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

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

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.

$417 Cheap Flights from Porto to New York LaGuardia Airport in 2026

Find the cheapest flights from Porto to New York

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 7:36 pm

OPO

LGA

18h 36m

2 stops

8:30 pm - 7:00 am

LGA

OPO

29h 30m

1 stop

$645Air Canada

Wed, Sep 23 - Sun, Sep 27

6:00 am - 9:30 pm

OPO

LGA

20h 30m

2 stops

3:30 pm - 7:00 am

LGA

OPO

10h 30m

1 stop

$647Air Canada

Mon, Oct 5 - Wed, Oct 21

6:00 am - 11:30 pm

OPO

LGA

22h 30m

2 stops

10:40 am - 7:00 am

LGA

OPO

15h 20m

1 stop

$648United Airlines

Wed, Aug 26 - Mon, Aug 31

6:00 am - 9:15 pm

OPO

LGA

19h 15m

2 stops

1:00 pm - 11:45 am

LGA

OPO

17h 45m

2 stops

$649United Airlines

Wed, Oct 28 - Wed, Nov 4

8:20 am - 8:59 pm

OPO

LGA

17h 39m

2 stops

3:24 pm - 11:45 am

LGA

OPO

15h 21m

2 stops

$651American Airlines

Wed, Sep 16 - Thu, Sep 24

6:00 am - 8:59 pm

OPO

LGA

19h 59m

2 stops

6:30 am - 7:10 am

LGA

OPO

19h 40m

1 stop

$652Air Canada

Tue, Oct 6 - Fri, Oct 23

8:20 am - 8:20 pm

OPO

LGA

17h 00m

2 stops

6:10 pm - 11:45 am

LGA

OPO

12h 35m

2 stops

$653American Airlines

Mon, Nov 23 - Sun, Nov 29

6:20 am - 8:01 am

OPO

LGA

30h 41m

2 stops

10:35 am - 7:10 am

LGA

OPO

15h 35m

1 stop

$654Air Canada

Wed, Sep 9 - Fri, Sep 18

6:00 am - 7:36 pm

OPO

LGA

18h 36m

2 stops

3:30 pm - 12:05 pm

LGA

OPO

15h 35m

2 stops

$655Air Canada

Wed, Oct 7 - Wed, Oct 21

6:00 am - 10:36 pm

OPO

LGA

21h 36m

2 stops

6:30 am - 11:15 am

LGA

OPO

23h 45m

2 stops

$657Air Canada

Thu, Oct 8 - Sun, Oct 18

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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 23

OPO6:00 amPorto

18h 36m

2 stops

LGA7:36 pmNew York LaGuardia

Sep 27

LGA8:30 pmNew York LaGuardia

29h 30m

1 stop

OPO7:00 amPorto

$645

Air Canada

Oct 5

OPO6:00 amPorto

20h 30m

2 stops

LGA9:30 pmNew York LaGuardia

Oct 19

LGA3:30 pmNew York LaGuardia

10h 20m

1 stop

OPO6:50 amPorto

$647

Air Canada

Oct 6

OPO6:00 amPorto

19h 59m

2 stops

LGA8:59 pmNew York LaGuardia

Oct 23

LGA6:30 amNew York LaGuardia

19h 40m

1 stop

OPO7:10 amPorto

$652

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

Aug 26

OPO6:00 amPorto

22h 30m

2 stops

LGA11:30 pmNew York LaGuardia

Aug 31

LGA10:40 amNew York LaGuardia

15h 20m

1 stop

OPO7:00 amPorto

$648

United Airlines

Oct 28

OPO6:00 amPorto

19h 15m

2 stops

LGA9:15 pmNew York LaGuardia

Nov 4

LGA1:00 pmNew York LaGuardia

17h 45m

2 stops

OPO11:45 amPorto

$649

United Airlines

Sep 16

OPO11:20 amPorto

10h 21m

1 stop

LGA4:41 pmNew York LaGuardia

Sep 24

LGA8:30 pmNew York LaGuardia

29h 40m

1 stop

OPO7:10 amPorto

$693

momondo Fare Finder

Use the filters below to find and compare flights from Porto to New York LaGuardia Airport that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 9/23

6:00 am-7:36 pm

2 stops18h 36m

New York LaGuardia

Sun 9/27

8:30 pm-7:00 am

1 stop29h 30m

$645

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 10/5

6:00 am-9:30 pm

2 stops20h 30m

New York LaGuardia

Wed 10/21

3:30 pm-7:00 am

1 stop10h 30m

$647

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 8/26

6:00 am-11:30 pm

2 stops22h 30m

New York LaGuardia

Mon 8/31

10:40 am-7:00 am

1 stop15h 20m

$648

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 10/28

6:00 am-9:15 pm

2 stops19h 15m

New York LaGuardia

Wed 11/4

1:00 pm-11:45 am

2 stops17h 45m

$649

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 9/16

8:20 am-8:59 pm

2 stops17h 39m

New York LaGuardia

Thu 9/24

3:24 pm-11:45 am

2 stops15h 21m

$651

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 10/6

6:00 am-8:59 pm

2 stops19h 59m

New York LaGuardia

Fri 10/23

6:30 am-7:10 am

1 stop19h 40m

$652

Quickest round-trip

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 11/23

8:20 am-8:20 pm

2 stops17h 00m

New York LaGuardia

Sun 11/29

6:10 pm-11:45 am

2 stops12h 35m

$653

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 9/9

6:20 am-8:01 am

2 stops30h 41m

New York LaGuardia

Fri 9/18

10:35 am-7:10 am

1 stop15h 35m

$654

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 10/7

6:00 am-7:36 pm

2 stops18h 36m

New York LaGuardia

Wed 10/21

3:30 pm-12:05 pm

2 stops15h 35m

$655

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 10/8

6:00 am-10:36 pm

2 stops21h 36m

New York LaGuardia

Sun 10/18

6:30 am-11:15 am

2 stops23h 45m

$657

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Can stopping save me money on Porto to New York LaGuardia Airport flights?

You could potentially save up to 26% 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.

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Yonkers

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Mount Laurel

Asbury Park

Point Pleasant Beach

Long Branch

Stamford

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Wayne

Woodbridge

Parsippany

Tannersville

Beach Haven

East Stroudsburg

Spring Lake

Elizabeth

Ocean Grove

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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?

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Cheap flights from Porto to New York from $451

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 10/25. 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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Air Canada flights from Porto to New York LaGuardia Airport

Our best Air Canada deals on Porto to New York LaGuardia Airport flight tickets

United Airlines flights from Porto to New York LaGuardia Airport

Our best United Airlines deals on Porto to New York LaGuardia Airport flight tickets

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Use the filters below to find and compare flights from Porto to New York LaGuardia Airport that are best for you.

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How to get the cheapest flight ticket from Porto to New York LaGuardia Airport

Can stopping save me money on Porto to New York LaGuardia Airport flights?

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

When to book flights from Porto to New York LaGuardia Airport

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

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Frequently asked questions about flying from Porto to New York LaGuardia Airport

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Why use momondo?

An easier way to manage your New York LaGuardia Airport trip

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