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Cheap flights from Porto to New York from $330

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 1/29. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 6:27 pm
OPO
-
LGA
17h 27m2 stops
United Airlines Logo
7:00 am - 6:50 am
LGA
-
OPO
18h 50m1 stop
$552United Airlines
Wed, May 20 - Fri, Jun 5
Air Canada Logo
6:00 am - 7:58 pm
OPO
-
LGA
18h 58m2 stops
Air Canada Logo
7:55 am - 6:50 am
LGA
-
OPO
17h 55m2 stops
$553Air Canada
Wed, May 27 - Mon, Jun 1
United Airlines Logo
6:00 am - 9:14 pm
OPO
-
LGA
20h 14m2 stops
United Airlines Logo
2:55 pm - 11:40 am
LGA
-
OPO
15h 45m2 stops
$554United Airlines
Thu, Jan 22 - Wed, Jan 28
Delta Logo
6:35 am - 4:30 pm
OPO
-
LGA
14h 55m2 stops
Delta Logo
2:59 pm - 10:30 am
LGA
-
OPO
14h 31m2 stops
$557Delta
Thu, Jan 15 - Wed, Jan 21
Delta Logo
6:30 am - 7:31 pm
OPO
-
LGA
18h 01m2 stops
Delta Logo
6:00 pm - 3:25 pm
LGA
-
OPO
16h 25m2 stops
$566Delta
Fri, Jan 16 - Sun, Jan 25
Air Canada Logo
6:00 am - 7:36 pm
OPO
-
LGA
18h 36m2 stops
Air Canada Logo
8:45 am - 6:50 am
LGA
-
OPO
17h 05m1 stop
$573Air Canada
Wed, Jun 3 - Wed, Jun 10
United Airlines Logo
12:30 pm - 11:21 pm
OPO
-
LGA
39h 51m2 stops
United Airlines Logo
10:10 am - 11:40 am
LGA
-
OPO
20h 30m2 stops
$574United Airlines
Fri, Jan 23 - Fri, Jan 30
United Airlines Logo
6:00 am - 8:16 pm
OPO
-
LGA
19h 16m2 stops
United Airlines Logo
8:20 pm - 6:50 am
LGA
-
OPO
29h 30m1 stop
$575United Airlines
Thu, Jun 4 - Tue, Jun 9
Air Canada Logo
6:00 am - 7:58 pm
OPO
-
LGA
18h 58m2 stops
Air Canada Logo
7:00 am - 6:50 am
LGA
-
OPO
18h 50m1 stop
$576Air Canada
Tue, May 26 - Wed, Jun 3
United Airlines Logo
6:00 am - 6:11 pm
OPO
-
LGA
17h 11m2 stops
United Airlines Logo
6:05 am - 3:40 pm
LGA
-
OPO
28h 35m2 stops
$577United Airlines
Tue, Apr 14 - Wed, Apr 22

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
May 20
OPO6:00 amPorto
17h 27m
2 stops
LGA6:27 pmNew York LaGuardia
Jun 5
LGA7:00 amNew York LaGuardia
18h 50m
1 stop
OPO6:50 amPorto
$552
Find similar
United Airlines
Jan 22
OPO6:00 amPorto
20h 14m
2 stops
LGA9:14 pmNew York LaGuardia
Jan 28
LGA2:55 pmNew York LaGuardia
15h 45m
2 stops
OPO11:40 amPorto
$554
Find similar
United Airlines
Jan 23
OPO12:30 pmPorto
39h 51m
2 stops
LGA11:21 pmNew York LaGuardia
Jan 30
LGA10:10 amNew York LaGuardia
20h 30m
2 stops
OPO11:40 amPorto
$574
Find similar

Delta flights from Porto to New York LaGuardia Airport

Our best Delta deals on Porto to New York LaGuardia Airport flight tickets
Delta
Jan 15
OPO6:35 amPorto
16h 53m
2 stops
LGA6:28 pmNew York LaGuardia
Jan 21
LGA2:00 pmNew York LaGuardia
15h 30m
2 stops
OPO10:30 amPorto
$557
Find similar
Delta
Jan 16
OPO6:30 amPorto
18h 01m
2 stops
LGA7:31 pmNew York LaGuardia
Jan 25
LGA6:00 pmNew York LaGuardia
16h 25m
2 stops
OPO3:25 pmPorto
$566
Find similar
Delta
Feb 12
OPO11:20 amPorto
17h 25m
2 stops
LGA11:45 pmNew York LaGuardia
Feb 19
LGA1:01 pmNew York LaGuardia
16h 24m
2 stops
OPO10:25 amPorto
$580
Find similar

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 December 10, 2025.
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

Wed 5/20

6:00 am-6:27 pm

2 stops17h 27m

New York LaGuardia

Fri 6/5

7:00 am-6:50 am

1 stop18h 50m

$552

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 5/27

6:00 am-7:58 pm

2 stops18h 58m

New York LaGuardia

Mon 6/1

7:55 am-6:50 am

2 stops17h 55m

$553

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 1/22

6:00 am-9:14 pm

2 stops20h 14m

New York LaGuardia

Wed 1/28

2:55 pm-11:40 am

2 stops15h 45m

$554

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 1/15

6:35 am-4:30 pm

2 stops14h 55m

New York LaGuardia

Wed 1/21

2:59 pm-10:30 am

2 stops14h 31m

$557

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 1/16

6:30 am-7:31 pm

2 stops18h 01m

New York LaGuardia

Sun 1/25

6:00 pm-3:25 pm

2 stops16h 25m

$566

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 6/3

6:00 am-7:36 pm

2 stops18h 36m

New York LaGuardia

Wed 6/10

8:45 am-6:50 am

1 stop17h 05m

$573

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 1/23

12:30 pm-11:21 pm

2 stops39h 51m

New York LaGuardia

Fri 1/30

10:10 am-11:40 am

2 stops20h 30m

$574

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 6/4

6:00 am-8:16 pm

2 stops19h 16m

New York LaGuardia

Tue 6/9

8:20 pm-6:50 am

1 stop29h 30m

$575

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 5/26

6:00 am-7:58 pm

2 stops18h 58m

New York LaGuardia

Wed 6/3

7:00 am-6:50 am

1 stop18h 50m

$576

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 4/14

6:00 am-6:11 pm

2 stops17h 11m

New York LaGuardia

Wed 4/22

6:05 am-3:40 pm

2 stops28h 35m

$577

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 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

16h 55m

Direct flights

None
The fastest flight from Porto to New York LaGuardia Airport takes 16h 55m
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 16h 55m.

  • 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
Asbury Park
East Rutherford
Point Pleasant Beach
Beach Haven
Spring Lake
Long Branch
Tannersville
Wayne
Stamford
Secaucus
East Stroudsburg
Elizabeth
Ocean Grove
Parsippany
Staten Island
Pocono Manor

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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