$469+ Cheap flights from Boston (BOS) to Seoul (SEL)
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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SEL
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Seoul 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 Seoul are usually found in February or January, booked 34 days in advance, depart on a Wednesday or Monday and return on a Tuesday
Cheap flight deals from Boston to Seoul
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Cheapest flights from Boston to SeoulExplore the most affordable flight options available from Boston to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Boston to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This oojo deal was found by Cheapflights users on 10/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:55 pm -
1 stop24h 50m
Wed 12/23:00 pm -
1 stop20h 00m
Deal found 10/28![Multiple Airlines logo]()
$943
This SmartFares deal was found by Cheapflights users on 10/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:55 pm -
1 stop25h 15m
Wed 12/28:35 am -
1 stop26h 25m
Deal found 10/28![Multiple Airlines logo]()
$959
This SmartFares deal was found by Cheapflights users on 10/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:55 pm -
1 stop29h 40m
Fri 11/203:00 pm -
1 stop20h 00m
Deal found 10/26![Multiple Airlines logo]()
$959
This SmartFares deal was found by Cheapflights users on 10/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:55 pm -
1 stop25h 15m
Wed 11/118:35 am -
1 stop26h 25m
Deal found 10/25![Multiple Airlines logo]()
$982
This SmartFares deal was found by Cheapflights users on 10/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:55 pm -
1 stop24h 50m
Wed 11/1112:50 pm -
1 stop22h 10m
Deal found 10/25![Multiple Airlines logo]()
$982
This FlightHub deal was found by Cheapflights users on 10/29. 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.
Wed 11/1810:55 pm -
1 stop31h 30m
Wed 12/23:00 pm -
1 stop20h 00m
Deal found 10/29![Multiple Airlines logo]()
$1,001
This Flightnetwork deal was found by Cheapflights users on 10/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2910:55 pm -
1 stop29h 40m
Sun 12/63:00 pm -
1 stop20h 00m
Deal found 10/30![Multiple Airlines logo]()
$1,003
This Bravofly deal was found by Cheapflights users on 10/27. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:55 pm -
1 stop24h 50m
Sun 12/133:00 pm -
1 stop20h 00m
Deal found 10/27![Multiple Airlines logo]()
$1,011
This KAYAK deal was found by Cheapflights users on 10/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:55 pm -
1 stop25h 15m
Wed 12/28:35 am -
1 stop26h 25m
Deal found 10/27![Multiple Airlines logo]()
$1,025
This Booking.com deal was found by Cheapflights users on 10/25. 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 Booking.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 11/88:20 am -
1 stop26h 40m
Deal found 10/25![Multiple Airlines logo]()
$1,040
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:55 pm -
1 stop31h 30m
Fri 10/3012:50 pm -
1 stop22h 10m
Deal found 10/25![Multiple Airlines logo]()
$1,046
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:55 pm -
1 stop25h 15m
Sun 12/138:35 am -
1 stop26h 25m
Deal found 10/27![Multiple Airlines logo]()
$1,074
Best flights from Boston to SeoulDiscover carefully curated flight deals from Boston to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Boston to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:00 am -
2 stops26h 05m
Sat 12/58:15 am -
2 stops29h 06m
Deal found 10/29![Japan Airlines logo]()
$1,378
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:35 pm -
3 stops35h 15m
Sat 12/52:25 pm -
3 stops33h 13m
Deal found 10/29![Multiple Airlines logo]()
$1,485
This Turkish Airlines deal was found by Cheapflights users on 10/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:00 pm -
1 stop27h 55m
Thu 12/1712:05 am -
1 stop32h 00m
Deal found 10/27![Turkish Airlines logo]()
$1,536
This Korean Air deal was found by Cheapflights users on 10/28. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/111:10 am -
Nonstop15h 45m
Mon 3/159:10 am -
Nonstop13h 40m
Deal found 10/28![Korean Air logo]()
$1,606
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:36 pm -
2 stops25h 04m
Thu 12/1712:45 pm -
1 stop17h 49m
Deal found 10/26![United Airlines logo]()
$2,449
This oojo deal was found by Cheapflights users on 10/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/246:00 am -
2 stops26h 05m
Sat 1/3012:05 pm -
2 stops24h 45m
Deal found 10/26![Japan Airlines logo]()
$1,381
This Japan Airlines deal was found by Cheapflights users on 10/28. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/188:35 pm -
2 stops24h 10m
Sat 1/2312:05 pm -
2 stops24h 45m
Deal found 10/28![Japan Airlines logo]()
$1,454
This Korean Air deal was found by Cheapflights users on 10/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:10 am -
Nonstop15h 45m
Thu 11/1910:00 am -
1 stop26h 55m
Deal found 10/29![Korean Air logo]()
$1,617
This Korean Air deal was found by Cheapflights users on 10/25. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:10 am -
Nonstop15h 45m
Thu 11/2610:35 am -
1 stop20h 29m
Deal found 10/25![Korean Air logo]()
$1,617
This FlightHub deal was found by Cheapflights users on 10/26. 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.
