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Cheap flights from Porto to New York from $361

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 - 3:50 pm
OPO
-
LGA
15h 50m
2 stops
Delta Logo
5:00 pm - 3:25 pm
LGA
-
OPO
17h 25m
2 stops
$516Delta
Sat, Apr 4 - Tue, Apr 7
United Airlines Logo
6:00 am - 6:32 pm
OPO
-
LGA
17h 32m
2 stops
United Airlines Logo
9:00 am - 7:00 am
LGA
-
OPO
17h 00m
2 stops
$571United Airlines
Sat, Aug 29 - Tue, Sep 8
United Airlines Logo
6:00 am - 9:18 pm
OPO
-
LGA
20h 18m
2 stops
United Airlines Logo
7:29 pm - 3:40 pm
LGA
-
OPO
15h 11m
2 stops
$572United Airlines
Sat, Apr 4 - Sun, May 3
United Airlines Logo
6:00 am - 11:30 pm
OPO
-
LGA
22h 30m
2 stops
United Airlines Logo
7:25 pm - 3:45 pm
LGA
-
OPO
15h 20m
2 stops
$575United Airlines
Fri, Apr 17 - Tue, Apr 21
Air Canada Logo
11:05 am - 9:30 pm
OPO
-
LGA
15h 25m
2 stops
Air Canada Logo
2:30 pm - 11:15 am
LGA
-
OPO
15h 45m
2 stops
$591Air Canada
Wed, Apr 22 - Mon, Apr 27
United Airlines Logo
10:15 am - 4:57 pm
OPO
-
LGA
11h 42m
1 stop
United Airlines Logo
10:35 am - 7:00 am
LGA
-
OPO
15h 25m
1 stop
$592United Airlines
Sat, Aug 29 - Tue, Sep 8
United Airlines Logo
10:15 am - 4:56 pm
OPO
-
LGA
11h 41m
1 stop
United Airlines Logo
3:30 pm - 7:00 am
LGA
-
OPO
10h 30m
1 stop
$594United Airlines
Sat, Sep 12 - Sat, Sep 19
United Airlines Logo
6:00 am - 11:30 pm
OPO
-
LGA
22h 30m
2 stops
United Airlines Logo
7:25 pm - 3:45 pm
LGA
-
OPO
39h 20m
2 stops
$595United Airlines
Thu, Apr 2 - Fri, Apr 24
United Airlines Logo
6:00 am - 11:30 pm
OPO
-
LGA
22h 30m
2 stops
United Airlines Logo
2:49 pm - 11:10 am
LGA
-
OPO
15h 21m
2 stops
$596United Airlines
Wed, Apr 1 - Tue, Apr 7
United Airlines Logo
6:00 am - 8:22 pm
OPO
-
LGA
19h 22m
2 stops
United Airlines Logo
3:30 pm - 7:00 am
LGA
-
OPO
10h 30m
1 stop
$599United Airlines
Wed, May 27 - Wed, Jun 3

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
Aug 29
OPO6:00 amPorto
17h 32m
2 stops
LGA6:32 pmNew York LaGuardia
Sep 8
LGA9:00 amNew York LaGuardia
17h 00m
2 stops
OPO7:00 amPorto
$571
United Airlines
Apr 4
OPO6:00 amPorto
20h 18m
2 stops
LGA9:18 pmNew York LaGuardia
May 3
LGA7:29 pmNew York LaGuardia
15h 11m
2 stops
OPO3:40 pmPorto
$572
United Airlines
Apr 17
OPO6:00 amPorto
22h 30m
2 stops
LGA11:30 pmNew York LaGuardia
Apr 21
LGA7:25 pmNew York LaGuardia
15h 20m
2 stops
OPO3:45 pmPorto
$575

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 20
OPO8:20 amPorto
17h 29m
2 stops
LGA8:49 pmNew York LaGuardia
Apr 27
LGA6:03 pmNew York LaGuardia
12h 42m
2 stops
OPO11:45 amPorto
$641
American Airlines
Apr 16
OPO12:25 pmPorto
23h 48m
2 stops
LGA7:13 amNew York LaGuardia
Apr 19
LGA7:59 amNew York LaGuardia
27h 01m
2 stops
OPO4:00 pmPorto
$643
American Airlines
Apr 2
OPO8:20 amPorto
17h 52m
2 stops
LGA9:12 pmNew York LaGuardia
May 6
LGA7:25 amNew York LaGuardia
19h 15m
2 stops
OPO7:40 amPorto
$673

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 22, 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

Sat 4/4

5:00 am-3:50 pm

2 stops15h 50m

New York LaGuardia

Tue 4/7

5:00 pm-3:25 pm

2 stops17h 25m

$516

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 8/29

6:00 am-6:32 pm

2 stops17h 32m

New York LaGuardia

Tue 9/8

9:00 am-7:00 am

2 stops17h 00m

$571

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 4/4

6:00 am-9:18 pm

2 stops20h 18m

New York LaGuardia

Sun 5/3

7:29 pm-3:40 pm

2 stops15h 11m

$572

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 4/17

6:00 am-11:30 pm

2 stops22h 30m

New York LaGuardia

Tue 4/21

7:25 pm-3:45 pm

2 stops15h 20m

$575

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 4/22

11:05 am-9:30 pm

2 stops15h 25m

New York LaGuardia

Mon 4/27

2:30 pm-11:15 am

2 stops15h 45m

$591

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 8/29

10:15 am-4:57 pm

1 stop11h 42m

New York LaGuardia

Tue 9/8

10:35 am-7:00 am

1 stop15h 25m

$592
Quickest round-trip

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 9/12

10:15 am-4:56 pm

1 stop11h 41m

New York LaGuardia

Sat 9/19

3:30 pm-7:00 am

1 stop10h 30m

$594

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 4/2

6:00 am-11:30 pm

2 stops22h 30m

New York LaGuardia

Fri 4/24

7:25 pm-3:45 pm

2 stops39h 20m

$595

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 4/1

6:00 am-11:30 pm

2 stops22h 30m

New York LaGuardia

Tue 4/7

2:49 pm-11:10 am

2 stops15h 21m

$596

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 5/27

6:00 am-8:22 pm

2 stops19h 22m

New York LaGuardia

Wed 6/3

3:30 pm-7:00 am

1 stop10h 30m

$599

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

11h 42m

Direct flights

None
The fastest flight from Porto to New York LaGuardia Airport takes 11h 42m
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 11h 42m.

  • 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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