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$338+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — OPO
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap 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 July 1, 2025.

Round-trip from

$609
(American Airlines)

One-way from

$338
(Mytrip)

Popular in

July

Cheapest in

November

Average price

$1,032
From New York LaGuardia to Porto
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One-way flight from New York LaGuardia to Porto
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Highest demand for flights based on searches. 23% potential increase in price ($240 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 1, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. 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 8/2510:45 amLGA - OPO
2 stops15h 50mAmerican Airlines
Fri 9/128:15 amOPO - LGA
2 stops17h 35mAmerican Airlines
Deal found 7/1$609
This Mytrip deal was found by Cheapflights users on 6/29. 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 8/33:50 pmLGA - OPO
3 stops22h 10mMultiple Airlines
Wed 8/207:15 amOPO - LGA
2 stops16h 48mMultiple Airlines
Deal found 6/29$612
This Delta deal was found by Cheapflights users on 6/29. 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.
Wed 8/612:00 pmLGA - OPO
2 stops17h 40mDelta
Tue 9/24:20 pmOPO - LGA
2 stops30h 11mDelta
Deal found 6/29$616
This United Airlines deal was found by Cheapflights users on 6/29. 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 8/45:45 pmLGA - OPO
1 stop10h 50mUnited Airlines
Thu 9/412:10 pmOPO - LGA
2 stops33h 07mUnited Airlines
Deal found 6/29$626
This FlightHub deal was found by Cheapflights users on 6/29. 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.
Mon 7/285:45 pmLGA - OPO
1 stop10h 50mLufthansa
Thu 8/2812:10 pmOPO - LGA
1 stop12h 21mLufthansa
Deal found 6/29$638
This Gotogate deal was found by Cheapflights users on 6/30. 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 7/147:10 pmLGA - OPO
1 stop9h 25mAir Canada
Tue 7/2212:50 pmOPO - LGA
1 stop11h 41mAir Canada
Deal found 6/30$643
This Booking.com deal was found by Cheapflights users on 6/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:30 pmLGA - OPO
1 stop13h 15mAir Transat
Mon 10/131:30 pmOPO - LGA
1 stop12h 35mAir Transat
Deal found 6/29$685

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 July 1, 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 8/25

10:45 am-7:35 am

2 stops15h 50m

Porto

Fri 9/12

8:15 am-8:50 pm

2 stops17h 35m

$609

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Sun 8/3

3:50 pm-7:00 pm

3 stops22h 10m

Porto

Wed 8/20

7:15 am-7:03 pm

2 stops16h 48m

$612

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Wed 8/6

12:00 pm-10:40 am

2 stops17h 40m

Porto

Tue 9/2

4:20 pm-5:31 pm

2 stops30h 11m

$616

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Mon 8/4

5:45 pm-9:35 am

1 stop10h 50m

Porto

Thu 9/4

12:10 pm-4:17 pm

2 stops33h 07m

$626

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Mon 7/28

5:45 pm-9:35 am

1 stop10h 50m

Porto

Thu 8/28

12:10 pm-7:31 pm

1 stop12h 21m

$638

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Mon 7/14

7:10 pm-9:35 am

1 stop9h 25m

Porto

Tue 7/22

12:50 pm-7:31 pm

1 stop11h 41m

$643

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Fri 10/3

5:30 pm-11:45 am

1 stop13h 15m

Porto

Mon 10/13

1:30 pm-9:05 pm

1 stop12h 35m

$685

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Mon 7/28

11:55 am-6:45 am

3 stops37h 50m

$346

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Mon 10/20

2:45 pm-11:40 am

2 stops15h 55m

$397

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Tue 10/28

2:55 pm-10:50 am

2 stops15h 55m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 11 results
1
2

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 July 1, 2025.

When flying from New York LaGuardia Airport to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated July 1, 2025.
Peruse reviews from past customers who have flown with Delta, Air Transat, and United Airlines from New York LaGuardia Airport to Porto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Air Transat
7.8
Good
405 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,858 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Air Canada
7.1
Good
9,665 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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.

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

    The cheapest airlines for a one-way flight from New York LaGuardia Airport to Porto are American Airlines ($397), Delta ($403), and Air Transat ($443).

  • 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.

  • What is the cheapest month to book a flight from New York LaGuardia Airport to Porto?

    Currently, January is the cheapest month in which you can book a flight from New York LaGuardia Airport to Porto (average of $523). Flying from New York LaGuardia Airport to Porto in June is currently the most expensive (average of $1,033). 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 New York LaGuardia Airport?

Book flights to New York LaGuardia Airport if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos

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