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Cheap flights from Porto to New York from $311

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 2/25. 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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Find the cheapest flights from Porto to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:30 am - 7:28 pm
OPO
-
LGA
17h 58m
2 stops
Delta Logo
1:00 pm - 10:55 am
LGA
-
OPO
16h 55m
2 stops
$486Delta
Mon, Apr 6 - Mon, Apr 13
American Airlines Logo
8:20 am - 7:13 am
OPO
-
LGA
27h 53m
2 stops
American Airlines Logo
12:49 pm - 4:00 pm
LGA
-
OPO
22h 11m
2 stops
$498American Airlines
Sun, Apr 19 - Wed, Apr 29
American Airlines Logo
12:25 pm - 11:22 am
OPO
-
LGA
26h 57m
2 stops
American Airlines Logo
11:00 am - 4:00 pm
LGA
-
OPO
24h 00m
2 stops
$500American Airlines
Mon, Mar 9 - Sat, May 9
American Airlines Logo
12:25 pm - 2:06 pm
OPO
-
LGA
30h 41m
2 stops
American Airlines Logo
12:15 pm - 8:00 pm
LGA
-
OPO
26h 45m
2 stops
$501American Airlines
Sat, May 23 - Mon, Jun 1
Multiple Airlines Logo
8:20 am - 9:29 pm
OPO
-
LGA
18h 09m
2 stops
Multiple Airlines Logo
12:10 pm - 11:45 am
LGA
-
OPO
18h 35m
2 stops
$502Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
American Airlines Logo
8:20 am - 8:49 pm
OPO
-
LGA
17h 29m
2 stops
American Airlines Logo
12:10 pm - 11:45 am
LGA
-
OPO
18h 35m
2 stops
$503American Airlines
Wed, Apr 29 - Tue, May 5
American Airlines Logo
8:20 am - 9:29 pm
OPO
-
LGA
18h 09m
2 stops
American Airlines Logo
1:30 pm - 7:40 am
LGA
-
OPO
14h 10m
2 stops
$507American Airlines
Wed, Feb 4 - Mon, Mar 23
American Airlines Logo
8:20 am - 9:29 pm
OPO
-
LGA
18h 09m
2 stops
American Airlines Logo
1:30 pm - 7:40 am
LGA
-
OPO
14h 10m
2 stops
$508American Airlines
Wed, Feb 4 - Mon, Mar 23
American Airlines Logo
8:20 am - 9:29 pm
OPO
-
LGA
18h 09m
2 stops
American Airlines Logo
12:58 pm - 7:40 am
LGA
-
OPO
14h 42m
2 stops
$509American Airlines
Mon, Feb 9 - Tue, Mar 24
Iberia Logo
4:40 pm - 8:43 pm
OPO
-
LGA
33h 03m
2 stops
Iberia Logo
10:35 am - 7:40 am
LGA
-
OPO
16h 05m
2 stops
$512Iberia
Fri, Feb 13 - Sat, Feb 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
Jun 4
OPO6:00 amPorto
32h 31m
2 stops
LGA9:31 amNew York LaGuardia
Jun 9
LGA3:00 pmNew York LaGuardia
34h 50m
2 stops
OPO6:50 amPorto
$551
United Airlines
Feb 15
OPO6:00 amPorto
22h 44m
2 stops
LGA11:44 pmNew York LaGuardia
Mar 2
LGA7:29 pmNew York LaGuardia
14h 26m
2 stops
OPO2:55 pmPorto
$553
United Airlines
Feb 14
OPO6:00 amPorto
20h 53m
2 stops
LGA9:53 pmNew York LaGuardia
Feb 26
LGA2:59 pmNew York LaGuardia
15h 41m
2 stops
OPO11:40 amPorto
$554

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
Mar 16
OPO6:00 amPorto
32h 43m
2 stops
LGA10:43 amNew York LaGuardia
Apr 15
LGA8:55 amNew York LaGuardia
21h 30m
2 stops
OPO11:25 amPorto
$559
Air Canada
Feb 10
OPO6:00 amPorto
31h 07m
2 stops
LGA8:07 amNew York LaGuardia
Mar 11
LGA3:20 pmNew York LaGuardia
16h 45m
2 stops
OPO12:05 pmPorto
$563
Air Canada
Jun 9
OPO11:15 amPorto
15h 11m
1 stop
LGA9:26 pmNew York LaGuardia
Jun 15
LGA3:30 pmNew York LaGuardia
10h 20m
1 stop
OPO6:50 amPorto
$574

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 January 21, 2026.
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

Mon 4/6

6:30 am-7:28 pm

2 stops17h 58m

New York LaGuardia

Mon 4/13

1:00 pm-10:55 am

2 stops16h 55m

$486

PortoNew York

OPO - LGA

OPOLGA

Porto

Sun 4/19

8:20 am-7:13 am

2 stops27h 53m

New York LaGuardia

Wed 4/29

12:49 pm-4:00 pm

2 stops22h 11m

$498

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 3/9

12:25 pm-11:22 am

2 stops26h 57m

New York LaGuardia

Sat 5/9

11:00 am-4:00 pm

2 stops24h 00m

$500

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 5/23

12:25 pm-2:06 pm

2 stops30h 41m

New York LaGuardia

Mon 6/1

12:15 pm-8:00 pm

2 stops26h 45m

$501

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 4/20

8:20 am-9:29 pm

2 stops18h 09m

New York LaGuardia

Mon 4/27

12:10 pm-11:45 am

2 stops18h 35m

$502

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 4/29

8:20 am-8:49 pm

2 stops17h 29m

New York LaGuardia

Tue 5/5

12:10 pm-11:45 am

2 stops18h 35m

$503

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 2/4

8:20 am-9:29 pm

2 stops18h 09m

New York LaGuardia

Mon 3/23

1:30 pm-7:40 am

2 stops14h 10m

$507

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 2/4

8:20 am-9:29 pm

2 stops18h 09m

New York LaGuardia

Mon 3/23

1:30 pm-7:40 am

2 stops14h 10m

$508

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 2/9

8:20 am-9:29 pm

2 stops18h 09m

New York LaGuardia

Tue 3/24

12:58 pm-7:40 am

2 stops14h 42m

$509

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 2/13

4:40 pm-8:43 pm

2 stops33h 03m

New York LaGuardia

Sat 2/21

10:35 am-7:40 am

2 stops16h 05m

$512

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 35m

Direct flights

None
The fastest flight from Porto to New York LaGuardia Airport takes 12h 35m
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 35m.

  • 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
East Rutherford
Asbury Park
Point Pleasant Beach
Beach Haven
Long Branch
Spring Lake
Tannersville
Wayne
Stamford
Secaucus
Parsippany
East Stroudsburg
Ocean Grove
Elizabeth
Mount Laurel
Woodbridge

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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Fri 2/20
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