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.

$2,206 Cheap Flights from Boston to Cheongju in 2026/27

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.

10:25 am - 10:55 amBOS Boston Logan Intl-CJJ Cheongju

34h 30m3 stops Montreal Pierre Elliott Trudeau Intl Geneva Geneve-Cointrin Shanghai Pu Dong

12:35 pm - 9:48 amCJJ Cheongju-BOS Boston Logan Intl

35h 13m3 stops Shanghai Pu Dong Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,206Multiple Airlines

Tue, Dec 15 - Tue, Dec 22

10:25 am - 10:55 amBOS Boston Logan Intl-CJJ Cheongju

34h 30m3 stops Montreal Pierre Elliott Trudeau Intl Geneva Geneve-Cointrin Shanghai Pu Dong

8:45 am - 10:00 pmCJJ Cheongju-BOS Boston Logan Intl

27h 15m2 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl

$2,679Multiple Airlines

Tue, Dec 15 - Tue, Dec 22

12:00 pm - 9:30 pmBOS Boston Logan Intl-CJJ Cheongju

19h 30m1 stop Tokyo Narita

12:35 pm - 9:48 amCJJ Cheongju-BOS Boston Logan Intl

35h 13m3 stops Shanghai Pu Dong Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,806Multiple Airlines

Tue, Dec 15 - Tue, Dec 22

9:50 am - 10:30 amBOS Boston Logan Intl-CJJ Cheongju

34h 40m2 stops Toronto Pearson Intl Shanghai Pu Dong

2:55 pm - 10:07 amCJJ Cheongju-BOS Boston Logan Intl

33h 12m3 stops Shanghai Pu Dong Vancouver Intl Toronto Pearson Intl

$2,810Multiple Airlines

Wed, Dec 16 - Wed, Dec 23

9:50 am - 10:30 amBOS Boston Logan Intl-CJJ Cheongju

34h 40m2 stops Toronto Pearson Intl Shanghai Pu Dong

2:55 pm - 10:37 pmCJJ Cheongju-BOS Boston Logan Intl

21h 42m2 stops Shanghai Pu Dong Toronto Pearson Intl

$2,814Multiple Airlines

Wed, Dec 16 - Wed, Dec 23

5:30 am - 9:30 pmBOS Boston Logan Intl-CJJ Cheongju

26h 00m3 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl Tokyo Narita

2:55 pm - 10:07 amCJJ Cheongju-BOS Boston Logan Intl

33h 12m3 stops Shanghai Pu Dong Vancouver Intl Toronto Pearson Intl

$2,855Multiple Airlines

Wed, Dec 16 - Wed, Dec 23

12:00 pm - 9:30 pmBOS Boston Logan Intl-CJJ Cheongju

19h 30m1 stop Tokyo Narita

8:45 am - 10:00 pmCJJ Cheongju-BOS Boston Logan Intl

27h 15m2 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl

$3,218Multiple Airlines

Tue, Dec 15 - Tue, Dec 22

12:00 pm - 9:30 pmBOS Boston Logan Intl-CJJ Cheongju

19h 30m1 stop Tokyo Narita

2:55 pm - 10:07 amCJJ Cheongju-BOS Boston Logan Intl

33h 12m2 stops Shanghai Pu Dong Toronto Pearson Intl

$3,252Multiple Airlines

Wed, Dec 16 - Wed, Dec 23

5:45 am - 9:30 pmBOS Boston Logan Intl-CJJ Cheongju

25h 45m2 stops Toronto Pearson Intl Tokyo Narita

7:25 am - 9:10 amCJJ Cheongju-BOS Boston Logan Intl

39h 45m3 stops Tokyo Narita Calgary Toronto Pearson Intl

$3,459Multiple Airlines

Thu, Dec 17 - Thu, Dec 24

5:45 am - 9:30 pmBOS Boston Logan Intl-CJJ Cheongju

25h 45m3 stops Toronto Pearson Intl Vancouver Intl Tokyo Narita

