Cheap flights from Newark Airport to Lisbon from $349

In general, January is the cheapest month to fly from Newark Airport to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $445. If you are unable to visit Lisbon during the month of January, then departing from Newark Airport during the month February is also very affordable. Most momondo users find prices during this month for around $565.

Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $681. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Newark Airport to Lisbon for around $798.

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $693. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $734 on average. Flights to Lisbon from Newark Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Lisbon from Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $719 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Newark Airport for as low as $680 on momondo.

There are 3 cabin classes available to choose from on Newark Airport to Lisbon flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 41% on your flight if you consider stops on a Newark Airport to Lisbon flight.

As of April 2026, prices for Newark Airport to Lisbon flights are approximately 8% more expensive when compared to flights at the same time last year.

United Airlines is the most popular carrier operating from Newark to Lisbon Humberto Delgado

TAP AIR PORTUGAL, United Airlines and Air Canada are the top three most popular airlines that fly to Lisbon 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 Lisbon. Keep in mind that there are 11 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Historically, on average around 30% of flights between Newark and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 164 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights at night 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, 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.

Madrid (MAD) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $461.

Flights connecting via Porto (OPO) have the shortest average one-way travel time: 10h 03m.

Zurich (ZRH) has the shortest average layover time for this route: 0h 55m.

The number of flights available between Newark Airport and Lisbon is 8 per day as of April 2026. The most frequent departure time is 8:00PM, with 62% of daily flights leaving in the evening.

As of April 2026, 56 flights take off from Newark Airport and land in Lisbon each week. The most common flight departure day for this route is Fri, with 20% of weekly flights taking off on this day.