$496+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ICN
Dec 7 — Dec 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 August or November, 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 November 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 November 7, 2026.
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:55 pm -
1 stop31h 30m
Wed 11/1812:50 pm -
1 stop22h 10m
Deal found 11/2![Multiple Airlines logo]()
$943
This SmartFares deal was found by Cheapflights users on 11/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:55 pm -
1 stop31h 30m
Fri 11/2712:50 pm -
1 stop22h 10m
Deal found 11/4![Multiple Airlines logo]()
$982
This SmartFares deal was found by Cheapflights users on 11/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:55 pm -
1 stop24h 50m
Wed 12/912:50 pm -
1 stop22h 10m
Deal found 11/4![Multiple Airlines logo]()
$1,004
This oojo deal was found by Cheapflights users on 11/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:55 pm -
1 stop31h 30m
Fri 12/1112:50 pm -
1 stop22h 10m
Deal found 11/4![Multiple Airlines logo]()
$1,011
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
1 stop20h 45m
Fri 11/136:50 pm -
1 stop19h 08m
Deal found 11/3![American Airlines logo]()
$1,099
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 am -
1 stop20h 45m
Thu 11/126:50 pm -
2 stops27h 55m
Deal found 11/3![American Airlines logo]()
$1,103
This Bravofly deal was found by Cheapflights users on 11/4. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:00 pm -
1 stop22h 55m
Wed 12/910:40 am -
1 stop45h 25m
Deal found 11/4![Turkish Airlines logo]()
$1,127
This American Airlines deal was found by Cheapflights users on 11/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:21 pm -
1 stop36h 24m
Mon 12/76:50 pm -
1 stop31h 00m
Deal found 11/4![American Airlines logo]()
$1,149
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Mon 11/1610:55 pm -
1 stop29h 40m
Tue 12/18:40 pm -
2 stops26h 30m
Deal found 11/3![Multiple Airlines logo]()
$1,154
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 November 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 November 7, 2026.
This Turkish Airlines deal was found by Cheapflights users on 11/4. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:00 pm -
1 stop22h 55m
Wed 12/912:05 am -
1 stop32h 00m
Deal found 11/4![Turkish Airlines logo]()
$1,186
This Cathay Pacific deal was found by Cheapflights users on 11/5. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/912:30 am -
1 stop23h 20m
Tue 2/161:55 am -
1 stop34h 05m
Deal found 11/5![Cathay Pacific logo]()
$1,408
This China Airlines deal was found by Cheapflights users on 11/2. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/141:59 pm -
2 stops32h 31m
Wed 5/512:45 pm -
2 stops32h 55m
Deal found 11/2![Multiple Airlines logo]()
$1,472
This Korean Air deal was found by Cheapflights users on 11/3. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1011:10 am -
Nonstop15h 45m
Wed 2/179:10 am -
Nonstop13h 40m
Deal found 11/3![Korean Air logo]()
$1,606
This United Airlines deal was found by Cheapflights users on 11/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/221:45 pm -
1 stop25h 55m
Wed 4/711:30 am -
2 stops31h 28m
Deal found 11/6![United Airlines logo]()
$1,623
This Qatar Airways deal was found by Cheapflights users on 11/5. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1710:00 pm -
2 stops35h 25m
Fri 4/231:20 am -
1 stop26h 55m
Deal found 11/5![Qatar Airways logo]()
$1,710
This Turkish Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 3/249:00 pm -
1 stop32h 20m
Fri 4/1610:10 am -
1 stop22h 45m
Deal found 11/2![Turkish Airlines logo]()
$1,316
This Turkish Airlines deal was found by Cheapflights users on 11/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/219:00 pm -
1 stop32h 20m
Mon 4/1911:20 pm -
1 stop33h 35m
Deal found 11/5![Turkish Airlines logo]()
$1,355
This China Airlines deal was found by Cheapflights users on 11/5. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/145:59 pm -
2 stops27h 21m
Fri 2/1912:30 pm -
2 stops33h 11m
Deal found 11/5![Multiple Airlines logo]()
$1,600
This Korean Air deal was found by Cheapflights users on 11/2. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/226:40 pm -
1 stop21h 05m
Sun 4/119:30 am -
Nonstop13h 50m
Deal found 11/2![Korean Air logo]()
$1,661
This Turkish Airlines deal was found by Cheapflights users on 11/4. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:00 pm -
1 stop22h 55m
Mon 12/2812:05 am -
1 stop32h 00m
Deal found 11/4![Turkish Airlines logo]()
$1,465
This Korean Air deal was found by Cheapflights users on 11/3. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/35:35 am -
1 stop19h 55m
Sat 2/139:10 am -
Nonstop13h 40m
Deal found 11/3![Multiple Airlines logo]()
$1,660
Last-minute flights from Boston to Incheon IntlDiscover last-minute flight deals from Boston to Incheon Intl. Data last updated November 7, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Incheon Intl. Data last updated November 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
1 stop20h 45m
Fri 11/136:50 pm -
1 stop19h 08m
Deal found 11/3![American Airlines logo]()
$1,099
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 am -
1 stop20h 45m
Thu 11/126:50 pm -
2 stops27h 55m
Deal found 11/3![American Airlines logo]()
$1,103
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:55 pm -
1 stop31h 30m
Wed 11/1812:50 pm -
1 stop22h 10m
Deal found 11/2![Multiple Airlines logo]()
$943
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Mon 11/1610:55 pm -
1 stop29h 40m
Tue 12/18:40 pm -
2 stops26h 30m
Deal found 11/3![Multiple Airlines logo]()
$1,154
This SmartFares deal was found by Cheapflights users on 11/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:55 pm -
1 stop31h 30m
Fri 11/2712:50 pm -
1 stop22h 10m
Deal found 11/4![Multiple Airlines logo]()
$982
This American Airlines deal was found by Cheapflights users on 11/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:50 pm -
