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$428+ Cheap flights from South Korea to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — BOS
Mar 26 — Apr 21
Thu 3/26
Thu 4/2
1 adult, Economy
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Cheap flight deals from South Korea to Boston

Cheapest flights from South Korea to Boston
Explore the most affordable flight options available from South Korea to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 24, 2026.

This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:45 pm
ICN
-
BOS
1 stop26h 20m
United Airlines
Wed 12/26:00 pm
BOS
-
ICN
1 stop21h 40m
United Airlines
Deal found 2/23$633
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 pm
ICN
-
BOS
1 stop20h 49m
United Airlines
Mon 3/95:50 pm
BOS
-
ICN
1 stop32h 25m
United Airlines
Deal found 2/23$634
This WhyPayMore deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:35 pm
ICN
-
BOS
1 stop34h 01m
Hawaiian Airlines
Sun 3/17:00 am
BOS
-
ICN
1 stop21h 35m
Hawaiian Airlines
Deal found 2/21$655
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/278:35 pm
ICN
-
BOS
1 stop24h 19m
Multiple Airlines
Fri 3/67:00 am
BOS
-
ICN
1 stop21h 35m
Multiple Airlines
Deal found 2/20$666
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:45 pm
ICN
-
BOS
2 stops22h 56m
United Airlines
Tue 3/1011:02 am
BOS
-
ICN
2 stops28h 38m
United Airlines
Deal found 2/23$668
This Kiwi.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:35 pm
ICN
-
BOS
1 stop17h 24m
Alaska Airlines
Sat 5/167:11 pm
BOS
-
ICN
1 stop33h 19m
Alaska Airlines
Deal found 2/21$672
This Alaska Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:35 pm
ICN
-
BOS
1 stop17h 24m
Alaska Airlines
Wed 5/69:00 am
BOS
-
ICN
1 stop19h 30m
Alaska Airlines
Deal found 2/21$674
This Alaska Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:35 pm
ICN
-
BOS
1 stop17h 24m
Alaska Airlines
Fri 5/89:00 am
BOS
-
ICN
1 stop19h 30m
Alaska Airlines
Deal found 2/20$676
This Alaska Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:35 pm
ICN
-
BOS
1 stop17h 24m
Alaska Airlines
Tue 5/56:42 pm
BOS
-
ICN
1 stop33h 48m
Alaska Airlines
Deal found 2/21$696
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:00 pm
ICN
-
BOS
2 stops30h 55m
United Airlines
Sun 3/11:50 pm
BOS
-
ICN
1 stop36h 25m
United Airlines
Deal found 2/21$702
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/712:45 pm
ICN
-
BOS
1 stop17h 59m
United Airlines
Mon 3/911:00 am
BOS
-
ICN
1 stop28h 40m
United Airlines
Deal found 2/23$703
This NaeilTour deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure NaeilTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:40 am
GMP
-
BOS
1 stop21h 40m
Multiple Airlines
Wed 4/16:40 pm
BOS
-
GMP
2 stops36h 30m
Multiple Airlines
Deal found 2/22$1,085

Find flight deals from South Korea to Boston

Keep the following information in mind while searching for South Korea to Boston flight deals. Data was last updated February 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$634
(United Airlines)

One-way from

$428
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$1,306

Good round-trip deal

$1,475 or less

Good one-way deal

$1,050 or less
Provider with most accurate pricing for Seoul (SEL)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Boston Logan Intl flights.
Search Deals
From South Korea to Boston Logan Intl
Search Deals
One-way flight from South Korea to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from South Korea to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from South Korea to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Korea to Boston 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, Cheapflights users made 2,558,603 searches. Data last updated February 24, 2026.
Use the filters below to find and compare flights from South Korea to Boston that are best for you.

