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Cheap flights from Boston to Seoul from $6,866

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Seoul departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boston to Seoul

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to Seoul that have been recently found on momondo from popular airlines, departing in the coming months.
Korean Air Logo
12:55 pm - 4:30 pmBOS-CJJ
38h 35m2 stops
Korean Air Logo
2:05 pm - 10:10 amCJJ-BOS
33h 05m2 stops
$6,866Korean Air
Find Deal
Thu, Sep 4 - Mon, Sep 15
Korean Air Logo
12:55 pm - 1:25 pmBOS-CJJ
35h 30m2 stops
Korean Air Logo
5:20 pm - 10:10 amCJJ-BOS
53h 50m2 stops
$7,116Korean Air
Find Deal
Sat, Sep 6 - Sun, Sep 21
Korean Air Logo
12:55 pm - 1:25 pmBOS-CJJ
35h 30m2 stops
Korean Air Logo
5:20 pm - 10:10 amCJJ-BOS
29h 50m2 stops
$7,366Korean Air
Find Deal
Sat, Sep 6 - Sat, Sep 20
Cathay Pacific Logo
1:40 am - 6:45 amBOS-CJJ
40h 05m1 stop
Cathay Pacific Logo
7:30 am - 11:00 pmCJJ-BOS
28h 30m1 stop
$7,695Cathay Pacific
Find Deal
Wed, Sep 3 - Sat, Sep 20
Cathay Pacific Logo
1:40 am - 6:45 amBOS-CJJ
40h 05m1 stop
Cathay Pacific Logo
7:30 am - 11:00 pmCJJ-BOS
28h 30m1 stop
$7,945Cathay Pacific
Find Deal
Thu, Sep 4 - Sun, Sep 21
Korean Air Logo
12:55 pm - 10:20 amBOS-CJJ
32h 25m2 stops
Korean Air Logo
5:20 pm - 10:10 amCJJ-BOS
29h 50m2 stops
$8,366Korean Air
Find Deal
Thu, Sep 11 - Wed, Sep 24
Korean Air Logo
12:55 pm - 10:20 amBOS-CJJ
32h 25m2 stops
Korean Air Logo
5:20 pm - 10:10 amCJJ-BOS
29h 50m2 stops
$8,616Korean Air
Find Deal
Sun, Sep 7 - Wed, Sep 17

Korean Air flights from Boston to Cheongju

Our best Korean Air deals on Boston to Cheongju flight tickets
Korean Air
Sep 4
BOS12:55 pmBoston Logan Intl
38h 35m
2 stops
CJJ4:30 pmCheongju
Sep 15
CJJ2:05 pmCheongju
33h 05m
2 stops
BOS10:10 amBoston Logan Intl
Korean Air
Sep 6
BOS12:55 pmBoston Logan Intl
35h 30m
2 stops
CJJ1:25 pmCheongju
Sep 21
CJJ5:20 pmCheongju
53h 50m
2 stops
BOS10:10 amBoston Logan Intl
Korean Air
Sep 6
BOS12:55 pmBoston Logan Intl
35h 30m
2 stops
CJJ1:25 pmCheongju
Sep 20
CJJ5:20 pmCheongju
29h 50m
2 stops
BOS10:10 amBoston Logan Intl

Cathay Pacific flights from Boston to Cheongju

Our best Cathay Pacific deals on Boston to Cheongju flight tickets
Cathay Pacific
Sep 3
BOS1:40 amBoston Logan Intl
40h 05m
1 stop
CJJ6:45 amCheongju
Sep 20
CJJ7:30 amCheongju
28h 30m
1 stop
BOS11:00 pmBoston Logan Intl
Cathay Pacific
Sep 4
BOS1:40 amBoston Logan Intl
40h 05m
1 stop
CJJ6:45 amCheongju
Sep 21
CJJ7:30 amCheongju
28h 30m
1 stop
BOS11:00 pmBoston Logan Intl

See travel insights to Seoul from

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, Air Canada and Delta 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 41% of people opting to fly with this airline when traveling to Cheongju. Keep in mind that there are 7 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

$6,866

Fastest flight time

32h 25m

Direct flights

None

Airports in Cheongju

1 airport
The best flight deal from Boston to Cheongju found on momondo in the last 72 hours is $6,866
The fastest flight from Boston to Cheongju takes 32h 25m
There are no direct flights from Boston to Cheongju. Popular non-direct route for this connection is Boston Logan Intl Airport - Cheongju Airport.
There is 1 airport near Cheongju: Cheongju (CJJ)

  • 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 32h 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.


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