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Cheap flights from Porto to New York from $385

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 9/17. 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 - 6:30 pm
OPO
-
LGA
18h 30m
2 stops
Delta Logo
2:00 pm - 10:40 am
LGA
-
OPO
15h 40m
2 stops
$528Delta
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
7:15 am - 10:19 pm
OPO
-
LGA
20h 04m
3 stops
Multiple Airlines Logo
5:00 pm - 9:55 pm
LGA
-
OPO
23h 55m
3 stops
$592Multiple Airlines
Wed, May 6 - Sun, May 10
Delta Logo
5:00 am - 4:23 pm
OPO
-
LGA
16h 23m
2 stops
Delta Logo
2:00 pm - 10:40 am
LGA
-
OPO
15h 40m
2 stops
$603Delta
Mon, May 4 - Mon, May 11
Delta Logo
5:00 am - 4:23 pm
OPO
-
LGA
16h 23m
2 stops
Delta Logo
3:00 pm - 10:40 am
LGA
-
OPO
14h 40m
2 stops
$604Delta
Mon, May 4 - Mon, May 11
Delta Logo
6:30 am - 6:30 pm
OPO
-
LGA
17h 00m
2 stops
Delta Logo
2:00 pm - 10:40 am
LGA
-
OPO
15h 40m
2 stops
$610Delta
Mon, May 4 - Mon, May 11
Delta Logo
5:00 am - 4:23 pm
OPO
-
LGA
16h 23m
2 stops
Delta Logo
3:00 pm - 10:40 am
LGA
-
OPO
14h 40m
2 stops
$629Delta
Mon, May 4 - Mon, May 11
Delta Logo
5:55 am - 7:05 pm
OPO
-
LGA
18h 10m
2 stops
Delta Logo
3:00 pm - 10:40 am
LGA
-
OPO
14h 40m
2 stops
$637Delta
Sat, May 2 - Mon, May 11
Air Canada Logo
6:00 am - 7:36 pm
OPO
-
LGA
18h 36m
2 stops
Air Canada Logo
3:30 pm - 7:00 am
LGA
-
OPO
10h 30m
1 stop
$661Air Canada
Thu, Sep 24 - Mon, Sep 28
Air Canada Logo
6:00 am - 7:36 pm
OPO
-
LGA
18h 36m
2 stops
Air Canada Logo
3:30 pm - 7:00 am
LGA
-
OPO
10h 30m
1 stop
$662Air Canada
Thu, Sep 24 - Mon, Sep 28
Air Canada Logo
6:00 am - 7:36 pm
OPO
-
LGA
18h 36m
2 stops
Air Canada Logo
10:00 am - 7:00 am
LGA
-
OPO
16h 00m
2 stops
$663Air Canada
Thu, Sep 24 - Mon, Sep 28

Delta flights from Porto to New York LaGuardia Airport

Our best Delta deals on Porto to New York LaGuardia Airport flight tickets
Delta
Apr 30
OPO5:00 amPorto
16h 23m
2 stops
LGA4:23 pmNew York LaGuardia
May 8
LGA1:00 pmNew York LaGuardia
16h 40m
2 stops
OPO10:40 amPorto
$527
Delta
May 4
OPO5:00 amPorto
18h 30m
2 stops
LGA6:30 pmNew York LaGuardia
May 11
LGA2:00 pmNew York LaGuardia
15h 40m
2 stops
OPO10:40 amPorto
$528
Delta
May 4
OPO5:00 amPorto
16h 23m
2 stops
LGA4:23 pmNew York LaGuardia
May 11
LGA2:00 pmNew York LaGuardia
15h 40m
2 stops
OPO10:40 amPorto
$603

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
Sep 24
OPO6:00 amPorto
18h 36m
2 stops
LGA7:36 pmNew York LaGuardia
Sep 28
LGA3:30 pmNew York LaGuardia
10h 30m
1 stop
OPO7:00 amPorto
$661
Air Canada
Sep 24
OPO6:00 amPorto
18h 36m
2 stops
LGA7:36 pmNew York LaGuardia
Sep 28
LGA3:30 pmNew York LaGuardia
10h 30m
1 stop
OPO7:00 amPorto
$662
Air Canada
Sep 24
OPO6:00 amPorto
18h 36m
2 stops
LGA7:36 pmNew York LaGuardia
Sep 28
LGA10:00 amNew York LaGuardia
16h 00m
2 stops
OPO7:00 amPorto
$663

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 April 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

Mon 5/4

5:00 am-6:30 pm

2 stops18h 30m

New York LaGuardia

Mon 5/11

2:00 pm-10:40 am

2 stops15h 40m

$528

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 5/6

7:15 am-10:19 pm

3 stops20h 04m

New York LaGuardia

Sun 5/10

5:00 pm-9:55 pm

3 stops23h 55m

$592

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 5/4

5:00 am-4:23 pm

2 stops16h 23m

New York LaGuardia

Mon 5/11

2:00 pm-10:40 am

2 stops15h 40m

$603

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 5/4

5:00 am-4:23 pm

2 stops16h 23m

New York LaGuardia

Mon 5/11

3:00 pm-10:40 am

2 stops14h 40m

$604

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 5/4

6:30 am-6:30 pm

2 stops17h 00m

New York LaGuardia

Mon 5/11

2:00 pm-10:40 am

2 stops15h 40m

$610

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 5/4

5:00 am-4:23 pm

2 stops16h 23m

New York LaGuardia

Mon 5/11

3:00 pm-10:40 am

2 stops14h 40m

$629

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 5/2

5:55 am-7:05 pm

2 stops18h 10m

New York LaGuardia

Mon 5/11

3:00 pm-10:40 am

2 stops14h 40m

$637
Quickest round-trip

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/24

6:00 am-7:36 pm

2 stops18h 36m

New York LaGuardia

Mon 9/28

3:30 pm-7:00 am

1 stop10h 30m

$661

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/24

6:00 am-7:36 pm

2 stops18h 36m

New York LaGuardia

Mon 9/28

3:30 pm-7:00 am

1 stop10h 30m

$662

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/24

6:00 am-7:36 pm

2 stops18h 36m

New York LaGuardia

Mon 9/28

10:00 am-7:00 am

2 stops16h 00m

$663

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

12h 55m

Direct flights

None
The fastest flight from Porto to New York LaGuardia Airport takes 12h 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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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 12h 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
East Rutherford
Asbury Park
Point Pleasant Beach
Beach Haven
Long Branch
Wayne
Stamford
Spring Lake
Tannersville
Woodbridge
Parsippany
East Stroudsburg
Secaucus
Mount Laurel
Ocean Grove
Edgewater

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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