$485+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
May 30 — Jun 61
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 September or November, booked 34 days in advance, depart on a Wednesday or Monday 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 April 30, 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 April 30, 2026.
This Ovago deal was found by Cheapflights users on 4/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:40 pm
BOS
- ICN
2 stops29h 10m
Multiple Airlines
Sat 11/213:00 pm
ICN
- BOS
1 stop39h 20m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$963
This Gurufare deal was found by Cheapflights users on 4/29. 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.
Sun 10/257:40 pm
BOS
- ICN
2 stops29h 10m
Multiple Airlines
Sat 10/313:00 pm
ICN
- BOS
1 stop39h 20m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$965
This Ovago deal was found by Cheapflights users on 4/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:40 pm
BOS
- ICN
2 stops30h 00m
Multiple Airlines
Sat 9/122:40 pm
ICN
- BOS
1 stop39h 00m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,011
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 pm
BOS
- ICN
1 stop35h 15m
WestJet
Tue 9/158:45 pm
ICN
- BOS
1 stop33h 55m
WestJet
Deal found 4/30![WestJet logo]()
$1,053
This FlightHub deal was found by Cheapflights users on 4/26. 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 11/128:00 pm
BOS
- ICN
1 stop32h 20m
Turkish Airlines
Wed 11/2512:10 am
ICN
- BOS
1 stop31h 55m
Turkish Airlines
Deal found 4/26![Turkish Airlines logo]()
$1,065
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:40 pm
BOS
- ICN
2 stops30h 00m
Multiple Airlines
Wed 9/168:20 am
ICN
- BOS
1 stop21h 20m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,074
This FlightHub deal was found by Cheapflights users on 4/27. 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 11/128:00 pm
BOS
- ICN
1 stop32h 20m
Turkish Airlines
Wed 11/1812:10 am
ICN
- BOS
1 stop31h 55m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$1,091
This FlightHub deal was found by Cheapflights users on 4/29. 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 11/168:00 pm
BOS
- ICN
1 stop32h 20m
Turkish Airlines
Mon 11/3010:45 am
ICN
- BOS
1 stop45h 20m
Turkish Airlines
Deal found 4/29![Turkish Airlines logo]()
$1,103
This FlightHub deal was found by Cheapflights users on 4/29. 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 11/178:00 pm
BOS
- ICN
1 stop32h 20m
Turkish Airlines
Mon 11/3012:10 am
ICN
- BOS
1 stop31h 55m
Turkish Airlines
Deal found 4/29![Turkish Airlines logo]()
$1,106
This FlightHub deal was found by Cheapflights users on 4/29. 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 11/29:00 pm
BOS
- ICN
1 stop31h 20m
Turkish Airlines
Wed 11/1110:45 am
ICN
- BOS
1 stop45h 20m
Turkish Airlines
Deal found 4/29![Turkish Airlines logo]()
$1,107
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 April 30, 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 April 30, 2026.
This Cathay Pacific deal was found by Cheapflights users on 4/29. 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.
Sat 10/241:30 am
BOS
- ICN
1 stop28h 05m
Cathay Pacific
Wed 10/281:45 pm
ICN
- BOS
2 stops43h 27m
Cathay Pacific
Deal found 4/29![Cathay Pacific logo]()
$1,814
This Singapore Airlines deal was found by Cheapflights users on 4/25. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm
BOS
- ICN
3 stops34h 30m
Multiple Airlines
Sun 9/1311:05 am
ICN
- BOS
2 stops32h 55m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,816
This Etihad Airways deal was found by Cheapflights users on 4/28. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/54:25 pm
BOS
- ICN
1 stop29h 25m
Etihad Airways
Sun 7/125:45 pm
ICN
- BOS
2 stops43h 14m
Etihad Airways
Deal found 4/28![Etihad Airways logo]()
$2,070
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 10/135:40 am
BOS
- ICN
1 stop22h 40m
Delta
Thu 11/59:10 am
ICN
- BOS
Nonstop13h 30m
Delta
Deal found 4/28![Delta logo]()
$2,136
This Korean Air deal was found by Cheapflights users on 4/30. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:55 pm
BOS
- ICN
Nonstop15h 30m
Korean Air
Mon 8/316:50 pm
ICN
- BOS
1 stop18h 06m
Korean Air
Deal found 4/30![Korean Air logo]()
$2,195
This Cathay Pacific deal was found by Cheapflights users on 4/26. 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.
