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LaGuardia

$375+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LGA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$496
(Air Canada)

One-way from

$375
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$548
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. 13% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Air Canada deal was found by Cheapflights users on 9/11. 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.
Wed 12/176:00 amOPO - LGA
2 stops21h 33mAir Canada
Thu 1/2210:35 amLGA - OPO
2 stops19h 35mAir Canada
Deal found 9/11$496
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Sat 12/66:00 amOPO - LGA
2 stops21h 33mAir Canada
Sun 12/71:05 pmLGA - OPO
2 stops17h 05mAir Canada
Deal found 9/11$499
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/46:00 amOPO - LGA
2 stops17h 07mUnited Airlines
Tue 11/181:05 pmLGA - OPO
2 stops17h 35mUnited Airlines
Deal found 9/10$500
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/2712:30 pmOPO - LGA
2 stops30h 41mUnited Airlines
Wed 12/36:15 amLGA - OPO
2 stops24h 25mUnited Airlines
Deal found 9/10$501
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:30 amOPO - LGA
2 stops19h 59mDelta
Mon 12/82:00 pmLGA - OPO
2 stops15h 15mDelta
Deal found 9/11$507
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:20 amOPO - LGA
2 stops17h 06mAmerican Airlines
Tue 12/910:10 amLGA - OPO
2 stops16h 30mAmerican Airlines
Deal found 9/11$509
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/2512:10 pmOPO - LGA
1 stop11h 20mUnited Airlines
Mon 9/297:05 pmLGA - OPO
1 stop9h 30mUnited Airlines
Deal found 9/10$511
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:50 pmOPO - LGA
2 stops24h 40mMultiple Airlines
Mon 10/133:30 pmLGA - OPO
2 stops18h 35mMultiple Airlines
Deal found 9/11$512
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Fri 12/196:00 amOPO - LGA
2 stops21h 33mAir Canada
Mon 1/191:05 pmLGA - OPO
2 stops17h 10mAir Canada
Deal found 9/11$514
This Delta deal was found by Cheapflights users on 9/10. 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 10/306:35 amOPO - LGA
2 stops19h 51mDelta
Sat 11/81:00 pmLGA - OPO
2 stops16h 30mDelta
Deal found 9/10$516
This Mytrip deal was found by Cheapflights users on 9/10. 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 10/309:55 pmOPO - LGA
2 stops25h 08mMultiple Airlines
Mon 11/312:45 pmLGA - OPO
3 stops27h 30mMultiple Airlines
Deal found 9/10$517

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 September 11, 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

Wed 3/4

6:00 am-6:27 pm

2 stops17h 27m

New York LaGuardia

Wed 3/11

10:35 am-3:25 pm

2 stops24h 50m

$500

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 12/5

6:30 am-9:29 pm

2 stops19h 59m

New York LaGuardia

Mon 12/8

2:00 pm-10:15 am

2 stops15h 15m

$507

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 9/26

6:40 am-9:29 pm

2 stops19h 49m

New York LaGuardia

Tue 9/30

5:00 pm-3:30 pm

2 stops17h 30m

$509

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 10/30

6:35 am-10:26 pm

2 stops19h 51m

New York LaGuardia

Sat 11/8

1:00 pm-10:30 am

2 stops16h 30m

$516

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 12/31

12:30 pm-11:13 am

2 stops27h 43m

New York LaGuardia

Mon 1/5

7:29 pm-2:45 pm

2 stops38h 16m

$520

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 10/9

6:00 am-2:14 pm

2 stops37h 14m

New York LaGuardia

Mon 10/13

7:29 pm-11:15 am

2 stops34h 46m

$523

PortoNew York

OPO - LGA

OPOLGA

Porto

Sun 10/26

6:00 am-5:58 pm

2 stops39h 58m

New York LaGuardia

Sun 11/2

7:45 pm-11:40 am

2 stops34h 55m

$524

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 10/30

12:30 pm-6:07 pm

2 stops33h 37m

New York LaGuardia

Mon 11/3

11:15 am-11:40 am

2 stops19h 25m

$525

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 3/9

8:20 am-7:16 pm

2 stops14h 56m

New York LaGuardia

Mon 3/16

1:00 pm-7:40 am

2 stops14h 40m

$527

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 11/20

6:00 am-10:33 pm

2 stops21h 33m

New York LaGuardia

Wed 11/26

3:20 pm-12:05 pm

2 stops15h 45m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 24 results
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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?

    United Airlines and Delta can get you from Porto to New York LaGuardia Airport in just under 17h 27m. Your travel time can differ by up to 2h 32m. Airlines will cover a distance of 3312 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Porto to New York LaGuardia Airport (average of $199). Flying from Porto 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?

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Stamford
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