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Cheap flights from Porto to New York from $334

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 2/15. 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.
Delta Logo
5:00 am - 3:50 pm
OPO
-
LGA
15h 50m2 stops
Delta Logo
1:00 pm - 10:55 am
LGA
-
OPO
16h 55m2 stops
$498Delta
Wed, Apr 1 - Tue, Apr 7
American Airlines Logo
8:20 am - 7:16 am
OPO
-
LGA
26h 56m2 stops
American Airlines Logo
6:00 am - 7:40 am
LGA
-
OPO
21h 40m2 stops
$504American Airlines
Thu, Mar 12 - Mon, Mar 16
American Airlines Logo
8:20 am - 8:15 pm
OPO
-
LGA
16h 55m2 stops
American Airlines Logo
12:55 pm - 11:45 am
LGA
-
OPO
17h 50m2 stops
$505American Airlines
Sat, Feb 14 - Wed, Feb 18
American Airlines Logo
8:20 am - 9:29 pm
OPO
-
LGA
18h 09m2 stops
American Airlines Logo
1:00 pm - 7:40 am
LGA
-
OPO
13h 40m2 stops
$514American Airlines
Sun, Feb 1 - Sun, Feb 22
American Airlines Logo
8:20 am - 9:29 pm
OPO
-
LGA
18h 09m2 stops
American Airlines Logo
1:00 pm - 7:40 am
LGA
-
OPO
13h 40m2 stops
$518American Airlines
Sun, Feb 8 - Sun, Feb 15
American Airlines Logo
8:20 am - 9:12 pm
OPO
-
LGA
17h 52m2 stops
American Airlines Logo
5:40 pm - 11:45 am
LGA
-
OPO
13h 05m2 stops
$522American Airlines
Thu, Feb 12 - Thu, Feb 19
Delta Logo
5:00 am - 9:23 pm
OPO
-
LGA
20h 23m2 stops
Delta Logo
6:59 pm - 3:25 pm
LGA
-
OPO
16h 26m2 stops
$529Delta
Fri, Mar 13 - Fri, Mar 20
Delta Logo
5:00 am - 6:23 pm
OPO
-
LGA
18h 23m2 stops
Delta Logo
1:00 pm - 10:55 am
LGA
-
OPO
16h 55m2 stops
$534Delta
Tue, Mar 31 - Mon, Apr 6
Multiple Airlines Logo
8:20 am - 9:29 pm
OPO
-
LGA
18h 09m2 stops
Multiple Airlines Logo
1:45 pm - 7:40 am
LGA
-
OPO
12h 55m2 stops
$542Multiple Airlines
Mon, Feb 2 - Sun, Feb 8
Delta Logo
5:00 am - 3:50 pm
OPO
-
LGA
15h 50m2 stops
Delta Logo
1:00 pm - 10:55 am
LGA
-
OPO
16h 55m2 stops
$550Delta
Wed, Apr 1 - Tue, Apr 7

Delta flights from Porto to New York LaGuardia Airport

Our best Delta deals on Porto to New York LaGuardia Airport flight tickets
Delta
Apr 1
OPO5:00 amPorto
15h 50m
2 stops
LGA3:50 pmNew York LaGuardia
Apr 7
LGA1:00 pmNew York LaGuardia
16h 55m
2 stops
OPO10:55 amPorto
$498
Find similar
Delta
Mar 13
OPO5:00 amPorto
20h 23m
2 stops
LGA9:23 pmNew York LaGuardia
Mar 20
LGA6:59 pmNew York LaGuardia
16h 26m
2 stops
OPO3:25 pmPorto
$529
Find similar
Delta
Mar 31
OPO5:00 amPorto
18h 23m
2 stops
LGA6:23 pmNew York LaGuardia
Apr 6
LGA1:00 pmNew York LaGuardia
16h 55m
2 stops
OPO10:55 amPorto
$534
Find similar

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 30
OPO6:20 amPorto
21h 11m
2 stops
LGA10:31 pmNew York LaGuardia
May 7
LGA10:30 amNew York LaGuardia
27h 00m
2 stops
OPO6:30 pmPorto
$575
Find similar
Air Canada
Mar 26
OPO6:00 amPorto
31h 18m
2 stops
LGA9:18 amNew York LaGuardia
Apr 3
LGA8:45 pmNew York LaGuardia
33h 25m
2 stops
OPO11:10 amPorto
$591
Find similar
Air Canada
May 1
OPO6:20 amPorto
20h 06m
2 stops
LGA9:26 pmNew York LaGuardia
May 7
LGA10:30 amNew York LaGuardia
27h 00m
2 stops
OPO6:30 pmPorto
$636
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 26, 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 4/1

5:00 am-3:50 pm

2 stops15h 50m

New York LaGuardia

Tue 4/7

1:00 pm-10:55 am

2 stops16h 55m

$498

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 3/12

8:20 am-7:16 am

2 stops26h 56m

New York LaGuardia

Mon 3/16

6:00 am-7:40 am

2 stops21h 40m

$504

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 2/14

8:20 am-8:15 pm

2 stops16h 55m

New York LaGuardia

Wed 2/18

12:55 pm-11:45 am

2 stops17h 50m

$505

PortoNew York

OPO - LGA

OPOLGA

Porto

Sun 2/1

8:20 am-9:29 pm

2 stops18h 09m

New York LaGuardia

Sun 2/22

1:00 pm-7:40 am

2 stops13h 40m

$514

PortoNew York

OPO - LGA

OPOLGA

Porto

Sun 2/8

8:20 am-9:29 pm

2 stops18h 09m

New York LaGuardia

Sun 2/15

1:00 pm-7:40 am

2 stops13h 40m

$518

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 2/12

8:20 am-9:12 pm

2 stops17h 52m

New York LaGuardia

Thu 2/19

5:40 pm-11:45 am

2 stops13h 05m

$522

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 3/13

5:00 am-9:23 pm

2 stops20h 23m

New York LaGuardia

Fri 3/20

6:59 pm-3:25 pm

2 stops16h 26m

$529

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 3/31

5:00 am-6:23 pm

2 stops18h 23m

New York LaGuardia

Mon 4/6

1:00 pm-10:55 am

2 stops16h 55m

$534

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 2/2

8:20 am-9:29 pm

2 stops18h 09m

New York LaGuardia

Sun 2/8

1:45 pm-7:40 am

2 stops12h 55m

$542

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 4/1

5:00 am-3:50 pm

2 stops15h 50m

New York LaGuardia

Tue 4/7

1:00 pm-10:55 am

2 stops16h 55m

$550

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

12h 22m

Direct flights

None
The fastest flight from Porto to New York LaGuardia Airport takes 12h 22m
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 22m.

  • 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
Spring Lake
Long Branch
Tannersville
Wayne
Stamford
Secaucus
East Stroudsburg
Ocean Grove
Elizabeth
Parsippany
Staten Island
Middletown

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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