Cheap flights from Newark Airport to Seoul from $324

The cheapest month to fly to Incheon Intl Airport from Newark Airport is in March. Flight prices, which tend to average around $986, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of March, then departing from Newark Airport during the month February is also very affordable. Most momondo users find prices during this month for around $990.

The cheapest day to depart from Newark Airport to Incheon Intl Airport is on a Tuesday when prices can be found for as low as $1,066. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,226. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

In the morning is the cheapest time of day to fly from Newark Airport to Incheon Intl Airport when you can find flight prices for as low as $1,056. Flying to Incheon Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,149 on average. Flights to Incheon Intl Airport 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 Incheon Intl for the best Newark - Incheon Intl flight prices

You are more likely to see cheaper flights to Incheon Intl Airport from Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,194 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Newark Airport for as low as $830 on momondo.

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

AIR PREMIA is the most popular carrier operating from Newark to Incheon Intl

AIR PREMIA, Air Canada and United Airlines are the top three most popular airlines that fly to Incheon Intl Airport from Newark Airport according to our data. AIR PREMIA is the first choice among our users, with 92% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 5 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 28% of flights between Newark and Incheon have experienced a delay on any given week. The average delay length over the past 12 months has been 224 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. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, AIR PREMIA have had the least number of delays on this route over the last 12 months; with about 28% of their flights experiencing any sort of delay.

1 flights are operational daily from Newark Airport to Incheon Intl Airport as of February 2026. The most popular departure time for this route is 12:00AM, with 100% of flights per day taking off in the morning.

As of February 2026, 7 flights take off from Newark Airport and land in Incheon Intl Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.