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Cheap flights from Porto to New York from $263

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 1/22. 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

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British Airways Logo
8:40 pm - 8:52 pmOPO-LGA
29h 12m2 stops
British Airways Logo
5:45 pm - 7:30 pmLGA-OPO
20h 45m2 stops
$512British Airways
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Tue, Apr 21 - Tue, May 5
American Airlines Logo
8:20 am - 7:29 amOPO-LGA
28h 09m2 stops
American Airlines Logo
10:45 am - 11:45 amLGA-OPO
20h 00m2 stops
$513American Airlines
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Thu, Feb 12 - Thu, Feb 19
American Airlines Logo
8:20 am - 9:13 amOPO-LGA
29h 53m2 stops
American Airlines Logo
8:00 pm - 7:40 amLGA-OPO
30h 40m2 stops
$516American Airlines
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Thu, Apr 16 - Sat, Apr 18
United Airlines Logo
6:00 am - 11:22 pmOPO-LGA
22h 22m2 stops
United Airlines Logo
8:45 am - 6:50 amLGA-OPO
17h 05m1 stop
$519United Airlines
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Wed, May 13 - Mon, Jun 8
Air Canada Logo
6:00 am - 9:13 amOPO-LGA
32h 13m2 stops
Air Canada Logo
10:35 am - 11:15 amLGA-OPO
19h 40m2 stops
$520Air Canada
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Thu, Jan 15 - Mon, Jan 19
United Airlines Logo
6:00 am - 11:43 pmOPO-LGA
22h 43m2 stops
United Airlines Logo
1:15 pm - 3:25 pmLGA-OPO
21h 10m2 stops
$523United Airlines
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Tue, Dec 23 - Wed, Jan 21
United Airlines Logo
6:00 am - 6:44 pmOPO-LGA
17h 44m2 stops
United Airlines Logo
1:15 pm - 11:40 amLGA-OPO
17h 25m2 stops
$524United Airlines
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Thu, Jan 15 - Wed, Jan 21
Delta Logo
9:25 am - 11:43 pmOPO-LGA
19h 18m2 stops
Delta Logo
6:00 pm - 3:30 pmLGA-OPO
16h 30m2 stops
$526Delta
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Fri, May 1 - Mon, May 4
Delta Logo
6:30 am - 8:30 pmOPO-LGA
19h 00m2 stops
Delta Logo
2:59 pm - 10:30 amLGA-OPO
14h 31m2 stops
$529Delta
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Fri, Jan 30 - Wed, Feb 4
United Airlines Logo
12:30 pm - 6:44 pmOPO-LGA
35h 14m2 stops
United Airlines Logo
6:05 am - 11:40 amLGA-OPO
24h 35m2 stops
$537United Airlines
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Fri, Jan 23 - Sun, Jan 25

American Airlines flights from Porto to New York LaGuardia Airport

Our best American Airlines deals on Porto to New York LaGuardia Airport flight tickets
American Airlines
Apr 1
OPO8:20 amPorto
29h 52m
2 stops
LGA9:12 amNew York LaGuardia
Apr 7
LGA5:45 pmNew York LaGuardia
13h 00m
2 stops
OPO11:45 amPorto
$512
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American Airlines
Feb 12
OPO8:20 amPorto
28h 09m
2 stops
LGA7:29 amNew York LaGuardia
Feb 19
LGA10:45 amNew York LaGuardia
20h 00m
2 stops
OPO11:45 amPorto
$513
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American Airlines
Apr 16
OPO8:20 amPorto
29h 53m
2 stops
LGA9:13 amNew York LaGuardia
Apr 18
LGA8:00 pmNew York LaGuardia
30h 40m
2 stops
OPO7:40 amPorto
$516
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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 13
OPO6:00 amPorto
22h 22m
2 stops
LGA11:22 pmNew York LaGuardia
Jun 8
LGA8:45 amNew York LaGuardia
17h 05m
1 stop
OPO6:50 amPorto
$519
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United Airlines
Dec 23
OPO6:00 amPorto
22h 43m
2 stops
LGA11:43 pmNew York LaGuardia
Jan 21
LGA1:15 pmNew York LaGuardia
21h 10m
2 stops
OPO3:25 pmPorto
$523
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United Airlines
Jan 15
OPO6:00 amPorto
17h 44m
2 stops
LGA6:44 pmNew York LaGuardia
Jan 21
LGA1:15 pmNew York LaGuardia
17h 25m
2 stops
OPO11:40 amPorto
$524
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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 November 26, 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

Tue 4/21

8:40 pm-8:52 pm

2 stops29h 12m

New York LaGuardia

Tue 5/5

5:45 pm-7:30 pm

2 stops20h 45m

$512

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 2/12

8:20 am-7:29 am

2 stops28h 09m

New York LaGuardia

Thu 2/19

10:45 am-11:45 am

2 stops20h 00m

$513

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 4/16

8:20 am-9:13 am

2 stops29h 53m

New York LaGuardia

Sat 4/18

8:00 pm-7:40 am

2 stops30h 40m

$516

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 5/13

6:00 am-11:22 pm

2 stops22h 22m

New York LaGuardia

Mon 6/8

8:45 am-6:50 am

1 stop17h 05m

$519

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 1/15

6:00 am-9:13 am

2 stops32h 13m

New York LaGuardia

Mon 1/19

10:35 am-11:15 am

2 stops19h 40m

$520

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 12/23

6:00 am-11:43 pm

2 stops22h 43m

New York LaGuardia

Wed 1/21

1:15 pm-3:25 pm

2 stops21h 10m

$523

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 1/15

6:00 am-6:44 pm

2 stops17h 44m

New York LaGuardia

Wed 1/21

1:15 pm-11:40 am

2 stops17h 25m

$524

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 5/1

9:25 am-11:43 pm

2 stops19h 18m

New York LaGuardia

Mon 5/4

6:00 pm-3:30 pm

2 stops16h 30m

$526

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 1/30

6:30 am-8:30 pm

2 stops19h 00m

New York LaGuardia

Wed 2/4

2:59 pm-10:30 am

2 stops14h 31m

$529

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 1/23

12:30 pm-6:44 pm

2 stops35h 14m

New York LaGuardia

Sun 1/25

6:05 am-11:40 am

2 stops24h 35m

$537

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

16h 12m

Direct flights

None
The fastest flight from Porto to New York LaGuardia Airport takes 16h 12m
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
Pocono Manor
Elizabeth
Ocean Grove
Parsippany
Staten Island

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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