HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$594+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BOS
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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 November or December, booked 28 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

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 June 9, 2026.

This WhyPayMore deal was found by Cheapflights users on 6/7. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:55 pm
ICN
-
BOS
2 stops29h 02m
Air Canada
Tue 11/2410:20 am
BOS
-
ICN
2 stops40h 50m
Air Canada
Deal found 6/7$1,170
This WhyPayMore deal was found by Cheapflights users on 6/8. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:55 pm
ICN
-
BOS
2 stops37h 47m
Air Canada
Tue 1/53:20 pm
BOS
-
ICN
2 stops35h 50m
Air Canada
Deal found 6/8$1,176
This WhyPayMore deal was found by Cheapflights users on 6/6. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:45 pm
ICN
-
BOS
2 stops37h 19m
Air Canada
Tue 10/66:50 pm
BOS
-
ICN
2 stops32h 15m
Air Canada
Deal found 6/6$1,177
This WhyPayMore deal was found by Cheapflights users on 6/5. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:45 pm
ICN
-
BOS
2 stops29h 10m
Air Canada
Wed 11/2510:20 am
BOS
-
ICN
2 stops40h 50m
Air Canada
Deal found 6/5$1,190
This Gotogate deal was found by Cheapflights users on 6/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:45 pm
ICN
-
BOS
1 stop38h 35m
WestJet
Mon 8/247:25 am
BOS
-
ICN
1 stop22h 20m
WestJet
Deal found 6/8$1,199
This Justfly.com deal was found by Cheapflights users on 6/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:20 am
ICN
-
BOS
1 stop21h 20m
Multiple Airlines
Wed 10/146:40 pm
BOS
-
ICN
2 stops30h 00m
Multiple Airlines
Deal found 6/8$1,208
This Air Canada deal was found by Cheapflights users on 6/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:45 pm
ICN
-
BOS
2 stops29h 05m
Air Canada
Tue 9/295:50 am
BOS
-
ICN
2 stops21h 15m
Air Canada
Deal found 6/8$1,211
This WhyPayMore deal was found by Cheapflights users on 6/6. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:00 am
GMP
-
BOS
2 stops23h 48m
Japan Airlines
Mon 6/156:30 am
BOS
-
GMP
2 stops25h 45m
Japan Airlines
Deal found 6/6$1,403
This Trip.com deal was found by Cheapflights users on 6/8. 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.
Fri 11/208:35 am
GMP
-
BOS
1 stop21h 45m
Multiple Airlines
Tue 1/512:15 pm
BOS
-
GMP
1 stop32h 40m
Multiple Airlines
Deal found 6/8$1,423
This oojo deal was found by Cheapflights users on 6/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:00 am
GMP
-
BOS
2 stops27h 59m
Japan Airlines
Tue 7/147:00 am
BOS
-
GMP
2 stops25h 15m
Japan Airlines
Deal found 6/8$1,457
This oojo deal was found by Cheapflights users on 6/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:00 am
GMP
-
BOS
2 stops28h 01m
Japan Airlines
Sun 7/126:00 pm
BOS
-
GMP
2 stops38h 15m
Japan Airlines
Deal found 6/8$1,463
This oojo deal was found by Cheapflights users on 6/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:00 am
GMP
-
BOS
1 stop23h 15m
Japan Airlines
Tue 6/236:30 am
BOS
-
GMP
2 stops25h 45m
Japan Airlines
Deal found 6/8$1,465

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 June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,170
(WhyPayMore)

One-way from

$594
(SmartFares)

Popular in

April

Cheapest in

November

Average price

$1,274

Good one-way deal

$1,362 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. 23% potential increase in price ($388 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 June 9, 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 7/7

11:30 am-1:11 am

1 stop26h 41m

Boston Logan Intl

Tue 7/14

9:32 am-4:20 am

2 stops29h 48m

$1,266

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Mon 8/31

11:30 am-6:02 am

1 stop31h 32m

Boston Logan Intl

Mon 9/14

9:33 am-4:20 am

2 stops29h 47m

$1,291

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Tue 6/23

11:55 pm-2:10 pm

1 stop27h 15m

Boston Logan Intl

Tue 6/30

11:05 pm-5:00 pm

1 stop28h 55m

$1,297

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 6/25

11:55 pm-2:10 pm

1 stop27h 15m

Boston Logan Intl

Sun 7/12

11:05 pm-5:00 pm

1 stop28h 55m

$1,333

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 7/23

11:55 pm-2:10 pm

1 stop27h 15m

Boston Logan Intl

Sat 8/8

11:05 pm-5:00 pm

1 stop28h 55m

$1,387

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Thu 8/6

11:55 pm-2:10 pm

1 stop27h 15m

Boston Logan Intl

Mon 8/10

11:05 pm-5:00 pm

1 stop28h 55m

$1,418

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sun 8/9

11:55 pm-2:10 pm

1 stop27h 15m

Boston Logan Intl

Fri 8/14

11:05 pm-5:00 pm

1 stop28h 55m

$1,423

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Sat 7/18

11:55 pm-2:10 pm

1 stop27h 15m

Boston Logan Intl

Sat 8/22

11:05 pm-5:00 pm

1 stop28h 55m

$1,429

SeoulBoston

GMP - BOS

GMPBOS

Seoul Gimpo Intl

Tue 7/7

8:00 am-10:59 pm

2 stops27h 59m

Boston Logan Intl

Tue 7/14

7:00 am-9:15 pm

2 stops25h 15m

$1,457
Quickest round-trip

IncheonBoston

ICN - BOS

ICNBOS

Incheon Intl

Mon 10/12

9:30 am-10:10 am

Nonstop13h 40m

Boston Logan Intl

Wed 11/25

8:45 pm-5:45 pm

1 stop31h 00m

$1,493

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 37 resultsSorted by cheapest first
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 June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
BudgetAirPrice Accuracy2 starsTrust Score*3 stars
ExpediaPrice 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

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 $336). Flying from Seoul to Boston in June is currently the most expensive (average of $632). 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 June 9, 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 June 9, 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).

How much does it cost to fly round-trip from Seoul to Boston?

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

Booking 45 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.

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 June 9, 2026.
Read through reviews of airlines operating flights from Seoul to Boston, such as Korean Air,Delta, 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
1,218 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

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
1,218 reviews
Korean Air
8.4
Very good
1,218 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

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
7.9
Good
8,395 reviews
Korean Air
8.4
Very good
1,218 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

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
11,147 reviews
Korean Air
8.4
Very good
1,218 reviews

Overall

8.4

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

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 27h 59m. Air Canada provides one of the quickest options available for as low as $1,457. 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 Delta and Korean Air - these airlines can fly you to your destination from $1,054 and $1,297, respectively. Air Canada is priced at 62% 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 Air Canada, with whom users have recently found tickets for as low as $446. However, be on the lookout for offers from American Airlines and United 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 $1,352. While the most popular route (Incheon Intl - Boston Logan Intl) can be booked for $1,208 on average, our data indicates $1,362 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 $336). Flying from Seoul to Boston in June is currently the most expensive (average of $632). 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
Waltham
Cambridge
Concord
Hampton Beach
Brockton
Watertown
Seekonk
Cranston
Warwick
Peabody
Auburn
York Beach
Chelsea
Londonderry
Swansea
Old Orchard Beach
Lowell
Smithfield
Braintree
Sandwich

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.
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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$471Average$495FlexibilityNo cancel feeOn-time67%
DeltaCheapest$1,054Average$1,734FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,297Average$1,658FlexibilityNo 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.
Site
©2026 Cheapflights