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$468+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BOS
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Find cheap flights from Seoul to Boston with Cheapflights

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Cheapflights Tip: The best prices from Seoul to Boston Logan Intl are usually found in November or December, booked 20 days in advance, depart on a Tuesday or Saturday and return on a Monday

Cheap 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 March 13, 2026.

This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 pm
ICN
-
BOS
1 stop26h 18m
United Airlines
Sun 11/296:00 am
BOS
-
ICN
1 stop20h 25m
United Airlines
Deal found 3/12$700
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:15 pm
ICN
-
BOS
2 stops19h 39m
United Airlines
Thu 11/2611:30 am
BOS
-
ICN
2 stops28h 10m
United Airlines
Deal found 3/12$704
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:15 pm
ICN
-
BOS
1 stop17h 42m
United Airlines
Wed 10/215:30 am
BOS
-
ICN
1 stop20h 30m
United Airlines
Deal found 3/9$712
This YBTour deal was found by Cheapflights users on 3/11. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:35 pm
ICN
-
BOS
1 stop32h 58m
Alaska Airlines
Wed 5/64:33 pm
BOS
-
ICN
1 stop35h 57m
Alaska Airlines
Deal found 3/11$713
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:50 pm
ICN
-
BOS
2 stops31h 26m
United Airlines
Mon 9/147:35 am
BOS
-
ICN
1 stop18h 45m
United Airlines
Deal found 3/8$717
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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.
Fri 5/17:35 pm
ICN
-
BOS
1 stop41h 24m
Alaska Airlines
Thu 5/77:00 am
BOS
-
ICN
1 stop21h 30m
Alaska Airlines
Deal found 3/10$732
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:00 pm
ICN
-
BOS
1 stop20h 49m
United Airlines
Wed 9/165:45 am
BOS
-
ICN
2 stops33h 35m
United Airlines
Deal found 3/12$772
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:30 am
ICN
-
BOS
1 stop31h 51m
United Airlines
Wed 4/226:01 pm
BOS
-
ICN
1 stop31h 59m
United Airlines
Deal found 3/8$782
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:50 pm
ICN
-
BOS
1 stop26h 31m
United Airlines
Sat 4/256:01 pm
BOS
-
ICN
1 stop21h 19m
United Airlines
Deal found 3/9$816
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:30 am
ICN
-
BOS
2 stops25h 29m
United Airlines
Wed 4/2910:05 am
BOS
-
ICN
2 stops29h 15m
United Airlines
Deal found 3/8$821
This Trip.com deal was found by Cheapflights users on 3/8. 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 11/258:35 am
GMP
-
BOS
1 stop21h 45m
Multiple Airlines
Sun 11/296:40 pm
BOS
-
GMP
2 stops29h 30m
Multiple Airlines
Deal found 3/8$902
This Japan Airlines deal was found by Cheapflights users on 3/9. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:00 am
GMP
-
BOS
2 stops45h 22m
Japan Airlines
Thu 11/57:35 am
BOS
-
GMP
2 stops44h 45m
Japan Airlines
Deal found 3/9$1,345

Find 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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$713
(YBTour)

One-way from

$468
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,353

Good round-trip deal

$1,327 or less

Good one-way deal

$1,050 or less
Provider with most accurate pricing for Seoul (SEL)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-Boston Logan Intl flights.
Search Deals
From Seoul (SEL) to Boston Logan Intl
Search Deals
One-way flight from Seoul (SEL) to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Seoul (SEL) to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Seoul (SEL) to Boston Logan Intl.
Search Deals

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 March 13, 2026.
Use the filters below to find and compare flights from Seoul to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Tue 5/26

4:50 pm-11:16 am

2 stops31h 26m

Boston Logan Intl

Mon 9/14

7:35 am-3:20 pm

1 stop18h 45m

$717

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 4/9

11:30 am-6:21 am

1 stop31h 51m

Boston Logan Intl

Wed 4/22

6:01 pm-3:00 pm

1 stop31h 59m

$782

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Tue 4/21

11:30 am-11:59 pm

2 stops25h 29m

Boston Logan Intl

Sat 4/25

6:01 pm-4:20 am

1 stop21h 19m

$816

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 4/9

11:30 am-6:21 am

1 stop31h 51m

Boston Logan Intl

Mon 4/27

9:41 am-4:20 am

2 stops29h 39m

$832

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Fri 5/29

7:35 pm-4:32 pm

1 stop33h 57m

Boston Logan Intl

Tue 6/16

7:36 pm-5:30 pm

1 stop32h 54m

$942

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Tue 4/21

11:30 am-6:21 am

1 stop31h 51m

Boston Logan Intl

Thu 10/8

5:30 am-4:20 am

1 stop33h 50m

$997

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 6/11

4:50 pm-6:21 am

1 stop26h 31m

Boston Logan Intl

Sun 6/28

8:39 pm-3:00 pm

2 stops29h 21m

$1,112

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Fri 4/17

11:30 am-1:05 am

1 stop26h 35m

Boston Logan Intl

Tue 10/6

5:30 am-4:20 am

1 stop33h 50m

$1,124

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Tue 6/9

9:30 am-10:20 am

Nonstop13h 50m

Boston Logan Intl

Tue 6/30

7:05 am-4:50 pm

1 stop20h 45m

$1,259
Quickest round-trip

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 4/9

7:00 pm-11:59 pm

1 stop17h 59m

Boston Logan Intl

Wed 4/22

12:55 pm-5:25 pm

Nonstop15h 30m

$1,265

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 46 resultsSorted by cheapest first
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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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
BudgetAirPrice Accuracy1 starTrust 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 March 6, 2026.

Booking 20 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 $352). Flying from Seoul to Boston in June is currently the most expensive (average of $962). 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 March 13, 2026.

When flying from Seoul to Boston, 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 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 March 13, 2026.

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Seoul to Boston trip
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

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

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 March 13, 2026.
Read through reviews of airlines operating flights from Seoul to Boston, such as Korean Air,United Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,202 reviews

Entertainment

8.2

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

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
1,202 reviews
Korean Air
8.4
Very good
1,202 reviews

Entertainment

8.2

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

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
9,421 reviews
Korean Air
8.4
Very good
1,202 reviews

Entertainment

8.2

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

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
10,800 reviews
Korean Air
8.4
Very good
1,202 reviews

Entertainment

8.2

Crew

8.7

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

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 19h 05m. United Airlines provides one of the quickest options available for as low as $1,418. There are 6797 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 $471, Air Canada will fly you from Seoul to Boston and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Korean Air - these airlines can fly you to your destination from $493 and $1,296, respectively. Air Canada is priced at 59% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seoul to Boston one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $412. However, be on the lookout for offers from Air Canada and American Airlines, as they are both options that can get you from Seoul to Boston for a low price.

  • What are the cheapest flights from Seoul to Boston?

    Looking at all options, your cheapest flight can be booked for $776. While the most popular route (Incheon Intl - Boston Logan Intl) can be booked for $834 on average, our data indicates $1,285 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 $352). Flying from Seoul to Boston in June is currently the most expensive (average of $962). 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
Medford
Cambridge
Concord
Hampton Beach
Watertown
Seekonk
Brockton
Seabrook
Cranston
Chelsea
Smithfield
Lincoln
Warwick
Peabody
Waltham
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy

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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
Busan to Boston flights

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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$471Average$728FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$493Average$771FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,296Average$1,676FlexibilityNo cancel feeOn-time81%

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