$443 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Porto (OPO)

View $443 flight on Sun, Jan 11, 2026Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to Porto Airport (OPO)

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Cheap Flights from Newark Liberty Intl. Airport to Porto (EWR-OPO)

Prices were available within the past 7 days and start at $443 for one-way flights and $442 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Thu, Mar 12 - Mon, Mar 23
EWR
New York
OPO
Porto
$442 Roundtrip, found 23 hours ago
$442
Roundtrip
found 23 hours ago
Select Scandinavian Airlines flight, departing Thu, Mar 12 from New York to Porto, returning Mon, Mar 23, priced at $442 found 23 hours ago
Scandinavian Airlines
Thu, Mar 5 - Mon, Mar 9
EWR
New York
OPO
Porto
$442 Roundtrip, found 9 hours ago
$442
Roundtrip
found 9 hours ago
Select Scandinavian Airlines flight, departing Thu, Mar 5 from New York to Porto, returning Mon, Mar 9, priced at $442 found 9 hours ago
Scandinavian Airlines
Thu, Mar 12 - Mon, Mar 23
EWR
New York
OPO
Porto
$446 Roundtrip, found 23 hours ago
$446
Roundtrip
found 23 hours ago
Select Scandinavian Airlines flight, departing Thu, Mar 12 from New York to Porto, returning Mon, Mar 23, priced at $446 found 23 hours ago
TAP Portugal
Sun, Jan 18 - Fri, Feb 6
EWR
New York
OPO
Porto
$473 Roundtrip, found 6 days ago
$473
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Sun, Jan 18 from New York to Porto, returning Fri, Feb 6, priced at $473 found 6 days ago
Swiss International Air Lines
Sat, Jan 24 - Mon, Feb 9
EWR
New York
OPO
Porto
$504 Roundtrip, just found
$504
Roundtrip
just found
Select Swiss International Air Lines flight, departing Sat, Jan 24 from New York to Porto, returning Mon, Feb 9, priced at $504 just found
Lufthansa
Sun, Feb 1 - Sun, Feb 8
EWR
New York
OPO
Porto
$521 Roundtrip, just found
$521
Roundtrip
just found
Select Lufthansa flight, departing Sun, Feb 1 from New York to Porto, returning Sun, Feb 8, priced at $521 just found
American Airlines
Mon, Jan 26 - Mon, Feb 23
EWR
New York
OPO
Porto
$522 Roundtrip, just found
$522
Roundtrip
just found
Select American Airlines flight, departing Mon, Jan 26 from New York to Porto, returning Mon, Feb 23, priced at $522 just found
Delta
Mon, Feb 9 - Thu, Feb 19
EWR
New York
OPO
Porto
$524 Roundtrip, found 21 hours ago
$524
Roundtrip
found 21 hours ago
Select Delta flight, departing Mon, Feb 9 from New York to Porto, returning Thu, Feb 19, priced at $524 found 21 hours ago
United
Mon, Jan 26 - Mon, Feb 23
EWR
New York
OPO
Porto
$526 Roundtrip, just found
$526
Roundtrip
just found
Select United flight, departing Mon, Jan 26 from New York to Porto, returning Mon, Feb 23, priced at $526 just found
British Airways
Mon, Feb 2 - Thu, Feb 12
EWR
New York
OPO
Porto
$526 Roundtrip, found 1 hour ago
$526
Roundtrip
found 1 hour ago
Select British Airways flight, departing Mon, Feb 2 from New York to Porto, returning Thu, Feb 12, priced at $526 found 1 hour ago

Find the cheapest month to fly from New York (EWR) to Porto (OPO)

February is typically the cheapest month to fly

From $428 - $766 per traveler.

Alternative airports near Porto

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dr. Francisco de Sa Carneiro OPO. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $1,503
OPO
Dr. Francisco de Sa Carneiro
CheapestClosest
Average driving time to city center14 min
Flights from $1,503
Flights from Newark Liberty Intl. Airport (EWR) to Porto (OPO)
Origin airport
Newark Liberty Intl. Airport
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Air Canada, Air France, Air Transat, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$441
Distance
3332 mi
Average flight time
6 hours 35 mins

Newark Liberty Intl. Airport to Porto Flights

The cheapest times to fly from Newark Liberty Intl. Airport to Porto

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Newark Liberty Intl. Airport to Porto are during the month of March. You can find some of the cheapest flights from Newark Liberty Intl. Airport to Porto with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Newark Liberty Intl. Airport to Porto

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport to Porto: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Newark Liberty Intl. Airport to Porto

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Newark Liberty Intl. Airport to Porto in 2026. You can also book with separate airlines for your outbound and return journeys, from $443 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Newark Liberty Intl. Airport to Porto flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Newark Liberty Intl. Airport to Porto airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO) cost?
Secure a cheap one-way flight from $443 or cheap return flight from $442 from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO)?
The cheapest month to fly from EWR to OPO is March, when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
Which airlines fly direct from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO)?
When departing from Liberty Intl. Airport (EWR), you can board a nonstop flight to Dr. Francisco de Sa Carneiro Airport (OPO) with TAP Portugal.
What is the cheapest airline that flies from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest EWR to OPO flight.
How many flights per day from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO)?
On average, you can take your pick of 6 nonstop flights departing from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO) each week. If you can't find one that fits your travel plans, consider a flight with a layover. Filter your search results on Expedia to include one or two stops and select the next best alternative.
What are the most popular departure times for flights from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Flights between EWR and OPO tend to be busiest at 12 AM. For a more relaxed atmosphere and possibly cheaper tickets, look for a departure outside the usual busy windows.
What day of the week has the most flights from EWR to OPO?
Jet off on a Friday if you're looking for the largest selection of flights from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO).
What is the earliest flight from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO)?
The first flight of the day jetting off from Liberty Intl. Airport (EWR) is at around 12:10AM UTC-5. Board this flight and you'll arrive at Dr. Francisco de Sa Carneiro Airport (OPO) at approximately 11:50AM UTC+0. The total time in the air is 6h 40m.
How long does it take to fly from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO)?
The average flight time from EWR to OPO is 6 hours and 40 minutes, covering a total distance of 3,300 mi.
What airline has the least delays from EWR to OPO?
Brussels Airlines has the best performance for on-time direct flights from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO), with an on-time score of 85%. Use the Expedia App to check your journey status before you leave and receive notifications about any trip changes.
What is the best time to fly from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Choose a flight from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Porto from Liberty Intl. Airport (EWR)?
Browse your flight options from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO). This is the only airport in Porto you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO) last-minute?
Booking your flight from EWR to OPO shortly before your journey is generally more expensive. However, if you're flexible with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an EWR to OPO flight and hotel package?
You'll typically save money by booking an EWR to OPO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal flights and accommodations, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Liberty Intl. Airport (EWR) to Dr. Francisco de Sa Carneiro Airport (OPO)?
In most cases, you can cancel or reschedule your EWR to OPO flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need further information, head to our Customer Service portal.

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*Available to One Key members.