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LaGuardia

$393+ Cheap flights from Portugal to LaGuardia, NY (LGA)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — LGA
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Portugal to LaGuardia

Keep the following information in mind while searching for Portugal to LaGuardia flight deals. Data was last updated August 14, 2025.

Round-trip from

$525
(Mytrip)

One-way from

$393
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$700
From Portugal to New York LaGuardia
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One-way flight from Portugal to New York LaGuardia
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Highest demand for flights based on searches. 16% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Portugal to LaGuardia

Cheapest flights from Portugal to LaGuardia
Explore the most affordable flight options available from Portugal to LaGuardia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1812:55 pmLIS - LGA
1 stop12h 04mAir Canada
Sat 9/276:50 pmLGA - LIS
1 stop11h 15mAir Canada
Deal found 8/12$525
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:00 amOPO - LGA
2 stops17h 17mUnited Airlines
Mon 9/86:00 amLGA - OPO
2 stops22h 35mUnited Airlines
Deal found 8/13$525
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1312:55 pmLIS - LGA
1 stop14h 39mUnited Airlines
Wed 9/243:30 pmLGA - LIS
1 stop12h 50mUnited Airlines
Deal found 8/14$529
This Trip.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/412:10 pmOPO - LGA
1 stop24h 52mAir Canada
Mon 9/87:05 pmLGA - OPO
1 stop9h 30mAir Canada
Deal found 8/14$531
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:05 amLIS - LGA
2 stops23h 38mUnited Airlines
Wed 10/153:25 pmLGA - LIS
2 stops14h 40mUnited Airlines
Deal found 8/14$532
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 amOPO - LGA
2 stops22h 22mUnited Airlines
Mon 1/510:29 amLGA - OPO
2 stops20h 11mUnited Airlines
Deal found 8/13$533
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:05 amLIS - LGA
2 stops18h 12mUnited Airlines
Tue 9/3010:24 amLGA - LIS
2 stops17h 56mUnited Airlines
Deal found 8/12$534
This Air Canada deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:00 amLIS - LGA
2 stops22h 33mAir Canada
Tue 1/65:35 pmLGA - LIS
1 stop10h 45mAir Canada
Deal found 8/11$535
This Air Canada deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:05 amLIS - LGA
2 stops19h 54mAir Canada
Wed 10/228:20 pmLGA - LIS
1 stop32h 00mAir Canada
Deal found 8/12$536
This lol.travel deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:55 amLIS - LGA
1 stop30h 54mUnited Airlines
Thu 1/11:05 pmLGA - LIS
1 stop15h 15mUnited Airlines
Deal found 8/11$537
This Flighttix deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/412:10 pmOPO - LGA
1 stop12h 27mLufthansa
Mon 9/85:45 pmLGA - OPO
1 stop10h 50mLufthansa
Deal found 8/13$537
This Air Canada deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:00 amLIS - LGA
2 stops17h 58mAir Canada
Sun 11/236:15 amLGA - LIS
1 stop22h 05mAir Canada
Deal found 8/13$541

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal 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 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Portugal to New York LaGuardia Airport that are best for you.

Fly from

Portugal

Fly to

LaGuardia

Route

Depart

Return

Price

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 9/12

6:00 am-11:30 pm

2 stops22h 30m

New York LaGuardia

Mon 9/22

7:05 am-9:35 am

1 stop21h 30m

$525

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/4

6:00 am-6:17 pm

2 stops17h 17m

New York LaGuardia

Mon 9/8

6:00 am-9:35 am

2 stops22h 35m

$525

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 9/5

6:00 am-11:30 pm

2 stops22h 30m

New York LaGuardia

Mon 9/8

3:30 pm-9:35 am

1 stop13h 05m

$525

LisbonNew York

LIS - LGA

LISLGA

Lisbon Humberto Delgado

Sat 9/13

12:55 pm-10:34 pm

1 stop14h 39m

New York LaGuardia

Wed 9/24

3:30 pm-9:20 am

1 stop12h 50m

$529

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/4

12:10 pm-8:02 am

1 stop24h 52m

New York LaGuardia

Mon 9/8

7:05 pm-9:35 am

1 stop9h 30m

$531

LisbonNew York

LIS - LGA

LISLGA

Lisbon Humberto Delgado

Fri 10/3

5:05 am-11:43 pm

2 stops23h 38m

New York LaGuardia

Wed 10/15

3:25 pm-11:05 am

2 stops14h 40m

$532

PortoNew York

OPO - LGA

OPOLGA

Porto

Sun 12/21

6:00 am-11:22 pm

2 stops22h 22m

New York LaGuardia

Wed 1/7

2:32 pm-11:40 am

2 stops16h 08m

$533

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 12/18

6:00 am-11:22 pm

2 stops22h 22m

New York LaGuardia

Sat 1/3

6:05 am-3:05 pm

2 stops28h 00m

$533

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 12/31

6:00 am-1:49 pm

2 stops36h 49m

New York LaGuardia

Mon 1/5

6:05 am-11:40 am

2 stops24h 35m

$533

LisbonNew York

LIS - LGA

LISLGA

Lisbon Humberto Delgado

Sat 1/31

5:00 am-6:27 pm

2 stops18h 27m

New York LaGuardia

Sat 2/7

3:20 pm-8:55 am

1 stop12h 35m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 60 results
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Best time to book a flight from Portugal to LaGuardia

Have a flexible travel schedule? Discover the best time to fly to LaGuardia from Portugal with our price prediction graph.
Estimated round-trip 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 Portugal to New York LaGuardia Airport

What is the cheapest month to book a flight from Portugal to New York LaGuardia Airport?

Currently, January is the cheapest month in which you can book a flight from Portugal to New York LaGuardia Airport (average of $199). Flying from Portugal to New York LaGuardia Airport in December is currently the most expensive (average of $268). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Portugal to LaGuardia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Portugal to New York LaGuardia Airport?

    Most travelers choose Lisbon Humberto Delgado - New York LaGuardia, Porto - New York LaGuardia or Faro - New York LaGuardia when deciding on the best route from Portugal to New York LaGuardia Airport.

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

    Yes. In addition to deals on Portugal to LaGuardia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to LaGuardia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to LaGuardia.

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

    Yes. Cheapflights offers flight deals from Portugal 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.

  • What is the cheapest month to book a flight from Portugal to New York LaGuardia Airport?

    Currently, January is the cheapest month in which you can book a flight from Portugal to New York LaGuardia Airport (average of $199). Flying from Portugal to New York LaGuardia Airport in December is currently the most expensive (average of $268). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling 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
Bronx
Elizabeth
Secaucus
Yonkers
Ronkonkoma
Mahwah
Absecon
East Rutherford
North Bergen
Staten Island
Stamford
Parsippany
New Brunswick
Carle Place
Westbury
Hoboken
East Brunswick
Avenel
Paterson

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