Fly from

South Korea

Fly to

Boston

Route

Depart

Return

Price

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sat 3/7

12:45 pm-4:44 pm

1 stop17h 59m

Boston Logan Intl

Mon 3/9

11:00 am-4:40 am

1 stop28h 40m

$703

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Mon 3/16

5:00 pm-6:08 am

1 stop26h 08m

Boston Logan Intl

Mon 3/23

5:45 am-4:40 am

1 stop33h 55m

$779

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 4/9

4:50 pm-8:24 am

1 stop28h 34m

Boston Logan Intl

Thu 4/16

11:00 am-4:20 am

2 stops28h 20m

$782

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sat 4/18

4:50 pm-12:59 am

2 stops21h 09m

Boston Logan Intl

Sat 4/25

9:30 am-3:00 pm

2 stops40h 30m

$857

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Fri 5/8

4:50 pm-12:59 am

2 stops21h 09m

Boston Logan Intl

Thu 5/14

8:15 pm-3:00 pm

1 stop29h 45m

$937

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Tue 6/2

5:45 pm-9:45 am

2 stops29h 00m

Boston Logan Intl

Fri 6/19

5:10 am-5:30 pm

1 stop23h 20m

$954

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Wed 5/13

7:35 pm-7:41 am

1 stop25h 06m

Boston Logan Intl

Fri 5/15

7:11 pm-5:30 pm

1 stop33h 19m

$1,048

SeoulBoston

GMP - BOS

GMPBOS

Seoul Gimpo Intl

Wed 3/25

8:40 am-5:20 pm

1 stop21h 40m

Boston Logan Intl

Wed 4/1

6:40 pm-8:10 pm

2 stops36h 30m

$1,085

SeoulBoston

GMP - BOS

GMPBOS

Seoul Gimpo Intl

Fri 4/3

9:05 am-4:40 pm

1 stop20h 35m

Boston Logan Intl

Sun 4/19

6:40 pm-3:00 pm

2 stops31h 20m

$1,113

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Tue 6/2

7:55 am-10:39 pm

3 stops27h 44m

Boston Logan Intl

Fri 6/19

5:10 am-9:35 pm

3 stops27h 25m

$1,276

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Showing 1-10 of 46 results
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Best time to book a flight from South Korea to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from South Korea with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from South Korea to Boston

What is the cheapest month to book a flight from South Korea to Boston?

Currently, October is the cheapest month in which you can book a flight from South Korea to Boston (average of $352). Flying from South Korea to Boston in June is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KR to BOS?

Find hourly flight availability from South Korea to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 24, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 61% on flights from South Korea to Boston by exploring options for tickets at noon.

What is the cheapest day to fly from South Korea to Boston?

Use this chart to determine the cheapest time to fly round-trip from South Korea to Boston. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their South Korea to Boston flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from South Korea to Boston

Explore weekly flight availability from South Korea to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 24, 2026.

The most flights from KR0 to BOS are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from South Korea to Boston delayed?

About 24% of weekly flights between South Korea and Boston have experienced delays in the past year, with the average delay time being 84 minutes.

What is the most punctual flight time for South Korea to Boston flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on South Korea to Boston flights?

Over the last year, Korean Air have had the lowest number of delays on this route, with just 24% of flights being delayed.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated February 24, 2026.
See what other customers who have flown with Korean Air, United Airlines, and Air Canada from South Korea to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,195 reviews

Crew

8.7

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,195 reviews
Korean Air
8.4
Very good
1,195 reviews

Crew

8.7

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
9,344 reviews
Korean Air
8.4
Very good
1,195 reviews

Crew

8.7

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air Canada
7.1
Good
10,742 reviews
Korean Air
8.4
Very good
1,195 reviews

Crew

8.7

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from South Korea to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from South Korea?

    Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from South Korea to Boston. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.

  • How long is the flight from South Korea to Boston?

    There are many flights that can get you from South Korea to Boston in 15h 40m. Fly via United Airlines, Korean Air, or Delta to get the fastest option. The distance between South Korea and Boston is about 6928 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from South Korea to Boston one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $36. Allegiant Air flights start at $54 while deals on Frontier start at $60 one-way.

  • What are the most popular routes from South Korea to Boston?

    The most popular route from South Korea to Boston is Incheon Intl - Boston Logan Intl. You may also consider Seoul Gimpo Intl - Boston Logan Intl or Cheongju - Boston Logan Intl.

  • What are the cheapest flights from South Korea to Boston?

    While on average a flight from South Korea to Boston is generally $1,369, our data shows the cheapest flight currently is $776. When looking at the most popular route, (Incheon Intl - Boston Logan Intl), you can expect to pay $634 for that flight.

  • Can I find deals for flights from South Korea to Boston that include hotel bookings?

    Yes. In addition to deals on South Korea to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Korea to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Boston.

  • Can I find deals for business class flights from South Korea to Boston?

    Yes. Cheapflights offers flight deals from South Korea to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from South Korea to Boston?

    Currently, October is the cheapest month in which you can book a flight from South Korea to Boston (average of $352). Flying from South Korea to Boston in June is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
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Watertown
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Seabrook
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Old Orchard Beach
Quincy
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Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from South Korea to Boston

Discover the top 3 airlines that operate flights from South Korea to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$471Average$836FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$493Average$770FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,296Average$1,676FlexibilityNo cancel feeOn-time81%

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