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Cheap flights from Porto to New York from $362

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 6/25. 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.
Multiple Airlines Logo
7:15 am - 7:36 pm
OPO
-
LGA
17h 21m
2 stops
Multiple Airlines Logo
3:30 pm - 1:10 pm
LGA
-
OPO
16h 40m
2 stops
$583Multiple Airlines
Thu, Sep 24 - Wed, Sep 30
Delta Logo
11:15 am - 10:26 pm
OPO
-
LGA
16h 11m
2 stops
Delta Logo
3:00 pm - 10:30 am
LGA
-
OPO
14h 30m
2 stops
$584Delta
Fri, Nov 20 - Mon, Nov 23
Multiple Airlines Logo
10:00 pm - 9:30 pm
OPO
-
LGA
28h 30m
2 stops
Multiple Airlines Logo
4:45 pm - 9:40 pm
LGA
-
OPO
23h 55m
2 stops
$610Multiple Airlines
Thu, Sep 17 - Wed, Sep 23
Multiple Airlines Logo
10:00 pm - 7:36 pm
OPO
-
LGA
26h 36m
2 stops
Multiple Airlines Logo
4:00 pm - 10:05 pm
LGA
-
OPO
25h 05m
2 stops
$612Multiple Airlines
Thu, Sep 17 - Thu, Sep 24
Multiple Airlines Logo
10:00 pm - 7:36 pm
OPO
-
LGA
26h 36m
2 stops
Multiple Airlines Logo
3:30 pm - 8:25 pm
LGA
-
OPO
23h 55m
3 stops
$616Multiple Airlines
Thu, Sep 17 - Wed, Sep 23
Multiple Airlines Logo
10:30 pm - 7:36 pm
OPO
-
LGA
26h 06m
2 stops
Multiple Airlines Logo
4:45 pm - 10:05 pm
LGA
-
OPO
24h 20m
2 stops
$619Multiple Airlines
Fri, Sep 18 - Thu, Sep 24
Delta Logo
11:15 am - 10:26 pm
OPO
-
LGA
16h 11m
2 stops
Delta Logo
1:00 pm - 10:30 am
LGA
-
OPO
16h 30m
2 stops
$625Delta
Sun, Nov 22 - Sat, Nov 28
Multiple Airlines Logo
5:05 am - 7:36 pm
OPO
-
LGA
19h 31m
3 stops
Multiple Airlines Logo
4:45 pm - 1:00 pm
LGA
-
OPO
15h 15m
2 stops
$638Multiple Airlines
Thu, Sep 17 - Thu, Sep 24
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
$646Air Canada
Thu, Sep 17 - Wed, Sep 23
Air Canada Logo
11:50 am - 2:37 pm
OPO
-
LGA
31h 47m
1 stop
Air Canada Logo
8:30 pm - 6:50 am
LGA
-
OPO
29h 20m
1 stop
$654Air Canada
Thu, Jun 11 - Sat, Jun 20

Delta flights from Porto to New York LaGuardia Airport

Our best Delta deals on Porto to New York LaGuardia Airport flight tickets
Delta
Nov 20
OPO11:15 amPorto
16h 11m
2 stops
LGA10:26 pmNew York LaGuardia
Nov 23
LGA3:00 pmNew York LaGuardia
14h 30m
2 stops
OPO10:30 amPorto
$584
Delta
Nov 22
OPO11:15 amPorto
16h 11m
2 stops
LGA10:26 pmNew York LaGuardia
Nov 28
LGA1:00 pmNew York LaGuardia
16h 30m
2 stops
OPO10:30 amPorto
$625
Delta
Jun 4
OPO5:00 amPorto
20h 30m
2 stops
LGA8:30 pmNew York LaGuardia
Jun 8
LGA6:00 pmNew York LaGuardia
16h 25m
2 stops
OPO3:25 pmPorto
$737

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 17
OPO6:00 amPorto
18h 36m
2 stops
LGA7:36 pmNew York LaGuardia
Sep 23
LGA3:30 pmNew York LaGuardia
10h 30m
1 stop
OPO7:00 amPorto
$646
Air Canada
Jun 11
OPO11:50 amPorto
31h 47m
1 stop
LGA2:37 pmNew York LaGuardia
Jun 20
LGA8:30 pmNew York LaGuardia
29h 20m
1 stop
OPO6:50 amPorto
$654
Air Canada
Aug 29
OPO6:00 amPorto
20h 30m
2 stops
LGA9:30 pmNew York LaGuardia
Sep 28
LGA6:30 amNew York LaGuardia
19h 30m
1 stop
OPO7:00 amPorto
$655

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 June 1, 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

Thu 9/24

7:15 am-7:36 pm

2 stops17h 21m

New York LaGuardia

Wed 9/30

3:30 pm-1:10 pm

2 stops16h 40m

$583

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 11/20

11:15 am-10:26 pm

2 stops16h 11m

New York LaGuardia

Mon 11/23

3:00 pm-10:30 am

2 stops14h 30m

$584

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/17

10:00 pm-9:30 pm

2 stops28h 30m

New York LaGuardia

Wed 9/23

4:45 pm-9:40 pm

2 stops23h 55m

$610

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/17

10:00 pm-7:36 pm

2 stops26h 36m

New York LaGuardia

Thu 9/24

4:00 pm-10:05 pm

2 stops25h 05m

$612

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/17

10:00 pm-7:36 pm

2 stops26h 36m

New York LaGuardia

Wed 9/23

3:30 pm-8:25 pm

3 stops23h 55m

$616

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 9/18

10:30 pm-7:36 pm

2 stops26h 06m

New York LaGuardia

Thu 9/24

4:45 pm-10:05 pm

2 stops24h 20m

$619

PortoNew York

OPO - LGA

OPOLGA

Porto

Sun 11/22

11:15 am-10:26 pm

2 stops16h 11m

New York LaGuardia

Sat 11/28

1:00 pm-10:30 am

2 stops16h 30m

$625

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/17

5:05 am-7:36 pm

3 stops19h 31m

New York LaGuardia

Thu 9/24

4:45 pm-1:00 pm

2 stops15h 15m

$638
Quickest round-trip

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/17

6:00 am-7:36 pm

2 stops18h 36m

New York LaGuardia

Wed 9/23

3:30 pm-7:00 am

1 stop10h 30m

$646

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 6/11

11:50 am-2:37 pm

1 stop31h 47m

New York LaGuardia

Sat 6/20

8:30 pm-6:50 am

1 stop29h 20m

$654

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 4% 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
Long Branch
Beach Haven
Stamford
Mount Laurel
Woodbridge
Spring Lake
Tannersville
Parsippany
East Stroudsburg
Secaucus
Ocean Grove
Wayne
Elizabeth

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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