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$365+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — OPO
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Find cheap flights from LaGuardia to Porto with Cheapflights

1. Tell us where you want to go

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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 March 23, 2026.

This Mytrip deal was found by Cheapflights users on 3/20. 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.
Mon 4/132:30 pm
LGA
-
OPO
3 stops25h 30m
Multiple Airlines
Wed 4/157:10 am
OPO
-
LGA
2 stops19h 20m
Multiple Airlines
Deal found 3/20$632
This Mytrip deal was found by Cheapflights users on 3/22. 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 4/196:35 am
LGA
-
OPO
2 stops30h 10m
Multiple Airlines
Tue 4/287:45 am
OPO
-
LGA
3 stops18h 45m
Multiple Airlines
Deal found 3/22$645
This Mytrip deal was found by Cheapflights users on 3/21. 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.
Wed 4/82:30 pm
LGA
-
OPO
3 stops29h 10m
Multiple Airlines
Mon 4/1310:40 pm
OPO
-
LGA
2 stops25h 51m
Multiple Airlines
Deal found 3/21$652
This Mytrip deal was found by Cheapflights users on 3/21. 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.
Wed 4/811:35 am
LGA
-
OPO
3 stops30h 35m
Multiple Airlines
Wed 4/157:15 am
OPO
-
LGA
2 stops18h 17m
Multiple Airlines
Deal found 3/21$666
This Mytrip deal was found by Cheapflights users on 3/19. 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 5/53:30 pm
LGA
-
OPO
2 stops15h 05m
Multiple Airlines
Mon 5/1110:40 pm
OPO
-
LGA
2 stops25h 56m
Multiple Airlines
Deal found 3/19$704
This Mytrip deal was found by Cheapflights users on 3/18. 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.
Wed 4/159:59 am
LGA
-
OPO
2 stops18h 01m
Multiple Airlines
Tue 4/217:00 am
OPO
-
LGA
2 stops17h 00m
Multiple Airlines
Deal found 3/18$709
This Mytrip deal was found by Cheapflights users on 3/20. 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.
Mon 4/133:30 pm
LGA
-
OPO
2 stops15h 50m
Multiple Airlines
Sun 4/197:45 am
OPO
-
LGA
2 stops30h 01m
Multiple Airlines
Deal found 3/20$711
This Mytrip deal was found by Cheapflights users on 3/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:30 pm
LGA
-
OPO
3 stops18h 05m
Multiple Airlines
Fri 4/176:35 am
OPO
-
LGA
2 stops17h 56m
Multiple Airlines
Deal found 3/17$729

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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$632
(Mytrip)

One-way from

$365
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$690
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.
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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. 1% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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 March 23, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Wed 5/27

9:55 am-11:45 am

1 stop20h 50m

Porto

Thu 6/4

1:30 pm-8:55 am

1 stop24h 25m

$822
Quickest round-trip

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Wed 5/20

8:25 pm-11:45 am

1 stop10h 20m

Porto

Thu 5/28

1:30 pm-8:55 am

1 stop24h 25m

$824

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Fri 6/5

8:25 pm-11:45 am

1 stop10h 20m

Porto

Fri 6/26

1:30 pm-4:55 pm

1 stop32h 25m

$841

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Wed 6/3

8:25 pm-11:45 am

1 stop10h 20m

Porto

Thu 6/25

1:30 pm-4:55 pm

1 stop32h 25m

$844

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Mon 6/1

8:25 pm-11:45 am

1 stop10h 20m

Porto

Tue 6/23

1:30 pm-8:55 am

1 stop24h 25m

$844

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Tue 4/28

8:30 pm-8:00 am

1 stop30h 30m

Porto

Sat 5/9

1:30 pm-8:55 am

1 stop24h 25m

$888

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Mon 5/18

9:55 am-11:45 am

1 stop20h 50m

Porto

Thu 5/28

1:30 pm-4:55 pm

1 stop32h 25m

$932

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Fri 5/1

9:55 am-8:05 am

1 stop17h 10m

Porto

Tue 5/12

1:30 pm-8:55 am

1 stop24h 25m

$934

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Thu 4/30

8:30 pm-8:05 am

1 stop30h 35m

Porto

Mon 5/11

1:30 pm-8:55 am

1 stop24h 25m

$934

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Sun 5/31

8:25 pm-11:45 am

1 stop10h 20m

Porto

Thu 6/25

1:30 pm-8:55 am

1 stop24h 25m

$938

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 22 resultsSorted by cheapest first
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New York LaGuardia Airport-Porto flight deals on Cheapflights vs. FlightHub >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 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 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.

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 20h 50m. Air Transat provides one of the quickest options available for as low as $822. New York LaGuardia Airport and Porto are separated by a distance of 3312 mi.

  • 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
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

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