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$420+ Cheap flights from Boston (BOS) to South Korea

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find flight deals from Boston to South Korea

Cheapest flights from Boston to South Korea
Explore the most affordable flight options available from Boston to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This FlightHub deal was found by Cheapflights users on 11/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
Wed 12/1012:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 11/6$836
This FlightHub deal was found by Cheapflights users on 11/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
Tue 12/912:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 11/5$845
This oojo deal was found by Cheapflights users on 11/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
Wed 12/1712:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 11/5$852
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Wed 12/39:54 pmBOS - ICN
2 stops33h 41mMultiple Airlines
Sun 12/146:55 pmICN - BOS
1 stop34h 42mMultiple Airlines
Deal found 11/6$853
This FlightHub deal was found by Cheapflights users on 11/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
Mon 12/810:45 amICN - BOS
1 stop45h 20mTurkish Airlines
Deal found 11/5$882
This FlightHub deal was found by Cheapflights users on 11/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:00 pmBOS - ICN
1 stop32h 20mTurkish Airlines
Sat 12/1312:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 11/6$891
This Flighttix deal was found by Cheapflights users on 11/6. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:58 pmBOS - ICN
2 stops31h 47mBritish Airways
Mon 11/247:15 pmICN - BOS
2 stops28h 41mBritish Airways
Deal found 11/6$897
This Turkish Airlines deal was found by Cheapflights users on 11/6. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:00 pmBOS - ICN
1 stop32h 20mTurkish Airlines
Mon 12/812:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 11/6$898
This Turkish Airlines deal was found by Cheapflights users on 11/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:00 pmBOS - ICN
1 stop32h 20mTurkish Airlines
Thu 11/2012:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 11/5$901
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:20 pmBOS - ICN
2 stops31h 25mAmerican Airlines
Mon 11/247:15 pmICN - BOS
1 stop18h 07mAmerican Airlines
Deal found 11/6$906
This FlightHub deal was found by Cheapflights users on 11/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:40 pmBOS - GMP
2 stops29h 30mMultiple Airlines
Fri 12/268:50 amGMP - BOS
1 stop21h 30mMultiple Airlines
Deal found 11/6$928
This Priceline deal was found by Cheapflights users on 11/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:40 pmBOS - GMP
2 stops29h 30mMultiple Airlines
Sun 12/148:50 amGMP - BOS
1 stop21h 30mMultiple Airlines
Deal found 11/6$978

Cheap flight deals from Boston to South Korea

Keep the following information in mind while searching for Boston to South Korea flight deals. Data was last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$836
(FlightHub)

One-way from

$420
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,018

Good round-trip deal

$871 or less

Good one-way deal

$562 or less
Provider with most accurate pricing for Boston Logan Intl-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Seoul (SEL) flights.
Search Deals
From Boston Logan Intl to South Korea
Search Deals
One-way flight from Boston Logan Intl to South Korea
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($248 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to South Korea.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to South Korea.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Boston to South Korea that are best for you.

Fly from

Boston

Fly to

South Korea

Route

Depart

Return

Price

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 3/20

9:00 pm-6:20 pm

1 stop32h 20m

Incheon Intl

Fri 3/27

12:10 am-7:05 pm

1 stop31h 55m

$938

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 1/16

12:30 am-1:55 pm

1 stop23h 25m

Incheon Intl

Tue 1/20

7:35 pm-10:00 pm

1 stop40h 25m

$1,027

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 1/15

12:30 am-6:35 pm

1 stop28h 05m

Incheon Intl

Tue 1/20

7:35 pm-10:00 pm

1 stop40h 25m

$1,027

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 2/3

8:05 am-10:05 pm

2 stops24h 00m

Seoul Gimpo Intl

Tue 2/24

8:00 am-10:52 pm

2 stops28h 52m

$1,077

BostonJeju City

BOS - CJU

BOSCJU

Boston Logan Intl

Sat 2/21

12:30 am-6:40 am

1 stop40h 10m

Jeju City

Thu 2/26

7:55 am-10:00 pm

1 stop28h 05m

$1,174

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Sun 3/15

1:30 am-1:20 pm

1 stop22h 50m

Busan Gimhae

Thu 3/19

2:05 pm-11:00 pm

1 stop21h 55m

$1,194

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 2/2

4:19 pm-6:35 pm

2 stops36h 16m

Incheon Intl

Mon 2/9

3:00 pm-10:00 pm

1 stop21h 00m

$1,222

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 11/24

12:30 am-1:55 pm

1 stop23h 25m

Incheon Intl

Tue 12/2

10:00 am-11:22 pm

2 stops27h 22m

$1,227

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 2/3

3:25 pm-11:20 am

2 stops29h 55m

Incheon Intl

Tue 2/24

12:30 pm-11:57 pm

2 stops25h 27m

$1,252

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 3/20

10:42 am-12:45 pm

2 stops37h 03m

Incheon Intl

Sat 3/28

3:00 pm-11:00 pm

1 stop21h 00m

$1,287

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 60 results
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Best time to book a flight from Boston to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Boston 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 Boston to South Korea

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

Currently, November is the cheapest month in which you can book a flight from Boston to South Korea (average of $802). Flying from Boston to South Korea in June is currently the most expensive (average of $1,358). 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 BOS to KR?

Find hourly flight availability from Boston to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to South Korea in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Boston to South Korea. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Boston to South Korea

Explore weekly flight availability from Boston to South Korea. 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 November 6, 2025.

The most flights from BOS to KR0 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).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated November 6, 2025.
See what other customers who have flown with Korean Air, Delta, and Cathay Pacific from Boston to South Korea 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
1,160 reviews

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,160 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
7.9
Good
8,001 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.6
Good
1,055 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Turkish Airlines
7.3
Good
4,032 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,416 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Boston to South Korea. 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 from for flights from Boston to South Korea?

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

  • How popular is this Boston to South Korea flight route?

    The Boston Logan Intl to South Korea flight path was viewed by 242 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Departing from Boston to South Korea will take you 23h 25m. The distance between Boston and South Korea is about 6809 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $468 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Cathay Pacific and Japan Airlines, with prices starting from $521 and $546, respectively.

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

    When deciding which route to take from Boston to South Korea consider Boston Logan Intl - Incheon Intl, Boston Logan Intl - Seoul Gimpo Intl or Boston Logan Intl - Busan Gimhae as they are the most popular.

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

    The cheapest flight price from Boston to South Korea is $448. On average you can expect to pay $2,678. The most popular route, (Boston Logan Intl - Incheon Intl), can usually be booked for $836.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to South Korea 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 Boston to South Korea?

    Currently, November is the cheapest month in which you can book a flight from Boston to South Korea (average of $802). Flying from Boston to South Korea in June is currently the most expensive (average of $1,358). 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

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Top 7 airlines flying from Boston to South Korea

Discover the top 7 airlines that operate flights from Boston to South Korea. 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$397Average$1,992FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$774Average$991FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$805Average$933FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$868Average$1,224FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$872Average$1,430FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$872Average$936FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,528Average$1,998FlexibilityNo cancel feeOn-time81%

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