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Cheongju

$1,420+ Cheap flights from Boston (BOS) to Cheongju (CJJ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CJJ
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Boston to Cheongju

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 July 30, 2025.

Round-trip from

$1,420
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$1,555
From Boston Logan Intl to Cheongju
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Highest demand for flights based on searches. 11% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Boston to Cheongju

Cheapest flights from Boston to Cheongju
Explore the most affordable flight options available from Boston to Cheongju. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/30. 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.
Fri 9/121:40 amBOS - CJJ
2 stops25h 45mMultiple Airlines
Sat 9/2010:55 amCJJ - BOS
2 stops25h 05mMultiple Airlines
Deal found 7/30$1,420

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 July 30, 2025.
Use the filters below to find and compare flights from Boston to Cheongju that are best for you.

Fly from

Boston

Fly to

Cheongju

Route

Depart

Return

Price

BostonCheongju

BOS - CJJ

BOSCJJ

Boston Logan Intl

Fri 9/12

1:40 am-4:25 pm

2 stops25h 45m

Cheongju

Sat 9/20

10:55 am-11:00 pm

2 stops25h 05m

$1,420

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Boston to Cheongju

Have a flexible travel schedule? Discover the best time to fly to Cheongju from Boston 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.

Related info for your journey

Find useful and relevant information for your journey from Boston 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 Boston to Cheongju that include hotel bookings?

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

  • How can I find direct flights from Boston to Cheongju?

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

  • Can I find deals for business class flights from Boston to Cheongju?

    Yes. Cheapflights offers flight deals from Boston 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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