2 stops29h 55m
Mon 12/76:50 pm -
2 stops26h 57m
Deal found 11/4![American Airlines logo]()
$1,149
This SmartFares deal was found by Cheapflights users on 11/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:55 pm -
1 stop24h 50m
Wed 12/912:50 pm -
1 stop22h 10m
Deal found 11/4![Multiple Airlines logo]()
$1,004
This Bravofly deal was found by Cheapflights users on 11/4. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:00 pm -
1 stop22h 55m
Wed 12/910:40 am -
1 stop45h 25m
Deal found 11/4![Turkish Airlines logo]()
$1,127
This oojo deal was found by Cheapflights users on 11/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:55 pm -
1 stop31h 30m
Fri 12/1112:50 pm -
1 stop22h 10m
Deal found 11/4![Multiple Airlines logo]()
$1,011
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 November 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 November 7, 2026.
This Philippine Airlines deal was found by Cheapflights users on 11/4. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/57:00 am -
2 stops33h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Sat 1/236:28 pm -
2 stops36h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$510
This SmartFares deal was found by Cheapflights users on 11/4. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:55 pm -
1 stop29h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 1/277:00 am -
2 stops31h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Thu 12/37:00 am -
2 stops32h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$526
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 am -
1 stop20h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![American Airlines logo]()
$533
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 1/2210:24 am -
2 stops29h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$535
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 November 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $959 (SmartFares) |
One-way from | $496 (Philippine Airlines) |
Popular in | December |
Cheapest in | August |
Average price | $1,348 |
Good round-trip deal | $1,014 or less |
Good one-way deal | $572 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 November 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
Mon 2/1
8:53 am-6:05 am
2 stops31h 12m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$496
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Wed 4/28
9:05 am-5:55 am
2 stops31h 50m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$496
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Wed 5/5
6:30 am-5:55 am
2 stops34h 25m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$496
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Wed 4/28
12:27 pm-3:30 pm
3 stops38h 03m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$820
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Wed 5/5
12:27 pm-3:30 pm
3 stops38h 03m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$907
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Fri 11/20
5:57 pm-5:35 pm
2 stops57h 38m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$976
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Wed 12/2
8:00 pm-8:55 am
1 stop22h 55m
Incheon Intl
Wed 12/9
12:05 am-6:05 pm
1 stop32h 00m
$1,186
Quickest round-trip
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Thu 12/31
11:10 am-4:55 pm
Nonstop15h 45m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$1,228
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Thu 12/10
11:10 am-4:55 pm
Nonstop15h 45m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$1,235
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Wed 11/25
11:10 am-4:55 pm
Nonstop15h 45m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$1,235
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 November.
| 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 | |
| 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 40 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, August is the cheapest month in which you can book a flight from Boston to Incheon Intl Airport (average of $1,268). 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 November 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 28% 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?
Friday tends to have the lowest number of delays on this route, whereas Thursday 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 28% 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 November 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.
Entertainment
8.2
Food
8.1
Boarding
8.5
Overall
8.4
Crew
8.7
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Food
8.1
Boarding
8.5
Overall
8.4
Crew
8.7
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Food
8.1
Boarding
8.5
Overall
8.4
Crew
8.7
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Food
8.1
Boarding
8.5
Overall
8.4
Crew
8.7
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Food
8.1
Boarding
8.5
Overall
8.4
Crew
8.7
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Food
8.1
Boarding
8.5
Overall
8.4
Crew
8.7
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
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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 November 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$382 | Average$2,243 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$910 | Average$1,219 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$918 | Average$1,026 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$977 | Average$1,518 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$995 | Average$1,366 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$1,024 | Average$1,293 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,126 | Average$1,685 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,288 | Average$1,963 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$1,546 | Average$2,188 | FlexibilityNo cancel fee | On-time81% |