$366+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SEL
Oct 15 — Oct 221
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 September 15, 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 September 15, 2026.
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:55 pm -
1 stop25h 15m
Sun 11/18:35 am -
1 stop26h 25m
Deal found 9/14![Multiple Airlines logo]()
$942
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:55 pm -
1 stop24h 50m
Wed 11/253:00 pm -
1 stop20h 00m
Deal found 9/14![Multiple Airlines logo]()
$948
This oojo deal was found by Cheapflights users on 9/12. 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 9/1311:55 pm -
1 stop31h 15m
Sun 9/203:00 pm -
1 stop20h 00m
Deal found 9/12![Multiple Airlines logo]()
$965
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:55 pm -
1 stop24h 50m
Sun 11/2912:50 pm -
1 stop22h 10m
Deal found 9/14![Multiple Airlines logo]()
$970
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate 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 9/14![Multiple Airlines logo]()
$974
This Booking.com deal was found by Cheapflights users on 9/15. 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 11/1810:55 pm -
1 stop24h 50m
Wed 11/253:00 pm -
1 stop20h 00m
Deal found 9/15![Multiple Airlines logo]()
$976
This FlightHub deal was found by Cheapflights users on 9/12. 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 11/110:55 pm -
1 stop25h 15m
Sun 11/88:35 am -
1 stop26h 25m
Deal found 9/12![Multiple Airlines logo]()
$977
This FlightHub deal was found by Cheapflights users on 9/15. 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 stop24h 50m
Fri 10/303:00 pm -
1 stop20h 00m
Deal found 9/15![Multiple Airlines logo]()
$977
This KAYAK deal was found by Cheapflights users on 9/12. 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 11/2510:55 pm -
1 stop31h 30m
Sun 11/298:20 am -
1 stop26h 40m
Deal found 9/12![Multiple Airlines logo]()
$981
This Gotogate deal was found by Cheapflights users on 9/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:55 pm -
1 stop25h 15m
Wed 11/48:35 am -
1 stop26h 25m
Deal found 9/13![Multiple Airlines logo]()
$985
This Vliegwinkel deal was found by Cheapflights users on 9/13. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:55 pm -
1 stop24h 50m
Wed 11/43:00 pm -
1 stop20h 00m
Deal found 9/13![Multiple Airlines logo]()
$987
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:55 pm -
1 stop25h 15m
Fri 11/208:35 am -
1 stop26h 25m
Deal found 9/10![Multiple Airlines logo]()
$1,000
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 September 15, 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 September 15, 2026.
This oojo deal was found by Cheapflights users on 9/12. 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 11/110:55 pm -
1 stop25h 15m
Fri 11/68:35 am -
1 stop26h 25m
Deal found 9/12![Multiple Airlines logo]()
$942
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:14 am -
2 stops24h 51m
Thu 11/198:15 am -
2 stops22h 21m
Deal found 9/10![Japan Airlines logo]()
$1,346
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/111:10 am -
Nonstop15h 45m
Mon 3/159:10 am -
Nonstop13h 40m
Deal found 9/15![Delta logo]()
$1,604
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Fri 10/96:00 am -
1 stop20h 20m
Sat 11/76:00 pm -
1 stop27h 56m
Deal found 9/12![United Airlines logo]()
$1,718
This oojo deal was found by Cheapflights users on 9/14. 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 10/2811:55 pm -
1 stop25h 15m
Wed 11/48:35 am -
1 stop26h 25m
Deal found 9/14![Multiple Airlines logo]()
$965
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 3/16:00 am -
2 stops26h 05m
Mon 3/158:15 am -
2 stops22h 27m
Deal found 9/13![Japan Airlines logo]()
$1,359
This lastminute.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:14 am -
2 stops24h 51m
Sun 12/1312:05 pm -
1 stop19h 20m
Deal found 9/10![Japan Airlines logo]()
$1,386
This Delta deal was found by Cheapflights users on 9/13. 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 11/1211:10 am -
Nonstop15h 45m
Thu 11/269:10 am -
Nonstop13h 40m
Deal found 9/13![Delta logo]()
$1,604
