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

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.

$453 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 - 7:13 pm

OPO

LGA

17h 13m

2 stops

5:12 pm - 3:20 pm

LGA

OPO

17h 08m

2 stops

$654United Airlines

Sat, Oct 31 - Thu, Nov 19

6:00 am - 10:43 pm

OPO

LGA

21h 43m

2 stops

6:00 am - 11:15 am

LGA

OPO

24h 15m

2 stops

$656Air Canada

Tue, Dec 1 - Tue, Dec 8

6:00 am - 6:32 pm

OPO

LGA

17h 32m

2 stops

3:15 pm - 3:20 pm

LGA

OPO

19h 05m

2 stops

$660United Airlines

Sat, Nov 21 - Fri, Nov 27

6:00 am - 6:45 pm

OPO

LGA

17h 45m

2 stops

11:40 am - 11:45 am

LGA

OPO

19h 05m

2 stops

$661United Airlines

Sat, Dec 26 - Sat, Jan 2

6:00 am - 7:13 pm

OPO

LGA

17h 13m

2 stops

4:20 pm - 3:20 pm

LGA

OPO

18h 00m

2 stops

$662United Airlines

Sat, Oct 31 - Fri, Nov 20

6:20 am - 9:30 pm

OPO

LGA

20h 10m

2 stops

8:30 pm - 7:00 am

LGA

OPO

29h 30m

1 stop

$663Air Canada

Fri, Sep 11 - Tue, Sep 15

11:50 am - 4:57 pm

OPO

LGA

10h 07m

1 stop

5:30 pm - 7:10 am

LGA

OPO

8h 40m

1 stop

$664Multiple Airlines

Thu, Sep 3 - Fri, Sep 11

11:20 am - 4:41 pm

OPO

LGA

10h 21m

1 stop

3:30 pm - 7:00 am

LGA

OPO

10h 30m

1 stop

$666Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

11:50 am - 7:36 pm

OPO

LGA

12h 46m

1 stop

3:30 pm - 7:00 am

LGA

OPO

10h 30m

1 stop

$667Multiple Airlines

Thu, Oct 8 - Wed, Oct 14

5:00 am - 7:35 pm

OPO

LGA

18h 35m

2 stops

6:00 pm - 3:25 pm

LGA

OPO

16h 25m

2 stops

$668Delta

Fri, Oct 30 - Mon, Nov 2

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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

Oct 31

OPO6:00 amPorto

17h 13m

2 stops

LGA7:13 pmNew York LaGuardia

Nov 15

LGA3:50 pmNew York LaGuardia

18h 30m

2 stops

OPO3:20 pmPorto

$654

United Airlines

Nov 21

OPO6:00 amPorto

17h 32m

2 stops

LGA6:32 pmNew York LaGuardia

Nov 27

LGA3:15 pmNew York LaGuardia

19h 05m

2 stops

OPO3:20 pmPorto

$660

United Airlines

Dec 26

OPO6:00 amPorto

17h 45m

2 stops

LGA6:45 pmNew York LaGuardia

Jan 2

LGA11:40 amNew York LaGuardia

19h 05m

2 stops

OPO11:45 amPorto

$661

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

Dec 1

OPO6:00 amPorto

21h 43m

2 stops

LGA10:43 pmNew York LaGuardia

Dec 8

LGA6:00 amNew York LaGuardia

24h 15m

2 stops

OPO11:15 amPorto

$656

Air Canada

Sep 11

OPO6:20 amPorto

20h 10m

2 stops

LGA9:30 pmNew York LaGuardia

Sep 15

LGA1:00 pmNew York LaGuardia

13h 00m

2 stops

OPO7:00 amPorto

$663

Air Canada

Dec 26

OPO6:15 amPorto

17h 48m

2 stops

LGA7:03 pmNew York LaGuardia

Jan 5

LGA1:10 pmNew York LaGuardia

17h 05m

2 stops

OPO11:15 amPorto

$669

momondo Fare Finder

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

Sat 10/31

6:00 am-7:13 pm

2 stops17h 13m

New York LaGuardia

Thu 11/19

5:12 pm-3:20 pm

2 stops17h 08m

$654

PortoNew York

OPO - LGA

OPOLGA

Porto

Tue 12/1

6:00 am-10:43 pm

2 stops21h 43m

New York LaGuardia

Tue 12/8

6:00 am-11:15 am

2 stops24h 15m

$656

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 11/21

6:00 am-6:32 pm

2 stops17h 32m

New York LaGuardia

Fri 11/27

3:15 pm-3:20 pm

2 stops19h 05m

$660

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 12/26

6:00 am-6:45 pm

2 stops17h 45m

New York LaGuardia

Sat 1/2

11:40 am-11:45 am

2 stops19h 05m

$661

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 10/31

6:00 am-7:13 pm

2 stops17h 13m

New York LaGuardia

Fri 11/20

4:20 pm-3:20 pm

2 stops18h 00m

$662

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 9/11

6:20 am-9:30 pm

2 stops20h 10m

New York LaGuardia

Tue 9/15

8:30 pm-7:00 am

1 stop29h 30m

$663

Quickest round-trip

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/3

11:50 am-4:57 pm

1 stop10h 07m

New York LaGuardia

Fri 9/11

5:30 pm-7:10 am

1 stop8h 40m

$664

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 9/16

11:20 am-4:41 pm

1 stop10h 21m

New York LaGuardia

Wed 9/23

3:30 pm-7:00 am

1 stop10h 30m

$666

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 10/8

11:50 am-7:36 pm

1 stop12h 46m

New York LaGuardia

Wed 10/14

3:30 pm-7:00 am

1 stop10h 30m

$667

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 10/30

5:00 am-7:35 pm

2 stops18h 35m

New York LaGuardia

Mon 11/2

6:00 pm-3:25 pm

2 stops16h 25m

$668

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 23% 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 46m
Direct flights	None

The fastest flight from Porto to New York LaGuardia Airport takes 12h 46m

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 46m.
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

Secaucus

Point Pleasant Beach

Stamford

Wayne

Long Branch

Woodbridge

Parsippany

Tannersville

East Stroudsburg

Spring Lake

Beach Haven

Elizabeth

Staten Island

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Why should I use momondo to find a flight deal from Porto to New York?

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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?

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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Cheap flights from Porto to New York from $453

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 9/1. 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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United Airlines flights from Porto to New York LaGuardia Airport

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

Air Canada flights from Porto to New York LaGuardia Airport

Our best Air Canada 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.

See travel insights to New York from

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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