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$324+ Cheap flights from LaGuardia, NY (LGA) to Porto (OPO)

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — OPO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from LaGuardia to Porto

Cheapest flights from LaGuardia to Porto
Explore the most affordable flight options available from LaGuardia to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Trip.com deal was found by Cheapflights users on 12/17. 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.
Tue 12/305:55 pmLGA - OPO
1 stop32h 10mAir Transat
Sat 1/108:50 amOPO - LGA
1 stop13h 05mAir Transat
Deal found 12/17$780
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/302:30 pmLGA - OPO
2 stops15h 00mDelta
Tue 1/135:00 amOPO - LGA
2 stops19h 31mDelta
Deal found 12/16$980
This Air Transat deal was found by Cheapflights users on 12/17. 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.
Wed 12/316:15 amLGA - OPO
1 stop19h 50mAir Transat
Sat 1/38:50 amOPO - LGA
1 stop29h 05mAir Transat
Deal found 12/17$1,031
This Air Transat deal was found by Cheapflights users on 12/17. 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.
Fri 12/266:15 amLGA - OPO
1 stop19h 50mAir Transat
Thu 1/18:50 amOPO - LGA
1 stop29h 05mAir Transat
Deal found 12/17$1,082
This Air Transat deal was found by Cheapflights users on 12/17. 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.
Tue 12/305:55 pmLGA - OPO
1 stop32h 10mAir Transat
Sat 1/38:50 amOPO - LGA
1 stop29h 05mAir Transat
Deal found 12/17$1,141
This Air Transat deal was found by Cheapflights users on 12/17. 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.
Fri 12/266:15 amLGA - OPO
1 stop19h 50mAir Transat
Sat 1/38:50 amOPO - LGA
1 stop29h 05mAir Transat
Deal found 12/17$1,167
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:55 pmLGA - OPO
1 stop32h 10mAir Transat
Sat 1/38:50 amOPO - LGA
1 stop29h 05mAir Transat
Deal found 12/16$1,242
This Air Transat deal was found by Cheapflights users on 12/17. 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.
Fri 12/196:15 amLGA - OPO
1 stop19h 50mAir Transat
Sat 1/108:50 amOPO - LGA
1 stop29h 05mAir Transat
Deal found 12/17$1,259
This Mytrip deal was found by Cheapflights users on 12/16. 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 12/283:20 pmLGA - OPO
2 stops16h 30mMultiple Airlines
Wed 1/76:30 amOPO - LGA
2 stops20h 03mMultiple Airlines
Deal found 12/16$1,368

Find flight deals from LaGuardia to Porto

Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) to Porto (OPO). 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 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$500
(American Airlines)

One-way from

$324
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$1,430
Provider with most accurate pricing for New York LaGuardia-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York LaGuardia-Porto flights.
Search Deals
From New York LaGuardia to Porto
Search Deals
One-way flight from New York LaGuardia to Porto
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from LaGuardia to Porto 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 18, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Porto that are best for you.

Fly from

LaGuardia

Fly to

Porto

Route

Depart

Return

Price

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Mon 3/2

4:05 pm-11:45 am

2 stops14h 40m

Porto

Wed 3/11

8:20 am-9:07 pm

2 stops16h 47m

$510

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Tue 1/13

2:00 pm-10:30 am

2 stops15h 30m

Porto

Tue 1/20

11:25 am-11:42 pm

2 stops17h 17m

$529

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Tue 2/10

1:05 pm-10:30 am

2 stops16h 25m

Porto

Tue 2/24

11:25 am-11:45 pm

2 stops17h 20m

$529

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Wed 1/14

1:00 pm-10:30 am

2 stops16h 30m

Porto

Wed 1/21

5:00 am-6:44 pm

2 stops18h 44m

$530

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Sat 2/7

1:09 pm-10:30 am

2 stops16h 21m

Porto

Sun 2/15

5:00 am-4:21 pm

2 stops16h 21m

$530

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Fri 2/6

2:59 pm-10:30 am

2 stops14h 31m

Porto

Mon 2/16

5:00 am-4:21 pm

2 stops16h 21m

$530

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Wed 1/21

2:00 pm-10:30 am

2 stops15h 30m

Porto

Mon 1/26

5:00 am-4:30 pm

2 stops16h 30m

$530

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Sat 1/17

3:30 pm-12:50 pm

2 stops16h 20m

Porto

Sat 1/24

6:00 am-10:33 pm

2 stops21h 33m

$535

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Sat 1/17

3:30 pm-12:50 pm

2 stops16h 20m

Porto

Sat 1/24

6:00 am-10:33 pm

2 stops21h 33m

$535

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Tue 1/13

10:35 am-11:15 am

2 stops19h 40m

Porto

Thu 1/22

6:00 am-10:53 am

2 stops33h 53m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 22 results
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Compare providers for flights from LaGuardia to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from LaGuardia to Porto in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on New York LaGuardia Airport-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on New York LaGuardia Airport-Porto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York LaGuardia Airport-Porto 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 New York LaGuardia Airport-Porto 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 LaGuardia to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from LaGuardia 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 New York LaGuardia Airport to Porto

What is the cheapest time of day to fly from LGA to OPO?

Find hourly flight availability from LaGuardia to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 41% on flights from New York LaGuardia Airport to Porto by exploring options for tickets at noon.

Related info for your journey

Find useful and relevant information for your journey from LaGuardia to Porto. 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 into for flights to Porto from New York LaGuardia?

    For a flight from New York LaGuardia to Porto, you will be flying into Porto. Porto (OPO) is just 6.8 mi from the center of the city. Porto is the only Porto airport and it handles 0 inbound flights from New York LaGuardia per day. 0 airlines have flights to Porto from New York LaGuardia on a regular basis.

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

    A quick flight from New York LaGuardia Airport to Porto can take about 14h 40m. American Airlines provides one of the quickest options available for as low as $510. New York LaGuardia Airport and Porto are separated by a distance of 3312 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from LaGuardia to Porto 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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