Cheap Flights from San Francisco (SFO) to Cheongju (CJJ)

Popular airlines from San Francisco Intl. Airport (SFO) to Cheongju (CJJ-Cheongju Intl.)

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Cheongju Intl. Airport (CJJ) cost?
Grab a cheap one-way flight or cheap return flight from San Francisco Intl. Airport (SFO) to Cheongju Intl. Airport (CJJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Cheongju Intl. Airport (CJJ)?
The cheapest month to fly from SFO to CJJ is , when demand is low. Off-peak season is generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Cheongju Intl. Airport (CJJ)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SFO to CJJ flight.
How many flights per day from San Francisco Intl. Airport (SFO) to Cheongju Intl. Airport (CJJ)?
You'll have to hop on a flight with a layover when traveling from San Francisco Intl. Airport (SFO) to Cheongju Intl. Airport (CJJ). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SFO to CJJ?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Cheongju Intl. Airport (CJJ)?
Choose a flight from San Francisco Intl. Airport (SFO) to Cheongju Intl. Airport (CJJ) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be 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.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Cheongju Intl. Airport (CJJ) last-minute?
Booking your flight from SFO to CJJ shortly before your trip is usually more expensive. However, if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a SFO to CJJ flight and hotel package?
You can save money by securing a SFO to CJJ flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal flights and accommodations, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Cheongju Intl. Airport (CJJ)?
In most instances, you're able to reschedule or cancel your SFO to CJJ flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, visit our Customer Service portal.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Cheongju Intl.
Distance
5636 mi

Book with confidence

San Francisco to Cheongju Flights

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

 

The best time to book a flight from San Francisco to Cheongju

Sunday is one of the best days to book for cheap flights from San Francisco 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 San Francisco 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 San Francisco 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 San Francisco 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 San Francisco 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.

 

San Francisco to Cheongju Flights

Explore a world of travel with Expedia

*Available to One Key members.