Cheap flights from Newark Airport to Portugal from $276

The cheapest month to fly to Portugal from Newark Airport is in February. Flight prices, which tend to average around $658, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Newark Airport during September instead. Flights to Portugal in September, while not as cheap as those in February, still average around $660.

According to our data, Wednesday is the cheapest day to fly to Portugal from Newark Airport. The lowest ticket price found for a Wednesday departure recently was $666. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $765.

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from Newark Airport to Portugal during this time can be as low as $693. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $707 per ticket.

Fly from Newark to Lisbon Humberto Delgado for the best Newark - Portugal flight prices

You are more likely to see cheaper flights to Portugal from Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $716 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Newark Airport for as low as $677 on momondo.

TAP AIR PORTUGAL, United Airlines, and SWISS are the most popular carriers operating from Newark to Portugal

TAP AIR PORTUGAL, United Airlines and Lufthansa are the top three most popular airlines that fly to Portugal from Newark Airport according to our data. TAP AIR PORTUGAL is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 13 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

Historically, on average around 29% of flights between Newark and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 166 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 29% of their flights experiencing any sort of delay.

17 flights are operational daily from Newark Airport to Portugal as of May 2026. The most popular departure time for this route is 9:00PM, with 83% of flights per day taking off in the evening.

As of May 2026, 124 flights take off from Newark Airport and land in Portugal each week. The most common flight departure day for this route is Fri, with 19% of weekly flights taking off on this day.