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$428+ Cheap flights from Seoul (SEL) 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BOS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Boston Logan Intl are usually found in October or February, booked 37 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Seoul to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$565
(American Airlines)

One-way from

$428
(OneTravel)

Popular in

January

Cheapest in

October

Average price

$1,601

Good round-trip deal

$1,487 or less

Good one-way deal

$884 or less
From Seoul (SEL) to Boston Logan Intl
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One-way flight from Seoul (SEL) to Boston Logan Intl
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Highest demand for flights based on searches. 4% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Seoul (SEL) to Boston Logan Intl.
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Price to beat on a one-way flight from Seoul (SEL) to Boston Logan Intl.
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Find flight deals from Seoul to Boston

Cheapest flights from Seoul to Boston
Explore the most affordable flight options available from Seoul to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 9/125:25 pmICN - BOS
1 stop19h 17mAmerican Airlines
Fri 9/196:00 amBOS - ICN
1 stop20h 30mAmerican Airlines
Deal found 8/13$565
This Tourvis deal was found by Cheapflights users on 8/14. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/128:35 pmICN - BOS
1 stop24h 18mHawaiian Airlines
Thu 10/237:20 amBOS - ICN
1 stop22h 15mHawaiian Airlines
Deal found 8/14$571
This lol.travel deal was found by Cheapflights users on 8/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/114:50 pmICN - BOS
1 stop28h 26mUnited Airlines
Wed 9/248:15 amBOS - ICN
1 stop41h 45mUnited Airlines
Deal found 8/14$572
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Fri 9/196:00 pmICN - BOS
1 stop16h 25mAir Canada
Thu 9/2510:20 amBOS - ICN
1 stop16h 55mAir Canada
Deal found 8/13$573
This Gotogate deal was found by Cheapflights users on 8/14. 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.
Wed 9/176:00 pmICN - BOS
1 stop16h 25mAir Canada
Tue 9/2310:20 amBOS - ICN
1 stop16h 55mAir Canada
Deal found 8/14$575
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Wed 9/176:00 pmICN - BOS
1 stop28h 30mAir Canada
Wed 9/243:15 pmBOS - ICN
1 stop36h 00mAir Canada
Deal found 8/13$578
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 9/115:25 pmICN - BOS
2 stops27h 14mAmerican Airlines
Wed 9/246:36 pmBOS - ICN
1 stop31h 54mAmerican Airlines
Deal found 8/14$579
This American Airlines deal was found by Cheapflights users on 8/14. 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 10/135:45 pmICN - BOS
2 stops31h 18mAmerican Airlines
Fri 10/241:02 pmBOS - ICN
2 stops37h 53mAmerican Airlines
Deal found 8/14$580
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Wed 9/176:00 pmICN - BOS
1 stop16h 25mAir Canada
Mon 9/226:30 pmBOS - ICN
1 stop32h 45mAir Canada
Deal found 8/13$581
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:00 pmICN - BOS
1 stop28h 30mAir Canada
Wed 9/243:15 pmBOS - ICN
1 stop36h 00mAir Canada
Deal found 8/13$584
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 9/117:55 amGMP - BOS
2 stops22h 12mMultiple Airlines
Wed 9/248:05 amBOS - GMP
2 stops24h 45mMultiple Airlines
Deal found 8/14$935
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 9/167:55 amGMP - BOS
2 stops22h 12mMultiple Airlines
Sun 9/288:05 amBOS - GMP
2 stops24h 45mMultiple Airlines
Deal found 8/13$1,167

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul 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 August 14, 2025.
Use the filters below to find and compare flights from Seoul to Boston that are best for you.

