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Incheon Intl

$465+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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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”

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Cheapflights Tip: The best prices from Boston Logan Intl to Incheon Intl are usually found in September or November, booked 86 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Find 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 October 14, 2025.

This lol.travel deal was found by Cheapflights users on 10/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:30 amBOS - ICN
2 stops22h 55mAir Canada
Mon 11/106:55 pmICN - BOS
2 stops28h 37mAir Canada
Deal found 10/14$853
This FlightHub deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
Wed 12/310:45 amICN - BOS
1 stop45h 20mTurkish Airlines
Deal found 10/14$855
This FlightHub deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
Mon 11/2412:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 10/13$880
This Air Canada deal was found by Cheapflights users on 10/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:40 pmBOS - ICN
2 stops32h 30mAir Canada
Mon 11/176:55 pmICN - BOS
2 stops28h 37mAir Canada
Deal found 10/12$886
This Gotogate deal was found by Cheapflights users on 10/13. 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 11/146:40 pmBOS - ICN
2 stops29h 10mMultiple Airlines
Sun 11/238:20 amICN - BOS
1 stop22h 00mMultiple Airlines
Deal found 10/13$890
This Air Canada deal was found by Cheapflights users on 10/14. 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.
Mon 11/246:40 pmBOS - ICN
2 stops32h 30mAir Canada
Wed 12/36:55 pmICN - BOS
2 stops33h 57mAir Canada
Deal found 10/14$891
This FlightHub deal was found by Cheapflights users on 10/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
Mon 11/1710:45 amICN - BOS
1 stop45h 20mTurkish Airlines
Deal found 10/12$892
This Air Canada deal was found by Cheapflights users on 10/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:15 amBOS - ICN
1 stop22h 10mAir Canada
Mon 11/106:55 pmICN - BOS
2 stops28h 37mAir Canada
Deal found 10/12$898

Cheap 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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$853
(lol.travel)

One-way from

$465
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,124

Good round-trip deal

$871 or less

Good one-way deal

$543 or less
Provider with most accurate pricing for Boston Logan Intl-Incheon Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Incheon Intl flights.
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From Boston Logan Intl to Incheon Intl
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One-way flight from Boston Logan Intl to Incheon Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($222 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 14, 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

Wed 10/29

1:30 am-1:55 pm

1 stop23h 25m

Incheon Intl

Mon 11/3

7:35 pm-10:00 pm

1 stop40h 25m

$1,042

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 10/25

1:30 am-1:55 pm

1 stop23h 25m

Incheon Intl

Sat 11/8

3:00 pm-10:00 pm

1 stop21h 00m

$1,142

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 11/2

12:30 am-1:55 pm

1 stop23h 25m

Incheon Intl

Tue 11/18

3:00 pm-10:00 pm

1 stop21h 00m

$1,192

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 11/24

12:30 am-6:35 pm

1 stop28h 05m

Incheon Intl

Mon 12/1

3:00 pm-11:22 pm

2 stops46h 22m

$1,260

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Fri 10/24

11:14 am-1:55 pm

2 stops37h 41m

Incheon Intl

Thu 11/6

10:00 am-10:00 pm

1 stop26h 00m

$1,304

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 11/8

12:30 am-6:35 pm

1 stop28h 05m

Incheon Intl

Sun 11/16

10:00 am-11:02 pm

2 stops27h 02m

$1,360

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 12/11

4:20 pm-11:15 am

2 stops28h 55m

Incheon Intl

Wed 1/14

1:30 pm-1:35 pm

2 stops38h 05m

$1,584

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 11/5

11:00 am-4:35 pm

Nonstop15h 35m

Incheon Intl

Wed 11/19

9:10 am-8:40 am

Nonstop13h 30m

$1,593

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Mon 11/10

11:00 am-4:35 pm

Nonstop15h 35m

Incheon Intl

Mon 11/17

9:10 am-8:40 am

Nonstop13h 30m

$1,593

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 11/12

11:00 am-4:35 pm

Nonstop15h 35m

Incheon Intl

Wed 11/26

9:10 am-8:40 am

Nonstop13h 30m

$1,593

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 23 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 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?

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 October 10, 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, October is the cheapest month in which you can book a flight from Boston to Incheon Intl Airport (average of $789). Flying from Boston to Incheon Intl Airport in June is currently the most expensive (average of $1,358). 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 October 14, 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 46% 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 October 12, 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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your 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 October 14, 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
1,149 reviews

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

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
1,149 reviews
Korean Air
8.4
Very good
1,149 reviews

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

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
8.0
Very good
7,977 reviews
Korean Air
8.4
Very good
1,149 reviews

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

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
1,023 reviews
Korean Air
8.4
Very good
1,149 reviews

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

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
7.3
Good
4,010 reviews
Korean Air
8.4
Very good
1,149 reviews

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

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
10,298 reviews
Korean Air
8.4
Very good
1,149 reviews

Comfort

8.3

Boarding

8.5

Crew

8.7

Overall

8.4

Entertainment

8.2

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 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 $1,042, 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 flights from Boston to Incheon Intl Airport?

    On average you can expect to pay $2,631 for a flight from Boston to Incheon Intl Airport. The cheapest flight overall is $485 while the most popular route, (Boston Logan Intl - Incheon Intl) is currently priced at $855.

  • 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, October is the cheapest month in which you can book a flight from Boston to Incheon Intl Airport (average of $789). Flying from Boston to Incheon Intl Airport in June is currently the most expensive (average of $1,358). 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

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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 Incheon Intl flights
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Albany to Gimpo 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$357Average$1,884FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$774Average$991FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$805Average$934FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$864Average$1,206FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$872Average$1,061FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$901Average$1,430FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,492Average$1,960FlexibilityNo cancel feeOn-time81%

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