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$446+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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Cheap 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 December 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/26. 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.
Tue 12/3011:02 amBOS - ICN
2 stops38h 28mMultiple Airlines
Fri 1/308:35 pmICN - BOS
1 stop17h 19mMultiple Airlines
Deal found 12/26$1,419
This Gotogate deal was found by Cheapflights users on 12/26. 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.
Mon 12/2912:30 amBOS - ICN
1 stop22h 15mCathay Pacific
Fri 1/307:35 pmICN - BOS
1 stop40h 25mCathay Pacific
Deal found 12/26$1,452
This Kiwi.com deal was found by Cheapflights users on 12/24. 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 12/267:30 amBOS - ICN
1 stop21h 05mMultiple Airlines
Thu 1/229:20 pmICN - BOS
2 stops34h 50mMultiple Airlines
Deal found 12/24$1,470
This Gotogate deal was found by Cheapflights users on 12/26. 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.
Sun 12/2812:30 amBOS - ICN
1 stop23h 25mCathay Pacific
Tue 1/2710:00 amICN - BOS
1 stop26h 00mCathay Pacific
Deal found 12/26$1,478
This Alaska Airlines deal was found by Cheapflights users on 12/25. 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 12/257:23 pmBOS - ICN
2 stops33h 12mMultiple Airlines
Sat 1/248:35 pmICN - BOS
2 stops32h 45mMultiple Airlines
Deal found 12/25$1,491
This Cathay Pacific deal was found by Cheapflights users on 12/25. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:30 amBOS - ICN
1 stop22h 15mCathay Pacific
Sat 1/241:45 pmICN - BOS
1 stop22h 15mCathay Pacific
Deal found 12/25$1,502
This Cheapflightsfares deal was found by Cheapflights users on 12/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:30 amBOS - ICN
1 stop23h 25mCathay Pacific
Thu 1/223:00 pmICN - BOS
1 stop21h 00mCathay Pacific
Deal found 12/24$1,512
This Kiwi.com deal was found by Cheapflights users on 12/26. 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.
Mon 12/296:06 pmBOS - ICN
1 stop31h 49mMultiple Airlines
Tue 1/279:20 pmICN - BOS
2 stops34h 50mMultiple Airlines
Deal found 12/26$1,519
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 12/2711:06 amBOS - ICN
2 stops38h 24mMultiple Airlines
Sat 1/178:35 pmICN - BOS
1 stop17h 19mMultiple Airlines
Deal found 12/25$1,640
This Cathay Pacific deal was found by Cheapflights users on 12/26. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:30 amBOS - ICN
1 stop30h 55mCathay Pacific
Wed 1/141:45 pmICN - BOS
1 stop22h 15mCathay Pacific
Deal found 12/26$1,661
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 12/2710:56 amBOS - ICN
2 stops38h 34mMultiple Airlines
Sat 1/248:35 pmICN - BOS
1 stop17h 19mMultiple Airlines
Deal found 12/25$1,701
This Gurufare deal was found by Cheapflights users on 12/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:58 pmBOS - GMP
2 stops36h 22mJapan Airlines
Sat 1/247:40 pmGMP - BOS
2 stops41h 16mJapan Airlines
Deal found 12/25$2,366

Find 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 December 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$833
(FlightHub)

One-way from

$405
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,862

Good round-trip deal

$833 or less

Good one-way deal

$409 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
High demand for flights, 1% potential price rise
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 December 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 December 27, 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

Sun 1/25

6:40 pm-2:10 pm

2 stops29h 30m

Seoul Gimpo Intl

Wed 2/4

8:50 am-4:20 pm

1 stop21h 30m

$888

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Wed 3/11

7:40 pm-2:10 pm

2 stops29h 30m

Seoul Gimpo Intl

Wed 3/18

8:50 am-5:20 pm

1 stop21h 30m

$888

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Fri 4/10

6:40 pm-2:10 pm

2 stops30h 30m

Seoul Gimpo Intl

Sun 4/26

8:35 am-4:40 pm

1 stop21h 05m

$920

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Mon 1/26

7:00 pm-10:55 am

2 stops25h 55m

Seoul Gimpo Intl

Fri 1/30

7:40 pm-8:58 pm

2 stops39h 18m

$979

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Tue 1/13

6:00 am-6:20 pm

2 stops22h 20m

Seoul Gimpo Intl

Wed 1/21

8:50 am-4:20 pm

1 stop21h 30m

$1,165

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 2/23

6:24 pm-10:30 am

2 stops26h 06m

Incheon Intl

Mon 3/9

7:45 pm-6:54 am

2 stops24h 09m

$1,169

BostonJeju City

BOS - CJU

BOSCJU

Boston Logan Intl

Tue 3/3

12:30 am-6:40 am

1 stop40h 10m

Jeju City

Mon 3/9

7:55 am-11:00 pm

1 stop28h 05m

$1,176

BostonJeju City

BOS - CJU

BOSCJU

Boston Logan Intl

Sat 1/17

12:30 am-7:10 pm

1 stop28h 40m

Jeju City

Thu 1/22

8:00 pm-10:00 pm

1 stop40h 00m

$1,223

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 4/16

1:40 am-9:10 pm

1 stop30h 30m

Incheon Intl

Mon 5/4

10:10 am-11:00 pm

1 stop25h 50m

$1,248

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 3/26

6:04 pm-6:35 pm

2 stops35h 31m

Incheon Intl

Sun 4/5

10:10 am-11:00 pm

1 stop25h 50m

$1,272

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 55 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 $770). Flying from Boston to South Korea in June is currently the most expensive (average of $1,316). 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 December 27, 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 December 27, 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).

How often are flights from Boston to South Korea delayed?

About 34% of weekly flights between Boston and South Korea have experienced delays in the past year, with the average delay time being 104 minutes.

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

Historically, flights departing in the early afternoon 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?

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

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

Over the last year, Korean Air have had the lowest number of delays on this route, with just 34% of flights being delayed.

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 December 27, 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
1,185 reviews

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

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
1,185 reviews
Korean Air
8.4
Very good
1,185 reviews

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

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
8,018 reviews
Korean Air
8.4
Very good
1,185 reviews

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

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
1,105 reviews
Korean Air
8.4
Very good
1,185 reviews

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

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.
United Airlines
7.4
Good
9,116 reviews
Korean Air
8.4
Very good
1,185 reviews

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

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
10,562 reviews
Korean Air
8.4
Very good
1,185 reviews

Entertainment

8.2

Overall

8.4

Food

8.1

Boarding

8.5

Crew

8.7

Comfort

8.3

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 05m. 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 Air Canada and Turkish Airlines, with prices starting from $534 and $549, 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 $392. On average you can expect to pay $2,624. The most popular route, (Boston Logan Intl - Incheon Intl), can usually be booked for $833.

  • 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 $770). Flying from Boston to South Korea in June is currently the most expensive (average of $1,316). 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 December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$357Average$2,092FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$774Average$1,006FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$823Average$958FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$869Average$1,211FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$872Average$1,430FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$872Average$936FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,527Average$2,009FlexibilityNo cancel feeOn-time81%

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