In terms of precipitation, rainfall in Cheongju ranges from 1.1 - 10.8 inches per month. July is typically the wettest month, when rainfall can reach 10.8 in. December is typically the driest time to visit Cheongju when rainfall is around 1.1 in.

If weather is an important factor for your trip to Cheongju, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

What is the cheapest month to fly from San Francisco to Cheongju?

Our data shows that February tends to be the cheapest month to fly to Cheongju from San Francisco. Users have commonly found prices around $885 for the month, but tickets can be as low as $639. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from SFO to CJJ?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Cheongju as you normally would.

Can I find deals for flights from San Francisco to Cheongju that include hotel bookings?

Yes. In addition to deals on San Francisco to Cheongju flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Francisco to Cheongju?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Cheongju.

Can I find deals for business class flights from San Francisco to Cheongju?

Yes. Cheapflights offers flight deals from San Francisco to Cheongju by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$606+ Flights from San Francisco to Cheongju

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Cheap flight deals from San Francisco to Cheongju

Popular in	December
Cheapest in	February
Average price	$935

Highest demand for flights based on searches. 14% potential increase in price ($143 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Cheapest flights from San Francisco to Cheongju
Explore the most affordable flight options available from San Francisco to Cheongju. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Sat 11/111:40 pmSFO - CJJ

1 stop38h 05mMultiple Airlines

Mon 11/1711:45 pmCJJ - SFO

2 stops36h 45mMultiple Airlines

Deal found 7/27

$1,041

Sat 11/2211:35 pmSFO - CJJ

1 stop38h 10mCathay Pacific

Sat 11/297:30 amCJJ - SFO

1 stop25h 50mCathay Pacific

Deal found 7/29

$1,540

One-way flights from San Francisco to Cheongju
Search for one-way flight options from San Francisco to Cheongju. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Fri 8/221:40 pmSFO - CJJ

1 stop25h 05mCathay Pacific

Deal found 7/29

$606

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Cheongju that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

Fri 8/22

1:40 pm-6:45 am

1 stop25h 05m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from San Francisco to Cheongju

Have a flexible travel schedule? Discover the best time to fly to Cheongju from San Francisco with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Cheongju

Get a feel of what it's like to fly with Cathay Pacific from San Francisco to Cheongju by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Cathay Pacific

7.6

Good

948 reviews

Reviews

1 / 20

10.0

Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.

Cathay Pacific

7.6

Good

948 reviews

Cathay Pacific

7.6

Good

948 reviews

Reviews

1 / 20

10.0

Excellent

Douglas,Jun 2025

MNL - HKG

Flight attendant was very helpful in finding something simple to eat as opposed to a full meal. I appreciated her efforts to make it a comfortable flight.

Related info for your journey

Can I find deals for flights from San Francisco to Cheongju that include hotel bookings?
Yes. In addition to deals on San Francisco to Cheongju flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Francisco to Cheongju?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Cheongju.
Can I find deals for business class flights from San Francisco to Cheongju?
Yes. Cheapflights offers flight deals from San Francisco to Cheongju by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

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$606+ Cheap flights from San Francisco (SFO) to Cheongju (CJJ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to Cheongju with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Francisco to Cheongju

Popular in

Cheapest in

Average price

Find flight deals from San Francisco to Cheongju

Cheapest flights from San Francisco to CheongjuExplore the most affordable flight options available from San Francisco to Cheongju. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from San Francisco to Cheongju. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Cheongju that are best for you.

Best time to book a flight from San Francisco to Cheongju

Have a flexible travel schedule? Discover the best time to fly to Cheongju from San Francisco with our price prediction graph.

Reviews of airlines servicing Cheongju

Get a feel of what it's like to fly with Cathay Pacific from San Francisco to Cheongju by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Cheongju. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from San Francisco to Cheongju that include hotel bookings?

How can I find direct flights from San Francisco to Cheongju?

Can I find deals for business class flights from San Francisco to Cheongju?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Cheongju

See prices for flight routes from nearby airports that may be better suited for you.

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Travel Smart

Cheapest flights from San Francisco to Cheongju
Explore the most affordable flight options available from San Francisco to Cheongju. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.