Newark flights
Darlington to John F Kennedy Intl flights
Darlington to Newark flights
Darlington to LaGuardia flights
Exeter to John F Kennedy Intl flights
Leeds to LaGuardia flights
Newquay to John F Kennedy Intl flights
Newquay to Newark flights
Exeter to Newark flights
Norwich to LaGuardia flights
Norwich to John F Kennedy Intl flights

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 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£285Average£423FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£319Average£383FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£323Average£352FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£339Average£573FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£344Average£496FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.