Incheon Intl

$372+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
Aug 19 — Aug 261
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Cheapflights Tip: The best prices from Boston Logan Intl to Incheon Intl are usually found in September or November, booked 16 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 August 14, 2025.

Round-trip from

$919
(Kiwi.com)

One-way from

$372
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$1,771

Good round-trip deal

$912 or less

Good one-way deal

$524 or less
From Boston Logan Intl to Incheon Intl
One-way flight from Boston Logan Intl to Incheon Intl
Highest demand for flights based on searches. 13% potential increase in price ($221 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($54 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Boston Logan Intl to Incheon Intl.
Price to beat on a one-way flight from Boston Logan Intl to Incheon Intl.

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 August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Tue 8/261:40 amBOS - ICN
1 stop23h 25mCathay Pacific
Wed 9/38:05 pmICN - BOS
1 stop39h 55mCathay Pacific
Deal found 8/11$919
This Mytrip deal was found by Cheapflights users on 8/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:40 pmBOS - ICN
2 stops36h 25mMultiple Airlines
Fri 9/128:15 amICN - BOS
1 stop21h 25mMultiple Airlines
Deal found 8/14$920
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:00 pmBOS - ICN
1 stop37h 35mMultiple Airlines
Sat 9/279:05 pmICN - BOS
1 stop34h 05mMultiple Airlines
Deal found 8/13$923
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Tue 10/216:00 amBOS - ICN
1 stop21h 15mAir Canada
Tue 11/116:55 pmICN - BOS
2 stops28h 37mAir Canada
Deal found 8/12$925
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:40 pmBOS - ICN
2 stops32h 30mAir Canada
Wed 1/146:55 pmICN - BOS
2 stops28h 37mAir Canada
Deal found 8/13$926
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:00 pmBOS - ICN
1 stop37h 35mMultiple Airlines
Thu 9/189:30 pmICN - BOS
2 stops30h 47mMultiple Airlines
Deal found 8/13$927
This FlightHub deal was found by Cheapflights users on 8/12. 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.
Fri 11/76:40 pmBOS - ICN
2 stops33h 50mMultiple Airlines
Sun 11/308:20 amICN - BOS
1 stop22h 00mMultiple Airlines
Deal found 8/12$928
This CrystalTravel deal was found by Cheapflights users on 8/11. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:40 amBOS - ICN
1 stop23h 25mCathay Pacific
Tue 10/283:00 pmICN - BOS
1 stop21h 00mCathay Pacific
Deal found 8/11$929
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:20 amBOS - ICN
1 stop16h 55mAir Canada
Tue 11/48:10 pmICN - BOS
1 stop30h 02mAir Canada
Deal found 8/13$931
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/17:00 pmBOS - ICN
2 stops58h 45mMultiple Airlines
Mon 9/86:20 pmICN - BOS
1 stop33h 40mMultiple Airlines
Deal found 8/11$932
This Gurufare deal was found by Cheapflights users on 8/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:40 amBOS - ICN
1 stop28h 25mCathay Pacific
Thu 10/303:00 pmICN - BOS
1 stop21h 00mCathay Pacific
Deal found 8/12$934
This FlightHub deal was found by Cheapflights users on 8/12. 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 10/206:30 pmBOS - ICN
1 stop32h 45mAir Canada
Mon 11/36:55 pmICN - BOS
2 stops28h 37mAir Canada
Deal found 8/12$936

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 August 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

Sun 9/7

1:40 am-9:10 pm

1 stop30h 30m

Incheon Intl

Fri 9/19

8:05 pm-11:00 pm

1 stop39h 55m

$925

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 9/13

1:40 am-7:05 pm

1 stop28h 25m

Incheon Intl

Sun 9/21

8:05 pm-11:00 pm

1 stop39h 55m

$925

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 11/6

12:30 am-9:15 pm

1 stop30h 45m

Incheon Intl

Sun 11/16

3:00 pm-10:00 pm

1 stop21h 00m

$952

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 9/25

1:40 am-7:05 pm

1 stop28h 25m

Incheon Intl

Fri 10/31

1:50 pm-11:00 pm

1 stop22h 10m

$952

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 10/14

1:40 am-9:10 pm

1 stop30h 30m

Incheon Intl

Thu 10/23

10:10 am-11:00 pm

1 stop25h 50m

$952

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Sat 9/20

1:40 am-12:40 pm

1 stop22h 00m

Incheon Intl

Fri 10/31

1:50 pm-11:00 pm

1 stop22h 10m

$952

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 11/6

12:30 am-6:35 pm

1 stop28h 05m

Incheon Intl

Sat 4/18

3:10 pm-11:00 pm

1 stop20h 50m

$952

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Wed 10/22

1:40 am-7:05 pm

1 stop28h 25m

Incheon Intl

Mon 11/24

10:05 am-10:00 pm

1 stop25h 55m

$952

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Tue 10/14

1:40 am-9:10 pm

1 stop30h 30m

Incheon Intl

Mon 10/27

1:50 pm-11:00 pm

1 stop22h 10m

$952

BostonIncheon

BOS - ICN

BOSICN

Boston Logan Intl

Thu 9/25

1:40 am-9:10 pm

1 stop30h 30m

Incheon Intl

Fri 10/24

1:40 pm-11:00 pm

1 stop22h 20m

$952

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 21 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 August 8, 2025.

Booking 16 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 $994). Flying from Boston to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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 August 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 morning. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.

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 August 10, 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.

Weekly flight availability from Boston to Incheon Intl Airport

Explore weekly flight availability from Boston to Incheon Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2025.

The most flights from BOS to ICN are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

What’s the top layover airport for flights from Boston to Incheon Intl Airport?

Share of 1-stop round-trip flights from Boston to Incheon Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Hong Kong (HKG) – chosen by Cheapflights users on 90% of 1-stop itineraries from Boston to Incheon Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Boston to Incheon Intl Airport?

Average round-trip fare for 1-stop flights from Boston to Incheon Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $789.

What’s the fastest layover option from Boston to Incheon Intl Airport?

Shortest average travel time for 1-stop one-way flights from Boston to Incheon Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 22h 15m.

Which airport typically offers the quickest layover for flights from Boston to Incheon Intl Airport?

Average layover duration for 1-stop one-way flights from Boston to Incheon Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 3h 05m.

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 August 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.

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

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.

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

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.
8.0
Very good

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

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.

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

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.

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

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.

Food

8.1

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

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?

  • 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 Turkish Airlines and Air Canada. 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 $2,626 for a flight from Boston to Incheon Intl Airport. The cheapest flight overall is $447 while the most popular route, (Boston Logan Intl - Incheon Intl) is currently priced at $838.

  • 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 $994). Flying from Boston to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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
Daejeon

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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.

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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$397Average$1,995FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$805Average$969FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$864Average$1,186FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$872Average$1,014FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$875Average$1,117FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$902Average$1,464FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,470Average$1,973FlexibilityNo cancel feeOn-time81%

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