Cheap Flights from Cheongju (CJJ) to Seattle (SEA)

Popular airlines from Cheongju (CJJ-Cheongju Intl.) to Seattle

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Frequently asked questions

How much does a flight from Cheongju Intl. Airport (CJJ) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight or cheap return flight from Cheongju Intl. Airport (CJJ) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Cheongju Intl. Airport (CJJ) to Seattle - Tacoma Intl. Airport (SEA)?
Traveling in can help you save, as it's the cheapest month for flights between CJJ and SEA. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Cheongju Intl. Airport (CJJ) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CJJ to SEA flight.
How many flights per day from Cheongju Intl. Airport (CJJ) to Seattle - Tacoma Intl. Airport (SEA)?
There are no daily nonstop flights from Cheongju Intl. Airport (CJJ) to Seattle - Tacoma Intl. Airport (SEA). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from CJJ to SEA?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cheongju Intl. Airport (CJJ) to Seattle - Tacoma Intl. Airport (SEA)?
To touch down at Seattle - Tacoma Intl. Airport (SEA) without delays, opt for a flight that leaves Cheongju Intl. Airport (CJJ) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Cheongju Intl. Airport (CJJ) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your flight from CJJ to SEA shortly before your getaway is generally more expensive. But if there's some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a CJJ to SEA flight and hotel package?
Securing a CJJ to SEA flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our impressive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cheongju Intl. Airport (CJJ) to Seattle - Tacoma Intl. Airport (SEA)?
Typically, you can reschedule or cancel your CJJ to SEA flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want more details, go to our Customer Service portal.

Travel information

Origin airport
Cheongju Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
5205 mi

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Cheongju to Seattle Flights

The cheapest times to fly from Cheongju to Seattle

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

 

The best time to book a flight from Cheongju to Seattle

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

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 Cheongju to Seattle in 2026. 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 Cheongju to Seattle 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 Cheongju to Seattle 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.

 

Cheongju to Seattle Flights

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*Available to One Key members.