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

Air Transat and British Airways 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.

$449 Cheap Flights from Porto to New York LaGuardia Airport in 2026

Find the cheapest flights from Porto to New York

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:20 am - 9:30 pm

OPO

LGA

20h 10m

2 stops

10:00 am - 7:00 am

LGA

OPO

16h 00m

2 stops

$654Air Canada

Fri, Sep 11 - Tue, Sep 15

6:20 am - 9:30 pm

OPO

LGA

20h 10m

2 stops

1:00 pm - 7:00 am

LGA

OPO

13h 00m

2 stops

$655Air Canada

Fri, Sep 11 - Tue, Sep 15

6:15 am - 9:31 pm

OPO

LGA

20h 16m

2 stops

1:10 pm - 11:15 am

LGA

OPO

17h 05m

2 stops

$656Air Canada

Sat, Nov 14 - Wed, Nov 25

6:20 am - 9:30 pm

OPO

LGA

20h 10m

2 stops

8:30 pm - 7:00 am

LGA

OPO

29h 30m

1 stop

$657Air Canada

Fri, Sep 18 - Fri, Sep 25

11:20 am - 9:47 am

OPO

LGA

27h 27m

1 stop

8:45 am - 7:00 am

LGA

OPO

17h 15m

1 stop

$658Multiple Airlines

Wed, Aug 26 - Mon, Aug 31

11:50 am - 7:36 pm

OPO

LGA

12h 46m

1 stop

3:30 pm - 7:00 am

LGA

OPO

10h 30m

1 stop

$660Air Canada

Thu, Sep 17 - Wed, Sep 23

6:20 am - 2:36 pm

OPO

LGA

37h 16m

2 stops

6:00 am - 11:45 am

LGA

OPO

25h 45m

2 stops

$661Air Canada

Mon, Oct 19 - Wed, Oct 28

11:15 am - 10:26 pm

OPO

LGA

16h 11m

2 stops

2:55 pm - 10:30 am

LGA

OPO

14h 35m

2 stops

$662Delta

Fri, Dec 4 - Thu, Dec 10

11:20 am - 4:57 pm

OPO

LGA

10h 37m

1 stop

3:30 pm - 7:00 am

LGA

OPO

10h 30m

1 stop

$663Multiple Airlines

Wed, Aug 26 - Mon, Aug 31

11:20 am - 4:57 pm

OPO

LGA

10h 37m

1 stop

8:45 am - 7:00 am

LGA

OPO

17h 15m

1 stop

$664Air Canada

Sat, Aug 29 - Tue, Sep 1

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Delta flights from Porto to New York LaGuardia Airport

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

Delta

Dec 4

OPO11:15 amPorto

16h 11m

2 stops

LGA10:26 pmNew York LaGuardia

Dec 10

LGA2:55 pmNew York LaGuardia

14h 35m

2 stops

OPO10:30 amPorto

$662

Delta

Sep 13

OPO5:00 amPorto

23h 26m

2 stops

LGA11:26 pmNew York LaGuardia

Sep 20

LGA6:00 pmNew York LaGuardia

16h 30m

2 stops

OPO3:30 pmPorto

$675

Delta

Sep 12

OPO6:10 amPorto

31h 10m

2 stops

LGA8:20 amNew York LaGuardia

Sep 19

LGA2:00 pmNew York LaGuardia

13h 30m

2 stops

OPO8:30 amPorto

$677

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 11

OPO6:20 amPorto

20h 10m

2 stops

LGA9:30 pmNew York LaGuardia

Sep 15

LGA10:00 amNew York LaGuardia

16h 00m

2 stops

OPO7:00 amPorto

$654

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

$655

Air Canada

Nov 14

OPO6:15 amPorto

20h 16m

2 stops

LGA9:31 pmNew York LaGuardia

Nov 22

LGA10:35 amNew York LaGuardia

19h 40m

2 stops

OPO11:15 amPorto

$656

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

Fri 9/11

6:20 am-9:30 pm

2 stops20h 10m

New York LaGuardia

Tue 9/15

10:00 am-7:00 am

2 stops16h 00m

$654

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 9/11

6:20 am-9:30 pm

2 stops20h 10m

New York LaGuardia

Tue 9/15

1:00 pm-7:00 am

2 stops13h 00m

$655

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 11/14

6:15 am-9:31 pm

2 stops20h 16m

New York LaGuardia

Wed 11/25

1:10 pm-11:15 am

2 stops17h 05m

$656

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 9/18

6:20 am-9:30 pm

2 stops20h 10m

New York LaGuardia

Fri 9/25

8:30 pm-7:00 am

1 stop29h 30m

$657

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 8/26

11:20 am-9:47 am

1 stop27h 27m

New York LaGuardia

Mon 8/31

8:45 am-7:00 am

1 stop17h 15m

$658

PortoNew York

OPO - LGA

OPOLGA

Porto

Thu 9/17

11:50 am-7:36 pm

1 stop12h 46m

New York LaGuardia

Wed 9/23

3:30 pm-7:00 am

1 stop10h 30m

$660

PortoNew York

OPO - LGA

OPOLGA

Porto

Mon 10/19

6:20 am-2:36 pm

2 stops37h 16m

New York LaGuardia

Wed 10/28

6:00 am-11:45 am

2 stops25h 45m

$661

PortoNew York

OPO - LGA

OPOLGA

Porto

Fri 12/4

11:15 am-10:26 pm

2 stops16h 11m

New York LaGuardia

Thu 12/10

2:55 pm-10:30 am

2 stops14h 35m

$662

Quickest round-trip

PortoNew York

OPO - LGA

OPOLGA

Porto

Wed 8/26

11:20 am-4:57 pm

1 stop10h 37m

New York LaGuardia

Mon 8/31

3:30 pm-7:00 am

1 stop10h 30m

$663

PortoNew York

OPO - LGA

OPOLGA

Porto

Sat 8/29

11:20 am-4:57 pm

1 stop10h 37m

New York LaGuardia

Tue 9/1

8:45 am-7:00 am

1 stop17h 15m

$664

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	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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Asbury Park

Point Pleasant Beach

Stamford

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Wayne

Woodbridge

Parsippany

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East Stroudsburg

Beach Haven

Spring Lake

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?

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Cheap flights from Porto to New York from $449

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 10/10. 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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Delta flights from Porto to New York LaGuardia Airport

Our best Delta 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.

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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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