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LaGuardia

$330+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LGA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Rumbo deal was found by Cheapflights users on 12/11. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:50 amOPO - LGA
1 stop13h 05mAir Transat
Wed 12/316:15 amLGA - OPO
1 stop19h 50mAir Transat
Deal found 12/11$713
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amOPO - LGA
2 stops22h 43mUnited Airlines
Sat 12/277:45 pmLGA - OPO
2 stops34h 55mUnited Airlines
Deal found 12/11$726
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/1212:30 pmOPO - LGA
2 stops36h 37mUnited Airlines
Sat 1/37:29 pmLGA - OPO
2 stops34h 06mUnited Airlines
Deal found 12/9$902
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:30 pmOPO - LGA
2 stops40h 13mUnited Airlines
Sat 12/277:50 pmLGA - OPO
2 stops34h 50mUnited Airlines
Deal found 12/11$936
This Delta deal was found by Cheapflights users on 12/11. 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.
Mon 12/2211:25 amOPO - LGA
2 stops16h 55mDelta
Fri 1/25:00 pmLGA - OPO
2 stops17h 25mDelta
Deal found 12/11$956
This Mytrip deal was found by Cheapflights users on 12/11. 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.
Sat 12/278:50 amOPO - LGA
1 stop11h 48mMultiple Airlines
Wed 12/3111:30 amLGA - OPO
1 stop14h 35mMultiple Airlines
Deal found 12/11$992
This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/256:35 amOPO - LGA
2 stops16h 57mDelta
Wed 12/3112:55 pmLGA - OPO
2 stops16h 35mDelta
Deal found 12/11$1,026
This Gotogate deal was found by Cheapflights users on 12/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:30 amOPO - LGA
2 stops14h 28mAir Canada
Wed 12/316:05 amLGA - OPO
2 stops25h 00mAir Canada
Deal found 12/10$1,096
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:55 amOPO - LGA
2 stops14h 49mUnited Airlines
Sun 1/42:50 pmLGA - OPO
2 stops19h 25mUnited Airlines
Deal found 12/11$1,127
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:20 amOPO - LGA
2 stops17h 05mAmerican Airlines
Fri 1/23:45 pmLGA - OPO
2 stops15h 00mAmerican Airlines
Deal found 12/10$1,201
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/208:55 amOPO - LGA
2 stops19h 48mUnited Airlines
Wed 12/246:15 pmLGA - OPO
2 stops36h 25mUnited Airlines
Deal found 12/10$1,339
This Air Transat deal was found by Cheapflights users on 12/10. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:50 amOPO - LGA
1 stop29h 05mAir Transat
Wed 12/246:15 amLGA - OPO
1 stop19h 50mAir Transat
Deal found 12/10$1,346

Find 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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$552
(United Airlines)

One-way from

$330
(British Airways)

Popular in

July

Cheapest in

February

Average price

$701
Provider with most accurate pricing for Porto-New York LaGuardia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Porto-New York LaGuardia flights.
Search Deals
From Porto to New York LaGuardia
Search Deals
One-way flight from Porto to New York LaGuardia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 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

Wed 5/20

6:00 am-6:27 pm

2 stops17h 27m

New York LaGuardia

Fri 6/5

7:00 am-6:50 am

1 stop18h 50m

$552

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 2/3

6:00 am-10:33 pm

2 stops21h 33m

New York LaGuardia

Tue 2/10

12:40 pm-11:15 am

2 stops17h 35m

$553

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 3/5

6:00 am-11:44 pm

2 stops22h 44m

New York LaGuardia

Mon 3/9

2:59 pm-2:55 pm

2 stops19h 56m

$553

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 2/13

6:00 am-8:12 pm

2 stops19h 12m

New York LaGuardia

Wed 2/18

7:13 am-11:40 am

2 stops23h 27m

$553

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 2/17

6:00 am-6:42 pm

2 stops17h 42m

New York LaGuardia

Thu 2/26

6:00 am-11:40 am

2 stops24h 40m

$553

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 1/15

6:00 am-6:44 pm

2 stops17h 44m

New York LaGuardia

Wed 1/21

7:29 pm-3:25 pm

2 stops14h 56m

$553

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 1/24

6:00 am-9:14 pm

2 stops20h 14m

New York LaGuardia

Sat 1/31

7:29 pm-11:40 am

2 stops35h 11m

$553

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 1/22

6:00 am-6:44 pm

2 stops17h 44m

New York LaGuardia

Fri 2/6

2:55 pm-11:40 am

2 stops15h 45m

$553

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 2/13

6:00 am-11:44 pm

2 stops22h 44m

New York LaGuardia

Tue 2/17

2:59 pm-2:45 pm

2 stops18h 46m

$553

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 3/2

6:00 am-6:27 pm

2 stops17h 27m

New York LaGuardia

Mon 3/16

7:00 am-11:40 am

2 stops24h 40m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 19 results
1
2
  • 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?

    United Airlines can get you from Porto to New York LaGuardia Airport in just under 17h 27m. 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
East Rutherford
Mahwah
Yonkers
Elizabeth
Secaucus
North Bergen
Ronkonkoma
Stamford
Staten Island
Edgewater
Carteret
Seaside Heights
Absecon
Carle Place
Parsippany
New Brunswick
Mount Laurel
Carlstadt

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