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Cheap flights from Boston to Jeju City from $1,173

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 Jeju City departing on 1/24. 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 Jeju City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
12:30 am - 7:10 pmBOS-CJU
28h 40m1 stop
Cathay Pacific Logo
8:00 pm - 10:00 pmCJU-BOS
40h 00m1 stop
$1,173Cathay Pacific
Find Deal
Sat, Jan 24 - Wed, Jan 28
Cathay Pacific Logo
12:30 am - 6:40 amBOS-CJU
40h 10m1 stop
Cathay Pacific Logo
8:00 pm - 10:00 pmCJU-BOS
40h 00m1 stop
$1,248Cathay Pacific
Find Deal
Fri, Jan 23 - Wed, Jan 28
Multiple Airlines Logo
10:10 pm - 6:55 pmBOS-CJU
54h 45m2 stops
Multiple Airlines Logo
10:25 pm - 8:00 pmCJU-BOS
59h 35m2 stops
$20,141Multiple Airlines
Find Deal
Wed, Jan 14 - Sat, Jan 31
Korean Air Logo
11:00 am - 10:15 pmBOS-CJU
21h 15m1 stop
Korean Air Logo
8:50 pm - 8:40 amCJU-BOS
25h 50m1 stop
$24,409Korean Air
Find Deal
Wed, Jan 14 - Sat, Jan 31

Cathay Pacific flights from Boston to Jeju City

Our best Cathay Pacific deals on Boston to Jeju City flight tickets
Cathay Pacific
Jan 24
BOS12:30 amBoston Logan Intl
28h 40m
1 stop
CJU7:10 pmJeju City
Jan 28
CJU8:00 pmJeju City
40h 00m
1 stop
BOS10:00 pmBoston Logan Intl
$1,173
Find similar
Cathay Pacific
Jan 23
BOS12:30 amBoston Logan Intl
40h 10m
1 stop
CJU6:40 amJeju City
Jan 28
CJU8:00 pmJeju City
40h 00m
1 stop
BOS10:00 pmBoston Logan Intl
$1,248
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Jeju City 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, momondo users made 832,500 searches. Data last updated December 1, 2025.
Use the filters below to find and compare flights from Boston to Jeju City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonJeju City

BOS - CJU

BOSCJU

Boston Logan Intl

Sat 1/24

12:30 am-7:10 pm

1 stop28h 40m

Jeju City

Wed 1/28

8:00 pm-10:00 pm

1 stop40h 00m

$1,173

BostonJeju City

BOS - CJU

BOSCJU

Boston Logan Intl

Fri 1/23

12:30 am-6:40 am

1 stop40h 10m

Jeju City

Wed 1/28

8:00 pm-10:00 pm

1 stop40h 00m

$1,248

BostonJeju City

BOS - CJU

BOSCJU

Boston Logan Intl

Wed 1/14

10:10 pm-6:55 pm

2 stops54h 45m

Jeju City

Sat 1/31

10:25 pm-8:00 pm

2 stops59h 35m

$20,141

BostonJeju City

BOS - CJU

BOSCJU

Boston Logan Intl

Wed 1/14

11:00 am-10:15 pm

1 stop21h 15m

Jeju City

Sat 1/31

8:50 pm-8:40 am

1 stop25h 50m

$24,409

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Boston to Jeju City

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Jeju City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Jeju City (BOS to CJU) flight deals and tips

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

Fastest flight time

32h 45m

Direct flights

None
The fastest flight from Boston to Jeju City takes 32h 45m
There are no direct flights from Boston to Jeju City. There are no popular flight routes from Boston to Jeju City.
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  • How far is Boston Logan Intl to Jeju City by plane?

    Boston Logan Intl and Jeju City are 7072.7 mi apart from one another. A reasonable flight in good conditions will take 21h 15m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Jeju City Airport?

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

  • How old do you have to be to fly from Boston Logan Intl Airport to Jeju City 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 Jeju City Airport.

  • What documentation or ID do you need to fly to Jeju City Airport?

    The necessary travel and health documents for your Jeju City 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.

  • How do I get Price Alerts for flights from Boston to Jeju City?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Boston from Jeju City. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Boston to Jeju City with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Jeju City?

Book flights to Jeju City if you plan to visit one of these locations
Seogwipo

Why use momondo?

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

Finding the right flight to Jeju City from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Jeju City quick and easy, saving you time and money.

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

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

How can momondo help me find flights from Boston to Jeju City?

momondo helps you find the best flight between Boston and Jeju City by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Boston to Jeju City flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cabin classes currently available on flights to Jeju City

List of cabin classes available on flights landing in Jeju City. Availability may vary depending on flight origin and airline.
First Class to Jeju City
Business Class to Jeju City