HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Incheon Intl

$449+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 October, booked 86 days in advance, depart on a Monday or Wednesday 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 December 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/3. 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.
Wed 12/36:05 pmBOS - ICN
1 stop32h 40mAmerican Airlines
Sun 12/77:15 pmICN - BOS
1 stop30h 15mAmerican Airlines
Deal found 12/3$907
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
Fri 1/1610:45 amICN - BOS
1 stop45h 20mTurkish Airlines
Deal found 12/3$953
This American Airlines deal was found by Cheapflights users on 12/3. 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.
Sun 12/76:05 pmBOS - ICN
1 stop32h 40mAmerican Airlines
Tue 12/97:15 pmICN - BOS
1 stop17h 45mAmerican Airlines
Deal found 12/3$1,024
This Gotogate deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:40 pmBOS - ICN
2 stops35h 50mMultiple Airlines
Fri 1/168:20 amICN - BOS
1 stop22h 00mMultiple Airlines
Deal found 12/3$1,039
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:08 amBOS - ICN
2 stops28h 32mMultiple Airlines
Mon 12/158:35 pmICN - BOS
1 stop17h 24mMultiple Airlines
Deal found 12/3$1,059
This oojo deal was found by Cheapflights users on 12/2. 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 12/38:00 pmBOS - ICN
1 stop32h 20mTurkish Airlines
Wed 12/1010:45 amICN - BOS
1 stop45h 20mTurkish Airlines
Deal found 12/2$1,199
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:40 pmBOS - ICN
2 stops33h 55mMultiple Airlines
Wed 12/101:20 pmICN - BOS
2 stops32h 09mMultiple Airlines
Deal found 12/2$1,235
This Jetabroad deal was found by Cheapflights users on 12/3. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:40 pmBOS - ICN
2 stops29h 10mMultiple Airlines
Tue 12/910:10 pmICN - BOS
2 stops32h 10mMultiple Airlines
Deal found 12/3$1,253
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:40 pmBOS - ICN
2 stops31h 55mMultiple Airlines
Mon 12/1510:20 pmICN - BOS
2 stops23h 09mMultiple Airlines
Deal found 12/3$1,256

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$836
(FlightHub)

One-way from

$449
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$2,217

Good round-trip deal

$818 or less

Good one-way deal

$427 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 ($169 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 4, 2025.
Use the filters below to find and compare flights from Boston to Incheon Intl Airport that are best for you.

Fly from

Boston

Fly to

Incheon Intl

Route

Depart

Return

Price

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 2/16

12:30 am-1:55 pm

1 stop23h 25m

Incheon Intl

Fri 3/6

7:35 pm-10:00 pm

1 stop40h 25m

$1,027

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 3/22

1:30 am-12:45 pm

1 stop22h 15m

Incheon Intl

Tue 3/31

10:10 am-10:39 pm

2 stops49h 29m

$1,227

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 2/23

6:24 pm-7:15 pm

2 stops34h 51m

Incheon Intl

Mon 3/9

8:15 pm-6:54 am

2 stops23h 39m

$1,246

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 3/22

1:30 am-9:25 pm

1 stop30h 55m

Incheon Intl

Fri 4/3

10:10 am-11:00 pm

1 stop25h 50m

$1,247

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 2/24

6:24 pm-10:30 am

2 stops26h 06m

Incheon Intl

Tue 3/3

7:45 pm-6:54 am

2 stops25h 09m

$1,288

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 3/28

1:40 am-7:05 pm

1 stop28h 25m

Incheon Intl

Sat 4/4

10:10 am-12:07 am

2 stops26h 57m

$1,477

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 2/27

6:24 pm-10:30 am

2 stops26h 06m

Incheon Intl

Sat 3/7

7:45 pm-11:49 am

3 stops30h 04m

$1,658

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 3/28

1:40 am-9:10 pm

1 stop30h 30m

Incheon Intl

Thu 4/2

8:05 pm-10:39 pm

2 stops39h 34m

$1,662

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 2/18

11:00 am-4:35 pm

Nonstop15h 35m

Incheon Intl

Wed 3/4

9:10 am-8:40 am

Nonstop13h 30m

$1,663

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 4/15

12:55 pm-5:25 pm

Nonstop15h 30m

Incheon Intl

Tue 4/28

9:30 am-10:20 am

Nonstop13h 50m

$1,663

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 20 results
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Incheon Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Incheon Intl. Price data was last updated on November 28, 2025.

Booking 86 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, November is the cheapest month in which you can book a flight from Boston to Incheon Intl Airport (average of $778). Flying from Boston to Incheon Intl Airport in June is currently the most expensive (average of $1,318). 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 December 4, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Incheon Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Boston to Incheon Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Boston to Incheon Intl. Price data was last updated on November 29, 2025.

Travelers seeking maximum savings on their Boston to Incheon Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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
Airports
BOS

Use the FlyLogan App to pre-order food and save time at BOS. Most eateries participate, ensuring your meal is ready for pick-up.

Read more about BOSby Paul Rubio
ICN

Take the AREX express train from ICN to Seoul Station for a quick 40-50 minute journey. It’s convenient and avoids traffic.

Read more about ICNby Gabriel Leigh
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 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 December 4, 2025.
Read through reviews of airlines operating flights from Boston to Incheon Intl Airport, such as Korean Air, Delta, and Cathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,179 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.4

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
1,179 reviews
Korean Air
8.4
Very good
1,179 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.4

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
8,011 reviews
Korean Air
8.4
Very good
1,179 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.4

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
1,084 reviews
Korean Air
8.4
Very good
1,179 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.4

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
7.3
Good
4,079 reviews
Korean Air
8.4
Very good
1,179 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.4

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
10,500 reviews
Korean Air
8.4
Very good
1,179 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.4

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 popular is this Boston to Incheon Intl Airport flight route?

    Within the past month, 242 users have taken a look at flights from Boston Logan Intl to Incheon Intl.

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

    For as low as $1,027, Cathay Pacific can have you in Incheon Intl Airport from Boston in 23h 25m. Airlines will cover a distance of 6809 mi.

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

    Delta, at $357, was found to be the cheapest airline from Boston to Incheon Intl Airport.Alternate airlines to your destination round-trip include Cathay Pacific and Turkish Airlines. Users have found that Delta is 75% 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 $469 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 $2,591 for a flight from Boston to Incheon Intl Airport. The cheapest flight overall is $392 while the most popular route, (Boston Logan Intl - Incheon Intl) is currently priced at $836.

  • 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, November is the cheapest month in which you can book a flight from Boston to Incheon Intl Airport (average of $778). Flying from Boston to Incheon Intl Airport in June is currently the most expensive (average of $1,318). 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
Suwon
Seongnam

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.
Boston to Gimpo Intl flights
Hartford to Incheon Intl flights
Hartford to Gimpo Intl flights
Albany to Gimpo Intl flights
Albany to Incheon Intl flights
Worcester 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$357Average$2,097FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$774Average$1,000FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$802Average$937FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$868Average$1,224FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$872Average$1,430FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$872Average$936FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,528Average$2,016FlexibilityNo 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.