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Cheongju

$504+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CJJ
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from San Francisco to Cheongju

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Cheongju (CJJ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.

Round-trip from

$967
(FlightHub)

One-way from

$504
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$1,196
From San Francisco to Cheongju
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One-way flight from San Francisco to Cheongju
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Highest demand for flights based on searches. 13% potential increase in price ($138 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 June 2025
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Find flight deals from San Francisco to Cheongju

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 junio 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/231:05 amSFO - CJJ
1 stop37h 40mCathay Pacific
sáb. 8/307:30 amCJJ - SFO
1 stop20h 00mCathay Pacific
Deal found 6/10$967
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/157:10 amSFO - CJJ
2 stops22h 45mMultiple Airlines
vie. 6/204:15 pmCJJ - SFO
1 stop14h 30mMultiple Airlines
Deal found 6/10$1,410
This KAYAK deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/1612:40 pmSFO - CJJ
2 stops32h 45mKorean Air
vie. 6/205:20 pmCJJ - SFO
2 stops33h 20mKorean Air
Deal found 6/10$3,302

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco to Cheongju that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from San Francisco to Cheongju that are best for you.

Fly from

San Francisco

Fly to

Cheongju

Route

Depart

Return

Price

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

sáb. 8/23

1:05 am-6:45 am

1 stop37h 40m

Cheongju

sáb. 8/30

7:30 am-11:30 am

1 stop20h 00m

$967

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

dom. 6/15

7:10 am-9:55 pm

2 stops22h 45m

Cheongju

vie. 6/20

4:15 pm-2:45 pm

1 stop14h 30m

$1,410

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

lun. 6/16

12:40 pm-1:25 pm

2 stops32h 45m

Cheongju

vie. 6/20

5:20 pm-10:40 am

2 stops33h 20m

$3,302

San FranciscoCheongju

SFO - CJJ

SFOCJJ

San Francisco

jue. 8/21

1:40 pm-6:45 am

1 stop25h 05m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Cheongju

Rainfall in Cheongju by month

Plan your trip to Cheongju by taking into account the average rainfall totals by month.

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.

Temperature in Cheongju by month

Plan your trip to Cheongju by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Cheongju

Get insights into the airlines that provide service to Cheongju. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cheongju. Reviews last updated junio 12, 2025.
Korean Air
8.4
Very good
1,088 reviews

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,088 reviews
Korean Air
8.4
Very good
1,088 reviews

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.6
Good
892 reviews
Korean Air
8.4
Very good
1,088 reviews

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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?

    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.

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