Fly from

Seoul

Fly to

Boston

Route

Depart

Return

Price

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sun 11/2

8:35 pm-12:20 am

1 stop17h 45m

Boston Logan Intl

Thu 11/6

7:00 am-6:35 pm

1 stop21h 35m

$586

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Mon 11/3

9:25 pm-6:00 am

1 stop22h 35m

Boston Logan Intl

Sat 11/8

9:00 am-6:35 pm

1 stop19h 35m

$586

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Wed 11/5

9:25 pm-6:00 am

1 stop22h 35m

Boston Logan Intl

Sat 11/8

7:00 am-6:35 pm

1 stop21h 35m

$586

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Mon 10/27

8:35 pm-7:29 am

1 stop23h 54m

Boston Logan Intl

Thu 10/30

7:00 am-6:35 pm

1 stop22h 35m

$587

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Wed 10/22

9:25 pm-6:00 am

1 stop21h 35m

Boston Logan Intl

Fri 10/24

7:20 am-6:35 pm

1 stop22h 15m

$587

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Wed 11/12

9:25 pm-6:00 am

1 stop22h 35m

Boston Logan Intl

Wed 11/26

9:05 am-6:35 pm

1 stop19h 30m

$587

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sun 9/14

9:25 pm-6:00 am

1 stop21h 35m

Boston Logan Intl

Fri 9/26

6:55 pm-6:35 pm

1 stop34h 40m

$587

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 11/13

8:35 pm-5:23 pm

1 stop34h 48m

Boston Logan Intl

Wed 11/19

6:23 pm-6:35 pm

1 stop34h 12m

$587

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sat 9/13

9:25 pm-6:00 am

1 stop21h 35m

Boston Logan Intl

Fri 9/19

7:20 am-6:35 pm

1 stop22h 15m

$587

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sat 11/15

9:25 pm-6:00 am

1 stop22h 35m

Boston Logan Intl

Sat 12/6

7:35 pm-6:35 pm

1 stop33h 00m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 37 results
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The best insider tips for Seoul to Boston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seoul to Boston trip
Airports
ICN

Plan for extra time at ICN as security lines can take up to 20 minutes, especially during busy periods.

Read more about ICNby Gabriel Leigh
BOS

Use the MBTA Silver Line for free transit from BOS to downtown Boston, connecting all terminals to South Station.

Read more about BOSby Paul Rubio
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Best time to book a flight from Seoul to Boston

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Boston. Price data was last updated on August 8, 2025.

Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Seoul to Boston (average of $218). Flying from Seoul to Boston in July is currently the most expensive (average of $311). 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 SEL to BOS?

Find hourly flight availability from Seoul 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 August 14, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 41% on flights from Seoul to Boston by exploring options for tickets at noon.

Weekly flight availability from Seoul to Boston

Explore weekly flight availability from Seoul 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 August 14, 2025.

The most flights from SEL 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 much does it cost to fly round-trip from Seoul to Boston?

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 August 14, 2025.
Read through reviews of airlines operating flights from Seoul to Boston, such as Korean Air, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,131 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

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
1,131 reviews
Korean Air
8.4
Very good
1,131 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

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!!
Delta
8.0
Very good
7,980 reviews
Korean Air
8.4
Very good
1,131 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

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
8,916 reviews
Korean Air
8.4
Very good
1,131 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

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
9,949 reviews
Korean Air
8.4
Very good
1,131 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

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 Seoul 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 Seoul?

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Seoul. On average, Logan Intl has 2 inbound flights from Seoul per day from 4 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • What are the cheapest airlines flying from Seoul to Boston round-trip?

    Currently priced at $646, United Airlines will fly you from Seoul to Boston and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Korean Air - these airlines can fly you to your destination from $646 and $1,290, respectively. United Airlines is priced at 47% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Seoul to Boston?

    Looking at all options, your cheapest flight can be booked for $516. While the most popular route (Incheon Intl - Boston Logan Intl) can be booked for $567 on average our data indicates $1,714 when flying from Seoul to Boston.

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

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

  • How can I find direct flights from Seoul to Boston?

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

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

    Yes. Cheapflights offers flight deals from Seoul 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 Seoul to Boston?

    Currently, January is the cheapest month in which you can book a flight from Seoul to Boston (average of $218). Flying from Seoul to Boston in July is currently the most expensive (average of $311). 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
Cambridge
Medford
Watertown
Hampton Beach
Waltham
Seabrook
Lowell
Lincoln
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Chelsea
Swansea
Saugus
Burlington
Braintree

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seoul to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Boston flights
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Incheon Intl to Albany flights
Jeju City to Boston flights

Top 4 airlines flying from Seoul to Boston

Discover the top 4 airlines that operate flights from Seoul 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$646Average$798FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$646Average$1,002FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,290Average$1,514FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,476Average$1,578FlexibilityNo cancel feeOn-timeN/A

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