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LaGuardia

$386+ Cheap flights from Porto (OPO) 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LGA
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Porto to LaGuardia

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to LaGuardia (LGA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$511
(Mytrip)

One-way from

$386
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$598
Provider with most accurate pricing for Porto-New York LaGuardia flight deals.
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Provider most trusted by Cheapflights users for Porto-New York LaGuardia flights.
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From Porto to New York LaGuardia
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One-way flight from Porto to New York LaGuardia
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Highest demand for flights based on searches. 12% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Porto to LaGuardia

Cheapest flights from Porto to LaGuardia
Explore the most affordable flight options available from Porto to LaGuardia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:15 amOPO - LGA
2 stops16h 11mDelta
Sat 11/1512:00 pmLGA - OPO
2 stops17h 30mDelta
Deal found 10/28$533
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:35 amOPO - LGA
2 stops18h 12mDelta
Sun 11/1612:00 pmLGA - OPO
2 stops17h 30mDelta
Deal found 10/27$543
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:35 amOPO - LGA
2 stops18h 12mDelta
Wed 11/191:00 pmLGA - OPO
2 stops16h 30mDelta
Deal found 10/28$544
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:20 amOPO - LGA
2 stops17h 17mDelta
Sat 11/1512:00 pmLGA - OPO
2 stops17h 30mDelta
Deal found 10/28$547
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:25 amOPO - LGA
2 stops16h 42mDelta
Thu 1/812:00 pmLGA - OPO
2 stops17h 25mDelta
Deal found 10/29$548
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Fri 12/58:05 pmOPO - LGA
3 stops27h 57mMultiple Airlines
Tue 12/912:45 pmLGA - OPO
3 stops25h 40mMultiple Airlines
Deal found 10/29$550
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:30 amOPO - LGA
2 stops18h 34mDelta
Sun 12/1412:00 pmLGA - OPO
2 stops17h 30mDelta
Deal found 10/29$551
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/206:00 amOPO - LGA
2 stops18h 07mUnited Airlines
Wed 11/262:55 pmLGA - OPO
2 stops15h 45mUnited Airlines
Deal found 10/29$552
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/126:00 amOPO - LGA
2 stops22h 16mUnited Airlines
Tue 1/67:29 pmLGA - OPO
2 stops35h 11mUnited Airlines
Deal found 10/29$553
This Air Canada deal was found by Cheapflights users on 10/29. 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 12/96:00 amOPO - LGA
2 stops21h 33mAir Canada
Mon 1/121:05 pmLGA - OPO
2 stops17h 35mAir Canada
Deal found 10/29$554
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Mon 12/86:15 amOPO - LGA
2 stops20h 18mMultiple Airlines
Mon 12/153:20 pmLGA - OPO
3 stops20h 40mMultiple Airlines
Deal found 10/27$555

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto 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 October 29, 2025.
Use the filters below to find and compare flights from Porto to New York LaGuardia Airport that are best for you.

Fly from

Porto

Fly to

LaGuardia

Route

Depart

Return

Price

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 1/26

7:35 am-10:33 pm

3 stops19h 58m

New York LaGuardia

Mon 2/2

1:05 pm-10:50 am

2 stops16h 45m

$518

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 11/14

6:30 am-8:36 pm

2 stops19h 06m

New York LaGuardia

Tue 11/18

2:00 pm-10:30 am

2 stops15h 30m

$533

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 12/5

11:15 am-10:28 pm

2 stops16h 13m

New York LaGuardia

Tue 12/9

1:00 pm-10:30 am

2 stops16h 30m

$534

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 12/12

6:30 am-9:29 pm

2 stops19h 59m

New York LaGuardia

Sat 1/10

11:00 am-10:30 am

2 stops18h 30m

$534

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 11/13

6:35 am-7:47 pm

2 stops18h 12m

New York LaGuardia

Sun 11/16

12:00 pm-10:30 am

2 stops17h 30m

$543

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 11/13

6:35 am-7:47 pm

2 stops18h 12m

New York LaGuardia

Mon 11/17

2:00 pm-10:30 am

2 stops15h 30m

$543

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 3/5

6:35 am-7:35 pm

2 stops18h 00m

New York LaGuardia

Thu 3/26

12:00 pm-10:25 am

2 stops18h 25m

$544

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 3/23

11:25 am-11:48 pm

2 stops16h 23m

New York LaGuardia

Mon 3/30

6:00 pm-3:30 pm

2 stops16h 30m

$547

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 12/4

11:20 am-11:07 pm

2 stops16h 47m

New York LaGuardia

Mon 12/8

1:59 pm-10:30 am

2 stops15h 31m

$547

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 12/10

11:25 am-11:07 pm

2 stops16h 42m

New York LaGuardia

Thu 1/8

12:00 pm-10:25 am

2 stops17h 25m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 23 results
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  • Most accurate provider: When it comes to deals on Porto-New York LaGuardia Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-New York LaGuardia Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-New York LaGuardia Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto-New York LaGuardia Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-New York LaGuardia Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Porto to LaGuardia

Have a flexible travel schedule? Discover the best time to fly to LaGuardia from Porto 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.

Related info for your journey

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

  • What airport do you fly from for flights from Porto to New York LaGuardia?

    Most people fly from Porto (OPO) if they book a flight from Porto to New York LaGuardia. On average, Porto has 0 outbound flights to New York LaGuardia per day from 0 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

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

    Delta can get you from Porto to New York LaGuardia Airport in just under 15h 30m. Your travel time can differ by up to . Airlines will cover a distance of 3312 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto 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

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
Mahwah
Yonkers
Ronkonkoma
Secaucus
North Bergen
Elizabeth
East Rutherford
Stamford
Staten Island
Edgewater
New Brunswick
Seaside Heights
Absecon
Carle Place
Parsippany
East Brunswick
Avenel
Paterson

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