When did momondo last update prices for flights from Boston Logan Intl Airport to Cheongju Airport?

Prices for flights from Boston Logan Intl Airport to Cheongju Airport refresh daily.

How old do you have to be to fly from Boston Logan Intl Airport to Cheongju Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Cheongju Airport.

What documentation or ID do you need to fly to Cheongju Airport?

The necessary travel and health documents for your Cheongju Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,416 Cheap Flights from Boston to Cheongju in 2026

Find the cheapest flights from Boston to Seoul

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:25 am - 10:50 am

BOS

CJJ

39h 25m

2 stops

11:50 am - 11:51 pm

CJJ

BOS

49h 01m

2 stops

$1,416China Eastern

Sun, Sep 6 - Thu, Sep 10

10:40 am - 9:55 pm

BOS

CJJ

22h 15m

2 stops

7:20 am - 9:26 pm

CJJ

BOS

27h 06m

2 stops

$1,486Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

6:20 am - 10:50 am

BOS

CJJ

39h 30m

2 stops

12:10 pm - 9:08 pm

CJJ

BOS

45h 58m

2 stops

$1,530China Eastern

Thu, Sep 17 - Sun, Sep 27

6:00 am - 9:05 pm

BOS

CJJ

26h 05m

2 stops

10:30 am - 9:26 pm

CJJ

BOS

47h 56m

3 stops

$1,619Multiple Airlines

Mon, Sep 14 - Mon, Sep 21

1:00 pm - 9:55 pm

BOS

CJJ

19h 55m

1 stop

7:20 am - 6:10 pm

CJJ

BOS

23h 50m

1 stop

$1,665Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

6:20 am - 10:50 am

BOS

CJJ

39h 30m

2 stops

12:10 pm - 9:08 pm

CJJ

BOS

45h 58m

2 stops

$1,723China Eastern

Sun, Sep 20 - Sun, Sep 27

6:20 am - 11:10 am

BOS

CJJ

39h 50m

2 stops

12:10 pm - 9:08 pm

CJJ

BOS

45h 58m

2 stops

$1,770China Eastern

Fri, Sep 18 - Sun, Sep 27

6:25 am - 10:50 am

BOS

CJJ

39h 25m

2 stops

11:50 am - 7:08 pm

CJJ

BOS

44h 18m

2 stops

$1,844China Eastern

Sun, Sep 6 - Sat, Sep 12

6:00 am - 9:05 pm

BOS

CJJ

26h 05m

2 stops

8:15 am - 11:05 pm

CJJ

BOS

27h 50m

2 stops

$1,914Multiple Airlines

Mon, Sep 14 - Mon, Sep 21

6:00 am - 9:55 pm

BOS

CJJ

26h 55m

2 stops

10:30 am - 9:05 am

CJJ

BOS

35h 35m

3 stops

$2,022Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

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China Eastern flights from Boston to Cheongju