This Japan Airlines deal was found by Cheapflights users on 9/12. 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 11/87:14 am -
2 stops37h 31m
Wed 11/1112:05 pm -
2 stops43h 03m
Deal found 9/12![Japan Airlines logo]()
$1,395
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:55 pm -
Nonstop15h 30m
Mon 10/269:10 am -
Nonstop13h 40m
Deal found 9/11![Delta logo]()
$1,604
This Japan Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 1/1612:00 pm -
1 stop32h 45m
Thu 1/2812:05 pm -
1 stop19h 30m
Deal found 9/14![Japan Airlines logo]()
$1,401
This Delta deal was found by Cheapflights users on 9/14. 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 11/1211:10 am -
Nonstop15h 45m
Thu 11/199:10 am -
Nonstop13h 40m
Deal found 9/14![Delta logo]()
$1,604
This Japan Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1612:00 pm -
1 stop32h 45m
Sat 1/238:15 am -
1 stop23h 20m
Deal found 9/10![Japan Airlines logo]()
$1,408
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:40 am -
1 stop21h 45m
Mon 10/199:30 am -
Nonstop13h 40m
Deal found 9/15![Delta logo]()
$1,608
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2511:10 am -
Nonstop15h 45m
Fri 2/59:10 am -
Nonstop13h 40m
Deal found 9/11![Delta logo]()
$1,654
This Delta deal was found by Cheapflights users on 9/13. 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 11/1911:10 am -
Nonstop15h 45m
Tue 12/19:10 am -
Nonstop13h 40m
Deal found 9/13![Delta logo]()
$2,104
This Delta deal was found by Cheapflights users on 9/13. 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 9/2712:55 pm -
Nonstop15h 30m
Sun 10/49:30 am -
Nonstop13h 40m
Deal found 9/13![Delta logo]()
$2,684
Last-minute flights from Boston to SeoulDiscover last-minute flight deals from Boston to Seoul. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Seoul. Data last updated September 15, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Tue 9/156:00 am -
2 stops25h 10m
Tue 9/292:40 pm -
3 stops32h 10m
Deal found 9/14![Multiple Airlines logo]()
$1,025
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/26:30 pm -
2 stops46h 00m
Tue 10/138:45 pm -
1 stop33h 55m
Deal found 9/12![Multiple Airlines logo]()
$1,036
This FlightHub deal was found by Cheapflights users on 9/11. 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 10/1811:55 pm -
1 stop31h 15m
Fri 10/233:00 pm -
1 stop20h 00m
Deal found 9/11![Multiple Airlines logo]()
$1,022
This FlightHub deal was found by Cheapflights users on 9/11. 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 10/1811:55 pm -
1 stop29h 35m
Fri 10/238:20 am -
1 stop26h 40m
Deal found 9/11![Multiple Airlines logo]()
$1,022
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:55 pm -
1 stop31h 15m
Wed 11/48:35 am -
1 stop26h 25m
Deal found 9/10![Multiple Airlines logo]()
$1,010
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:55 pm -
1 stop24h 45m
Wed 11/412:50 pm -
1 stop22h 10m
Deal found 9/14![Multiple Airlines logo]()
$1,040
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:55 pm -
1 stop25h 15m
Sun 11/18:35 am -
1 stop26h 25m
Deal found 9/14![Multiple Airlines logo]()
$942
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate 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 9/14![Multiple Airlines logo]()
$974
This FlightHub deal was found by Cheapflights users on 9/15. 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 stop24h 50m
Fri 10/303:00 pm -
1 stop20h 00m
Deal found 9/15![Multiple Airlines logo]()
$977
This Tourvis deal was found by Cheapflights users on 9/15. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:55 pm -
1 stop24h 50m
Sun 11/18:20 am -
1 stop26h 40m
Deal found 9/15![Multiple Airlines logo]()
$1,012
This oojo deal was found by Cheapflights users on 9/14. 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 10/2811:55 pm -
1 stop25h 15m
Wed 11/48:35 am -
1 stop26h 25m
Deal found 9/14![Multiple Airlines logo]()
$965
This Vliegwinkel deal was found by Cheapflights users on 9/13. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:55 pm -
1 stop24h 50m
Wed 11/43:00 pm -
1 stop20h 00m
Deal found 9/13![Multiple Airlines logo]()
$987
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 September 15, 2026.
