Cheap flights from Newark Airport to Portugal from $255

The cheapest month to fly to Portugal from Newark Airport is in January. Flight prices, which tend to average around $389, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from Newark Airport during February instead. Flights to Portugal in February, while not as cheap as those in January, still average around $654.

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 $684. 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 $791.

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 $732. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $733 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 $731 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 $685 on momondo.

There are 4 cabin classes available to choose from on Newark Airport to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

TAP AIR PORTUGAL and United Airlines 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 66% 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 25% 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 168 minutes.

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

Monday 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, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 25% of their flights experiencing any sort of delay.

25 flights are operational daily from Newark Airport to Portugal as of July 2026. The most popular departure time for this route is 11:00PM, with 87% of flights per day taking off in the evening.

As of July 2026, 178 flights take off from Newark Airport and land in Portugal each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.