Cheap flights from Boston to South Korea from $423

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to South Korea departing on 1/29. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:40 pm - 8:05 pm
BOS
-
ICN
36h 25m
2 stops
Multiple Airlines Logo
9:00 am - 9:27 pm
ICN
-
BOS
25h 27m
2 stops
$847Multiple Airlines
Fri, Apr 10 - Mon, Apr 20
Multiple Airlines Logo
6:40 pm - 1:50 pm
BOS
-
ICN
30h 10m
2 stops
Multiple Airlines Logo
9:00 am - 9:27 pm
ICN
-
BOS
25h 27m
2 stops
$854Multiple Airlines
Wed, Apr 22 - Fri, May 8
Multiple Airlines Logo
6:40 pm - 2:10 pm
BOS
-
GMP
30h 30m
2 stops
Multiple Airlines Logo
8:35 am - 4:40 pm
GMP
-
BOS
21h 05m
1 stop
$858Multiple Airlines
Sun, Apr 5 - Sun, Apr 19
Multiple Airlines Logo
6:40 pm - 6:30 pm
BOS
-
ICN
34h 50m
2 stops
Multiple Airlines Logo
8:20 am - 4:40 pm
ICN
-
BOS
21h 20m
1 stop
$858Multiple Airlines
Sun, Apr 5 - Sun, Apr 19
Multiple Airlines Logo
6:40 pm - 1:45 pm
BOS
-
ICN
29h 05m
2 stops
Multiple Airlines Logo
8:10 pm - 10:37 pm
ICN
-
BOS
16h 27m
1 stop
$864Multiple Airlines
Sun, Feb 1 - Tue, Feb 24
Cathay Pacific Logo
12:30 am - 1:20 pm
BOS
-
PUS
22h 50m
1 stop
Cathay Pacific Logo
2:05 pm - 10:00 pm
PUS
-
BOS
21h 55m
1 stop
$1,458Cathay Pacific
Tue, Mar 3 - Sun, Mar 8
Singapore Airlines Logo
2:15 pm - 6:45 am
BOS
-
PUS
51h 30m
3 stops
Singapore Airlines Logo
8:15 am - 10:05 pm
PUS
-
BOS
50h 50m
3 stops
$1,707Singapore Airlines
Sun, Mar 22 - Mon, Apr 6
Cathay Pacific Logo
1:45 am - 6:20 am
BOS
-
CJU
39h 35m
1 stop
Cathay Pacific Logo
7:30 am - 11:05 pm
CJU
-
BOS
28h 35m
1 stop
$1,789Cathay Pacific
Sun, May 31 - Wed, Jun 17
Air France Logo
9:45 pm - 6:20 pm
BOS
-
PUS
31h 35m
2 stops
Air France Logo
7:00 am - 7:35 pm
PUS
-
BOS
49h 35m
2 stops
$1,931Air France
Tue, Jun 2 - Wed, Jul 15
Korean Air Logo
8:59 pm - 10:50 am
BOS
-
PUS
23h 51m
2 stops
Korean Air Logo
7:00 am - 8:40 am
PUS
-
BOS
15h 40m
1 stop
$2,327Korean Air
Wed, Mar 4 - Sun, Mar 8

Cathay Pacific flights from Boston to South Korea

Our best Cathay Pacific deals on Boston to South Korea flight tickets
Cathay Pacific
Feb 17
BOS12:30 amBoston Logan Intl
30h 55m
1 stop
ICN9:25 pmIncheon Intl
Feb 25
ICN3:00 pmIncheon Intl
21h 00m
1 stop
BOS10:00 pmBoston Logan Intl
$1,007
Cathay Pacific
Feb 17
BOS12:30 amBoston Logan Intl
30h 55m
1 stop
ICN9:25 pmIncheon Intl
Mar 4
ICN10:00 amIncheon Intl
26h 00m
1 stop
BOS10:00 pmBoston Logan Intl
$1,010
Cathay Pacific
Jan 28
BOS12:30 amBoston Logan Intl
23h 25m
1 stop
ICN1:55 pmIncheon Intl
Feb 11
ICN3:00 pmIncheon Intl
21h 00m
1 stop
BOS10:00 pmBoston Logan Intl
$1,016

Delta flights from Boston to South Korea

Our best Delta deals on Boston to South Korea flight tickets
Delta
Jun 2
BOS7:05 amBoston Logan Intl
23h 30m
2 stops
PUS7:35 pmBusan Gimhae
Jul 15
PUS7:00 amBusan Gimhae
16h 20m
1 stop
BOS10:20 amBoston Logan Intl
$2,343
Delta
Jan 23
BOS11:00 amBoston Logan Intl
31h 10m
1 stop
PUS8:10 amBusan Gimhae
Feb 2
PUS7:00 amBusan Gimhae
15h 40m
1 stop
BOS8:40 amBoston Logan Intl
$2,918
Delta
Jan 23
BOS7:30 amBoston Logan Intl
22h 05m
2 stops
PUS7:35 pmBusan Gimhae
Feb 2
PUS12:00 pmBusan Gimhae
34h 40m
1 stop
BOS8:40 amBoston Logan Intl
$6,096

momondo Fare Finder

 
Customize your flight search to find flights from Boston to South Korea 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 January 22, 2026.
Use the filters below to find and compare flights from Boston to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 4/10

