Cheap Flights from Washington (IAD) to Cheongju (CJJ)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Cheongju (CJJ-Cheongju Intl.)

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Cheongju Intl. Airport (CJJ) cost?
Lock in a cheap one-way flight or cheap return flight from Washington Dulles Intl. Airport (IAD) to Cheongju Intl. Airport (CJJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Cheongju Intl. Airport (CJJ)?
The cheapest month to fly from IAD to CJJ is , when there's less demand. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Cheongju Intl. Airport (CJJ)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IAD to CJJ flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Cheongju Intl. Airport (CJJ)?
Direct flights from Washington Dulles Intl. Airport (IAD) to Cheongju Intl. Airport (CJJ) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to CJJ?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Cheongju Intl. Airport (CJJ)?
To touch down at Cheongju Intl. Airport (CJJ) without delays, book a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Cheongju Intl. Airport (CJJ) last-minute?
Last-minute fares from IAD to CJJ are generally more expensive. To lock in the cheapest rates, start looking for flights as soon as possible. That being said, if you're flexible with your travel plans, it's possible to land a cheap fare right before you leave.
Is it cheaper to book an IAD to CJJ flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to CJJ flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the stress out of travel planning. Just pick your flights and choose from our wide range of hotels, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Cheongju Intl. Airport (CJJ)?
It's generally possible to cancel or reschedule your IAD to CJJ flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Cheongju Intl.
Distance
6972 mi

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Washington to Cheongju Flights

The cheapest times to fly from Washington to Cheongju

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 Washington to Cheongju are during the month of . You can find some of the cheapest flights from Washington to Cheongju with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Cheongju

Sunday is one of the best days to book for cheap flights from Washington to Cheongju: 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 Washington to Cheongju

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 Washington to Cheongju in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Washington to Cheongju 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 Washington to Cheongju 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.

 

Washington to Cheongju Flights

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*Available to One Key members.