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Cheap flights from Porto to New York from $388

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 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Porto to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:25 am - 11:45 pm
OPO
-
LGA
17h 20m
2 stops
Delta Logo
1:00 pm - 10:30 am
LGA
-
OPO
16h 30m
2 stops
$589Delta
Tue, Nov 10 - Tue, Nov 17
Delta Logo
11:25 am - 11:45 pm
OPO
-
LGA
17h 20m
2 stops
Delta Logo
12:00 pm - 10:30 am
LGA
-
OPO
17h 30m
2 stops
$592Delta
Tue, Nov 10 - Tue, Nov 17
Delta Logo
11:25 am - 11:45 pm
OPO
-
LGA
17h 20m
2 stops
Delta Logo
12:00 pm - 10:30 am
LGA
-
OPO
17h 30m
2 stops
$594Delta
Tue, Nov 10 - Tue, Nov 17
Multiple Airlines Logo
10:40 pm - 9:30 pm
OPO
-
LGA
27h 50m
3 stops
Multiple Airlines Logo
3:30 pm - 4:10 pm
LGA
-
OPO
19h 40m
2 stops
$598Multiple Airlines
Mon, Oct 5 - Sun, Oct 11
Multiple Airlines Logo
10:30 pm - 7:36 pm
OPO
-
LGA
26h 06m
2 stops
Multiple Airlines Logo
4:00 pm - 4:10 pm
LGA
-
OPO
19h 10m
2 stops
$602Multiple Airlines
Fri, Sep 25 - Tue, Oct 6
Delta Logo
11:25 am - 11:45 pm
OPO
-
LGA
17h 20m
2 stops
Delta Logo
2:55 pm - 10:30 am
LGA
-
OPO
14h 35m
2 stops
$607Delta
Tue, Nov 24 - Tue, Dec 1
American Airlines Logo
8:20 am - 8:59 pm
OPO
-
LGA
17h 39m
2 stops
American Airlines Logo
5:28 pm - 11:45 am
LGA
-
OPO
13h 17m
2 stops
$608American Airlines
Wed, Sep 16 - Wed, Sep 23
American Airlines Logo
8:20 am - 8:53 pm
OPO
-
LGA
17h 33m
2 stops
American Airlines Logo
2:45 pm - 11:45 am
LGA
-
OPO
17h 00m
2 stops
$610American Airlines
Thu, Oct 22 - Wed, Oct 28
Multiple Airlines Logo
10:30 pm - 10:35 pm
OPO
-
LGA
29h 05m
2 stops
Multiple Airlines Logo
3:30 pm - 5:45 pm
LGA
-
OPO
21h 15m
2 stops
$611Multiple Airlines
Fri, Aug 28 - Sun, Sep 6
American Airlines Logo
8:20 am - 1:31 pm
OPO
-
LGA
34h 11m
2 stops
American Airlines Logo
9:15 pm - 11:45 am
LGA
-
OPO
33h 30m
2 stops
$612American Airlines
Thu, Nov 5 - Sun, Nov 8

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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
Nov 10
OPO6:00 amPorto
17h 11m
2 stops
LGA6:11 pmNew York LaGuardia
Nov 17
LGA1:00 pmNew York LaGuardia
17h 45m
2 stops
OPO11:45 amPorto
$653
United Airlines
Sep 25
OPO6:00 amPorto
32h 45m
2 stops
LGA9:45 amNew York LaGuardia
Oct 6
LGA6:30 amNew York LaGuardia
19h 30m
1 stop
OPO7:00 amPorto
$654
United Airlines
Sep 16
OPO6:00 amPorto
19h 25m
2 stops
LGA8:25 pmNew York LaGuardia
Sep 23
LGA3:30 pmNew York LaGuardia
10h 30m
1 stop
OPO7:00 amPorto
$655

Delta flights from Porto to New York LaGuardia Airport

Our best Delta deals on Porto to New York LaGuardia Airport flight tickets
Delta
Nov 10
OPO11:25 amPorto
17h 20m
2 stops
LGA11:45 pmNew York LaGuardia
Nov 17
LGA1:00 pmNew York LaGuardia
16h 30m
2 stops
OPO10:30 amPorto
$589
Delta
Nov 10
OPO11:25 amPorto
17h 20m
2 stops
LGA11:45 pmNew York LaGuardia
Nov 17
LGA12:00 pmNew York LaGuardia
17h 30m
2 stops
OPO10:30 amPorto
$592
Delta
Nov 10
OPO11:25 amPorto
17h 20m
2 stops
LGA11:45 pmNew York LaGuardia
Nov 17
LGA12:00 pmNew York LaGuardia
17h 30m
2 stops
OPO10:30 amPorto
$594

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 June 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

Cheapest round-trip

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 11/10

11:25 am-11:45 pm

2 stops17h 20m

New York LaGuardia

Tue 11/17

1:00 pm-10:30 am

2 stops16h 30m

$589

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 11/10

11:25 am-11:45 pm

2 stops17h 20m

New York LaGuardia

Tue 11/17

12:00 pm-10:30 am

2 stops17h 30m

$592

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 11/10

11:25 am-11:45 pm

2 stops17h 20m

New York LaGuardia

Tue 11/17

12:00 pm-10:30 am

2 stops17h 30m

$594

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 10/5

10:40 pm-9:30 pm

3 stops27h 50m

New York LaGuardia

Sun 10/11

3:30 pm-4:10 pm

2 stops19h 40m

$598

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 9/25

10:30 pm-7:36 pm

2 stops26h 06m

New York LaGuardia

Tue 10/6

4:00 pm-4:10 pm

2 stops19h 10m

$602

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 11/24

11:25 am-11:45 pm

2 stops17h 20m

New York LaGuardia

Tue 12/1

2:55 pm-10:30 am

2 stops14h 35m

$607
Quickest round-trip

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 9/16

8:20 am-8:59 pm

2 stops17h 39m

New York LaGuardia

Wed 9/23

5:28 pm-11:45 am

2 stops13h 17m

$608

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 10/22

8:20 am-8:53 pm

2 stops17h 33m

New York LaGuardia

Wed 10/28

2:45 pm-11:45 am

2 stops17h 00m

$610

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 8/28

10:30 pm-10:35 pm

2 stops29h 05m

New York LaGuardia

Sun 9/6

3:30 pm-5:45 pm

2 stops21h 15m

$611

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 11/5

8:20 am-1:31 pm

2 stops34h 11m

New York LaGuardia

Sun 11/8

9:15 pm-11:45 am

2 stops33h 30m

$612

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 4% 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

13h 21m

Direct flights

None
The fastest flight from Porto to New York LaGuardia Airport takes 13h 21m
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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Frequently asked questions about flying from Porto to New York LaGuardia Airport

  • 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 13h 21m.

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