$425 Cheap Flights from Seoul (ICN) to Newark Liberty Intl. Airport (EWR)

View $425 flight on Wed, May 14, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Newark Liberty Intl. Airport (EWR)

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Find available prices by choosing your travel dates.

Cheap Flights from Seoul to Newark Liberty Intl. Airport (ICN-EWR)

Prices were available within the past 7 days and start at $425 for one-way flights and $481 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Sep 22 - Mon, Sep 29
ICN
Seoul
EWR
New York
$481 Roundtrip, found 1 day ago
$481
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Sep 22 from Seoul to New York, returning Mon, Sep 29, priced at $481 found 1 day ago
Air Canada
Mon, Nov 24 - Mon, Dec 1
ICN
Seoul
EWR
New York
$488 Roundtrip, found 1 day ago
$488
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Nov 24 from Seoul to New York, returning Mon, Dec 1, priced at $488 found 1 day ago
Air Canada
Wed, Nov 19 - Wed, Jan 14
ICN
Seoul
EWR
New York
$488 Roundtrip, found 4 days ago
$488
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Nov 19 from Seoul to New York, returning Wed, Jan 14, priced at $488 found 4 days ago
United
Sat, May 3 - Mon, May 5
ICN
Seoul
EWR
New York
$496 Roundtrip, found 3 hours ago
$496
Roundtrip
found 3 hours ago
Select United flight, departing Sat, May 3 from Seoul to New York, returning Mon, May 5, priced at $496 found 3 hours ago
United
Tue, Jun 3 - Fri, Jul 4
ICN
Seoul
EWR
New York
$498 Roundtrip, found 3 days ago
$498
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jun 3 from Seoul to New York, returning Fri, Jul 4, priced at $498 found 3 days ago
United
Fri, May 2 - Sun, May 4
ICN
Seoul
EWR
New York
$501 Roundtrip, found 3 hours ago
$501
Roundtrip
found 3 hours ago
Select United flight, departing Fri, May 2 from Seoul to New York, returning Sun, May 4, priced at $501 found 3 hours ago
Air Canada
Mon, Sep 22 - Mon, Sep 29
ICN
Seoul
EWR
New York
$501 Roundtrip, found 1 day ago
$501
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Sep 22 from Seoul to New York, returning Mon, Sep 29, priced at $501 found 1 day ago
Delta
Wed, May 28 - Wed, Sep 10
ICN
Seoul
EWR
New York
$638 Roundtrip, found 4 hours ago
$638
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, May 28 from Seoul to New York, returning Wed, Sep 10, priced at $638 found 4 hours ago
Air Premia
Mon, May 5 - Mon, May 19
ICN
Seoul
EWR
New York
$682 Roundtrip, just found
$682
Roundtrip
just found
Select Air Premia flight, departing Mon, May 5 from Seoul to New York, returning Mon, May 19, priced at $682 just found
Korean Air
Wed, May 28 - Wed, Sep 10
ICN
Seoul
EWR
New York
$765 Roundtrip, found 4 hours ago
$765
Roundtrip
found 4 hours ago
Select Korean Air flight, departing Wed, May 28 from Seoul to New York, returning Wed, Sep 10, priced at $765 found 4 hours ago
Flights from Seoul (ICN) to Newark Liberty Intl. Airport (EWR)
Origin airport
Incheon Intl.
Destination airport
Newark Liberty Intl. Airport
Airlines serving
Air Canada, Air Premia, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Delta, Japan Airlines, Korean Air, United
Roundtrip price
$481
Distance
6881 mi

Seoul to Newark Liberty Intl. Airport Flights

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

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 Seoul to Newark Liberty Intl. Airport are during the month of September. You can find some of the cheapest flights from Seoul to Newark Liberty Intl. Airport with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Seoul to Newark Liberty Intl. Airport: 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 Seoul to Newark Liberty Intl. Airport

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 Seoul to Newark Liberty Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $425 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 Seoul to Newark Liberty Intl. Airport 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 Seoul to Newark Liberty Intl. Airport 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 Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR) cost?
Cheap round-trip flights from Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR) start from $685. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Air Premia flight leaving ICN on May 19 2025 and touching down at EWR. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from ICN to EWR?
The cheapest flights from ICN to EWR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR)?
If you’re departing from Incheon Intl. Airport (ICN), you can get on a direct flight to Liberty Intl. Airport (EWR) with Air Premia.
What is the cheapest airline that flies from ICN to EWR?
With tickets starting at $410 for a one-way journey from ICN to EWR, Air Premia is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ICN on June 2 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR)?
On average, just 1 nonstop flight departs daily from Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR). Seeking more options? Use our filters to discover flights with layovers and add a new destination to your journey.
What are the most popular departure times for flights from Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR)?
Flights between ICN and EWR tend to be busiest at 9 PM. If you’re after a more relaxed trip and potentially cheaper tickets, look for a departure outside the usual busy windows.
What day of the week has the most flights from ICN to EWR?
If you fly on a Sunday, you’ll get the greatest range of options for flights from Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR).
What is the earliest flight from Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR)?
Incheon Intl. Airport (ICN)’s first flight to Liberty Intl. Airport (EWR) departs at approximately 9:55PM UTC+9. With a total flight time of 13h 35m, you’ll land at around 9:30PM UTC-5.
How long does it take to fly from Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR)?
Flights from ICN to EWR have an average travel time of 13 hours and 35 minutes. The distance between these two airports is 6,900 mi.
What is the best time to fly from Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR)?
To avoid potential delays on the Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**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 Newark from Incheon Intl. Airport (ICN)?
Hop on a direct flight from Incheon Intl. Airport (ICN) to Newark and land at John F. Kennedy Intl. Airport (JFK). Another point of entry into this destination is Liberty Intl. Airport (EWR).
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR) last-minute?
Booking your ticket from ICN to EWR right before your trip is usually more expensive. However, if there’s some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an ICN to EWR flight and hotel package?
Compared with arranging flights and hotels separately, booking an ICN to EWR flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one easy place will take the hassle out of planning your trip. Simply secure your flights and select from our extensive range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Liberty Intl. Airport (EWR)?
If you reserved your ICN to EWR flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.