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Cheap flights from Portsmouth to New York LaGuardia Airport from £440

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LGA
9 Jun — 16 Jun1
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 10 May 2026.

Wed 1/709:05
SOU
-
LGA
2 stops17h 55m
Delta
Sun 5/721:59
LGA
-
SOU
2 stops29h 46m
Delta
Deal found 7/5£667
Mon 8/609:05
SOU
-
LGA
2 stops18h 17m
Delta
Mon 15/617:00
LGA
-
SOU
2 stops18h 50m
Delta
Deal found 7/5£681
Mon 22/609:05
SOU
-
LGA
2 stops17h 17m
Delta
Mon 29/611:10
LGA
-
SOU
2 stops16h 25m
Delta
Deal found 8/5£699
Mon 8/609:20
SOU
-
LGA
2 stops18h 16m
Multiple Airlines
Mon 15/609:55
LGA
-
SOU
3 stops28h 35m
Multiple Airlines
Deal found 7/5£701
Wed 27/509:05
SOU
-
LGA
2 stops16h 25m
Delta
Tue 13/1014:00
LGA
-
SOU
2 stops13h 35m
Delta
Deal found 6/5£712
Mon 1/609:20
SOU
-
LGA
2 stops18h 16m
Multiple Airlines
Sun 7/609:55
LGA
-
SOU
2 stops28h 35m
Multiple Airlines
Deal found 5/5£714
Tue 19/509:05
SOU
-
LGA
2 stops17h 17m
Delta
Mon 25/511:00
LGA
-
SOU
2 stops16h 35m
Delta
Deal found 5/5£728
Sat 13/617:20
SOU
-
LGA
2 stops31h 29m
Virgin Atlantic
Fri 26/614:29
LGA
-
SOU
2 stops21h 21m
Virgin Atlantic
Deal found 7/5£730
Thu 21/509:05
SOU
-
LGA
2 stops18h 15m
Delta
Wed 3/611:54
LGA
-
SOU
2 stops15h 41m
Delta
Deal found 5/5£733
Sat 13/609:20
SOU
-
LGA
2 stops18h 16m
Multiple Airlines
Fri 26/610:40
LGA
-
SOU
2 stops27h 50m
Multiple Airlines
Deal found 4/5£772

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 10 May 2026.

Round-trip from

£667

One-way from

£440

Popular in

July

Cheapest in

September

Average price

£429
Delta
  • Delta
  • 1/7-5/7
  • 4 total stops
  • 47h 41m total
  • Portsmouth to New York
Search Deals
2/7
  • 2/7
  • 3 total stops
  • 46h 30m total
  • Portsmouth to New York
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£20 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 May 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 10 May 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

Cheapest return flight

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Wed 1/7

09:05-22:00

2 stops17h 55m

New York LaGuardia

Sun 5/7

21:59-08:45

2 stops29h 46m

£667

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 8/6

09:05-22:22

2 stops18h 17m

New York LaGuardia

Mon 15/6

17:00-16:50

2 stops18h 50m

£681
Fastest return journey

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Wed 27/5

09:05-20:00

2 stops15h 55m

New York LaGuardia

Mon 12/10

14:00-08:35

2 stops13h 35m

£712

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 19/5

09:05-21:22

2 stops17h 17m

New York LaGuardia

Thu 28/5

13:00-08:35

2 stops14h 35m

£728

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 1/6

09:20-08:01

3 stops27h 41m

New York LaGuardia

Sun 7/6

09:55-16:50

2 stops25h 55m

£740

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 14/7

09:15-21:00

2 stops16h 45m

New York LaGuardia

Wed 22/7

13:59-08:45

2 stops13h 46m

£830

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 14/7

09:15-21:00

2 stops16h 45m

New York LaGuardia

Tue 21/7

13:00-08:45

2 stops14h 45m

£830

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Fri 22/5

09:05-22:20

2 stops18h 15m

New York LaGuardia

Mon 25/5

17:00-16:50

2 stops18h 50m

£835

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Thu 28/5

09:20-21:11

2 stops16h 51m

New York LaGuardia

Mon 1/6

21:21-08:05

2 stops29h 44m

£866
Cheapest one-way

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Thu 2/7

15:25-08:55

3 stops46h 30m

£440

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Showing 1-10 of 16 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
No data available for this route at this time. Please check back soon.

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 £667, Delta can have you in New York LaGuardia Airport from Portsmouth in 17h 55m. 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.

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
Ronkonkoma
Weehawken
Secaucus
Yonkers
Bronx
Mahwah
North Bergen
North Wales
Rutherford
Staten Island
Carlstadt
Fort Lee
Norwalk
Elizabeth
Rahway
Carteret
West New York
Englewood
Edgewater

Browse thousands of different options on Cheapflights for your next trip

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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 10 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£317Average£411FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£321Average£345FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£331Average£474FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£341Average£475FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£342Average£483FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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