The cheapest times to fly from CJJ to EWR are

  • October 15th to November 25th (except the week of October 29th)
  • December 24th to May 20th (except the weeks of January 1st, February 12th, March 26th, April 9th, and April 23rd)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from CJJ to EWR is late October. Prices can be as high as $14100 for Wednesday flights during early to mid October, or as low as $769 for Tuesday flights around late October.


When to Fly to Newark

Flying from Cheongju (CJJ) to Newark, NJ (EWR) will usually cost between $1416 to $7051 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $1311. Due to high demand the most expensive time to fly is early to mid October, with an average price of $9068. Planning your trip to low-cost times can easily save you $7757 on economy flights and even more on first-class flights. Generally, any price below $3695 can be considered a good price for a round-trip CJJ to EWR flight.

See below for a graph of average weekly prices for the CJJ to EWR route. All prices are for round-trip tickets in USD.

CJJ to EWR Flight Prices

Compared to other flights, the CJJ to EWR flight is more expensive than the average and costs slightly more than the average flight leaving from Cheongju-si. The average price per mile (for a direct flight) is $0.33, which is in the normal range for a flight.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to EWR, and Wednesday the cheapest day to fly back into CJJ. Wednesdays are the most expensive days to fly to Newark, and Sundays are the most expensive days to return to Cheongju-si. Selecting flights on the least expensive days could save you up to $2075 (39%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $2792. Return trip prices are from the EWR to CJJ flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from CJJ to EWR can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 13 hour 26 minutes may not be realistic.


Flight Hacking CJJ to EWR

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from CJJ to EWR — but Champion Traveler does!

Hack #1: Beijing (CJJ > PEK > EWR)

  • Price for both tickets: $1244
  • Average savings: $2451 (66.33%)

See CJJ to HGH flights

Hack #2: Hangzhou (CJJ > HGH > EWR)

  • Price for both tickets: $1267
  • Average savings: $2429 (65.72%)

See CJJ to PEK flights

Hack #3: Shanghai (CJJ > PVG > EWR)

  • Price for both tickets: $1428
  • Average savings: $2267 (61.35%)

See CJJ to PVG flights


Flight Questions Answered

Still have questions about flying from CJJ to EWR? We’ve got answers.

Which airlines fly this route?

You can find 18 major airlines flying this route most often: Air Canada, Air China, Air France, Alaska, Asiana, British Airways, China Southern, Delta, Finnair, Iberia, KLM, Korean Air, LOT, Lufthansa, Singapore Airlines, SWISS, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from Newark Liberty International Airport to Cheongju International Airport?

The distance between the two airports is roughly 6914 miles or 11127 kilometers.

How long does it take to fly from CJJ to EWR?

The real-world flight time for a nonstop CJJ to EWR flight is about 13 hour 26 minutes.

How many flights go between Cheongju and Newark, NJ?

It depends on the day of the week and the date, but a typical day might have around 35 available flights from CJJ to EWR.


Airport Location Info


Departing Airport

Origination code CJJ
Origination airport name Cheongju International Airport
City Cheongju
Country South Korea
Latitude 36.7
Longitude 127.5

Return Airport

Destination code EWR
Destination airport name Newark Liberty International Airport
City Newark, NJ
Country the United States
Latitude 40.7
Longitude -74.2


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.