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Cheap flights from Porto to New York from $335

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 3/11. 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
5:00 am - 4:21 pm
OPO
-
LGA
16h 21m
2 stops
Delta Logo
1:01 pm - 10:30 am
LGA
-
OPO
16h 29m
2 stops
$533Delta
Thu, Feb 19 - Thu, Feb 26
Delta Logo
5:00 am - 7:42 pm
OPO
-
LGA
19h 42m
2 stops
Delta Logo
5:00 pm - 3:25 pm
LGA
-
OPO
17h 25m
2 stops
$552Delta
Wed, Apr 1 - Tue, Apr 7
Delta Logo
5:00 am - 7:42 pm
OPO
-
LGA
19h 42m
2 stops
Delta Logo
5:00 pm - 3:25 pm
LGA
-
OPO
17h 25m
2 stops
$553Delta
Wed, Apr 1 - Tue, Apr 7
United Airlines Logo
6:00 am - 11:30 pm
OPO
-
LGA
22h 30m
2 stops
United Airlines Logo
8:45 am - 6:50 am
LGA
-
OPO
17h 05m
1 stop
$559United Airlines
Wed, Jun 3 - Wed, Jun 10
United Airlines Logo
6:00 am - 11:30 pm
OPO
-
LGA
22h 30m
2 stops
United Airlines Logo
6:30 am - 6:50 am
LGA
-
OPO
19h 20m
1 stop
$560United Airlines
Wed, Jun 3 - Wed, Jun 10
United Airlines Logo
12:30 pm - 1:26 pm
OPO
-
LGA
29h 56m
2 stops
United Airlines Logo
10:26 am - 11:40 am
LGA
-
OPO
21h 14m
2 stops
$561United Airlines
Mon, Feb 23 - Wed, Mar 18
United Airlines Logo
6:00 am - 11:44 pm
OPO
-
LGA
21h 44m
2 stops
United Airlines Logo
10:26 am - 3:15 pm
LGA
-
OPO
24h 49m
2 stops
$562United Airlines
Wed, Mar 11 - Sun, Mar 15
Air Canada Logo
6:00 am - 9:18 am
OPO
-
LGA
31h 18m
2 stops
Air Canada Logo
6:05 am - 12:50 pm
LGA
-
OPO
26h 45m
2 stops
$567Air Canada
Wed, Mar 11 - Sun, Mar 15
Air Canada Logo
6:00 am - 8:07 am
OPO
-
LGA
30h 07m
2 stops
Air Canada Logo
3:20 pm - 12:05 pm
LGA
-
OPO
16h 45m
2 stops
$569Air Canada
Thu, Mar 12 - Wed, Mar 18
Air Canada Logo
6:00 am - 8:07 am
OPO
-
LGA
30h 07m
2 stops
Air Canada Logo
3:20 pm - 12:05 pm
LGA
-
OPO
16h 45m
2 stops
$570Air Canada
Thu, Mar 12 - Wed, Mar 18

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 3
OPO6:00 amPorto
22h 30m
2 stops
LGA11:30 pmNew York LaGuardia
Jun 10
LGA8:45 amNew York LaGuardia
17h 05m
1 stop
OPO6:50 amPorto
$559
United Airlines
Jun 3
OPO6:00 amPorto
22h 30m
2 stops
LGA11:30 pmNew York LaGuardia
Jun 10
LGA6:30 amNew York LaGuardia
19h 20m
1 stop
OPO6:50 amPorto
$560
United Airlines
Feb 23
OPO12:30 pmPorto
29h 56m
2 stops
LGA1:26 pmNew York LaGuardia
Mar 18
LGA10:26 amNew York LaGuardia
21h 14m
2 stops
OPO11:40 amPorto
$561

Delta flights from Porto to New York LaGuardia Airport

Our best Delta deals on Porto to New York LaGuardia Airport flight tickets
Delta
Feb 19
OPO5:00 amPorto
16h 21m
2 stops
LGA4:21 pmNew York LaGuardia
Feb 26
LGA1:01 pmNew York LaGuardia
16h 29m
2 stops
OPO10:30 amPorto
$533
Delta
Apr 1
OPO5:00 amPorto
19h 42m
2 stops
LGA7:42 pmNew York LaGuardia
Apr 7
LGA5:00 pmNew York LaGuardia
17h 25m
2 stops
OPO3:25 pmPorto
$552
Delta
Apr 1
OPO5:00 amPorto
19h 42m
2 stops
LGA7:42 pmNew York LaGuardia
Apr 7
LGA5:00 pmNew York LaGuardia
17h 25m
2 stops
OPO3:25 pmPorto
$553

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 February 8, 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

Thu 2/19

5:00 am-4:21 pm

2 stops16h 21m

New York LaGuardia

Thu 2/26

1:01 pm-10:30 am

2 stops16h 29m

$533

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 4/1

5:00 am-7:42 pm

2 stops19h 42m

New York LaGuardia

Tue 4/7

5:00 pm-3:25 pm

2 stops17h 25m

$552

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 4/1

5:00 am-7:42 pm

2 stops19h 42m

New York LaGuardia

Tue 4/7

5:00 pm-3:25 pm

2 stops17h 25m

$553

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 6/3

6:00 am-11:30 pm

2 stops22h 30m

New York LaGuardia

Wed 6/10

8:45 am-6:50 am

1 stop17h 05m

$559

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 6/3

6:00 am-11:30 pm

2 stops22h 30m

New York LaGuardia

Wed 6/10

6:30 am-6:50 am

1 stop19h 20m

$560

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 2/23

12:30 pm-1:26 pm

2 stops29h 56m

New York LaGuardia

Wed 3/18

10:26 am-11:40 am

2 stops21h 14m

$561

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 3/11

6:00 am-11:44 pm

2 stops21h 44m

New York LaGuardia

Sun 3/15

10:26 am-3:15 pm

2 stops24h 49m

$562

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 3/11

6:00 am-9:18 am

2 stops31h 18m

New York LaGuardia

Sun 3/15

6:05 am-12:50 pm

2 stops26h 45m

$567

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 3/12

6:00 am-8:07 am

2 stops30h 07m

New York LaGuardia

Wed 3/18

3:20 pm-12:05 pm

2 stops16h 45m

$569

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 3/12

6:00 am-8:07 am

2 stops30h 07m

New York LaGuardia

Wed 3/18

3:20 pm-12:05 pm

2 stops16h 45m

$570

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

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 35% 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
East Rutherford
Asbury Park
Point Pleasant Beach
Beach Haven
Long Branch
Spring Lake
Tannersville
Wayne
Stamford
Secaucus
East Stroudsburg
Ocean Grove
Parsippany
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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Tue 3/10
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