$427+ Cheap flights from Boston (BOS) to Incheon Intl (ICN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
Oct 7 — Oct 141
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 48 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 September 7, 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 September 7, 2026.
This WestJet deal was found by Cheapflights users on 9/3. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:30 pm -
1 stop35h 15m
Sat 9/268:45 pm -
1 stop33h 55m
Deal found 9/3![WestJet logo]()
$970
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:55 pm -
1 stop24h 55m
Wed 11/113:00 pm -
1 stop20h 00m
Deal found 9/7![Multiple Airlines logo]()
$986
This Booking.com deal was found by Cheapflights users on 9/6. 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.
Wed 11/2510:55 pm -
1 stop24h 55m
Sun 11/2912:50 pm -
1 stop22h 10m
Deal found 9/6![Multiple Airlines logo]()
$1,009
This Trip.com deal was found by Cheapflights users on 9/4. 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.
Sun 9/1311:55 pm -
1 stop29h 35m
Fri 9/188:20 am -
1 stop26h 40m
Deal found 9/4![Multiple Airlines logo]()
$1,023
This Trip.com deal was found by Cheapflights users on 9/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:55 pm -
1 stop31h 30m
Sun 11/812:50 pm -
1 stop22h 10m
Deal found 9/6![Multiple Airlines logo]()
$1,027
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/129:15 pm -
2 stops29h 30m
Mon 10/266:50 pm -
1 stop30h 13m
Deal found 9/2![American Airlines logo]()
$1,043
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:17 am -
1 stop22h 28m
Mon 11/96:50 pm -
1 stop19h 08m
Deal found 9/7![American Airlines logo]()
$1,046
This Trip.com deal was found by Cheapflights users on 9/2. 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 11/2710:55 pm -
1 stop24h 55m
Sun 12/612:50 pm -
1 stop22h 10m
Deal found 9/2![Multiple Airlines logo]()
$1,050
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/146:02 am -
1 stop20h 43m
Mon 9/285:50 pm -
1 stop18h 44m
Deal found 9/2![American Airlines logo]()
$1,054
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 September 7, 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 September 7, 2026.
This Turkish Airlines deal was found by Cheapflights users on 9/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:00 pm -
1 stop32h 20m
Fri 11/2012:05 am -
1 stop32h 00m
Deal found 9/3![Turkish Airlines logo]()
$1,291
This China Airlines deal was found by Cheapflights users on 9/3. 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 3/111:00 am -
2 stops34h 20m
Mon 3/1512:30 pm -
2 stops32h 32m
Deal found 9/3![Multiple Airlines logo]()
$1,322
This Delta deal was found by Cheapflights users on 9/4. 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 11/1711:00 am -
Nonstop15h 35m
Tue 12/299:10 am -
Nonstop13h 30m
Deal found 9/4![Delta logo]()
$1,603
This Qatar Airways deal was found by Cheapflights users on 9/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:00 pm -
2 stops35h 25m
Sun 10/2512:20 am -
2 stops34h 08m
Deal found 9/4![Qatar Airways logo]()
$1,862
This Turkish Airlines deal was found by Cheapflights users on 9/2. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:00 pm -
1 stop22h 55m
Sun 12/1312:05 am -
1 stop32h 00m
Deal found 9/2![Turkish Airlines logo]()
$1,311
This Philippine Airlines deal was found by Cheapflights users on 9/6. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:30 am -
2 stops34h 30m
Tue 10/137:20 am -
2 stops37h 06m
Deal found 9/6![Multiple Airlines logo]()
$1,326
This China Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 10/258:10 pm -
2 stops26h 10m
Fri 10/3012:30 pm -
2 stops32h 14m
Deal found 9/3![Multiple Airlines logo]()
$1,375
This Delta deal was found by Cheapflights users on 9/2. 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 10/145:30 am -
1 stop19h 40m
Mon 12/149:10 am -
Nonstop13h 30m
Deal found 9/2![Delta logo]()
$1,608
This EVA Air deal was found by Cheapflights users on 9/4. 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 1/253:35 pm -
2 stops28h 55m
Fri 2/57:45 pm -
2 stops23h 55m
Deal found 9/4![Multiple Airlines logo]()
$1,448
This Delta deal was found by Cheapflights users on 9/3. 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 10/226:50 am -
1 stop22h 00m
Wed 11/119:10 am -
Nonstop13h 30m
Deal found 9/3![Delta logo]()
$1,608
This Delta deal was found by Cheapflights users on 9/6. 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.
Sat 11/711:10 am -
Nonstop15h 45m
Sun 11/159:10 am -
Nonstop13h 40m
Deal found 9/6![Delta logo]()
$2,043
This Delta deal was found by Cheapflights users on 9/6. 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.