Sat 8/151:45 am
BOS
- ICN
1 stop31h 40m
Cathay Pacific
Fri 8/281:55 am
ICN
- BOS
2 stops31h 51m
Cathay Pacific
Deal found 4/26![Cathay Pacific logo]()
$1,864
This Singapore Airlines deal was found by Cheapflights users on 4/28. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:00 pm
BOS
- ICN
3 stops34h 30m
Multiple Airlines
Fri 9/1811:50 pm
ICN
- BOS
2 stops34h 57m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,866
This Delta deal was found by Cheapflights users on 4/30. 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 8/1712:55 pm
BOS
- ICN
Nonstop15h 30m
Delta
Mon 8/3110:15 am
ICN
- BOS
1 stop18h 35m
Delta
Deal found 4/30![Delta logo]()
$2,142
This Korean Air deal was found by Cheapflights users on 4/26. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:55 pm
BOS
- ICN
Nonstop15h 30m
Korean Air
Sun 9/209:30 am
ICN
- BOS
Nonstop13h 40m
Korean Air
Deal found 4/26![Korean Air logo]()
$2,234
This Delta deal was found by Cheapflights users on 4/27. 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 10/2212:55 pm
BOS
- ICN
Nonstop15h 30m
Delta
Sat 10/319:10 am
ICN
- BOS
Nonstop13h 30m
Delta
Deal found 4/27![Delta logo]()
$2,182
This Delta deal was found by Cheapflights users on 4/26. 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 7/2312:55 pm
BOS
- ICN
Nonstop15h 30m
Delta
Sun 8/28:45 am
ICN
- BOS
1 stop27h 51m
Delta
Deal found 4/26![Delta logo]()
$2,192
Last-minute flights from Boston to Incheon IntlDiscover last-minute flight deals from Boston to Incheon Intl. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Incheon Intl. Data last updated April 30, 2026 and is based on user searches.
This BusinessClass deal was found by Cheapflights users on 4/26. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:45 am
BOS
- ICN
1 stop21h 55m
Cathay Pacific
Tue 6/28:05 pm
ICN
- BOS
1 stop40h 00m
Cathay Pacific
Deal found 4/26![Cathay Pacific logo]()
$1,166
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/69:00 am
BOS
- ICN
2 stops47h 40m
Multiple Airlines
Mon 5/187:35 pm
ICN
- BOS
1 stop33h 57m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,190
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/116:30 pm
BOS
- ICN
2 stops38h 10m
Multiple Airlines
Mon 5/257:35 pm
ICN
- BOS
1 stop25h 06m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,186
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/136:30 pm
BOS
- ICN
2 stops38h 10m
Multiple Airlines
Wed 6/37:35 pm
ICN
- BOS
1 stop17h 24m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,148
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/136:30 pm
BOS
- ICN
2 stops38h 10m
Multiple Airlines
Sat 5/237:35 pm
ICN
- BOS
1 stop17h 24m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,165
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/246:30 pm
BOS
- ICN
1 stop35h 15m
Multiple Airlines
Mon 6/17:35 pm
ICN
- BOS
1 stop35h 36m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,175
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/276:30 pm
BOS
- ICN
2 stops38h 10m
Multiple Airlines
Wed 6/37:35 pm
ICN
- BOS
1 stop17h 24m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,139
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 April 30, 2026.
