฿33,645 Cheap United flights from Boston to Seoul (BOS→ICN)

View ฿33,645 flight on Wed, 22 Apr 2026Opens in a new window

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

United flights from Boston to Seoul (BOS→ICN)

Prices were available within the past 7 days and start at ฿33,645 for one-way flights and ฿68,250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 13 May - Fri, 28 Aug
BOS
Boston
ICN
Seoul
฿68,250 Return, found 1 day ago
฿68,250
Return
found 1 day ago
Select United flight, departing Wed, 13 May from Boston to Seoul, returning Fri, 28 Aug, priced at ฿68,250 found 1 day ago

Find the cheapest month to fly from Boston (BOS) to Seoul (ICN)

September is typically the cheapest month to fly

From ฿25,602 - ฿45,895 per traveller.

Frequently asked questions

How much is a United Airlines flight from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
Use the "Price (lowest to highest)" filter on Expedia to search for cheap United Airlines round-trip flights from ฿68,250 from BOS to ICN. Affordable one-way tickets from ฿33,645 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BOS to ICN with United Airlines?
Search for return or one-way flights to Seoul in January or February. You could find a cheap fare with United Airlines during these quieter months.
Does United Airlines fly nonstop from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
To see if there's a direct trip from BOS to ICN with United Airlines or another airline, use our "Nonstop" filter when searching for flights.
What airports does United Airlines fly into in Seoul?
Jump on a United Airlines flight from Logan Intl. Airport (BOS) to Seoul, and you'll probably come in to Incheon Intl. Airport (ICN). This is the airline's main hub in this destination.
Can I change or cancel my United Airlines flight from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
Changes are generally free within 24 hours of making a booking, but your airline may charge a fee after that time. For more details about modifying your flights, check out your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your plans without being charged, apply the "Changes included" or "No cancel fee" filter when planning your trip.

Travel information

Origin airport
Logan Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, American Airlines, Cathay Pacific, Delta, KLM, Korean Air, Lufthansa, United, WestJet
Popular airline
American Airlines
Distance
10900 km
Average flight time
14 hours 35 mins
*Available to Expedia members.