Sat 2/1310:03 am -
2 stops34h 42m
Sun 2/217:40 pm -
2 stops47h 41m
Deal found 10/26![Japan Airlines logo]()
$1,497
This Korean Air deal was found by Cheapflights users on 10/26. 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.
Wed 1/1311:10 am -
Nonstop15h 45m
Sun 1/249:10 am -
Nonstop13h 40m
Deal found 10/26![Korean Air logo]()
$1,656
This Japan Airlines deal was found by Cheapflights users on 10/27. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:13 am -
2 stops24h 52m
Thu 12/37:40 pm -
1 stop35h 45m
Deal found 10/27![Japan Airlines logo]()
$1,513
This Japan Airlines deal was found by Cheapflights users on 10/27. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:13 am -
2 stops37h 32m
Fri 12/47:40 pm -
1 stop35h 45m
Deal found 10/27![Japan Airlines logo]()
$1,513
This Korean Air deal was found by Cheapflights users on 10/28. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:30 am -
1 stop20h 00m
Thu 12/39:10 am -
Nonstop13h 40m
Deal found 10/28![Multiple Airlines logo]()
$2,260
This Korean Air deal was found by Cheapflights users on 10/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/811:10 am -
Nonstop15h 45m
Mon 3/229:10 am -
Nonstop13h 40m
Deal found 10/29![Korean Air logo]()
$1,946
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/87:59 pm -
2 stops24h 46m
Mon 3/228:15 am -
2 stops28h 08m
Deal found 10/29![Japan Airlines logo]()
$1,651
This Japan Airlines deal was found by Cheapflights users on 10/28. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:45 pm -
2 stops50h 00m
Wed 11/257:40 pm -
2 stops35h 11m
Deal found 10/28![Japan Airlines logo]()
$1,730
This Korean Air deal was found by Cheapflights users on 10/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2811:10 am -
Nonstop15h 45m
Sat 12/59:10 am -
Nonstop13h 40m
Deal found 10/29![Korean Air logo]()
$2,206
This Korean Air deal was found by Cheapflights users on 10/25. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/149:55 am -
1 stop18h 55m
Sat 4/249:30 am -
Nonstop13h 50m
Deal found 10/25![Korean Air logo]()
$2,341
Last-minute flights from Boston to SeoulDiscover last-minute flight deals from Boston to Seoul. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Seoul. Data last updated October 30, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 10/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:55 pm -
1 stop25h 15m
Wed 11/118:35 am -
1 stop26h 25m
Deal found 10/25![Multiple Airlines logo]()
$982
This SmartFares deal was found by Cheapflights users on 10/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:55 pm -
1 stop24h 50m
Wed 11/1112:50 pm -
1 stop22h 10m
Deal found 10/25![Multiple Airlines logo]()
$982
This SmartFares deal was found by Cheapflights users on 10/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:55 pm -
1 stop29h 40m
Fri 11/203:00 pm -
1 stop20h 00m
Deal found 10/26![Multiple Airlines logo]()
$959
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Mon 11/1610:55 pm -
1 stop29h 40m
Tue 12/18:40 pm -
2 stops26h 30m
Deal found 10/29![Multiple Airlines logo]()
$1,135
This FlightHub deal was found by Cheapflights users on 10/29. 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.
