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$437+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
déc. 13 — déc. 201
sam. 12/13
sam. 12/20
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 novembre 13, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/11. 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.
sam. 11/157:00 amBOS - ICN
1 stop21h 35mAlaska Airlines
lun. 11/178:35 pmICN - BOS
1 stop17h 45mAlaska Airlines
Deal found 11/11$872
This FlightHub deal was found by Cheapflights users on 11/12. 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.
mar. 11/188:00 pmBOS - ICN
1 stop32h 20mTurkish Airlines
lun. 11/2410:45 amICN - BOS
1 stop45h 20mTurkish Airlines
Deal found 11/12$873
This FlightHub deal was found by Cheapflights users on 11/11. 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.
mer. 12/318:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
mer. 1/2812:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 11/11$886
This Gotogate deal was found by Cheapflights users on 11/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/188:00 pmBOS - ICN
1 stop32h 20mTurkish Airlines
mer. 12/310:45 amICN - BOS
1 stop45h 20mTurkish Airlines
Deal found 11/12$895
This Gotogate deal was found by Cheapflights users on 11/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/178:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
mer. 12/1010:45 amICN - BOS
1 stop45h 20mTurkish Airlines
Deal found 11/12$904
This Gotogate deal was found by Cheapflights users on 11/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/48:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
mer. 12/1712:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 11/11$913
This Gotogate deal was found by Cheapflights users on 11/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/248:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
mar. 12/2312:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 11/12$914
This American Airlines deal was found by Cheapflights users on 11/11. 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.
mer. 11/125:30 amBOS - ICN
1 stop21h 15mAmerican Airlines
mer. 11/197:15 pmICN - BOS
1 stop17h 47mAmerican Airlines
Deal found 11/11$916
This KAYAK deal was found by Cheapflights users on 11/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/318:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
mar. 1/2712:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 11/11$919
This KAYAK deal was found by Cheapflights users on 11/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 12/79:01 amBOS - ICN
2 stops41h 44mAmerican Airlines
jeu. 12/117:15 pmICN - BOS
2 stops26h 06mAmerican Airlines
Deal found 11/12$920
This FlightHub deal was found by Cheapflights users on 11/11. 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.
dim. 11/166:40 pmBOS - ICN
2 stops33h 55mMultiple Airlines
ven. 11/288:20 amICN - BOS
1 stop22h 00mMultiple Airlines
Deal found 11/11$928
This FlightHub deal was found by Cheapflights users on 11/11. 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.
mar. 11/188:00 pmBOS - ICN
1 stop32h 20mTurkish Airlines
lun. 12/110:45 amICN - BOS
1 stop45h 20mTurkish Airlines
Deal found 11/11$929

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 novembre 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$836
(FlightHub)

One-way from

$437
(Alaska Airlines)

Popular in

December

Cheapest in

November

Average price

$1,028

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. 4% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 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 novembre 13, 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

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

dim. 2/1

6:40 pm-2:10 pm

2 stops29h 30m

Seoul Gimpo Intl

dim. 2/8

8:50 am-4:20 pm

1 stop21h 30m

$928

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

mer. 12/31

6:40 pm-2:10 pm

2 stops29h 30m

Seoul Gimpo Intl

ven. 1/30

8:50 am-4:20 pm

1 stop21h 30m

$978

BostonJeju City

BOS - CJU

BOSCJU

Boston Logan Intl

sam. 2/21

12:30 am-6:40 am

1 stop40h 10m

Jeju City

jeu. 2/26

7:55 am-10:00 pm

1 stop28h 05m

$1,098

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

lun. 11/17

12:30 am-6:35 pm

1 stop28h 05m

Incheon Intl

mar. 12/16

3:00 pm-8:33 pm

2 stops43h 33m

$1,222

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

dim. 11/23

10:04 am-1:55 pm

2 stops37h 51m

Incheon Intl

sam. 12/20

7:35 pm-10:00 pm

1 stop40h 25m

$1,316

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

mer. 1/7

6:40 pm-2:10 pm

2 stops29h 30m

Seoul Gimpo Intl

mer. 1/21

8:50 am-4:20 pm

1 stop21h 30m

$1,369

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

mar. 2/10

12:30 am-1:20 pm

1 stop22h 50m

Busan Gimhae

mer. 2/18

7:40 am-10:00 pm

1 stop28h 20m

$1,378

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

mar. 12/30

12:30 am-9:25 pm

1 stop30h 55m

Incheon Intl

lun. 2/2

7:35 pm-10:00 pm

1 stop40h 25m

$1,403

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

dim. 11/23

12:30 am-1:55 pm

1 stop23h 25m

Incheon Intl

sam. 12/20

1:45 pm-6:19 pm

2 stops42h 34m

$1,452

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

dim. 12/28

6:40 pm-2:10 pm

2 stops29h 30m

Seoul Gimpo Intl

ven. 1/9

8:50 am-4:20 pm

1 stop21h 30m

$1,486

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 52 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 $777). Flying from Boston to South Korea in June is currently the most expensive (average of $1,355). 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 novembre 13, 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 novembre 13, 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 novembre 13, 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
1,163 reviews

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

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
1,163 reviews
Korean Air
8.4
Very good
1,163 reviews

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

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
8,008 reviews
Korean Air
8.4
Very good
1,163 reviews

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

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
1,058 reviews
Korean Air
8.4
Very good
1,163 reviews

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

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
4,043 reviews
Korean Air
8.4
Very good
1,163 reviews

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

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
10,445 reviews
Korean Air
8.4
Very good
1,163 reviews

Overall

8.4

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

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 18h 35m. The distance between Boston and South Korea is about 6928 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?

    $437 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on American Airlines and Cathay Pacific, with prices starting from $474 and $521, 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 $777). Flying from Boston to South Korea in June is currently the most expensive (average of $1,355). 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 novembre 13, 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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