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Cheap flights from Porto to New York from $284

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to New York departing on 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:20 am - 11:37 pmOPO-LGA
16h 17m2 stops
Delta Logo
4:00 pm - 10:30 amLGA-OPO
14h 30m2 stops
$512Delta
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Fri, Mar 13 - Fri, Mar 20
Air Canada Logo
6:00 am - 7:58 pmOPO-LGA
18h 58m2 stops
Air Canada Logo
8:20 pm - 7:00 amLGA-OPO
29h 40m1 stop
$516Air Canada
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Wed, May 13 - Tue, Jun 23
Air Canada Logo
6:00 am - 7:58 pmOPO-LGA
18h 58m2 stops
Air Canada Logo
8:45 am - 7:00 amLGA-OPO
17h 15m1 stop
$529Air Canada
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Wed, May 6 - Wed, Jun 24
United Airlines Logo
6:00 am - 6:27 pmOPO-LGA
17h 27m2 stops
United Airlines Logo
8:00 am - 7:00 amLGA-OPO
18h 00m2 stops
$531United Airlines
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Thu, May 7 - Wed, Jun 24
United Airlines Logo
6:00 am - 6:11 pmOPO-LGA
17h 11m2 stops
United Airlines Logo
8:00 am - 7:00 amLGA-OPO
18h 00m2 stops
$532United Airlines
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Tue, May 5 - Wed, Jun 24
Delta Logo
5:00 am - 8:30 pmOPO-LGA
20h 30m2 stops
Delta Logo
1:01 pm - 10:30 amLGA-OPO
16h 29m2 stops
$534Delta
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Fri, Feb 13 - Sun, Feb 22
American Airlines Logo
8:20 am - 7:29 amOPO-LGA
28h 09m2 stops
American Airlines Logo
5:45 pm - 4:00 pmLGA-OPO
17h 15m2 stops
$545American Airlines
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Mon, May 4 - Mon, May 11
Multiple Airlines Logo
8:40 am - 9:33 pmOPO-LGA
17h 53m2 stops
Multiple Airlines Logo
12:40 pm - 11:40 amLGA-OPO
18h 00m2 stops
$546Multiple Airlines
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Fri, Jan 23 - Fri, Jan 30
United Airlines Logo
6:00 am - 11:43 pmOPO-LGA
22h 43m2 stops
United Airlines Logo
6:00 am - 11:40 amLGA-OPO
24h 40m2 stops
$550United Airlines
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Wed, Dec 24 - Tue, Dec 30
Air Canada Logo
6:00 am - 7:58 pmOPO-LGA
18h 58m2 stops
Air Canada Logo
12:55 pm - 7:00 amLGA-OPO
13h 05m2 stops
$568Air Canada
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Wed, May 6 - Sun, Jun 21

United Airlines flights from Porto to New York LaGuardia Airport

Our best United Airlines deals on Porto to New York LaGuardia Airport flight tickets
United Airlines
May 7
OPO6:00 amPorto
17h 27m
2 stops
LGA6:27 pmNew York LaGuardia
Jun 24
LGA8:00 amNew York LaGuardia
18h 00m
2 stops
OPO7:00 amPorto
$531
Find similar
United Airlines
May 5
OPO6:00 amPorto
17h 11m
2 stops
LGA6:11 pmNew York LaGuardia
Jun 24
LGA8:00 amNew York LaGuardia
18h 00m
2 stops
OPO7:00 amPorto
$532
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United Airlines
Dec 24
OPO6:00 amPorto
22h 43m
2 stops
LGA11:43 pmNew York LaGuardia
Dec 30
LGA6:00 amNew York LaGuardia
24h 40m
2 stops
OPO11:40 amPorto
$550
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Air Canada flights from Porto to New York LaGuardia Airport

Our best Air Canada deals on Porto to New York LaGuardia Airport flight tickets
Air Canada
May 13
OPO6:00 amPorto
18h 58m
2 stops
LGA7:58 pmNew York LaGuardia
Jun 23
LGA8:20 pmNew York LaGuardia
29h 40m
1 stop
OPO7:00 amPorto
$516
Find similar
Air Canada
May 6
OPO6:00 amPorto
18h 58m
2 stops
LGA7:58 pmNew York LaGuardia
Jun 24
LGA8:45 amNew York LaGuardia
17h 15m
1 stop
OPO7:00 amPorto
$529
Find similar
Air Canada
May 6
OPO6:00 amPorto
18h 58m
2 stops
LGA7:58 pmNew York LaGuardia
Jun 21
LGA12:55 pmNew York LaGuardia
13h 05m
2 stops
OPO7:00 amPorto
$568
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momondo Fare Finder

