HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Incheon Intl

$418+ Cheap flights from Boston (BOS) to Incheon Intl (ICN)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Incheon Intl 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 Boston Logan Intl to Incheon Intl are usually found in September or November, booked 88 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Boston to Incheon Intl

Cheapest flights from Boston to Incheon Intl
Explore the most affordable flight options available from Boston to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.

This Justfly.com deal was found by Cheapflights users on 6/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:30 pm
BOS
-
ICN
1 stop35h 15m
WestJet
Tue 9/158:45 pm
ICN
-
BOS
1 stop33h 55m
WestJet
Deal found 6/9$955
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:40 pm
BOS
-
ICN
2 stops36h 25m
Multiple Airlines
Thu 10/293:00 pm
ICN
-
BOS
1 stop39h 20m
Multiple Airlines
Deal found 6/8$973
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:40 pm
BOS
-
ICN
2 stops30h 00m
Multiple Airlines
Tue 10/273:00 pm
ICN
-
BOS
1 stop39h 20m
Multiple Airlines
Deal found 6/6$976
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 pm
BOS
-
ICN
1 stop35h 15m
WestJet
Tue 9/158:45 pm
ICN
-
BOS
1 stop33h 55m
WestJet
Deal found 6/6$982
This WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:30 pm
BOS
-
ICN
1 stop35h 15m
WestJet
Mon 9/288:45 pm
ICN
-
BOS
1 stop33h 55m
WestJet
Deal found 6/8$998
This Justfly.com deal was found by Cheapflights users on 6/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:25 am
BOS
-
ICN
1 stop22h 20m
WestJet
Thu 10/18:45 pm
ICN
-
BOS
1 stop33h 55m
WestJet
Deal found 6/9$999
This BusinessClass 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:40 pm
BOS
-
ICN
2 stops34h 50m
Multiple Airlines
Thu 10/222:40 pm
ICN
-
BOS
1 stop39h 00m
Multiple Airlines
Deal found 6/8$1,002
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:30 pm
BOS
-
ICN
1 stop35h 15m
WestJet
Sun 9/278:45 pm
ICN
-
BOS
1 stop33h 55m
WestJet
Deal found 6/8$1,004
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 pm
BOS
-
ICN
1 stop35h 15m
WestJet
Sun 9/208:45 pm
ICN
-
BOS
1 stop33h 55m
WestJet
Deal found 6/7$1,008
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:40 pm
BOS
-
ICN
2 stops36h 25m
Multiple Airlines
Wed 9/168:20 am
ICN
-
BOS
1 stop21h 20m
Multiple Airlines
Deal found 6/8$1,021
This WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:30 pm
BOS
-
ICN
1 stop35h 15m
WestJet
Thu 10/18:45 pm
ICN
-
BOS
1 stop33h 55m
WestJet
Deal found 6/8$1,023
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:30 pm
BOS
-
ICN
1 stop35h 15m
WestJet
Tue 9/228:45 pm
ICN
-
BOS
1 stop33h 55m
WestJet
Deal found 6/7$1,024

Find flight deals from Boston to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Incheon Intl (ICN). 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 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$955
(Justfly.com)

One-way from

$418
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$1,761

Good round-trip deal

$1,146 or less

Good one-way deal

$692 or less
Provider with most accurate pricing for Boston Logan Intl-Incheon Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Incheon Intl flights.
Search Deals
From Boston Logan Intl to Incheon Intl
Search Deals
One-way flight from Boston Logan Intl to Incheon Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($88 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Incheon Intl.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Incheon Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Incheon Intl 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 10, 2026.
Use the filters below to find and compare flights from Boston to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 9/16