Search for one-way flight options from Boston to Seoul. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Super.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:30 pm -
1 stop35h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![WestJet logo]()
$366
This Ovago deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:30 pm -
1 stop35h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![WestJet logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/176:30 pm -
1 stop35h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![WestJet logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/2010:05 am -
2 stops43h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/2110:05 am -
2 stops43h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 stops42h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$400
This Mytrip deal was found by Cheapflights users on 9/11. 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 10/245:50 am -
2 stops23h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$406
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo 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 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$517
This Expedia deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:55 pm -
1 stop25h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$536
This FlightHub deal was found by Cheapflights users on 9/11. 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 10/1811:55 pm -
1 stop31h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$566
This Justfly.com deal was found by Cheapflights users on 9/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:55 pm -
1 stop31h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$596
This FlightHub deal was found by Cheapflights users on 9/13. 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 10/216:15 am -
2 stops39h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![China Eastern logo]()
$671
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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $942 (oojo) |
One-way from | $366 (Super.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,430 |
Good round-trip deal | $986 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 September 15, 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
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Sun 11/1
10:55 pm-2:10 pm
1 stop25h 15m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$517
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Sun 10/25
11:55 pm-2:10 pm
1 stop25h 15m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$536
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Mon 9/21
6:00 am-9:15 pm
2 stops26h 15m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$680
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Mon 11/9
12:30 am-9:20 am
3 stops42h 50m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$716
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
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$724
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Sat 11/28
5:15 pm-1:05 pm
3 stops29h 50m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$724
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Fri 10/16
7:30 pm-8:15 am
3 stops47h 45m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$739
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Fri 12/4
10:10 pm-1:05 pm
3 stops48h 55m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$740
BostonIncheon
BOS Boston Logan Intl - ICN Incheon Intl
BOSICN
Boston Logan Intl
Mon 2/22
8:00 pm-6:20 pm
1 stop32h 20m
Incheon Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$752
BostonSeoul
BOS Boston Logan Intl - GMP Seoul Gimpo Intl
BOSGMP
Boston Logan Intl
Sat 10/17
9:45 pm-12:25 pm
3 stops49h 40m
Seoul Gimpo Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$772
Showing 1-10 of 33 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 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 Accuracy- | Trust Score*1 star | |
| 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, October is the cheapest month in which you can book a flight from Boston to Seoul (average of $1,245). Flying from Boston to Seoul in December is currently the most expensive (average of $2,112). 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 September 15, 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.
Weekly flight availability from Boston to Seoul
Explore weekly flight availability from Boston to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2026.
The most flights from BOS to SEL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
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 $1,090 and $2,287 in October.The cheapest round-trip price found within the last 5 days was $942 on Multiple Airlines (Oct 25-Nov 1).
What’s the top layover airport for flights from Boston to Seoul?
Share of 1-stop round-trip flights from Boston to Seoul chosen by Cheapflights users in the past 12 months, using the same layover each way.
Istanbul (IST) – chosen by Cheapflights users on 50% of 1-stop itineraries from Boston to Seoul on Cheapflights.
What’s the cheapest layover airport for flights from Boston to Seoul?
Average round-trip fare for 1-stop flights from Boston to Seoul, chosen by Cheapflights users in the past 12 months, with the same layover each way.
San Francisco (SFO) is the most affordable 1-stop option, with an average round-trip price of $872.
What’s the fastest layover option from Boston to Seoul?
Shortest average travel time for 1-stop one-way flights from Boston to Seoul, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 21h 50m.
Which airport typically offers the quickest layover for flights from Boston to Seoul?
Average layover duration for 1-stop one-way flights from Boston to Seoul, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 1h 43m.
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 September 15, 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.
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
Entertainment
8.2
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Comfort
8.3
Crew
8.7
Overall
8.4
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 Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Boston to Seoul
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Complete your trip
Complete your trip to Seoul by adding a car rental and/or hotel reservation to your travel itinerary.
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 September 15, 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 September 15, 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 September 15, 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 September 15, 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$881 | Average$1,196 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$904 | Average$1,626 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$915 | Average$1,262 | FlexibilityNo cancel fee | On-time71% | |
| 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$2,141 | FlexibilityNo cancel fee | On-time81% |