 
Customize your flight search to find flights from Porto to New York LaGuardia Airport 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, momondo users made 832,500 searches. Data last updated December 3, 2025.
Use the filters below to find and compare flights from Porto to New York LaGuardia Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 3/13

11:20 am-11:37 pm

2 stops16h 17m

New York LaGuardia

Fri 3/20

4:00 pm-10:30 am

2 stops14h 30m

$512

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 5/13

6:00 am-7:58 pm

2 stops18h 58m

New York LaGuardia

Tue 6/23

8:20 pm-7:00 am

1 stop29h 40m

$516

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 5/6

6:00 am-7:58 pm

2 stops18h 58m

New York LaGuardia

Wed 6/24

8:45 am-7:00 am

1 stop17h 15m

$529

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 5/7

6:00 am-6:27 pm

2 stops17h 27m

New York LaGuardia

Wed 6/24

8:00 am-7:00 am

2 stops18h 00m

$531

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 5/5

6:00 am-6:11 pm

2 stops17h 11m

New York LaGuardia

Wed 6/24

8:00 am-7:00 am

2 stops18h 00m

$532

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 2/13

5:00 am-8:30 pm

2 stops20h 30m

New York LaGuardia

Sun 2/22

1:01 pm-10:30 am

2 stops16h 29m

$534

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 5/4

8:20 am-7:29 am

2 stops28h 09m

New York LaGuardia

Mon 5/11

5:45 pm-4:00 pm

2 stops17h 15m

$545

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 1/23

8:40 am-9:33 pm

2 stops17h 53m

New York LaGuardia

Fri 1/30

12:40 pm-11:40 am

2 stops18h 00m

$546

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 12/24

6:00 am-11:43 pm

2 stops22h 43m

New York LaGuardia

Tue 12/30

6:00 am-11:40 am

2 stops24h 40m

$550

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 5/6

6:00 am-7:58 pm

2 stops18h 58m

New York LaGuardia

Sun 6/21

12:55 pm-7:00 am

2 stops13h 05m

$568

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Porto to New York LaGuardia Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Porto to New York LaGuardia Airport flights?

You could potentially save up to 18% on your flight if you consider stops on a Porto to New York LaGuardia Airport flight.

When to book flights from Porto to New York LaGuardia Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to New York LaGuardia Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Porto to New York LaGuardia Airport (OPO to LGA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to New York LaGuardia Airport

Fastest flight time

12h 05m

Direct flights

None
The fastest flight from Porto to New York LaGuardia Airport takes 12h 05m
There are no direct flights from Porto to New York LaGuardia Airport. There are no popular flight routes from Porto to New York LaGuardia Airport.
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  • How far is Porto to New York LaGuardia by plane?

    There are 3317.1 mi between Porto and New York LaGuardia. By plane, this route typically takes 12h 05m.

  • When did momondo last update prices for flights from Porto Airport to New York LaGuardia Airport?

    Prices for flights from Porto Airport to New York LaGuardia Airport refresh daily.

  • How old do you have to be to fly from Porto Airport to New York LaGuardia Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to New York LaGuardia Airport.

  • What documentation or ID do you need to fly to New York LaGuardia Airport?

    The required travel and health documents for your New York LaGuardia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at New York LaGuardia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Seaside Heights
Queens
Bronx
Yonkers
Asbury Park
East Rutherford
Point Pleasant Beach
Beach Haven
Spring Lake
Long Branch
Tannersville
Wayne
Stamford
Secaucus
East Stroudsburg
Elizabeth
Ocean Grove
Parsippany
Staten Island
Pocono Manor

Why use momondo?

Why should I use momondo to find a flight deal from Porto to New York?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Porto to New York. momondo saves you time and could save you money on your trip.

Can I find flights from Porto to New York with flexible booking policies on momondo?

Flights from Porto to New York with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Porto to New York?

momondo provides multiple filters to help you find the best flight to New York from Porto. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Porto to New York right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Porto to New York now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to New York and let you know when they change.

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