$411+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
Sep 9 — Sep 161
Round-trip
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”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 November or October, booked 79 days in advance, depart on a Wednesday or Thursday and return on a Tuesday
Cheap flight deals from Boston to Incheon Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to Incheon IntlExplore 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 10, 2026.
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 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:30 pm -
2 stops34h 15m
Thu 10/228:45 pm -
1 stop33h 55m
Deal found 8/6![Multiple Airlines logo]()
$920
This oojo deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:55 pm -
1 stop31h 35m
Fri 10/303:00 pm -
1 stop20h 00m
Deal found 8/7![Multiple Airlines logo]()
$931
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:52 pm -
2 stops43h 48m
Tue 10/208:45 pm -
1 stop33h 55m
Deal found 8/9![Multiple Airlines logo]()
$936
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:30 pm -
1 stop35h 15m
Sat 11/218:40 pm -
2 stops26h 25m
Deal found 8/6![Multiple Airlines logo]()
$961
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:30 pm -
1 stop35h 15m
Thu 10/228:45 pm -
1 stop33h 55m
Deal found 8/6![WestJet logo]()
$963
This Booking.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:30 pm -
1 stop35h 15m
Sun 9/138:45 pm -
1 stop33h 55m
Deal found 8/6![WestJet logo]()
$975
This Mytrip deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:25 am -
1 stop22h 20m
Mon 9/218:45 pm -
2 stops26h 05m
Deal found 8/7![Multiple Airlines logo]()
$981
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:30 pm -
1 stop35h 15m
Mon 9/147:15 pm -
2 stops29h 52m
Deal found 8/7![Multiple Airlines logo]()
$984
This Mytrip deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:50 am -
2 stops23h 55m
Sun 9/208:45 pm -
2 stops26h 05m
Deal found 8/7![Multiple Airlines logo]()
$1,005
Best flights from Boston to Incheon IntlDiscover carefully curated flight deals from Boston to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
Discover carefully curated flight deals from Boston to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
This China Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:09 pm -
2 stops28h 06m
Mon 11/212:30 pm -
2 stops32h 29m
Deal found 8/9![Multiple Airlines logo]()
$1,269
This Cathay Pacific deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:45 am -
1 stop21h 55m
Fri 10/301:55 am -
1 stop34h 05m
Deal found 8/9![Cathay Pacific logo]()
$1,399
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:55 pm -
Nonstop15h 30m
Tue 9/159:30 am -
Nonstop13h 40m
Deal found 8/6![Delta logo]()
$2,282
This Philippine Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:35 pm -
2 stops34h 40m
Tue 10/207:20 am -
2 stops37h 06m
Deal found 8/8![Multiple Airlines logo]()
$1,271
This China Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:55 pm -
2 stops29h 25m
Sat 11/148:15 pm -
2 stops24h 26m
Deal found 8/6![Multiple Airlines logo]()
$1,290
This EVA Air deal was found by Cheapflights users on 8/10. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:05 pm -
2 stops26h 55m
Wed 8/2612:00 pm -
2 stops31h 02m
Deal found 8/10![Multiple Airlines logo]()
$1,440
This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:30 am -
1 stop20h 45m
Mon 11/99:10 am -
Nonstop13h 30m
Deal found 8/10![Delta logo]()
$2,287
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:20 pm -
1 stop23h 20m
Tue 10/209:30 am -
Nonstop13h 40m
Deal found 8/8![Delta logo]()
$2,287
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:55 pm -
Nonstop15h 30m
Sat 11/219:10 am -
Nonstop13h 30m
Deal found 8/6![Delta logo]()
$2,332
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:55 pm -
Nonstop15h 30m
Tue 10/139:30 am -
Nonstop13h 40m
Deal found 8/8![Delta logo]()
$2,333
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:55 pm -
Nonstop15h 30m
Sun 11/19:10 am -
Nonstop13h 30m
Deal found 8/8![Delta logo]()
$2,333
Last-minute flights from Boston to Incheon IntlDiscover last-minute flight deals from Boston to Incheon Intl. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Incheon Intl. Data last updated August 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 8/247:25 am -
1 stop22h 20m
Mon 8/317:15 pm -
2 stops29h 32m
Deal found 8/10![Multiple Airlines logo]()
$1,007
This Booking.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:30 pm -
1 stop35h 15m
Sun 9/138:45 pm -
1 stop33h 55m
Deal found 8/6![WestJet logo]()
$975
This Mytrip deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:25 am -
1 stop22h 20m
Mon 9/218:45 pm -
2 stops26h 05m
Deal found 8/7![Multiple Airlines logo]()
$981
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:30 pm -
1 stop35h 15m
Mon 9/147:15 pm -
2 stops29h 52m
Deal found 8/7![Multiple Airlines logo]()
$984
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:30 pm -
1 stop35h 15m
Sat 11/218:40 pm -
2 stops26h 25m
Deal found 8/6![Multiple Airlines logo]()
$961
This Mytrip deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:50 am -
2 stops23h 55m
Sun 9/208:45 pm -
2 stops26h 05m
Deal found 8/7![Multiple Airlines logo]()
$1,005
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:30 pm -
2 stops34h 15m
Thu 10/228:45 pm -
1 stop33h 55m
Deal found 8/6![Multiple Airlines logo]()
$920
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:52 pm -
2 stops43h 48m
Tue 10/208:45 pm -
1 stop33h 55m
Deal found 8/9![Multiple Airlines logo]()
$936
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:30 pm -
1 stop35h 15m
Thu 10/228:45 pm -
1 stop33h 55m
Deal found 8/6![WestJet logo]()
$963
One-way flights from Boston to Incheon IntlSearch for one-way flight options from Boston to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