Wed 11/1810:55 pm -
1 stop31h 30m
Wed 12/23:00 pm -
1 stop20h 00m
Deal found 10/29![Multiple Airlines logo]()
$1,001
This KAYAK deal was found by Cheapflights users on 10/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:55 pm -
1 stop25h 15m
Wed 12/28:35 am -
1 stop26h 25m
Deal found 10/27![Multiple Airlines logo]()
$1,025
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/2210:55 pm -
1 stop31h 30m
Fri 12/412:50 pm -
1 stop22h 10m
Deal found 10/27![Multiple Airlines logo]()
$1,074
This oojo deal was found by Cheapflights users on 10/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:55 pm -
1 stop24h 50m
Wed 12/23:00 pm -
1 stop20h 00m
Deal found 10/28![Multiple Airlines logo]()
$943
This SmartFares deal was found by Cheapflights users on 10/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:55 pm -
1 stop25h 15m
Wed 12/28:35 am -
1 stop26h 25m
Deal found 10/28![Multiple Airlines logo]()
$959
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 11/2710:55 pm -
1 stop24h 50m
Fri 12/43:00 pm -
1 stop20h 00m
Deal found 10/26![Multiple Airlines logo]()
$1,040
This eDestinos deal was found by Cheapflights users on 10/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/288:00 pm -
1 stop32h 20m
Fri 12/412:05 am -
1 stop32h 00m
Deal found 10/29![Turkish Airlines logo]()
$1,128
This Flightnetwork deal was found by Cheapflights users on 10/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2910:55 pm -
1 stop29h 40m
Sun 12/63:00 pm -
1 stop20h 00m
Deal found 10/30![Multiple Airlines logo]()
$1,003
One-way flights from Boston to SeoulSearch for one-way flight options from Boston to Seoul. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Boston to Seoul. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/19:50 am -
2 stops29h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$469
This Kissandfly.com deal was found by Cheapflights users on 10/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:00 am -
2 stops31h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Philippine Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 11/278:36 am -
2 stops30h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Tue 11/1712:15 pm -
2 stops51h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Thu 11/1912:39 pm -
2 stops50h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$493
This Philippine Airlines deal was found by Cheapflights users on 10/30. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:20 am -
2 stops33h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Thu 11/1212:34 pm -
2 stops50h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$516
This SmartFares deal was found by Cheapflights users on 10/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:55 pm -
1 stop25h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$517
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares 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 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sat 3/65:06 pm -
2 stops33h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$518
This Kissandfly.com deal was found by Cheapflights users on 10/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:55 pm -
1 stop25h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 10/28. 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 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$525
Find flight deals from Boston to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Seoul (SEL). 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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $943 (oojo) |
One-way from | $469 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,502 |
Good round-trip deal | $1,033 or less |
Good one-way deal | $562 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Seoul 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 October 30, 2026.
Use the filters below to find and compare flights from Boston to Seoul 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
Tue 11/17
6:00 am-4:45 pm
1 stop20h 45m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$533
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Wed 11/18
10:55 pm-2:10 pm
1 stop25h 15m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$547
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Fri 11/13
6:09 pm-5:35 pm
2 stops33h 26m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$605
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Mon 4/5
9:50 pm-5:40 pm
1 stop30h 50m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$722
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Mon 11/30
8:00 pm-8:55 am
1 stop22h 55m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$722
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Sun 12/6
12:30 am-9:20 pm
2 stops30h 50m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$735
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Sun 11/15
10:10 pm-1:05 pm
3 stops48h 55m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$741
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Mon 11/9
12:30 am-10:25 pm
3 stops31h 55m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$774
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Tue 1/12
12:00 pm-10:05 pm
1 stop20h 05m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$790
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Wed 12/9
10:24 am-10:05 pm
2 stops21h 41m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$821
Showing 1-10 of 42 resultsSorted by cheapest first
Compare providers for flights from Boston to Seoul
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 Seoul in October.
| 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 Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Boston-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Seoul flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Seoul 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-Seoul 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 Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Boston with our price prediction graph.
BOS-SEL
BOS-ICN
BOS-GMP
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 Seoul
BOS-SEL
BOS-ICN
BOS-GMP
What is the cheapest month to book a flight from Boston to Seoul?
Currently, January is the cheapest month in which you can book a flight from Boston to Seoul (average of $1,274). Flying from Boston to Seoul in December is currently the most expensive (average of $2,072). 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 SEL?
Find hourly flight availability from Boston to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
When flying from Boston to Seoul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Boston to Seoul?
Airfare is below average for this route at the moment.
Boston to Seoul flights typically cost between $1,046 and $2,231 in November.The cheapest round-trip price found within the last 5 days was $943 on Multiple Airlines (Nov 25-Dec 2).
How far ahead should I book a flight from Boston to Seoul?
To ensure you get the cheapest price possible for a flight from Boston to Seoul, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
The best insider tips for Boston to Seoul 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 Seoul trip
Our travel experts
Reviews of airlines servicing Seoul
Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated October 30, 2026.
Read through reviews of airlines operating flights from Boston to Seoul, such as Korean Air,Delta, andCathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.4
Boarding
8.5
Food
8.1
Entertainment
8.2
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Boarding
8.5
Food
8.1
Entertainment
8.2
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Boarding
8.5
Food
8.1
Entertainment
8.2
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Boarding
8.5
Food
8.1
Entertainment
8.2
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Boarding
8.5
Food
8.1
Entertainment
8.2
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Overall
8.4
Boarding
8.5
Food
8.1
Entertainment
8.2
Comfort
8.3
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 Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Search flights from Boston to Seoul by cabin class
Find flights from Boston to Seoul, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Seoul flights
Browse other Boston and Seoul flight options. Last updated on October 30, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seoul
Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Top 9 airlines flying from Boston to Seoul
Discover the top 9 airlines that operate flights from Boston to Seoul. 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$382 | Average$2,252 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$877 | Average$1,196 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$918 | Average$999 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$934 | Average$1,685 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$936 | Average$1,279 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$977 | Average$1,518 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$995 | Average$1,281 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$1,288 | Average$1,963 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$1,546 | Average$2,195 | FlexibilityNo cancel fee | On-time81% |