Our best China Eastern deals on Boston to Cheongju flight tickets

China Eastern

Sep 6

BOS6:25 amBoston Logan Intl

39h 25m

2 stops

CJJ10:50 amCheongju

Sep 10

CJJ11:50 amCheongju

49h 01m

2 stops

BOS11:51 pmBoston Logan Intl

$1,416

China Eastern

Sep 17

BOS6:20 amBoston Logan Intl

39h 30m

2 stops

CJJ10:50 amCheongju

Sep 27

CJJ12:10 pmCheongju

45h 58m

2 stops

BOS9:08 pmBoston Logan Intl

$1,530

China Eastern

Sep 20

BOS6:20 amBoston Logan Intl

39h 30m

2 stops

CJJ10:50 amCheongju

Sep 27

CJJ12:10 pmCheongju

45h 58m

2 stops

BOS9:08 pmBoston Logan Intl

$1,723

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonCheongju

BOS - CJJ

BOSCJJ

Boston Logan Intl

Sun 9/6

6:25 am-10:50 am

2 stops39h 25m

Cheongju

Thu 9/10

11:50 am-11:51 pm

2 stops49h 01m

$1,416

BostonCheongju

BOS - CJJ

BOSCJJ

Boston Logan Intl

Wed 9/16

10:40 am-9:55 pm

2 stops22h 15m

Cheongju

Wed 9/23

7:20 am-9:26 pm

2 stops27h 06m

$1,486

BostonCheongju

BOS - CJJ

BOSCJJ

Boston Logan Intl

Thu 9/17

6:20 am-10:50 am

2 stops39h 30m

Cheongju

Sun 9/27

12:10 pm-9:08 pm

2 stops45h 58m

$1,530

BostonCheongju

BOS - CJJ

BOSCJJ

Boston Logan Intl

Mon 9/14

6:00 am-9:05 pm

2 stops26h 05m

Cheongju

Mon 9/21

10:30 am-9:26 pm

3 stops47h 56m

$1,619

Quickest round-trip

BostonCheongju

BOS - CJJ

BOSCJJ

Boston Logan Intl

Wed 9/16

1:00 pm-9:55 pm

1 stop19h 55m

Cheongju

Wed 9/23

7:20 am-6:10 pm

1 stop23h 50m

$1,665

BostonCheongju

BOS - CJJ

BOSCJJ

Boston Logan Intl

Sun 9/20

6:20 am-10:50 am

2 stops39h 30m

Cheongju

Sun 9/27

12:10 pm-9:08 pm

2 stops45h 58m

$1,723

BostonCheongju

BOS - CJJ

BOSCJJ

Boston Logan Intl

Fri 9/18

6:20 am-11:10 am

2 stops39h 50m

Cheongju

Sun 9/27

12:10 pm-9:08 pm

2 stops45h 58m

$1,770

BostonCheongju

BOS - CJJ

BOSCJJ

Boston Logan Intl

Sun 9/6

6:25 am-10:50 am

2 stops39h 25m

Cheongju

Sat 9/12

11:50 am-7:08 pm

2 stops44h 18m

$1,844

BostonCheongju

BOS - CJJ

BOSCJJ

Boston Logan Intl

Mon 9/14

6:00 am-9:05 pm

2 stops26h 05m

Cheongju

Mon 9/21

8:15 am-11:05 pm

2 stops27h 50m

$1,914

BostonCheongju

BOS - CJJ

BOSCJJ

Boston Logan Intl

Wed 9/16

6:00 am-9:55 pm

2 stops26h 55m

Cheongju

Wed 9/23

10:30 am-9:05 am

3 stops35h 35m

$2,022

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Boston to Cheongju

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Cheongju?

Korean Air, Delta and Air Canada are the top three most popular airlines that fly to Cheongju from Boston according to our data. Korean Air is the first choice among our users, with 27% of people opting to fly with this airline when traveling to Cheongju. Keep in mind that there are 9 different airlines that fly to Cheongju on a routine basis, so you have a few additional options to choose from.

When to book flights from Boston to Cheongju

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Cheongju according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Cheongju (BOS to CJJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Cheongju

Fastest flight time	39h 25m
Direct flights	None

The fastest flight from Boston to Cheongju takes 39h 25m

There are no direct flights from Boston to Cheongju. There are no popular flight routes from Boston to Cheongju.

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Frequently asked questions about flying from Boston to Cheongju

How far is Boston Logan Intl to Cheongju by plane?
Cheongju is 6849.9 mi away from Boston Logan Intl. Flights usually cover this in 39h 25m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Boston Logan Intl Airport to Cheongju Airport?
Prices for flights from Boston Logan Intl Airport to Cheongju Airport refresh daily.
How old do you have to be to fly from Boston Logan Intl Airport to Cheongju Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Cheongju Airport.
What documentation or ID do you need to fly to Cheongju Airport?
The necessary travel and health documents for your Cheongju Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Cheongju?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Cheongju. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Cheongju with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Cheongju flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Cheongju?

Once all potential Boston to Cheongju flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Boston to Cheongju right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Cheongju, momondo offers a useful price alert feature which will track prices for flights to Cheongju from Boston and alert you when they change.