When did momondo last update prices for flights from New York LaGuardia Airport to Porto Airport?

Prices for flights from New York LaGuardia Airport to Porto Airport are updated daily.

How old do you have to be to fly from New York LaGuardia Airport to Porto Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York LaGuardia Airport to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$259 Cheap Flights from New York LaGuardia Airport to Porto in 2026

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Find the cheapest flights from New York LaGuardia Airport to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:40 pm - 9:50 am

LGA

OPO

16h 10m

2 stops

7:35 am - 7:03 pm

OPO

LGA

15h 28m

2 stops

$487Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

3:20 pm - 3:15 pm

LGA

OPO

19h 55m

2 stops

7:35 am - 7:03 pm

OPO

LGA

15h 28m

2 stops

$494Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

3:20 pm - 9:50 am

LGA

OPO

13h 30m

2 stops

6:55 am - 7:03 pm

OPO

LGA

16h 08m

3 stops

$498Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

10:45 am - 7:40 am

LGA

OPO

15h 55m

2 stops

8:20 am - 9:12 pm

OPO

LGA

16h 52m

2 stops

$514American Airlines

Tue, Mar 3 - Mon, Mar 9

3:30 pm - 1:10 pm

LGA

OPO

16h 40m

2 stops

12:00 pm - 6:03 pm

OPO

LGA

35h 03m

3 stops

$515Multiple Airlines

Sat, Feb 28 - Sat, Mar 7

8:55 am - 6:30 pm

LGA

OPO

28h 35m

2 stops

8:40 am - 7:55 am

OPO

LGA

28h 15m

2 stops

$519Air Canada

Wed, Apr 15 - Thu, Apr 23

8:55 am - 6:30 pm

LGA

OPO

28h 35m

2 stops

6:20 am - 10:41 am

OPO

LGA

33h 21m

2 stops

$524Air Canada

Wed, Apr 15 - Tue, Apr 21

3:20 pm - 10:50 am

LGA

OPO

15h 30m

2 stops

6:55 am - 7:03 pm

OPO

LGA

16h 08m

3 stops

$531Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

1:00 pm - 10:30 am

LGA

OPO

17h 30m

2 stops

5:00 am - 9:59 pm

OPO

LGA

20h 59m

2 stops

$532Delta

Mon, Mar 9 - Fri, Mar 20

11:30 am - 6:30 pm

LGA

OPO

26h 00m

2 stops

6:00 am - 10:43 am

OPO

LGA

32h 43m

2 stops

$537Air Canada

Sun, Mar 1 - Wed, Mar 11

United Airlines flights from New York LaGuardia Airport to Porto

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

United Airlines

Mar 11

LGA6:05 amNew York LaGuardia

25h 35m

2 stops

OPO11:40 amPorto

Mar 18

OPO12:30 pmPorto

24h 42m

2 stops

LGA9:12 amNew York LaGuardia

$560

United Airlines

Mar 18

LGA7:29 pmNew York LaGuardia

15h 56m

2 stops

OPO3:25 pmPorto

Mar 23

OPO6:00 amPorto

21h 44m

2 stops

LGA11:44 pmNew York LaGuardia

$561

United Airlines

Mar 17

LGA7:29 pmNew York LaGuardia

39h 56m

2 stops

OPO3:25 pmPorto

Mar 24

OPO6:00 amPorto

21h 44m

2 stops

LGA11:44 pmNew York LaGuardia

$567

Air Canada flights from New York LaGuardia Airport to Porto

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

Air Canada

Apr 15

LGA8:55 amNew York LaGuardia

28h 35m

2 stops

OPO6:30 pmPorto

Apr 23

OPO8:40 amPorto

28h 15m

2 stops

LGA7:55 amNew York LaGuardia

$519

Air Canada

Apr 15

LGA8:55 amNew York LaGuardia

28h 35m

2 stops

OPO6:30 pmPorto

Apr 21

OPO6:20 amPorto

33h 21m

2 stops

LGA10:41 amNew York LaGuardia

$524

Air Canada

Mar 1

LGA11:30 amNew York LaGuardia

26h 00m

2 stops

OPO6:30 pmPorto

Mar 11

OPO6:00 amPorto

32h 43m

2 stops

LGA10:43 amNew York LaGuardia

$537

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Wed 3/4

12:40 pm-9:50 am

2 stops16h 10m

Porto

Wed 3/11

7:35 am-7:03 pm

2 stops15h 28m

$487

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Tue 3/10

3:20 pm-3:15 pm

2 stops19h 55m

Porto

Tue 3/17

7:35 am-7:03 pm

2 stops15h 28m

$494

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Wed 3/4

3:20 pm-9:50 am

2 stops13h 30m

Porto

Wed 3/11

6:55 am-7:03 pm

3 stops16h 08m

$498

