Boston

$353+ Cheap flights from Seoul (SEL) to Boston (BOS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BOS
nov. 5 — nov. 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seoul to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seoul to Boston Logan Intl are usually found in October or February, booked 81 days in advance, depart on a Monday or Tuesday 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 octubre 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$353
(Hanatour)

Popular in

August

Cheapest in

October

Average price

$744

Good round-trip deal

$1,100 or less

Good one-way deal

$1,141 or less
Provider with most accurate pricing for Seoul (SEL)-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for Seoul (SEL)-Boston Logan Intl flights.
From Seoul (SEL) to Boston Logan Intl
Highest demand for flights based on searches. 10% potential increase in price ($137 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Seoul (SEL) to Boston Logan Intl.
Price to beat on a one-way flight from Seoul (SEL) to Boston Logan Intl.

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 octubre 6, 2025.

This Hanatour deal was found by Cheapflights users on 10/5. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/46:55 pmICN - BOS
2 stops28h 37mAir Canada
jue. 11/206:40 pmBOS - ICN
2 stops32h 30mAir Canada
Deal found 10/5$353
This Hanatour deal was found by Cheapflights users on 10/5. 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/46:55 pmICN - BOS
2 stops31h 17mAir Canada
mar. 11/113:40 pmBOS - ICN
2 stops35h 30mAir Canada
Deal found 10/5$360
This Jettzy deal was found by Cheapflights users on 10/4. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/86:00 pmICN - BOS
2 stops28h 55mAir Canada
lun. 11/33:40 pmBOS - ICN
2 stops35h 30mAir Canada
Deal found 10/4$449
This Booking.com deal was found by Cheapflights users on 10/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/205:45 pmICN - BOS
2 stops35h 14mAir Canada
dom. 11/25:15 amBOS - ICN
2 stops44h 55mAir Canada
Deal found 10/6$450
This Mytrip deal was found by Cheapflights users on 10/4. 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.
lun. 10/275:55 pmICN - BOS
2 stops52h 57mAir Canada
dom. 1/410:15 amBOS - ICN
2 stops40h 55mAir Canada
Deal found 10/4$468
This Trip.com deal was found by Cheapflights users on 10/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/58:35 amGMP - BOS
1 stop21h 45mMultiple Airlines
mié. 11/126:40 pmBOS - GMP
2 stops29h 30mMultiple Airlines
Deal found 10/6$788
This FlightHub deal was found by Cheapflights users on 10/4. 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.
mié. 11/128:35 amGMP - BOS
1 stop21h 45mMultiple Airlines
dom. 1/46:40 pmBOS - GMP
2 stops29h 30mMultiple Airlines
Deal found 10/4$907
This Trip.com deal was found by Cheapflights users on 10/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/129:05 amGMP - BOS
1 stop20h 35mMultiple Airlines
dom. 10/196:40 pmBOS - GMP
2 stops31h 20mMultiple Airlines
Deal found 10/6$1,004
This Ovago deal was found by Cheapflights users on 10/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/127:55 amGMP - BOS
1 stop23h 10mJapan Airlines
lun. 10/206:28 amBOS - GMP
2 stops22h 32mJapan Airlines
Deal found 10/5$1,276
This American Airlines deal was found by Cheapflights users on 10/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/127:55 amGMP - BOS
2 stops22h 20mMultiple Airlines
lun. 10/206:28 amBOS - GMP
2 stops26h 22mMultiple Airlines
Deal found 10/5$1,282
This Mytrip deal was found by Cheapflights users on 10/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2012:05 pmGMP - BOS
2 stops23h 34mMultiple Airlines
dom. 11/27:50 pmBOS - GMP
3 stops34h 00mMultiple Airlines
Deal found 10/6$1,287

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 octubre 6, 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

jue. 2/19

12:45 pm-12:01 am

2 stops25h 16m

Boston Logan Intl

lun. 2/23

5:50 pm-4:15 pm

1 stop32h 25m

$499

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

mar. 10/28

11:55 am-6:48 pm

2 stops19h 53m

Boston Logan Intl

mar. 11/4

7:00 am-5:40 am

2 stops32h 40m

$499

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

mié. 11/5

12:45 pm-5:56 am

2 stops31h 11m

Boston Logan Intl

mié. 11/12

9:20 am-5:40 am

2 stops30h 20m

$499

SeoulBoston

GMP - BOS

GMPBOS

Seoul Gimpo Intl

mié. 11/5

8:35 am-4:20 pm

1 stop21h 45m

Boston Logan Intl

mié. 11/12

6:40 pm-2:10 pm

2 stops29h 30m

$788

SeoulBoston

GMP - BOS

GMPBOS

Seoul Gimpo Intl

mié. 11/12

8:35 am-4:20 pm

1 stop21h 45m

Boston Logan Intl

dom. 1/4

6:40 pm-2:10 pm

2 stops29h 30m

$907

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

sáb. 2/14

8:35 pm-3:47 pm

2 stops33h 12m

Boston Logan Intl

vie. 2/20

4:50 pm-6:35 pm

2 stops59h 45m

$945

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

sáb. 1/17

8:35 pm-11:59 pm

1 stop17h 24m

Boston Logan Intl

mié. 1/21

7:00 am-6:35 pm

1 stop21h 35m

$1,014

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

mar. 11/4

7:30 pm-11:09 am

1 stop29h 39m

Boston Logan Intl

jue. 11/20

11:00 am-4:35 pm

Nonstop15h 35m

$1,028

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

mié. 11/5

7:30 pm-11:09 am

1 stop29h 39m

Boston Logan Intl

mié. 11/12

11:00 am-4:35 pm

Nonstop15h 35m

$1,028

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

mar. 10/28

7:30 pm-11:09 am

1 stop28h 39m

Boston Logan Intl

mar. 11/4

11:00 am-4:35 pm

Nonstop15h 35m

$1,028

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Showing 1-10 of 34 results
1
2
3
4

Compare providers for flights from Seoul to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to Boston in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seoul-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 3, 2025.

Booking 80 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, October is the cheapest month in which you can book a flight from Seoul to Boston (average of $464). Flying from Seoul to Boston in July is currently the most expensive (average of $923). 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 octubre 6, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 52% on flights from Seoul to Boston by exploring options for tickets in the afternoon.

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 octubre 6, 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).

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

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 octubre 6, 2025.
Read through reviews of airlines operating flights from Seoul to Boston, such as Korean Air, United Airlines, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.4

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

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!!

Overall

8.4

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

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!!

Overall

8.4

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

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!!

Overall

8.4

Food

8.1

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

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 3 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How long is the flight from Seoul to Boston?

    A quick flight from Seoul to Boston can take about 25h 16m. United Airlines provides one of the quickest options available for as low as $499. There are 6809 mi between Seoul and Boston. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $611, 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 $1,282, respectively. United Airlines is priced at 48% 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 $733. While the most popular route (Incheon Intl - Boston Logan Intl) can be booked for $499 on average, our data indicates $1,234 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, October is the cheapest month in which you can book a flight from Seoul to Boston (average of $464). Flying from Seoul to Boston in July is currently the most expensive (average of $923). 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
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Peabody
Quincy
York Beach
Warwick
Swansea
Old Orchard Beach
Brockton
Waltham
Chelsea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seoul to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Seoul to Boston

Discover the top 3 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 octubre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$611Average$771FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$646Average$949FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,282Average$1,524FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.