7:25 am - 9:10 amCJJ Cheongju-BOS Boston Logan Intl

39h 45m3 stops Tokyo Narita Calgary Toronto Pearson Intl

$3,461Multiple Airlines

Thu, Dec 17 - Thu, Dec 24

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonCheongju

BOS Boston Logan Intl - CJJ Cheongju

BOSCJJ

Boston Logan Intl

Tue 12/15

10:25 am-10:55 am

3 stops34h 30m

Cheongju

Tue 12/22

12:35 pm-9:48 am

3 stops35h 13m

$2,206

BostonCheongju

BOS Boston Logan Intl - CJJ Cheongju

BOSCJJ

Boston Logan Intl

Tue 12/15

10:25 am-10:55 am

3 stops34h 30m

Cheongju

Tue 12/22

8:45 am-10:00 pm

2 stops27h 15m

$2,679

BostonCheongju

BOS Boston Logan Intl - CJJ Cheongju

BOSCJJ

Boston Logan Intl

Tue 12/15

12:00 pm-9:30 pm

1 stop19h 30m

Cheongju

Tue 12/22

12:35 pm-9:48 am

3 stops35h 13m

$2,806

BostonCheongju

BOS Boston Logan Intl - CJJ Cheongju

BOSCJJ

Boston Logan Intl

Wed 12/16

9:50 am-10:30 am

2 stops34h 40m

Cheongju

Wed 12/23

2:55 pm-10:07 am

3 stops33h 12m

$2,810

BostonCheongju

BOS Boston Logan Intl - CJJ Cheongju

BOSCJJ

Boston Logan Intl

Wed 12/16

9:50 am-10:30 am

2 stops34h 40m

Cheongju

Wed 12/23

2:55 pm-10:37 pm

2 stops21h 42m

$2,814

BostonCheongju

BOS Boston Logan Intl - CJJ Cheongju

BOSCJJ

Boston Logan Intl

Wed 12/16

5:30 am-9:30 pm

3 stops26h 00m

Cheongju

Wed 12/23

2:55 pm-10:07 am

3 stops33h 12m

$2,855

Quickest round-trip

BostonCheongju

BOS Boston Logan Intl - CJJ Cheongju

BOSCJJ

Boston Logan Intl

Tue 12/15

12:00 pm-9:30 pm

1 stop19h 30m

Cheongju

Tue 12/22

8:45 am-10:00 pm

2 stops27h 15m

$3,218

BostonCheongju

BOS Boston Logan Intl - CJJ Cheongju

BOSCJJ

Boston Logan Intl

Wed 12/16

12:00 pm-9:30 pm

1 stop19h 30m

Cheongju

Wed 12/23

2:55 pm-10:07 am

2 stops33h 12m

$3,252

BostonCheongju

BOS Boston Logan Intl - CJJ Cheongju

BOSCJJ

Boston Logan Intl

Thu 12/17

5:45 am-9:30 pm

2 stops25h 45m

Cheongju

Thu 12/24

7:25 am-9:10 am

3 stops39h 45m

$3,459

BostonCheongju

BOS Boston Logan Intl - CJJ Cheongju

BOSCJJ

Boston Logan Intl

Thu 12/17

5:45 am-9:30 pm

3 stops25h 45m

Cheongju

Thu 12/24

7:25 am-9:10 am

3 stops39h 45m

$3,461

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?

Delta, Korean Air and Cathay Pacific are the top three most popular airlines that fly to Cheongju from Boston according to our data. Delta is the first choice among our users, with 31% 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

Best Price Found	$2,206
Fastest flight time	25h 45m
Direct flights	None

The best flight deal from Boston to Cheongju found on momondo in the last 72 hours is $2,206

The fastest flight from Boston to Cheongju takes 25h 45m

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

Search flight deals

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 25h 45m, 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.