In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

How far in advance should I book a flight from New Windsor to Porto?

Travelers have found it’s best to book a flight 40 days in advance to save up to 70% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 40 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from New Windsor to Porto 1-2 weeks in advance for as low as $895, or $1,196 for flights within the next 24 hours.

What is the cheapest month to fly from New Windsor to Porto?

November is one of the best times of the year to fly to Porto from New Windsor. Prices for November average $774 per person but you can even find prices for as low as $296. The most expensive prices can be found in the month of July. Opting for a November flight can save you 33% on your journey compared to booking in July

What is the cheapest time of day to fly from SWF to OPO?

When flying from New Windsor to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Stewart to Porto that include hotel bookings?

Yes. In addition to deals on Stewart to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Stewart to Porto?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stewart to Porto.

Can I find deals for business class flights from Stewart to Porto?

Yes. Cheapflights offers flight deals from Stewart to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$378+ Flights from New Windsor to Porto

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3. Compare prices and book

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Cheap flight deals from Stewart to Porto

Round-trip from	$884 (PLAY)
One-way from	$418 (Gotogate)
Popular in	July
Cheapest in	November
Average price	$1,012

From New Windsor Stewart to Porto

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One-way flight from New Windsor Stewart to Porto

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Highest demand for flights based on searches. 23% potential increase in price ($240 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Stewart to Porto

Cheapest flights from Stewart to Porto
Explore the most affordable flight options available from Stewart to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Fri 7/47:15 pmSWF - OPO

1 stop19h 50mPLAY

Tue 7/159:05 pmOPO - SWF

1 stop26h 00mPLAY

Deal found 6/28

$884

Fri 7/47:15 pmSWF - OPO

1 stop19h 50mWorldTicket

Sat 7/129:05 pmOPO - SWF

1 stop26h 00mWorldTicket

Deal found 6/30

$1,241

Best flights from Stewart to Porto
Discover carefully curated flight deals from Stewart to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2025.

Fri 7/47:15 pmSWF - OPO

1 stop19h 50mPLAY

Tue 7/159:05 pmOPO - SWF

1 stop26h 00mPLAY

Deal found 6/28

$884

Fri 7/47:15 pmSWF - OPO

1 stop19h 50mWorldTicket

Sat 7/129:05 pmOPO - SWF

1 stop26h 00mWorldTicket

Deal found 6/30

$1,241

Last-minute flights from Stewart to Porto
Discover last-minute flight deals from Stewart to Porto. Data last updated June 30, 2025 and is based on user searches.

Fri 7/47:15 pmSWF - OPO

1 stop19h 50mPLAY

Tue 7/159:05 pmOPO - SWF

1 stop26h 00mPLAY

Deal found 6/28

$884

Fri 7/47:15 pmSWF - OPO

1 stop19h 50mWorldTicket

Sat 7/129:05 pmOPO - SWF

1 stop26h 00mWorldTicket

Deal found 6/30

$1,241

Mon 7/77:15 pmSWF - OPO

1 stop19h 50mPLAY

Tue 7/299:05 pmOPO - SWF

1 stop26h 00mPLAY

Deal found 6/28

$906

One-way flights from Stewart to Porto
Search for one-way flight options from Stewart to Porto. Find affordable one-way fares based on user searches. Data last updated June 30, 2025.

Fri 7/117:15 pmSWF - OPO

1 stop19h 50mPLAY

Deal found 6/27

$418

Fri 7/117:15 pmSWF - OPO

2 stops14h 55mMultiple Airlines

Deal found 6/27

$510

Mon 7/77:15 pmSWF - OPO

1 stop19h 50mWorldTicket

Deal found 6/29

$616

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

New WindsorPorto

SWF - OPO

SWFOPO

New Windsor Stewart

Mon 7/14

7:15 pm-8:05 pm

1 stop19h 50m

Porto

Tue 7/22

9:05 pm-6:05 pm

1 stop26h 00m

$886

New WindsorPorto

SWF - OPO

SWFOPO

New Windsor Stewart

Fri 8/1

7:56 pm-5:00 pm

3 stops40h 04m

$378

New WindsorPorto

SWF - OPO

SWFOPO

New Windsor Stewart

Fri 7/11

7:15 pm-8:05 pm

1 stop19h 50m

$418

New WindsorPorto

SWF - OPO

SWFOPO

New Windsor Stewart

Mon 7/7

7:15 pm-8:05 pm

1 stop19h 50m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Stewart to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Stewart with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New Windsor to Porto

What is the cheapest month to book a flight from New Windsor to Porto?

Currently, January is the cheapest month in which you can book a flight from New Windsor to Porto (average of $523). Flying from New Windsor to Porto in June is currently the most expensive (average of $1,038). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Porto

Read reviews from past customers who have flown PLAY from New Windsor to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

PLAY

7.0

Good

102 reviews

Reviews

1 / 2

4.0

Okay

Lisa,Oct 2024

BER - KEF

I’ll never fly Play again. We were jammed into the tiniest spaces ever and they didn’t even give us water, tea, or coffee without charging. When we were coming in for a landing I thought we might never make it off the plane alive. The worst.

PLAY

7.0

Good

102 reviews

PLAY

7.0

Good

102 reviews

Reviews

1 / 2

4.0

Okay

Lisa,Oct 2024

BER - KEF

Related info for your journey

Can I find deals for flights from Stewart to Porto that include hotel bookings?
Yes. In addition to deals on Stewart to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Stewart to Porto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stewart to Porto.
Can I find deals for business class flights from Stewart to Porto?
Yes. Cheapflights offers flight deals from Stewart to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from New Windsor to Porto?
Currently, January is the cheapest month in which you can book a flight from New Windsor to Porto (average of $523). Flying from New Windsor to Porto in June is currently the most expensive (average of $1,038). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$378+ Cheap flights from New Windsor (SWF) to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Stewart to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Stewart to Porto

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Stewart to Porto

Cheapest flights from Stewart to PortoExplore the most affordable flight options available from Stewart to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Explore the most affordable flight options available from Stewart to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Stewart to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Stewart with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from New Windsor to Porto

What is the cheapest month to book a flight from New Windsor to Porto?

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated June 30, 2025.

Read reviews from past customers who have flown PLAY from New Windsor to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Stewart to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Stewart to Porto that include hotel bookings?

How can I find direct flights from Stewart to Porto?

Can I find deals for business class flights from Stewart to Porto?

What is the cheapest month to book a flight from New Windsor to Porto?

Traveling to a place near New Windsor?

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Alternative routes for Stewart to Porto

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Cheapest flights from Stewart to Porto
Explore the most affordable flight options available from Stewart to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.