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Cheap flights from Porto to New York from $384

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 9/30. 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 - 4:23 pm
OPO
-
LGA
16h 23m
2 stops
Delta Logo
3:00 pm - 10:40 am
LGA
-
OPO
14h 40m
2 stops
$526Delta
Mon, May 4 - Mon, May 11
Delta Logo
5:00 am - 3:48 pm
OPO
-
LGA
15h 48m
2 stops
Delta Logo
6:00 pm - 3:25 pm
LGA
-
OPO
16h 25m
2 stops
$593Delta
Tue, Apr 28 - Mon, May 4
Delta Logo
5:00 am - 4:23 pm
OPO
-
LGA
16h 23m
2 stops
Delta Logo
1:00 pm - 10:40 am
LGA
-
OPO
16h 40m
2 stops
$601Delta
Mon, May 4 - Mon, May 11
Delta Logo
5:00 am - 4:23 pm
OPO
-
LGA
16h 23m
2 stops
Delta Logo
1:00 pm - 10:40 am
LGA
-
OPO
16h 40m
2 stops
$602Delta
Mon, May 4 - Mon, May 11
Delta Logo
6:30 am - 8:00 pm
OPO
-
LGA
18h 30m
2 stops
Delta Logo
1:00 pm - 10:40 am
LGA
-
OPO
16h 40m
2 stops
$611Delta
Mon, May 4 - Mon, May 11
Air Transat Logo
1:30 pm - 8:55 am
OPO
-
LGA
24h 25m
1 stop
Air Transat Logo
9:55 am - 11:45 am
LGA
-
OPO
20h 50m
1 stop
$629Air Transat
Thu, May 28 - Sun, Jun 7
Air Transat Logo
1:30 pm - 8:55 am
OPO
-
LGA
24h 25m
1 stop
Air Transat Logo
9:55 am - 11:45 am
LGA
-
OPO
20h 50m
1 stop
$632Air Transat
Mon, May 4 - Mon, May 11
Air Transat Logo
1:30 pm - 8:55 am
OPO
-
LGA
24h 25m
1 stop
Air Transat Logo
8:25 pm - 11:45 am
LGA
-
OPO
10h 20m
1 stop
$656Air Transat
Thu, May 7 - Fri, May 29
Air Transat Logo
1:30 pm - 4:55 pm
OPO
-
LGA
32h 25m
1 stop
Air Transat Logo
5:55 pm - 11:55 am
LGA
-
OPO
13h 00m
1 stop
$657Air Transat
Tue, May 12 - Wed, May 27
Air Transat Logo
1:30 pm - 8:55 am
OPO
-
LGA
24h 25m
1 stop
Air Transat Logo
9:55 am - 11:55 am
LGA
-
OPO
21h 00m
1 stop
$658Air Transat
Sat, May 9 - Wed, May 27

Air Transat flights from Porto to New York LaGuardia Airport

Our best Air Transat deals on Porto to New York LaGuardia Airport flight tickets
Air Transat
May 28
OPO1:30 pmPorto
24h 25m
1 stop
LGA8:55 amNew York LaGuardia
Jun 7
LGA9:55 amNew York LaGuardia
20h 50m
1 stop
OPO11:45 amPorto
$629
Air Transat
May 4
OPO1:30 pmPorto
24h 25m
1 stop
LGA8:55 amNew York LaGuardia
May 11
LGA9:55 amNew York LaGuardia
20h 50m
1 stop
OPO11:45 amPorto
$632
Air Transat
May 7
OPO1:30 pmPorto
24h 25m
1 stop
LGA8:55 amNew York LaGuardia
May 29
LGA8:25 pmNew York LaGuardia
10h 20m
1 stop
OPO11:45 amPorto
$656

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
May 18
OPO8:20 amPorto
27h 53m
2 stops
LGA7:13 amNew York LaGuardia
May 24
LGA6:10 pmNew York LaGuardia
16h 50m
2 stops
OPO4:00 pmPorto
$699
American Airlines
May 18
OPO8:20 amPorto
27h 53m
2 stops
LGA7:13 amNew York LaGuardia
May 24
LGA6:10 pmNew York LaGuardia
16h 50m
2 stops
OPO4:00 pmPorto
$700
American Airlines
Apr 18
OPO8:20 amPorto
17h 39m
2 stops
LGA8:59 pmNew York LaGuardia
Apr 21
LGA10:10 amNew York LaGuardia
20h 35m
2 stops
OPO11:45 amPorto
$710

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 16, 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
Quickest round-trip

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

$526

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 4/28

5:00 am-3:48 pm

2 stops15h 48m

New York LaGuardia

Mon 5/4

6:00 pm-3:25 pm

2 stops16h 25m

$593

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 5/4

5:00 am-4:23 pm

2 stops16h 23m

New York LaGuardia

Mon 5/11

1:00 pm-10:40 am

2 stops16h 40m

$601

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 5/4

5:00 am-4:23 pm

2 stops16h 23m

New York LaGuardia

Mon 5/11

1:00 pm-10:40 am

2 stops16h 40m

$602

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 5/4

6:30 am-8:00 pm

2 stops18h 30m

New York LaGuardia

Mon 5/11

1:00 pm-10:40 am

2 stops16h 40m

$611

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 5/28

1:30 pm-8:55 am

1 stop24h 25m

New York LaGuardia

Sun 6/7

9:55 am-11:45 am

1 stop20h 50m

$629

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 5/4

1:30 pm-8:55 am

1 stop24h 25m

New York LaGuardia

Mon 5/11

9:55 am-11:45 am

1 stop20h 50m

$632

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 5/7

1:30 pm-8:55 am

1 stop24h 25m

New York LaGuardia

Fri 5/29

8:25 pm-11:45 am

1 stop10h 20m

$656

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 5/12

1:30 pm-4:55 pm

1 stop32h 25m

New York LaGuardia

Wed 5/27

5:55 pm-11:55 am

1 stop13h 00m

$657

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 5/9

1:30 pm-8:55 am

1 stop24h 25m

New York LaGuardia

Wed 5/27

9:55 am-11:55 am

1 stop21h 00m

$658

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

10h 37m

Direct flights

None
The fastest flight from Porto to New York LaGuardia Airport takes 10h 37m
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 10h 37m.

  • 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
Spring Lake
Stamford
Tannersville
Woodbridge
East Stroudsburg
Secaucus
Parsippany
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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