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

For as low as £616, Delta can have you in New York LaGuardia Airport from Portsmouth in 17h 45m. 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.

£423+ 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 23 August 2026.

Wed 18/1108:40 -

2 stops17h 45m

Wed 9/1212:55 -

2 stops14h 15m

Deal found 19/8£616

Tue 29/909:05 -

2 stops17h 12m

Tue 6/1011:00 -

2 stops16h 45m

Deal found 20/8£618

Tue 6/1009:05 -

2 stops17h 28m

Tue 13/1012:00 -

2 stops15h 45m

Deal found 22/8£621

Mon 5/1009:05 -

2 stops18h 19m

Mon 12/1009:00 -

2 stops18h 35m

Deal found 21/8£621

Fri 18/920:00 -

2 stops23h 59m

Fri 25/917:30 -

2 stops21h 00m

Deal found 21/8£674

Wed 16/1208:40 -

2 stops17h 45m

Wed 6/118:00 -

2 stops18h 00m

Deal found 21/8£679

Sat 3/1009:15 -

2 stops16h 33m

Sat 10/1013:59 -

2 stops13h 46m

Deal found 20/8£686

Fri 2/1020:00 -

2 stops23h 59m

Fri 9/1016:45 -

2 stops19h 05m

Deal found 18/8£691

Thu 15/1020:00 -

2 stops23h 59m

Fri 30/1016:20 -

2 stops20h 15m

Deal found 22/8£701

Sat 3/1017:20 -

2 stops27h 40m

Sat 10/1009:25 -

2 stops18h 20m

Deal found 19/8£708

Thu 24/920:00 -

2 stops23h 59m

Mon 28/917:35 -

2 stops20h 55m

Deal found 22/8£722

Find flight deals from Portsmouth to LaGuardia

Round-trip from	£616
One-way from	£423
Popular in	July
Cheapest in	February
Average price	£551

Delta
18/11-9/12
4 total stops
32h 00m total
Portsmouth to New York

Search Deals

14/9
3 total stops
41h 15m total
Portsmouth to New York

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£80 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 August 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.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Wed 18/11

08:40-21:25

2 stops17h 45m

New York LaGuardia

Wed 9/12

12:55-08:10

2 stops14h 15m

£616

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Tue 6/10

09:05-21:33

2 stops17h 28m

New York LaGuardia

Tue 13/10

12:00-08:45

2 stops15h 45m

£621

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Wed 7/10

09:15-21:33

2 stops17h 18m

New York LaGuardia

Wed 14/10

13:59-08:35

2 stops13h 36m

£621

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Mon 5/10

09:05-22:24

2 stops18h 19m

New York LaGuardia

Mon 12/10

09:00-08:35

2 stops18h 35m

£621

Fastest return journey

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Sat 3/10

09:15-20:48

2 stops16h 33m

New York LaGuardia

Sat 10/10

13:59-08:45

2 stops13h 46m

£686

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Fri 2/10

20:00-14:59

2 stops23h 59m

New York LaGuardia

Fri 9/10

16:45-16:50

2 stops19h 05m

£691

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Thu 15/10

20:00-14:59

2 stops23h 59m

New York LaGuardia

Fri 30/10

16:20-16:35

2 stops20h 15m

£701

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Thu 24/9

20:00-14:59

2 stops23h 59m

New York LaGuardia

Mon 28/9

17:35-19:30

2 stops20h 55m

£722

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Sun 11/10

09:15-22:25

2 stops18h 10m

New York LaGuardia

Sun 25/10

18:59-17:00

2 stops18h 01m

£748

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Wed 4/11

09:20-23:37

2 stops19h 17m

New York LaGuardia

Wed 11/11

15:29-08:40

2 stops12h 11m

£785

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 21 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 £616, Delta can have you in New York LaGuardia Airport from Portsmouth in 17h 45m. 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 4 airlines flying from Portsmouth to LaGuardia

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£316	Average£379	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air Canada	Cheapest£336	Average£589	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Virgin Atlantic	Cheapest£341	Average£505	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£347	Average£621	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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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?

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Cheap flights from Portsmouth to New York LaGuardia Airport from £423

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 14/9. 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 23 August 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 23 August 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 23 August 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 23 August 2026.

Last-minute flights from Portsmouth to LaGuardiaDiscover last-minute flight deals from Portsmouth to LaGuardia. Data last updated 23 August 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to LaGuardia. Data last updated 23 August 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 23 August 2026.

Search for one-way flight options from Portsmouth to LaGuardia. Find affordable one-way fares based on user searches. Data last updated 23 August 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 23 August 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 23 August 2026.

Last-minute flights from Portsmouth to LaGuardia
Discover last-minute flight deals from Portsmouth to LaGuardia. Data last updated 23 August 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 23 August 2026.