6:40 pm-8:05 pm

2 stops36h 25m

Incheon Intl

Mon 4/20

9:00 am-9:27 pm

2 stops25h 27m

$847

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 4/22

6:40 pm-1:50 pm

2 stops30h 10m

Incheon Intl

Fri 5/8

9:00 am-9:27 pm

2 stops25h 27m

$854

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Sun 4/5

6:40 pm-2:10 pm

2 stops30h 30m

Seoul Gimpo Intl

Sun 4/19

8:35 am-4:40 pm

1 stop21h 05m

$858

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 4/5

6:40 pm-6:30 pm

2 stops34h 50m

Incheon Intl

Sun 4/19

8:20 am-4:40 pm

1 stop21h 20m

$858

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 2/1

6:40 pm-1:45 pm

2 stops29h 05m

Incheon Intl

Tue 2/24

8:10 pm-10:37 pm

1 stop16h 27m

$864

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Tue 3/3

12:30 am-1:20 pm

1 stop22h 50m

Busan Gimhae

Sun 3/8

2:05 pm-10:00 pm

1 stop21h 55m

$1,458

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Sun 3/22

2:15 pm-6:45 am

3 stops51h 30m

Busan Gimhae

Mon 4/6

8:15 am-10:05 pm

3 stops50h 50m

$1,707

BostonJeju City

BOS - CJU

BOSCJU

Boston Logan Intl

Sun 5/31

1:45 am-6:20 am

1 stop39h 35m

Jeju City

Wed 6/17

7:30 am-11:05 pm

1 stop28h 35m

$1,789

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Tue 6/2

9:45 pm-6:20 pm

2 stops31h 35m

Busan Gimhae

Wed 7/15

7:00 am-7:35 pm

2 stops49h 35m

$1,931

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Wed 3/4

8:59 pm-10:50 am

2 stops23h 51m

Busan Gimhae

Sun 3/8

7:00 am-8:40 am

1 stop15h 40m

$2,327

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to South Korea from

How to get the cheapest flight ticket from Boston to South Korea

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 is the cheapest month to fly to South Korea?

If you aren’t able to travel to South Korea during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,073.

What is the cheapest day to depart on your flight to South Korea?

On average, the least expensive day to fly to South Korea from Boston is on a Monday. momondo users have found tickets for Monday departures for as low as $1,008. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boston to South Korea for around $1,214.

What is the cheapest time of day to depart on your flight to South Korea?

Flying to South Korea from Boston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,091 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,496 on average. Flights to South Korea from Boston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Boston Logan Intl to South Korea flight route?

Fly from Boston Logan Intl to Incheon Intl for the best Boston Logan Intl - South Korea flight prices

How far in advance should I book a flight to South Korea?

You are more likely to see cheaper flights to South Korea from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,498 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from Boston for as low as $1,183 on momondo.

What cabin class options are available on Boston Logan Intl to South Korea flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to South Korea flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to South Korea flights?

You could potentially save up to 11% on your flight if you consider stops on a Boston to South Korea flight.

Cheap Boston to South Korea flight deals and tips

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

Best Price Found

$461

Fastest flight time

15h 30m

Direct flights

Every day

Airports in South Korea

24 airports
The best one-way flight to South Korea from Boston in the past 72 hours is $461. The best round-trip flight deal from Boston to South Korea found on momondo in the last 72 hours is $802.
The fastest flight from Boston to South Korea takes 15h 30m
Direct flights go from Boston to South Korea every day.
There are 24 airports in South Korea. From Boston there are direct flights to Incheon Intl (ICN).
  • When did momondo last update prices for flights from Boston Logan Intl Airport to South Korea?

    Prices for flights from Boston Logan Intl Airport to South Korea are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to South Korea?

  • How old do you have to be to fly from Boston Logan Intl Airport to South Korea?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to South Korea.

  • What documentation or ID do you need to fly to South Korea?

    The necessary travel and health documents for your South Korea 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.

  • What is the most popular plane model from Boston to South Korea?

Best airlines flying from Boston to South Korea

Compare and see reviews for airlines that fly from Boston to South Korea with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $357Free CancellationRating
7.9
8,088 reviews
Search Delta flights
Cathay PacificPriceFrom $767Free CancellationRating
7.6
1,141 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $823Free CancellationRating
7.3
4,200 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $870Free CancellationRating
7.1
10,648 reviews
Search Air Canada flights
United AirlinesPriceFrom $872Free CancellationRating
7.4
9,192 reviews
Search United Airlines flights
American AirlinesPriceFrom $872Free CancellationRating
7.2
11,177 reviews
Search American Airlines flights
Korean AirPriceFrom $1,528Free CancellationRating
8.4
1,187 reviews
Search Korean Air flights

Why use momondo?

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

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

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

Flights from Boston to South Korea with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston to South Korea?

Once you have performed a search for Boston to South Korea flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to South Korea from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your South Korea trip

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1 adult
Sat 2/21
Sat 2/28

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