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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 5/14. 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 - 4:15 pm
OPO
-
LGA
16h 15m
2 stops
Delta Logo
5:00 pm - 3:25 pm
LGA
-
OPO
17h 25m
2 stops
$518Delta
Tue, Apr 7 - Tue, Apr 14
Air Canada Logo
6:20 am - 9:30 pm
OPO
-
LGA
20h 10m
2 stops
Air Canada Logo
6:35 am - 11:10 am
LGA
-
OPO
23h 35m
2 stops
$540Air Canada
Fri, Apr 3 - Tue, Apr 7
United Airlines Logo
12:10 pm - 11:30 pm
OPO
-
LGA
16h 20m
2 stops
United Airlines Logo
11:20 am - 3:40 pm
LGA
-
OPO
23h 20m
2 stops
$551United Airlines
Mon, Mar 30 - Wed, Apr 8
Air Canada Logo
6:00 am - 7:51 am
OPO
-
LGA
30h 51m
2 stops
Air Canada Logo
7:10 am - 6:15 pm
LGA
-
OPO
30h 05m
2 stops
$553Air Canada
Thu, Apr 9 - Sun, Apr 19
United Airlines Logo
12:10 pm - 11:30 pm
OPO
-
LGA
16h 20m
2 stops
United Airlines Logo
6:00 am - 3:40 pm
LGA
-
OPO
28h 40m
2 stops
$554United Airlines
Thu, Apr 16 - Mon, Apr 20
Air Canada Logo
6:00 am - 7:51 am
OPO
-
LGA
30h 51m
2 stops
Air Canada Logo
7:10 am - 6:15 pm
LGA
-
OPO
30h 05m
2 stops
$555Air Canada
Thu, Apr 16 - Sun, Apr 19
Air Canada Logo
6:00 am - 10:31 pm
OPO
-
LGA
21h 31m
2 stops
Air Canada Logo
8:55 am - 6:15 pm
LGA
-
OPO
28h 20m
2 stops
$556Air Canada
Thu, Apr 16 - Sun, Apr 19
Air Canada Logo
11:05 am - 9:30 pm
OPO
-
LGA
15h 25m
2 stops
Air Canada Logo
6:35 am - 11:10 am
LGA
-
OPO
23h 35m
2 stops
$557Air Canada
Wed, Apr 15 - Tue, Apr 21
Air Canada Logo
12:10 pm - 1:36 pm
OPO
-
LGA
30h 26m
2 stops
Air Canada Logo
10:30 am - 11:10 am
LGA
-
OPO
19h 40m
2 stops
$562Air Canada
Thu, Apr 9 - Tue, Apr 21
Air Canada Logo
11:05 am - 9:30 pm
OPO
-
LGA
15h 25m
2 stops
Air Canada Logo
7:10 am - 11:25 am
LGA
-
OPO
23h 15m
2 stops
$563Air Canada
Tue, Apr 14 - Tue, Apr 28

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
Apr 3
OPO6:20 amPorto
20h 10m
2 stops
LGA9:30 pmNew York LaGuardia
Apr 7
LGA6:35 amNew York LaGuardia
23h 35m
2 stops
OPO11:10 amPorto
$540
Air Canada
Apr 9
OPO6:00 amPorto
30h 51m
2 stops
LGA7:51 amNew York LaGuardia
Apr 19
LGA7:10 amNew York LaGuardia
30h 05m
2 stops
OPO6:15 pmPorto
$553
Air Canada
Apr 16
OPO6:00 amPorto
30h 51m
2 stops
LGA7:51 amNew York LaGuardia
Apr 19
LGA7:10 amNew York LaGuardia
30h 05m
2 stops
OPO6:15 pmPorto
$555

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
Mar 30
OPO12:10 pmPorto
16h 20m
2 stops
LGA11:30 pmNew York LaGuardia
Apr 8
LGA11:20 amNew York LaGuardia
23h 20m
2 stops
OPO3:40 pmPorto
$551
United Airlines
Apr 16
OPO12:10 pmPorto
16h 20m
2 stops
LGA11:30 pmNew York LaGuardia
Apr 21
LGA2:49 pmNew York LaGuardia
15h 21m
2 stops
OPO11:10 amPorto
$554
United Airlines
May 15
OPO6:00 amPorto
22h 30m
2 stops
LGA11:30 pmNew York LaGuardia
Jun 2
LGA2:51 pmNew York LaGuardia
35h 09m
2 stops
OPO7:00 amPorto
$569

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 March 11, 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

Cheapest round-trip
Quickest round-trip

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 4/7

5:00 am-4:15 pm

2 stops16h 15m

New York LaGuardia

Tue 4/14

5:00 pm-3:25 pm

2 stops17h 25m

$518

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 4/3

6:20 am-9:30 pm

2 stops20h 10m

New York LaGuardia

Tue 4/7

6:35 am-11:10 am

2 stops23h 35m

$540

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 3/30

12:10 pm-11:30 pm

2 stops16h 20m

New York LaGuardia

Wed 4/8

11:20 am-3:40 pm

2 stops23h 20m

$551

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 4/9

6:00 am-7:51 am

2 stops30h 51m

New York LaGuardia

Sun 4/19

7:10 am-6:15 pm

2 stops30h 05m

$553

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 4/16

12:10 pm-11:30 pm

2 stops16h 20m

New York LaGuardia

Mon 4/20

6:00 am-3:40 pm

2 stops28h 40m

$554

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 4/16

6:00 am-7:51 am

2 stops30h 51m

New York LaGuardia

Sun 4/19

7:10 am-6:15 pm

2 stops30h 05m

$555

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 4/16

6:00 am-10:31 pm

2 stops21h 31m

New York LaGuardia

Sun 4/19

8:55 am-6:15 pm

2 stops28h 20m

$556

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 4/15

11:05 am-9:30 pm

2 stops15h 25m

New York LaGuardia

Tue 4/21

6:35 am-11:10 am

2 stops23h 35m

$557

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 4/9

12:10 pm-1:36 pm

2 stops30h 26m

New York LaGuardia

Tue 4/21

10:30 am-11:10 am

2 stops19h 40m

$562

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 4/14

11:05 am-9:30 pm

2 stops15h 25m

New York LaGuardia

Tue 4/28

7:10 am-11:25 am

2 stops23h 15m

$563

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 16% 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

9h 43m

Direct flights

None
The fastest flight from Porto to New York LaGuardia Airport takes 9h 43m
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 9h 43m.

  • 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
Wayne
Tannersville
Stamford
East Stroudsburg
Woodbridge
Secaucus
Parsippany
Ocean Grove
Mount Laurel
Elizabeth

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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