Sun 11/111:10 am -
Nonstop15h 45m
Sun 11/89:10 am -
Nonstop13h 40m
Deal found 9/6![Delta logo]()
$2,043
Last-minute flights from Boston to Incheon IntlDiscover last-minute flight deals from Boston to Incheon Intl. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Incheon Intl. Data last updated September 7, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/4. 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.
Sun 9/1311:55 pm -
1 stop29h 35m
Fri 9/188:20 am -
1 stop26h 40m
Deal found 9/4![Multiple Airlines logo]()
$1,023
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/146:02 am -
1 stop20h 43m
Mon 9/285:50 pm -
1 stop18h 44m
Deal found 9/2![American Airlines logo]()
$1,054
This WestJet deal was found by Cheapflights users on 9/3. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:30 pm -
1 stop35h 15m
Sat 9/268:45 pm -
1 stop33h 55m
Deal found 9/3![WestJet logo]()
$970
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:59 pm -
1 stop33h 46m
Sat 9/265:50 pm -
1 stop31h 17m
Deal found 9/6![American Airlines logo]()
$1,059
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/129:15 pm -
2 stops29h 30m
Mon 10/266:50 pm -
1 stop30h 13m
Deal found 9/2![American Airlines logo]()
$1,043
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Thu 10/226:28 am -
1 stop20h 17m
Wed 11/116:50 pm -
2 stops26h 22m
Deal found 9/2![American Airlines logo]()
$1,058
This Trip.com deal was found by Cheapflights users on 9/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:55 pm -
1 stop31h 30m
Sun 11/812:50 pm -
1 stop22h 10m
Deal found 9/6![Multiple Airlines logo]()
$1,027
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:17 am -
1 stop22h 28m
Mon 11/96:50 pm -
1 stop19h 08m
Deal found 9/7![American Airlines logo]()
$1,046
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 September 7, 2026.
Search for one-way flight options from Boston to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/186:30 pm -
2 stops46h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/276:30 pm -
1 stop35h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![WestJet logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/279:50 am -
2 stops30h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/247:03 am -
2 stops33h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 12/29:50 am -
3 stops46h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 11/189:50 am -
3 stops46h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 11/289:50 am -
3 stops46h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 11/49:50 am -
3 stops46h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$466
This Mytrip deal was found by Cheapflights users on 9/4. 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 9/186:30 pm -
1 stop35h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![WestJet logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 11/219:50 am -
3 stops46h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 12/69:50 am -
2 stops29h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$509
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $991 (Booking.com) |
One-way from | $427 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $1,573 |
Good round-trip deal | $983 or less |
Good one-way deal | $562 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 7,457,451 searches. Data last updated September 7, 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
Wed 11/4
6:20 am-6:05 am
2 stops33h 45m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$708
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Mon 10/26
6:40 pm-10:30 am
2 stops26h 50m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$756
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Sat 12/5
8:00 pm-6:20 pm
1 stop32h 20m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$792
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Wed 11/4
4:10 pm-3:40 pm
3 stops33h 30m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$906
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Wed 11/4
11:10 am-4:55 pm
Nonstop15h 45m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$909
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Tue 10/6
12:55 pm-5:25 pm
Nonstop15h 30m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$909
Quickest round-trip
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Tue 10/6
12:55 pm-5:25 pm
Nonstop15h 30m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$910
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Thu 11/19
11:00 am-4:35 pm
Nonstop15h 35m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$1,234
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Fri 11/20
11:00 am-4:35 pm
Nonstop15h 35m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$1,284
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Tue 11/10
8:00 pm-6:20 pm
1 stop32h 20m
Incheon Intl
Fri 11/20
12:05 am-6:05 pm
1 stop32h 00m
$1,291
Showing 1-10 of 21 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 September.
| 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 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 47 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 $1,060). 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 September 7, 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?
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
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Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Incheon Intl Airport trip
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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 7, 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.
Food
8.1
Overall
8.4
Comfort
8.3
Crew
8.7
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Overall
8.4
Comfort
8.3
Crew
8.7
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Overall
8.4
Comfort
8.3
Crew
8.7
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Overall
8.4
Comfort
8.3
Crew
8.7
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Overall
8.4
Comfort
8.3
Crew
8.7
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Overall
8.4
Comfort
8.3
Crew
8.7
Entertainment
8.2
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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$382 | Average$2,342 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$843 | Average$990 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$872 | Average$1,262 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$877 | Average$1,184 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$904 | Average$1,625 | FlexibilityNo cancel fee | On-time67% | |
| 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$1,602 | Average$2,133 | FlexibilityNo cancel fee | On-time81% |