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LaGuardia

$369+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LGA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$531
(Mytrip)

One-way from

$369
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$634
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. 16% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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.
Sun 9/1411:20 amOPO - LGA
1 stop10h 37mMultiple Airlines
Sat 9/203:30 pmLGA - OPO
1 stop13h 05mMultiple Airlines
Deal found 6/10$531
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 12/176:00 amOPO - LGA
2 stops22h 22mUnited Airlines
Fri 1/27:15 amLGA - OPO
2 stops23h 25mUnited Airlines
Deal found 6/12$533
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:00 amOPO - LGA
2 stops18h 37mAir Canada
Tue 10/711:40 amLGA - OPO
2 stops18h 50mAir Canada
Deal found 6/10$544
This Delta deal was found by Cheapflights users on 6/10. 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 10/96:30 amOPO - LGA
2 stops18h 28mDelta
Tue 10/145:00 pmLGA - OPO
2 stops17h 30mDelta
Deal found 6/10$548
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/318:15 amOPO - LGA
2 stops14h 48mAmerican Airlines
Sun 9/712:29 pmLGA - OPO
2 stops14h 06mAmerican Airlines
Deal found 6/12$553
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:30 pmOPO - LGA
1 stop12h 35mAir Transat
Mon 9/295:30 pmLGA - OPO
1 stop13h 15mAir Transat
Deal found 6/10$592
This Lufthansa deal was found by Cheapflights users on 6/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:05 amOPO - LGA
2 stops37h 26mLufthansa
Mon 9/15:45 pmLGA - OPO
1 stop10h 50mLufthansa
Deal found 6/12$685

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 June 12, 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

Sun 9/14

11:20 am-4:57 pm

1 stop10h 37m

New York LaGuardia

Sat 9/20

3:30 pm-9:35 am

1 stop13h 05m

$531

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 9/9

12:05 pm-6:30 pm

2 stops35h 25m

New York LaGuardia

Thu 9/18

10:25 am-11:15 am

2 stops43h 50m

$535

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 10/3

6:00 am-7:37 pm

2 stops18h 37m

New York LaGuardia

Tue 10/7

11:40 am-11:30 am

2 stops18h 50m

$544

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 10/9

6:30 am-7:58 pm

2 stops18h 28m

New York LaGuardia

Tue 10/14

5:00 pm-3:30 pm

2 stops17h 30m

$548

PortoNew York

OPO - LGA

OPOLGA

Porto

Sun 8/31

8:15 am-6:03 pm

2 stops14h 48m

New York LaGuardia

Sun 9/7

12:29 pm-7:35 am

2 stops14h 06m

$553

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 9/22

1:30 pm-9:05 pm

1 stop12h 35m

New York LaGuardia

Mon 9/29

5:30 pm-11:45 am

1 stop13h 15m

$592

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 8/21

6:15 am-7:31 pm

2 stops42h 16m

New York LaGuardia

Wed 9/3

3:30 pm-9:20 am

1 stop12h 50m

$683

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/11

6:40 am-11:14 pm

2 stops21h 34m

$369

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 7/8

1:30 pm-9:05 pm

1 stop12h 35m

$375

PortoNew York

OPO - LGA

OPOLGA

Porto

Sun 9/28

8:15 am-8:50 pm

2 stops17h 35m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 15 results
1
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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.

Cheapflights Insights

Everything you need to know about your flight from Porto to New York LaGuardia Airport

Rainfall in LaGuardia by month

Plan your trip to LaGuardia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in New York LaGuardia Airport ranges from 2.8 - 4.5 inches per month. July is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit New York LaGuardia Airport when rainfall is around 2.8 in.

Temperature in LaGuardia by month

Plan your trip to LaGuardia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to New York LaGuardia Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing LaGuardia

Get insights into the airlines that provide service to LaGuardia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to LaGuardia. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Porto to New York, such as Delta, Air Transat and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Air Canada
7.1
Good
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

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.

  • What are the cheapest airlines flying from Porto to New York LaGuardia Airport round-trip?

    Flying on United Airlines is currently your cheapest option to New York LaGuardia Airport, with prices starting at $535. Additional round-trip tickets that might be worth considering are offered by Air Canada and Delta, with the lowest prices starting at $544 and $548, respectively.

  • What are the cheapest airlines to fly from Porto to New York LaGuardia Airport one-way?

    $375 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on American Airlines and British Airways, with prices starting from $507 and $540, respectively.

  • 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

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