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Cheap flights from Portsmouth to New York LaGuardia Airport from £408

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LGA
22 Jun — 29 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 23 May 2026.

Mon 13/709:15
SOU
-
LGA
2 stops18h 06m
Delta
Mon 27/709:00
LGA
-
SOU
2 stops18h 45m
Delta
Deal found 21/5£642
Mon 15/609:05
SOU
-
LGA
2 stops18h 17m
Delta
Mon 22/611:58
LGA
-
SOU
2 stops15h 37m
Delta
Deal found 18/5£644
Wed 1/709:05
SOU
-
LGA
2 stops17h 17m
Delta
Wed 8/711:58
LGA
-
SOU
2 stops15h 47m
Delta
Deal found 21/5£647
Thu 2/709:05
SOU
-
LGA
2 stops17h 17m
Delta
Thu 9/712:00
LGA
-
SOU
2 stops15h 45m
Delta
Deal found 18/5£666
Fri 30/1008:40
SOU
-
LGA
2 stops18h 54m
Delta
Sun 1/1109:10
LGA
-
SOU
2 stops18h 00m
Delta
Deal found 23/5£694
Mon 6/709:15
SOU
-
LGA
2 stops18h 07m
Delta
Sun 12/713:00
LGA
-
SOU
2 stops14h 45m
Delta
Deal found 22/5£702
Mon 8/609:05
SOU
-
LGA
2 stops18h 17m
Delta
Tue 23/611:58
LGA
-
SOU
2 stops15h 37m
Delta
Deal found 19/5£707
Tue 16/609:05
SOU
-
LGA
2 stops18h 24m
Delta
Tue 23/611:58
LGA
-
SOU
2 stops15h 37m
Delta
Deal found 19/5£715

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 23 May 2026.

Round-trip from

£642

One-way from

£408

Popular in

July

Cheapest in

September

Average price

£447
Delta
  • Delta
  • 13/7-27/7
  • 4 total stops
  • 36h 51m total
  • Portsmouth to New York
Search Deals
5/6
  • 5/6
  • 3 total stops
  • 41h 55m total
  • Portsmouth to New York
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% 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 23 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

Mon 13/7

09:15-22:21

2 stops18h 06m

New York LaGuardia

Mon 27/7

10:00-08:45

2 stops17h 45m

£642

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Wed 1/7

09:05-21:22

2 stops17h 17m

New York LaGuardia

Wed 8/7

11:58-08:45

2 stops15h 47m

£647

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Thu 2/7

09:05-21:22

2 stops17h 17m

New York LaGuardia

Thu 9/7

10:59-08:45

2 stops16h 46m

£666

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Fri 30/10

08:40-23:34

2 stops18h 54m

New York LaGuardia

Sun 1/11

09:10-08:10

2 stops18h 00m

£694
Fastest return journey

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 6/7

09:15-22:22

2 stops18h 07m

New York LaGuardia

Sun 12/7

13:00-08:45

2 stops14h 45m

£702

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 8/6

09:05-22:22

2 stops18h 17m

New York LaGuardia

Tue 23/6

11:58-08:35

2 stops15h 37m

£707
Cheapest one-way

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Fri 5/6

20:00-08:55

3 stops41h 55m

£408
Fastest single journey

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Sat 27/6

07:50-19:00

2 stops16h 10m

£427

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 18/8

20:00-19:25

2 stops28h 25m

£497

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Tue 21/7

09:15-21:11

2 stops16h 56m

£689

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 14 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 £642, Delta can have you in New York LaGuardia Airport from Portsmouth in 18h 06m. 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
Yonkers
Bronx
Mahwah
Secaucus
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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Newcastle upon Tyne to John F Kennedy Intl flights
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Leeds to Newark flights
Southend to Newark flights
London City to LaGuardia flights
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Liverpool to Newark flights
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Bristol to LaGuardia flights
Darlington to John F Kennedy Intl flights
Southampton to LaGuardia flights
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Newquay to John F Kennedy Intl flights
Newquay to LaGuardia flights
Darlington to Newark flights
Darlington to LaGuardia flights
East Midlands to John F Kennedy Intl flights
Exeter to John F Kennedy Intl flights
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Norwich to LaGuardia 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 23 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£274Average£490FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£321Average£417FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£325Average£348FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£336Average£531FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£347Average£513FlexibilityNo 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.

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