App
Customer Support
KRW
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from San Jose to Cheongju Starting at KRW 1,088,713

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • SJC06:15 am
        31h 15m
        2 stops
        CJJ05:30 am
        Wed, Mar 12|San Jose - Cheongju|Alaska Airlines
        KRW 1,088,713KRW 2,946,578
        63% OFF
        63% OFF
        KRW 2,946,578KRW 1,088,713

        Choose Alaska Airlines flights from San Jose to Cheongju. The one-way connecting flight with Alaska Airlines departs from SJ International Airport on Wed, Mar 12, arriving at Cheong Ju International Airport. One-way Prices start from KRW 1,088,713 including taxes and charges.

      • SJC06:35 pm
        34h 55m
        2 stops
        CJJ09:30 pm
        Wed, Mar 12|San Jose - Cheongju|United Airlines
        KRW 2,681,386KRW 2,946,578
        9% OFF
        9% OFF
        KRW 2,946,578KRW 2,681,386

        Choose United Airlines flights from San Jose to Cheongju. The one-way connecting flight with United Airlines departs from SJ International Airport on Wed, Mar 12, arriving at Cheong Ju International Airport. One-way Prices start from KRW 2,681,386 including taxes and charges.

      • SJC01:00 pm
        3h 5m
        Nonstop
        CJJ02:00 pm
        Thu, Feb 27|San Jose - Cheongju|Alaska Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

San Jose to Cheongju Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS2167

    Alaska Airlines

    04:30 pm

    SJC

    1.4h

    05:53 pm

    LAX

    SMTWTFS
    Search

  2. CI007

    China Airlines

    12:05 am

    LAX

    14.1h

    05:10 am

    TPE

    SMTWTFS

  3. RF512

    Aero K Airlines

    11:30 am

    TPE

    2.5h

    03:00 pm

    CJJ

    SMTWTFS

  4. CI9145

    China Airlines

    05:05 pm

    SJC

    1.4h

    06:28 pm

    LAX

    SMTWTFS
    Search

  5. CI007

    China Airlines

    12:05 am

    LAX

    14.1h

    05:10 am

    TPE

    SMTWTFS

  6. RF514

    Aero K Airlines

    06:40 pm

    TPE

    2.3h

    09:55 pm

    CJJ

    SMTWTFS

  7. CI9145

    China Airlines

    05:05 pm

    SJC

    1.4h

    06:28 pm

    LAX

    SMTWTFS
    Search

  8. CI007

    China Airlines

    12:05 am

    LAX

    14.1h

    05:10 am

    TPE

    SMTWTFS

  9. RF512

    Aero K Airlines

    11:30 am

    TPE

    2.5h

    03:00 pm

    CJJ

    SMTWTFS

  10. AS3363

    Alaska Airlines

    06:15 am

    SJC

    1.5h

    07:43 am

    LAX

    SMTWTFS
    Search

  11. BR005

    EVA Air

    11:50 am

    LAX

    14.1h

    04:55 pm

    TPE

    SMTWTFS

  12. ZE782

    Eastar Jet

    02:00 am

    TPE

    2.5h

    05:30 am

    CJJ

    SMTWTFS

  13. AS3363

    Alaska Airlines

    06:15 am

    SJC

    1.5h

    07:43 am

    LAX

    SMTWTFS
    Search

  14. CI005

    China Airlines

    02:50 pm

    LAX

    14.7h

    09:30 pm

    TPE

    --T-T-S

  15. ZE782

    Eastar Jet

    02:00 am

    TPE

    2.5h

    05:30 am

    CJJ

    SMTWTFS

  16. DL3883

    Delta Air Lines

    07:55 pm

    SJC

    1.6h

    09:28 pm

    LAX

    SMTWT-S
    Search

  17. NH105

    All Nippon Airways

    12:05 am

    LAX

    12.4h

    05:30 am

    HND

    SMTWTFS

  18. RF321

    Aero K Airlines

    01:05 pm

    NRT

    2.4h

    03:30 pm

    CJJ

    SMTWTFS

  19. CI9116

    China Airlines

    09:05 am

    SJC

    1.5h

    10:36 am

    LAX

    SMTWT-S
    Search

  20. CI005

    China Airlines

    02:50 pm

    LAX

    14.7h

    09:30 pm

    TPE

    --T-T-S

  21. RF512

    Aero K Airlines

    11:30 am

    TPE

    2.5h

    03:00 pm

    CJJ

    SMTWTFS

  22. CI9116

    China Airlines

    09:05 am

    SJC

    1.5h

    10:36 am

    LAX

    SMTWT-S
    Search

  23. CI005

    China Airlines

    02:50 pm

    LAX

    14.7h

    09:30 pm

    TPE

    --T-T-S

  24. ZE782

    Eastar Jet

    02:00 am

    TPE

    2.5h

    05:30 am

    CJJ

    SMTWTFS

  25. AS3438

    Alaska Airlines

    10:20 am

    SJC

    1.4h

    11:47 am

    LAX

    S--WT-S
    Search

  26. SQ011

    Singapore Airlines

    12:45 pm

    LAX

    11.9h

    05:40 pm

    NRT

    SMTWTFS

  27. RF321

    Aero K Airlines

    01:05 pm

    NRT

    2.4h

    03:30 pm

    CJJ

    SMTWTFS

  28. AS3438

    Alaska Airlines

    10:20 am

    SJC

    1.4h

    11:47 am

    LAX

    S--WT-S
    Search

  29. CI005

    China Airlines

    02:50 pm

    LAX

    14.7h

    09:30 pm

    TPE

    --T-T-S

  30. RF512

    Aero K Airlines

    11:30 am

    TPE

    2.5h

    03:00 pm

    CJJ

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from San Jose to Cheongju?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from San Jose (SJC) to Cheongju (CJJ) the cheapest?

    Airlines adjust prices for flights from San Jose to Cheongju based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from San Jose (SJC) to Cheongju (CJJ) cost?

    According to Trip.com's data, the lowest price is around KRW 1,026,336.

  • What is the transportation method from the main airport to downtown in Cheongju?

    • The distance from Cheong Ju International Airport to downtown is about 8 km. It takes about 20 minutes by taxi.

How to find a cheap flight from San Jose to Cheongju

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Jose to Cheongju. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | San Jose to Cheongju

Off-season for travelMarch
Peak season for travelDecember
Flight distance9,120.82 km
Popular airlineAlaska Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.