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LaGuardia

$345+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LGA
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 March 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$490
(United Airlines)

One-way from

$345
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$559
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. 19% potential increase in price ($145 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 March 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 March 26, 2025.

This United Airlines deal was found by Cheapflights users on 3/24. 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.
Mon 12/16:00 amOPO - LGA
2 stops32h 28mUnited Airlines
Sun 12/78:50 amLGA - OPO
2 stops21h 50mUnited Airlines
Deal found 3/24$490
This Delta deal was found by Cheapflights users on 3/25. 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 4/46:40 amOPO - LGA
2 stops17h 53mDelta
Mon 4/141:00 pmLGA - OPO
2 stops16h 40mDelta
Deal found 3/25$494
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Tue 5/68:15 amOPO - LGA
2 stops20h 29mAmerican Airlines
Tue 5/139:00 amLGA - OPO
2 stops17h 35mAmerican Airlines
Deal found 3/25$497
This Flighttix deal was found by Cheapflights users on 3/25. 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 5/228:15 amOPO - LGA
2 stops16h 08mIberia
Wed 5/2811:40 amLGA - OPO
2 stops14h 55mIberia
Deal found 3/25$504
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3111:20 amOPO - LGA
1 stop11h 50mAir Canada
Tue 9/98:20 pmLGA - OPO
1 stop32h 05mAir Canada
Deal found 3/25$509
This Gotogate deal was found by Cheapflights users on 3/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/191:30 pmOPO - LGA
1 stop12h 35mAir Transat
Mon 5/269:55 amLGA - OPO
1 stop20h 50mAir Transat
Deal found 3/24$574
This Air Canada deal was found by Cheapflights users on 3/25. 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 9/2312:50 pmOPO - LGA
1 stop11h 47mMultiple Airlines
Tue 9/305:45 pmLGA - OPO
2 stops15h 00mMultiple Airlines
Deal found 3/25$603
This Aeromexico deal was found by Cheapflights users on 3/25. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2611:35 amOPO - LGA
2 stops16h 04mAir France
Sat 4/2610:45 amLGA - OPO
2 stops23h 45mAir France
Deal found 3/25$863

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 March 26, 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

Thu 5/8

6:00 am-1:29 pm

2 stops36h 29m

New York LaGuardia

Thu 5/15

6:50 pm-3:45 pm

2 stops39h 55m

$490

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 4/4

6:40 am-7:33 pm

2 stops17h 53m

New York LaGuardia

Mon 4/14

1:00 pm-10:40 am

2 stops16h 40m

$494

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 5/6

8:15 am-11:44 pm

2 stops20h 29m

New York LaGuardia

Tue 5/13

9:00 am-7:35 am

2 stops17h 35m

$497

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 5/22

8:15 am-7:23 pm

2 stops16h 08m

New York LaGuardia

Wed 5/28

11:40 am-7:35 am

2 stops14h 55m

$504

PortoNew York

OPO - LGA

OPOLGA

Porto

Sun 8/31

11:20 am-6:10 pm

1 stop11h 50m

New York LaGuardia

Tue 9/9

8:20 pm-9:25 am

1 stop32h 05m

$509

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 5/19

1:30 pm-9:05 pm

1 stop12h 35m

New York LaGuardia

Mon 5/26

9:55 am-11:45 am

1 stop20h 50m

$574

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 5/6

12:20 pm-7:23 pm

2 stops36h 03m

New York LaGuardia

Wed 5/28

11:12 am-7:35 am

2 stops15h 23m

$605

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 4/28

7:35 am-11:10 pm

3 stops44h 35m

$345

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 6/24

1:30 pm-8:55 am

1 stop24h 25m

$371

PortoNew York

OPO - LGA

OPOLGA

Porto

Sun 6/15

8:15 am-9:20 am

2 stops30h 05m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Porto-New York LaGuardia Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Porto-New York LaGuardia Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 March 26, 2025.
Read through reviews of airlines operating flights from Porto to New York, such as Delta, Air Transat and Qatar Airways. 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
7,891 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

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
7,891 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

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
381 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Qatar Airways
7.4
Good
3,539 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

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
8,608 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Scandinavian Airlines
7.3
Good
1,325 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

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 $490. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $494 and $497, respectively.

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

    $371 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 Qatar Airways, with prices starting from $479 and $566, 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

Traveling to a place near Porto?

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