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

For as low as £531, British Airways can have you in New York LaGuardia Airport from Portsmouth in 16h 58m. 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.

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.

£441+ 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 10 September 2026.

Tue 20/1009:15 -

2 stops16h 58m

Tue 27/1013:02 -

2 stops15h 48m

Deal found 5/9£531

Tue 6/1009:15 -

2 stops16h 58m

Tue 13/1015:51 -

3 stops35h 49m

Deal found 8/9£534

Wed 21/1009:15 -

2 stops17h 18m

Wed 28/1012:59 -

2 stops15h 11m

Deal found 6/9£534

Tue 20/1009:05 -

2 stops17h 28m

Tue 27/1012:59 -

2 stops15h 11m

Deal found 9/9£535

Thu 24/909:05 -

2 stops17h 35m

Mon 28/910:59 -

2 stops16h 36m

Deal found 8/9£536

Fri 25/909:05 -

2 stops18h 19m

Thu 1/1011:20 -

2 stops16h 15m

Deal found 8/9£536

Sun 4/1017:20 -

2 stops35h 06m

Sat 10/1018:00 -

2 stops33h 35m

Deal found 5/9£569

Sat 24/1009:20 -

2 stops17h 22m

Sat 31/1011:55 -

2 stops17h 00m

Deal found 9/9£641

Sun 18/1017:20 -

2 stops31h 25m

Tue 3/1107:30 -

2 stops19h 40m

Deal found 5/9£649

Sun 11/1009:15 -

2 stops19h 18m

Tue 27/1017:05 -

2 stops35h 05m

Deal found 7/9£680

Sat 3/1009:15 -

2 stops16h 33m

Sat 10/1013:59 -

2 stops13h 46m

Deal found 5/9£689

Tue 20/1009:15 -

3 stops18h 21m

Tue 27/1016:30 -

3 stops23h 00m

Deal found 5/9£700

Find flight deals from Portsmouth to LaGuardia

Round-trip from	£531
One-way from	£441
Popular in	July
Cheapest in	February
Average price	£421

British Airways
20/10-27/10
4 total stops
32h 46m total
Portsmouth to New York

Search Deals

24/10-31/12
3 total stops
43h 25m total
Portsmouth to New York

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£78 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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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

Sat 24/10

18:15-08:40

3 stops43h 25m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£441

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Wed 2/12

09:20-21:29

2 stops17h 09m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£460

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Thu 15/10

20:00-19:25

3 stops28h 25m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£460

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Mon 1/2

09:20-21:29

2 stops17h 09m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£466

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Sun 6/12

20:00-21:29

2 stops30h 29m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£467

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Thu 3/12

20:00-21:29

2 stops30h 29m

New York LaGuardia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£515

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Tue 20/10

09:15-21:13

2 stops16h 58m

New York LaGuardia

Tue 27/10

13:02-08:50

2 stops15h 48m

£531

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Tue 6/10

09:15-21:13

2 stops16h 58m

New York LaGuardia

Tue 13/10

15:51-08:40

3 stops35h 49m

£534

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Wed 21/10

09:15-21:33

2 stops17h 18m

New York LaGuardia

Wed 28/10

12:59-08:10

2 stops15h 11m

£534

SouthamptonNew York

SOU Southampton Eastleigh - LGA New York LaGuardia

SOULGA

Southampton Eastleigh

Tue 20/10

09:05-21:33

2 stops17h 28m

New York LaGuardia

Tue 27/10

12:59-08:10

2 stops15h 11m

£535

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 22 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.

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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 £531, British Airways can have you in New York LaGuardia Airport from Portsmouth in 16h 58m. 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.

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Top 3 airlines flying from Portsmouth to LaGuardia

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£343	Average£450	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£344	Average£528	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air Canada	Cheapest£412	Average£590	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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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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Cheap flights from Portsmouth to New York LaGuardia Airport from £441

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/10. 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 10 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 10 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 10 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 10 September 2026.

Last-minute flights from Portsmouth to LaGuardiaDiscover last-minute flight deals from Portsmouth to LaGuardia. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to LaGuardia. Data last updated 10 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 10 September 2026.

Search for one-way flight options from Portsmouth to LaGuardia. Find affordable one-way fares based on user searches. Data last updated 10 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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Can Cheapflights find flights from Portsmouth to LaGuardia with no change fees?

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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 10 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 10 September 2026.

Last-minute flights from Portsmouth to LaGuardia
Discover last-minute flight deals from Portsmouth to LaGuardia. Data last updated 10 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 10 September 2026.