1:45 am-12:40 pm

1 stop21h 55m

Incheon Intl

Mon 9/21

8:00 am-11:05 pm

1 stop28h 05m

$1,269

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 10/29

1:30 am-9:25 pm

1 stop30h 55m

Incheon Intl

Wed 11/11

7:35 pm-10:00 pm

1 stop40h 25m

$1,319

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 10/23

1:45 am-6:35 pm

1 stop27h 50m

Incheon Intl

Tue 11/10

1:45 pm-10:00 pm

1 stop22h 15m

$1,319

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 10/16

1:45 am-10:25 pm

1 stop31h 40m

Incheon Intl

Fri 10/23

3:10 pm-11:05 pm

1 stop20h 55m

$1,369
Quickest round-trip

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 7/13

8:05 pm-9:55 am

2 stops24h 50m

Incheon Intl

Mon 8/10

9:30 am-7:55 pm

1 stop23h 25m

$1,643

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 11/12

6:06 pm-12:45 pm

2 stops28h 39m

Incheon Intl

Thu 11/19

3:00 pm-10:00 pm

1 stop21h 00m

$1,710

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 6/22

9:01 am-11:20 am

2 stops37h 19m

Incheon Intl

Mon 7/13

9:50 pm-11:06 pm

2 stops38h 16m

$1,751

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 6/29

9:40 pm-7:30 am

1 stop20h 50m

Incheon Intl

Mon 7/20

11:40 am-3:40 pm

2 stops41h 00m

$1,847

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 9/21

4:00 pm-3:30 pm

3 stops34h 30m

Incheon Intl

Mon 10/12

11:50 pm-11:58 pm

2 stops37h 08m

$1,921

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 8/31

4:30 pm-3:30 pm

3 stops34h 00m

Incheon Intl

Thu 9/10

11:50 pm-11:58 pm

2 stops37h 08m

$2,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Boston to Incheon Intl

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 Boston to Incheon Intl in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
BudgetAirPrice 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 Boston-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Incheon Intl Airport 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 Boston-Incheon Intl Airport 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 Boston to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl 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 Incheon Intl Airport

How far ahead should I book a flight from Boston to Incheon Intl Airport?

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Incheon Intl Airport. 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 Boston to Incheon Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Boston to Incheon Intl Airport (average of $975). Flying from Boston to Incheon Intl Airport in December is currently the most expensive (average of $2,533). 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 ICN?

Find hourly flight availability from Boston to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 10, 2026.

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

How much does it cost to fly round-trip from Boston to Incheon Intl Airport?

The best insider tips for Boston to Incheon Intl Airport 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 Boston to Incheon Intl Airport 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 Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated June 10, 2026.
Read through reviews of airlines operating flights from Boston to Incheon Intl Airport, such as Korean Air,Delta, andCathay Pacific. 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

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

Food

8.1

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

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

Food

8.1

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

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

Food

8.1

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
1,369 reviews
Korean Air
8.4
Very good
1,218 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

Food

8.1

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.
Turkish Airlines
7.4
Good
4,409 reviews
Korean Air
8.4
Very good
1,218 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

Food

8.1

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
11,154 reviews
Korean Air
8.4
Very good
1,218 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.4

Crew

8.7

Food

8.1

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 Incheon Intl. 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 Incheon Intl?

    If you book a flight to Incheon Intl from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 2 flights from Logan Intl to Incheon Intl per day from 7 different airlines.

  • How long is the flight from Boston to Incheon Intl Airport?

    For as low as $1,269, Cathay Pacific can have you in Incheon Intl Airport from Boston in 21h 55m. Airlines will cover a distance of 6809 mi.

  • What are the cheapest airlines flying from Boston to Incheon Intl Airport round-trip?

    Cathay Pacific, at $767, was found to be the cheapest airline from Boston to Incheon Intl Airport.Alternate airlines to your destination round-trip include Air Canada and Turkish Airlines. Users have found that Cathay Pacific is 51% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Boston to Incheon Intl Airport one-way?

    One-way options have recently been found by users for as low as $468 on American Airlines. Other airlines that offer cheap prices include Air Canada from $479 and United Airlines from $490 one-way.

  • What are the cheapest flights from Boston to Incheon Intl Airport?

    On average you can expect to pay $2,816 for a flight from Boston to Incheon Intl Airport. The cheapest flight overall is $569 while the most popular route, (Boston Logan Intl - Incheon Intl) is currently priced at $973.

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

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

  • How can I find direct flights from Boston to Incheon Intl?

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

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

    Yes. Cheapflights offers flight deals from Boston to Incheon Intl 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 Incheon Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Boston to Incheon Intl Airport (average of $975). Flying from Boston to Incheon Intl Airport in December is currently the most expensive (average of $2,533). 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 Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Seongnam
Suwon

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 Boston to Incheon Intl

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

Top 7 airlines flying from Boston to Incheon Intl

Discover the top 7 airlines that operate flights from Boston to Incheon Intl. 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 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$767Average$1,087FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$806Average$1,251FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$843Average$990FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$872Average$1,464FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$872Average$1,295FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,592Average$2,260FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,594Average$1,915FlexibilityNo 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.