Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Porto to New York from $376

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 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Porto to New York

Cheap round-trip flights

Air Canada Logo
6:00 am - 10:33 pmOPO-LGA
21h 33m2 stops
Air Canada Logo
7:45 pm - 11:15 amLGA-OPO
34h 30m2 stops
$497Air Canada
Find Deal
mié., dic. 17 - mar., ene. 6
United Airlines Logo
12:30 pm - 9:07 amOPO-LGA
25h 37m2 stops
United Airlines Logo
7:29 pm - 2:45 pmLGA-OPO
38h 16m2 stops
$501United Airlines
Find Deal
lun., dic. 15 - lun., ene. 5
Air Canada Logo
6:00 am - 10:33 pmOPO-LGA
21h 33m2 stops
Air Canada Logo
3:20 pm - 2:45 pmLGA-OPO
18h 25m2 stops
$502Air Canada
Find Deal
vie., nov. 7 - vie., nov. 14
United Airlines Logo
6:00 am - 4:05 pmOPO-LGA
39h 05m2 stops
United Airlines Logo
2:59 pm - 3:25 pmLGA-OPO
19h 26m2 stops
$503United Airlines
Find Deal
vie., feb. 13 - mié., feb. 18
American Airlines Logo
8:20 am - 8:26 pmOPO-LGA
17h 06m2 stops
American Airlines Logo
4:00 pm - 11:45 amLGA-OPO
14h 45m2 stops
$510American Airlines
Find Deal
jue., dic. 4 - lun., dic. 8
American Airlines Logo
8:20 am - 8:26 pmOPO-LGA
17h 06m2 stops
American Airlines Logo
5:55 pm - 11:45 amLGA-OPO
12h 50m2 stops
$511American Airlines
Find Deal
jue., dic. 4 - lun., dic. 8
Delta Logo
11:25 am - 11:37 pmOPO-LGA
17h 12m2 stops
Delta Logo
2:00 pm - 10:15 amLGA-OPO
15h 15m2 stops
$519Delta
Find Deal
lun., nov. 3 - lun., nov. 17
Delta Logo
6:40 am - 9:29 pmOPO-LGA
19h 49m2 stops
Delta Logo
5:00 pm - 3:30 pmLGA-OPO
17h 30m2 stops
$536Delta
Find Deal
vie., oct. 3 - dom., oct. 12
Logo
9:55 pm - 9:33 pmOPO-LGA
27h 38m2 stops
Logo
5:35 pm - 12:00 pmLGA-OPO
13h 25m2 stops
$559
Find Deal
mié., oct. 29 - mié., nov. 5
Logo
9:55 pm - 7:03 pmOPO-LGA
25h 08m2 stops
Logo
12:45 pm - 12:00 pmLGA-OPO
18h 15m3 stops
$566
Find Deal
mié., oct. 29 - mié., nov. 5

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
Dec 15
OPO12:30 pmPorto
25h 37m
2 stops
LGA9:07 amNew York LaGuardia
Jan 5
LGA7:29 pmNew York LaGuardia
38h 16m
2 stops
OPO2:45 pmPorto
$501
Find similar
United Airlines
Feb 13
OPO6:00 amPorto
39h 05m
2 stops
LGA4:05 pmNew York LaGuardia
Feb 18
LGA2:59 pmNew York LaGuardia
19h 26m
2 stops
OPO3:25 pmPorto
$503
Find similar
United Airlines
Oct 29
OPO12:30 pmPorto
32h 37m
2 stops
LGA5:07 pmNew York LaGuardia
Nov 5
LGA1:05 pmNew York LaGuardia
21h 20m
2 stops
OPO3:25 pmPorto
$544
Find similar

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
Dec 4
OPO8:20 amPorto
17h 06m
2 stops
LGA8:26 pmNew York LaGuardia
Dec 8
LGA4:00 pmNew York LaGuardia
14h 45m
2 stops
OPO11:45 amPorto
$510
Find similar
American Airlines
Dec 4
OPO8:20 amPorto
17h 06m
2 stops
LGA8:26 pmNew York LaGuardia
Dec 8
LGA5:55 pmNew York LaGuardia
12h 50m
2 stops
OPO11:45 amPorto
$511
Find similar
American Airlines
Mar 9
OPO8:20 amPorto
16h 16m
2 stops
LGA8:36 pmNew York LaGuardia
Mar 16
LGA1:00 pmNew York LaGuardia
14h 40m
2 stops
OPO7:40 amPorto
$528
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 septiembre 15, 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

mié. 12/17

6:00 am-10:33 pm

2 stops21h 33m

New York LaGuardia

mar. 1/6

7:45 pm-11:15 am

2 stops34h 30m

$497

PortoNew York

OPO - LGA

OPOLGA

Porto

lun. 12/15

12:30 pm-9:07 am

2 stops25h 37m

New York LaGuardia

lun. 1/5

7:29 pm-2:45 pm

2 stops38h 16m

$501

PortoNew York

OPO - LGA

OPOLGA

Porto

vie. 11/7

6:00 am-10:33 pm

2 stops21h 33m

New York LaGuardia

vie. 11/14

3:20 pm-2:45 pm

2 stops18h 25m

$502

PortoNew York

OPO - LGA

OPOLGA

Porto

vie. 2/13

6:00 am-4:05 pm

2 stops39h 05m

New York LaGuardia

mié. 2/18

2:59 pm-3:25 pm

2 stops19h 26m

$503

PortoNew York

OPO - LGA

OPOLGA

Porto

jue. 12/4

8:20 am-8:26 pm

2 stops17h 06m

New York LaGuardia

lun. 12/8

4:00 pm-11:45 am

2 stops14h 45m

$510

PortoNew York

OPO - LGA

OPOLGA

Porto

jue. 12/4

8:20 am-8:26 pm

2 stops17h 06m

New York LaGuardia

lun. 12/8

5:55 pm-11:45 am

2 stops12h 50m

$511

PortoNew York

OPO - LGA

OPOLGA

Porto

lun. 11/3

11:25 am-11:37 pm

2 stops17h 12m

New York LaGuardia

lun. 11/17

2:00 pm-10:15 am

2 stops15h 15m

$519

PortoNew York

OPO - LGA

OPOLGA

Porto

vie. 10/3

6:40 am-9:29 pm

2 stops19h 49m

New York LaGuardia

dom. 10/12

5:00 pm-3:30 pm

2 stops17h 30m

$536

PortoNew York

OPO - LGA

OPOLGA

Porto

mié. 10/29

9:55 pm-9:33 pm

2 stops27h 38m

New York LaGuardia

mié. 11/5

5:35 pm-12:00 pm

2 stops13h 25m

$559

PortoNew York

OPO - LGA

OPOLGA

Porto

mié. 10/29

9:55 pm-7:03 pm

2 stops25h 08m

New York LaGuardia

mié. 11/5

12:45 pm-12:00 pm

3 stops18h 15m

$566

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

What is the cheapest airline that flies from Porto to New York LaGuardia?

British Airways, Air Transat, and American Airlines are the most popular carriers operating from Porto to New York LaGuardia

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

Direct flights

None
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.
Search flight deals

  • 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 15h 25m.

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

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.

An easier way to manage your New York LaGuardia Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mié. 10/15
mié. 10/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to New York