Search for one-way flight options from Boston to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:30 pm -
1 stop35h 15m
Deal found 8/7![WestJet logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:30 pm -
1 stop35h 15m
Deal found 8/6![WestJet logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:05 am -
2 stops43h 40m
Deal found 8/7![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:30 pm -
1 stop35h 15m
Deal found 8/6![WestJet logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:30 pm -
1 stop35h 15m
Deal found 8/6![WestJet logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 8/237:25 am -
1 stop22h 20m
Deal found 8/10![WestJet logo]()
$457
This Mytrip deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:30 pm -
1 stop35h 15m
Deal found 8/6![WestJet logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:05 am -
2 stops43h 40m
Deal found 8/7![Multiple Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:30 pm -
2 stops46h 00m
Deal found 8/7![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:45 pm -
2 stops43h 55m
Deal found 8/8![Multiple Airlines logo]()
$467
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 August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $920 (Kiwi.com) |
One-way from | $411 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $1,209 |
Good round-trip deal | $1,076 or less |
Good one-way deal | $592 or less |
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 10, 2026.
Use the filters below to find and compare flights from Boston to Incheon Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Mon 10/19
6:09 pm-11:15 am
2 stops28h 06m
Incheon Intl
Mon 11/2
12:30 pm-6:59 am
2 stops32h 29m
$1,269
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Thu 10/8
7:35 pm-7:15 pm
2 stops34h 40m
Incheon Intl
Tue 10/20
7:20 am-7:26 am
2 stops37h 06m
$1,271
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Fri 11/6
3:55 pm-11:20 am
2 stops29h 25m
Incheon Intl
Sat 11/14
8:15 pm-6:41 am
2 stops24h 26m
$1,290
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Thu 10/15
1:45 am-12:40 pm
1 stop21h 55m
Incheon Intl
Fri 10/30
1:55 am-11:00 pm
1 stop34h 05m
$1,399
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Mon 8/17
7:05 pm-11:00 am
2 stops26h 55m
Incheon Intl
Wed 8/26
12:00 pm-6:02 am
2 stops31h 02m
$1,440
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Thu 9/3
12:55 pm-5:25 pm
Nonstop15h 30m
Incheon Intl
Tue 9/15
9:30 am-10:10 am
Nonstop13h 40m
$2,282
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Mon 10/26
7:30 am-5:15 pm
1 stop20h 45m
Incheon Intl
Mon 11/9
9:10 am-8:40 am
Nonstop13h 30m
$2,287
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Mon 10/12
4:20 pm-4:40 am
1 stop23h 20m
Incheon Intl
Tue 10/20
9:30 am-10:10 am
Nonstop13h 40m
$2,287
Quickest round-trip
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Wed 9/9
12:55 pm-5:25 pm
Nonstop15h 30m
Incheon Intl
Sat 11/21
9:10 am-8:40 am
Nonstop13h 30m
$2,332
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Fri 9/25
12:55 pm-5:25 pm
Nonstop15h 30m
Incheon Intl
Tue 10/13
9:30 am-10:10 am
Nonstop13h 40m
$2,333
Showing 1-10 of 20 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
BOS-ICN
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
Prices
Airlines
Delays
How far ahead should I book a flight from Boston to Incheon Intl Airport?
Booking 78 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 $1,051). Flying from Boston to Incheon Intl Airport in December is currently the most expensive (average of $2,533). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOS to ICN?
Find hourly flight availability from Boston to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 10, 2026.
When flying from Boston to Incheon Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Boston to Incheon delayed?
About 29% of weekly flights between Boston and Incheon have experienced delays in the past year, with the average delay time being 101 minutes.
What is the most punctual flight time for Boston to Incheon flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to Incheon flights?
Over the last year, Korean Air have had the lowest number of delays on this route, with just 29% of flights being delayed.
The best insider tips for Boston to Incheon Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Incheon Intl Airport trip
Our travel experts
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 10, 2026.
Read through reviews of airlines operating flights from Boston to Incheon Intl Airport, such as Korean Air,Delta, andCathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Crew
8.7
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
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.
Traveling to a place near Incheon Intl Airport?
Book flights to Incheon Intl Airport if you plan to visit one of these locationsSeongnam
Suwon
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Boston and Incheon Intl flights
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Top 9 airlines flying from Boston to Incheon Intl
Discover the top 9 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$767 | Average$1,120 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$806 | Average$1,552 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$843 | Average$990 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$872 | Average$1,174 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$921 | Average$2,302 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$977 | Average$1,518 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$1,106 | Average$1,366 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$1,383 | Average$1,963 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$1,510 | Average$1,990 | FlexibilityNo cancel fee | On-time81% |