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Incheon Intl

$406+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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

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 September 15, 2025.

Round-trip from

$899
(FlightHub)

One-way from

$406
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$994

Good round-trip deal

$881 or less

Good one-way deal

$497 or less
From Boston Logan Intl to Incheon Intl
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One-way flight from Boston Logan Intl to Incheon Intl
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Highest demand for flights based on searches. 14% potential increase in price ($239 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Incheon Intl.
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Price to beat on a one-way flight from Boston Logan Intl to Incheon Intl.
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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 September 15, 2025.

This Gotogate deal was found by Cheapflights users on 9/15. 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.
Thu 9/186:00 amBOS - ICN
2 stops45h 05mAir Canada
Wed 10/86:00 pmICN - BOS
2 stops34h 59mAir Canada
Deal found 9/15$839
This Air Canada deal was found by Cheapflights users on 9/15. 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 9/226:00 amBOS - ICN
2 stops21h 05mAir Canada
Mon 11/246:55 pmICN - BOS
2 stops28h 37mAir Canada
Deal found 9/15$848
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Tue 9/166:00 amBOS - ICN
1 stop21h 15mAir Canada
Tue 9/237:05 pmICN - BOS
2 stops27h 25mAir Canada
Deal found 9/15$854
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:18 pmBOS - ICN
1 stop21h 02mUnited Airlines
Thu 10/3011:55 amICN - BOS
1 stop22h 43mUnited Airlines
Deal found 9/15$865
This Flighttix deal was found by Cheapflights users on 9/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:00 pmBOS - ICN
2 stops33h 30mBritish Airways
Thu 10/305:55 pmICN - BOS
2 stops30h 18mBritish Airways
Deal found 9/15$867
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Thu 11/208:00 pmBOS - ICN
1 stop23h 05mTurkish Airlines
Sun 11/3012:10 amICN - BOS
1 stop31h 55mTurkish Airlines
Deal found 9/15$871
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/158:27 pmBOS - ICN
2 stops29h 33mUnited Airlines
Mon 10/611:30 amICN - BOS
2 stops26h 20mUnited Airlines
Deal found 9/15$877
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/202:46 pmBOS - ICN
1 stop35h 44mAmerican Airlines
Tue 11/47:15 pmICN - BOS
1 stop17h 47mAmerican Airlines
Deal found 9/15$879
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Tue 11/258:00 pmBOS - ICN
1 stop32h 20mTurkish Airlines
Mon 12/110:45 amICN - BOS
1 stop45h 20mTurkish Airlines
Deal found 9/15$881

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 September 15, 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

Tue 11/11

8:00 pm-6:20 pm

1 stop32h 20m

Incheon Intl

Wed 12/3

12:10 am-6:05 pm

1 stop31h 55m

$944

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 10/14

1:40 am-9:10 pm

1 stop30h 30m

Incheon Intl

Sat 10/18

10:10 am-11:00 pm

1 stop25h 50m

$987

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 11/22

8:00 pm-9:05 am

1 stop23h 05m

Incheon Intl

Sat 12/13

12:10 am-6:05 pm

1 stop31h 55m

$1,044

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 11/19

12:30 am-9:15 pm

1 stop30h 45m

Incheon Intl

Mon 12/1

7:35 pm-10:00 pm

1 stop40h 25m

$1,063

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 11/20

4:35 pm-6:25 pm

1 stop35h 50m

Incheon Intl

Mon 12/1

6:55 pm-9:32 am

2 stops28h 37m

$1,093

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 10/15

9:20 am-6:35 pm

1 stop20h 15m

Incheon Intl

Sat 10/18

8:35 pm-7:53 am

1 stop24h 18m

$1,121

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 12/2

8:00 pm-6:20 pm

1 stop32h 20m

Incheon Intl

Sat 12/27

12:10 am-6:05 pm

1 stop31h 55m

$1,248

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 11/20

1:00 pm-12:20 pm

3 stops33h 20m

Incheon Intl

Mon 12/1

6:55 pm-10:41 am

2 stops29h 46m

$1,266

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 10/29

1:30 am-1:55 pm

1 stop23h 25m

Incheon Intl

Thu 11/6

10:05 am-11:02 pm

2 stops26h 57m

$1,281

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sun 2/8

12:30 am-6:35 pm

1 stop28h 05m

Incheon Intl

Tue 3/3

10:05 am-11:00 pm

2 stops26h 55m

$1,282

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
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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

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 September 12, 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, February is the cheapest month in which you can book a flight from Boston to Incheon Intl Airport (average of $990). Flying from Boston to Incheon Intl Airport in December is currently the most expensive (average of $1,633). 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 September 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Incheon Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 26% 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 September 14, 2025.

Travelers seeking maximum savings on their Boston to Incheon Intl Airport flight should consider departing on Monday mornings 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.

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 September 15, 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
1,139 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

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
7,954 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

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
993 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

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
3,968 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

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
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.5

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 $987, Turkish Airlines can have you in Incheon Intl Airport from Boston in 30h 30m. Airlines will cover a distance of 6809 mi. This flight may include one or multiple stops.

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

    Delta, at $397, 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 72% 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 $460 while the most popular route, (Boston Logan Intl - Incheon Intl) is currently priced at $844.

  • 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, February is the cheapest month in which you can book a flight from Boston to Incheon Intl Airport (average of $990). Flying from Boston to Incheon Intl Airport in December is currently the most expensive (average of $1,633). 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.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$397Average$1,897FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$774Average$985FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$802Average$943FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$864Average$1,187FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$875Average$1,127FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$901Average$1,430FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,492Average$1,971FlexibilityNo cancel feeOn-time81%

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