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$417+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
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 July 25, 2026.

This oojo deal was found by Cheapflights users on 7/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:55 pm
BOS
-
ICN
1 stop24h 55m
Multiple Airlines
Fri 11/138:20 am
ICN
-
BOS
1 stop26h 40m
Multiple Airlines
Deal found 7/23$932
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:30 pm
BOS
-
ICN
1 stop35h 15m
Multiple Airlines
Sat 9/126:00 pm
ICN
-
BOS
2 stops31h 05m
Multiple Airlines
Deal found 7/23$941
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:30 pm
BOS
-
ICN
1 stop35h 15m
Multiple Airlines
Fri 9/117:15 pm
ICN
-
BOS
2 stops29h 50m
Multiple Airlines
Deal found 7/22$944
This Mytrip deal was found by Cheapflights users on 7/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:25 am
BOS
-
ICN
1 stop22h 20m
Multiple Airlines
Sun 9/138:45 pm
ICN
-
BOS
2 stops26h 05m
Multiple Airlines
Deal found 7/25$968
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Tue 8/186:30 pm
BOS
-
ICN
1 stop35h 15m
Multiple Airlines
Mon 8/317:15 pm
ICN
-
BOS
2 stops29h 32m
Multiple Airlines
Deal found 7/21$977
This WestJet deal was found by Cheapflights users on 7/24. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:30 pm
BOS
-
ICN
1 stop35h 15m
WestJet
Thu 10/228:45 pm
ICN
-
BOS
1 stop33h 55m
WestJet
Deal found 7/24$978
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Mon 8/177:25 am
BOS
-
ICN
1 stop22h 20m
Multiple Airlines
Mon 8/317:15 pm
ICN
-
BOS
2 stops29h 32m
Multiple Airlines
Deal found 7/21$983
This Trip.com deal was found by Cheapflights users on 7/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:30 pm
BOS
-
ICN
1 stop35h 15m
Multiple Airlines
Wed 10/2812:50 pm
ICN
-
BOS
1 stop22h 10m
Multiple Airlines
Deal found 7/23$1,001
This Trip.com deal was found by Cheapflights users on 7/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:55 pm
BOS
-
GMP
1 stop25h 15m
Multiple Airlines
Fri 11/278:35 am
GMP
-
BOS
1 stop26h 25m
Multiple Airlines
Deal found 7/23$1,011
This Jetabroad deal was found by Cheapflights users on 7/23. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:55 pm
BOS
-
GMP
1 stop25h 15m
Multiple Airlines
Sun 11/228:35 am
GMP
-
BOS
1 stop26h 25m
Multiple Airlines
Deal found 7/23$1,044
This Jetabroad deal was found by Cheapflights users on 7/25. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:55 pm
BOS
-
GMP
1 stop25h 15m
Multiple Airlines
Sun 11/158:35 am
GMP
-
BOS
1 stop26h 25m
Multiple Airlines
Deal found 7/25$1,050
This Jetabroad deal was found by Cheapflights users on 7/24. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:55 pm
BOS
-
GMP
1 stop25h 15m
Multiple Airlines
Wed 11/118:35 am
GMP
-
BOS
1 stop26h 25m
Multiple Airlines
Deal found 7/24$1,054

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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$932
(oojo)

One-way from

$417
(Super.com)

Popular in

June

Cheapest in

February

Average price

$1,556

Good round-trip deal

$1,085 or less

Good one-way deal

$627 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. 9% potential increase in price ($148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 25, 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

Cheapest round-trip

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 8/18

11:34 am-4:20 am

1 stop27h 46m

Incheon Intl

Mon 8/24

4:50 pm-6:02 am

1 stop26h 12m

$1,334

BostonJeju City

BOS - CJU

BOSCJU

Boston Logan Intl

Thu 9/10

6:20 am-12:30 pm

2 stops41h 10m

Jeju City

Mon 9/14

7:10 pm-7:08 pm

2 stops36h 58m

$1,340

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Tue 11/3

6:15 am-11:35 am

2 stops39h 20m

Busan Gimhae

Mon 11/16

5:50 pm-6:27 pm

2 stops38h 37m

$1,340

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Sun 1/17

7:35 pm-10:55 am

2 stops25h 20m

Seoul Gimpo Intl

Mon 1/25

12:05 pm-2:16 pm

2 stops40h 11m

$1,355

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Sat 8/22

6:26 pm-10:40 am

2 stops27h 14m

Seoul Gimpo Intl

Tue 9/1

12:05 pm-5:34 pm

2 stops42h 29m

$1,355

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 10/18

6:00 am-3:20 pm

1 stop20h 20m

Incheon Intl

Thu 10/22

11:30 am-11:59 pm

2 stops25h 29m

$1,384

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 9/2

6:13 pm-4:20 am

1 stop21h 07m

Incheon Intl

Sun 9/6

11:30 am-11:59 pm

2 stops25h 29m

$1,384

BostonBusan

BOS - PUS

BOSPUS

Boston Logan Intl

Sun 8/30

7:09 pm-11:15 am

2 stops27h 06m

Busan Gimhae

Mon 9/7

10:30 am-8:26 am

2 stops34h 56m

$1,400

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Thu 9/17

7:12 am-10:40 am

2 stops38h 28m

Seoul Gimpo Intl

Tue 9/29

8:00 am-6:10 pm

1 stop23h 10m

$1,402

BostonSeoul

BOS - GMP

BOSGMP

Boston Logan Intl

Wed 9/16

7:12 am-10:40 am

2 stops38h 28m

Seoul Gimpo Intl

Fri 9/25

7:15 pm-11:54 pm

2 stops41h 39m

$1,412

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 52 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Boston to South Korea (average of $1,105). Flying from Boston to South Korea in December is currently the most expensive (average of $2,127). 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 July 25, 2026.

When flying from Boston to South Korea, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 25, 2026.

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 29% of weekly flights between Boston and South Korea have experienced delays in the past year, with the average delay time being 101 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?

Saturday 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 29% of flights being delayed.

How far ahead should I book a flight from Boston to South Korea?

The price you pay for your flight from Boston to South Korea may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 July 25, 2026.
See what other customers who have flown with Korean Air,Delta, andCathay 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
1,221 reviews

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

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
1,221 reviews
Korean Air
8.4
Very good
1,221 reviews

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

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
7.8
Good
8,486 reviews
Korean Air
8.4
Very good
1,221 reviews

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

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
1,430 reviews
Korean Air
8.4
Very good
1,221 reviews

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

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.
American Airlines
7.1
Good
11,845 reviews
Korean Air
8.4
Very good
1,221 reviews

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

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
11,384 reviews
Korean Air
8.4
Very good
1,221 reviews

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

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 long is the flight from Boston to South Korea?

    Departing from Boston to South Korea will take you 25h 20m. The distance between Boston and South Korea is about 6797 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?

    $54 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $87 and $88, 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 $534. On average you can expect to pay $2,540. The most popular route, (Boston Logan Intl - Incheon Intl), can usually be booked for $932.

  • 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, February is the cheapest month in which you can book a flight from Boston to South Korea (average of $1,105). Flying from Boston to South Korea in December is currently the most expensive (average of $2,127). 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 8 airlines flying from Boston to South Korea

Discover the top 8 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$767Average$1,343FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$806Average$1,465FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$843Average$990FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$872Average$1,266FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$977Average$1,518FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$1,383Average$1,963FlexibilityNo cancel feeOn-time76%
DeltaCheapest$1,592Average$2,331FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,594Average$1,962FlexibilityNo cancel feeOn-time81%

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