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

For as low as £482, Delta can have you in New York LaGuardia Airport from Portsmouth in 17h 47m. The distance from Portsmouth to New York LaGuardia Airport is about 3412 mi.

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.

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).

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

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.

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.

£385+ Cheap Flights from Portsmouth to New York LaGuardia Airport

Cheap flight deals from Portsmouth to LaGuardia

Enter your travel dates to find the best prices.

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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 20 September 2026.

Thu 8/1009:05 -

2 stops18h 20m

Wed 21/1013:59 -

2 stops13h 36m

Deal found 18/9£482

Thu 8/1009:05 -

2 stops18h 20m

Sat 24/1011:55 -

2 stops17h 00m

Deal found 18/9£485

Sat 3/1009:15 -

2 stops17h 25m

Fri 16/1012:00 -

2 stops15h 45m

Deal found 18/9£488

Wed 4/1120:00 -

3 stops30h 31m

Wed 11/1110:35 -

2 stops24h 45m

Deal found 19/9£684

Fri 30/1017:35 -

3 stops31h 55m

Fri 6/1117:35 -

3 stops34h 20m

Deal found 15/9£701

Thu 1/1017:20 -

2 stops32h 48m

Mon 5/1021:29 -

2 stops29h 36m

Deal found 16/9£720

Fri 30/1008:40 -

2 stops16h 08m

Fri 6/1118:59 -

2 stops16h 51m

Deal found 15/9£722

Sun 11/1009:15 -

2 stops19h 12m

Mon 26/1018:59 -

2 stops18h 06m

Deal found 17/9£734

Find flight deals from Portsmouth to LaGuardia

Round-trip from	£482
One-way from	£385
Popular in	July
Cheapest in	February
Average price	£454

Delta
8/10-21/10
4 total stops
31h 56m total
Portsmouth to New York

Search Deals

15/11-31/12
3 total stops
29h 30m total
Portsmouth to New York

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£75 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Cheapest return flight

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Sun 15/11

19:30-20:00

3 stops29h 30m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£385

Fastest return journey

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Sun 22/11

12:25-23:28

2 stops16h 03m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£472

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Mon 2/11

08:40-21:27

2 stops17h 47m

New York LaGuardia

Mon 9/11

18:00-17:05

2 stops18h 05m

£482

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Wed 4/11

08:40-21:33

2 stops17h 53m

New York LaGuardia

Wed 11/11

18:00-17:05

2 stops18h 05m

£482

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Thu 8/10

09:05-22:25

2 stops18h 20m

New York LaGuardia

Sat 24/10

11:55-09:55

2 stops17h 00m

£485

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Sat 3/10

09:15-21:40

2 stops17h 25m

New York LaGuardia

Fri 16/10

12:00-08:45

2 stops15h 45m

£488

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Tue 3/11

08:40-22:25

2 stops18h 45m

New York LaGuardia

Tue 10/11

11:33-08:10

2 stops15h 37m

£488

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Thu 8/10

17:20-23:27

2 stops35h 07m

New York LaGuardia

Sat 24/10

11:55-09:55

2 stops17h 00m

£540

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Sun 11/10

09:15-23:27

2 stops19h 12m

New York LaGuardia

Mon 26/10

13:59-17:05

2 stops23h 06m

£540

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Thu 8/10

09:20-21:13

2 stops16h 53m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£1,003

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 14 resultsSorted by cheapest first

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.

SOU-LGA

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

P0R-LGA

SOU-LGA

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Portsmouth to New York LaGuardia Airport?
For as low as £482, Delta can have you in New York LaGuardia Airport from Portsmouth in 17h 47m. 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.

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Top 3 airlines flying from Portsmouth to LaGuardia

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£347	Average£478	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£348	Average£534	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air Canada	Cheapest£383	Average£532	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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Cheap flights from Portsmouth to New York LaGuardia Airport from £385

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to LaGuardia

Cheapest flights from Portsmouth to LaGuardiaExplore 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 20 September 2026.

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 20 September 2026.

Best flights from Portsmouth to LaGuardiaDiscover carefully curated flight deals from Portsmouth to LaGuardia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Discover carefully curated flight deals from Portsmouth to LaGuardia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Last-minute flights from Portsmouth to LaGuardiaDiscover last-minute flight deals from Portsmouth to LaGuardia. Data last updated 20 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to LaGuardia. Data last updated 20 September 2026 and is based on user searches.

One-way flights from Portsmouth to LaGuardiaSearch for one-way flight options from Portsmouth to LaGuardia. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Search for one-way flight options from Portsmouth to LaGuardia. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

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Related info for your journey

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

Can I find deals for flights from Portsmouth to LaGuardia that include hotel bookings?

How can I find direct flights from Portsmouth to LaGuardia?

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

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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 20 September 2026.

Best flights from Portsmouth to LaGuardia
Discover carefully curated flight deals from Portsmouth to LaGuardia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Last-minute flights from Portsmouth to LaGuardia
Discover last-minute flight deals from Portsmouth to LaGuardia. Data last updated 20 September 2026 and is based on user searches.

One-way flights from Portsmouth to LaGuardia
Search for one-way flight options from Portsmouth to LaGuardia. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.