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Tue 3/3

10:45 am-7:40 am

2 stops15h 55m

Porto

Mon 3/9

8:20 am-9:12 pm

2 stops16h 52m

$514

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Sat 2/28

3:30 pm-1:10 pm

2 stops16h 40m

Porto

Sat 3/7

12:00 pm-6:03 pm

3 stops35h 03m

$515

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Wed 4/15

8:55 am-6:30 pm

2 stops28h 35m

Porto

Thu 4/23

8:40 am-7:55 am

2 stops28h 15m

$519

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Wed 4/15

8:55 am-6:30 pm

2 stops28h 35m

Porto

Tue 4/21

6:20 am-10:41 am

2 stops33h 21m

$524

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Tue 3/10

3:20 pm-10:50 am

2 stops15h 30m

Porto

Tue 3/17

6:55 am-7:03 pm

3 stops16h 08m

$531

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Mon 3/9

1:00 pm-10:30 am

2 stops17h 30m

Porto

Fri 3/20

5:00 am-9:59 pm

2 stops20h 59m

$532

New YorkPorto

LGA - OPO

LGAOPO

New York LaGuardia

Sun 3/1

11:30 am-6:30 pm

2 stops26h 00m

Porto

Wed 3/11

6:00 am-10:43 am

2 stops32h 43m

$537

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 New York LaGuardia Airport to Porto

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 day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Monday when prices can be found for as low as $839. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,016. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

In the morning is the cheapest time of day to fly from New York LaGuardia Airport to Porto when you can find flight prices for as low as $576. Flying to Porto in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,015 on average. Flights to Porto from New York LaGuardia Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from New York LaGuardia Airport to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to Porto according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap New York LaGuardia Airport to Porto (LGA to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Porto

Fastest flight time	10h 20m
Direct flights	None

The fastest flight from New York LaGuardia Airport to Porto takes 10h 20m

There are no direct flights from New York LaGuardia Airport to Porto. There are no popular flight routes from New York LaGuardia Airport to Porto.

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How far is New York LaGuardia to Porto by plane?
The distance between New York LaGuardia and Porto is about 3317.1 mi. A reasonable flight in good conditions will take 10h 20m.
When did momondo last update prices for flights from New York LaGuardia Airport to Porto Airport?
Prices for flights from New York LaGuardia Airport to Porto Airport are updated daily.
How old do you have to be to fly from New York LaGuardia Airport to Porto Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York LaGuardia Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Vila Nova de Gaia

Coimbra

Braga

Aveiro

Matosinhos

Esposende

Lamego

Guimarães

Espinho

Chaves

Pinhao

Arcos de Valdevez

Viseu

Ponte de Lima

Curia

Penafiel

Mesao Frio

Mira

Baiao

Why use momondo?

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

Finding the right flight to Porto from New York is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto quick and easy, saving you time and money.

Can I find flights from New York to Porto with flexible booking policies on momondo?

Flights from New York to Porto 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 New York to Porto?

Once all potential New York to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from New York to Porto right now. Can momondo alert me if prices change?

If you are not ready to book a flight from New York to Porto now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Porto and let you know when they change.