Search for one-way flight options from Boston to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. 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
BOS
- ICN
1 stop35h 15m
WestJet
Deal found 4/26![WestJet logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 9/196:30 pm
BOS
- ICN
1 stop35h 15m
WestJet
Deal found 4/29![WestJet logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 9/1910:05 am
BOS
- ICN
2 stops43h 40m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$501
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:40 pm
BOS
- ICN
2 stops30h 00m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/136:30 pm
BOS
- ICN
2 stops38h 10m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$538
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/204:45 pm
BOS
- ICN
3 stops39h 55m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$551
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/233:25 pm
BOS
- ICN
3 stops41h 15m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$552
This Kiwi.com deal was found by Cheapflights users on 4/26. 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
BOS
- ICN
3 stops36h 50m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$557
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:30 pm
BOS
- ICN
2 stops38h 10m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$562
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 April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $963 (Ovago) |
One-way from | $485 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,715 |
Good round-trip deal | $1,196 or less |
Good one-way deal | $644 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 April 30, 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 - ICN
BOSICN
Boston Logan Intl
Sat 10/24
1:30 am-6:35 pm
1 stop28h 05m
Incheon Intl
Wed 10/28
1:45 pm-8:12 pm
2 stops43h 27m
$1,814
BostonIncheon
BOS - ICN
BOSICN
Boston Logan Intl
Thu 9/10
4:00 pm-3:30 pm
3 stops34h 30m
Incheon Intl
Sun 9/13
11:05 am-7:00 am
2 stops32h 55m
$1,816
BostonIncheon
BOS - ICN
BOSICN
Boston Logan Intl
Sat 8/15
1:45 am-10:25 pm
1 stop31h 40m
Incheon Intl
Fri 8/28
1:55 am-8:46 pm
2 stops31h 51m
$1,864
BostonIncheon
BOS - ICN
BOSICN
Boston Logan Intl
Wed 9/9
4:00 pm-3:30 pm
3 stops34h 30m
Incheon Intl
Fri 9/18
11:50 pm-9:47 pm
2 stops34h 57m
$1,866
BostonIncheon
BOS - ICN
BOSICN
Boston Logan Intl
Sun 7/5
4:25 pm-10:50 am
1 stop29h 25m
Incheon Intl
Sun 7/12
5:45 pm-11:59 pm
2 stops43h 14m
$2,070
BostonIncheon
BOS - ICN
BOSICN
Boston Logan Intl
Tue 10/13
5:40 am-5:20 pm
1 stop22h 40m
Incheon Intl
Thu 11/5
9:10 am-8:40 am
Nonstop13h 30m
$2,136
BostonIncheon
BOS - ICN
BOSICN
Boston Logan Intl
Mon 8/17
12:55 pm-5:25 pm
Nonstop15h 30m
Incheon Intl
Mon 8/31
10:15 am-3:50 pm
1 stop18h 35m
$2,142
Quickest round-trip
BostonIncheon
BOS - ICN
BOSICN
Boston Logan Intl
Thu 10/22
12:55 pm-5:25 pm
Nonstop15h 30m
Incheon Intl
Sat 10/31
9:10 am-9:40 am
Nonstop13h 30m
$2,182
BostonIncheon
BOS - ICN
BOSICN
Boston Logan Intl
Thu 7/23
12:55 pm-5:25 pm
Nonstop15h 30m
Incheon Intl
Sun 8/2
8:45 am-11:36 pm
1 stop27h 51m
$2,192
BostonIncheon
BOS - ICN
BOSICN
Boston Logan Intl
Sun 8/23
12:55 pm-5:25 pm
Nonstop15h 30m
Incheon Intl
Mon 8/31
6:50 pm-11:56 pm
1 stop18h 06m
$2,195
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 April.
| 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 Accuracy3 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 33 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, September is the cheapest month in which you can book a flight from Boston to Incheon Intl Airport (average of $975). Flying from Boston to Incheon Intl Airport in December is currently the most expensive (average of $2,536). 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 April 30, 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 102 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?
Friday 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 April 30, 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.
Boarding
8.5
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Food
8.1
Comfort
8.3
Entertainment
8.2
Overall
8.4
Crew
8.7
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 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 April 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$407 | Average$2,041 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$767 | Average$1,050 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$806 | Average$1,130 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$843 | Average$990 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$872 | Average$1,430 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$872 | Average$1,159 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,594 | Average$1,939 | FlexibilityNo cancel fee | On-time81% |