฿29,720 Cheap Delta flights from Boston to Seoul (BOS→ICN)

View ฿29,720 flight on Thu, 30 Oct 2025Opens in a new window
    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

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

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Delta flights from Boston to Seoul (BOS→ICN)

Prices were available within the past 7 days and start at ฿29,720 for one-way flights and ฿51,250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 18 Nov - Mon, 1 Dec
BOS
Boston
ICN
Seoul
฿51,250 Return, found 15 hours ago
฿51,250
Return
found 15 hours ago
Select Delta flight, departing Tue, 18 Nov from Boston to Seoul, returning Mon, 1 Dec, priced at ฿51,250 found 15 hours ago
Flight from Boston to Seoul route information
Origin airport
Logan Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air France, American Airlines, Asiana Airlines, Cathay Pacific, Delta, Emirates, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United, WestJet
Popular airline
Cathay Pacific
Distance
10900 km
Average flight time
14 hours 30 mins

Frequently asked questions

How much is a Delta Air Lines flight from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
Scoring cheap one-way Delta Air Lines flights from BOS to ICN from ฿29,720 on Expedia is a breeze — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from ฿51,250 for your next break.**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 Delta Air Lines?
Search for round-trip or one-way flights to Seoul in January or February. You could find an affordable fare with Delta Air Lines during these quieter months.
Does Delta Air Lines fly nonstop from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
Enter your dates, press search and use the "Nonstop" filter on Expedia to browse any direct flights from BOS to ICN with Delta Air Lines or another airline.
What airports does Delta Air Lines fly into in Seoul?
Delta Air Lines flights from Logan Intl. Airport (BOS) to Seoul come in to Incheon Intl. Airport (ICN). This is the main gateway to this city.
What type of plane does Delta Air Lines fly from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
Set off on a Delta Air Lines flight from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN), and you'll likely be flying on a Boeing 777-300ER. Keep in mind though, that the aircraft type can change depending on operational requirements.
Can I change or cancel my Delta Air Lines flight from Logan Intl. Airport (BOS) to Incheon Intl. Airport (ICN)?
Depending on the ticket type you purchased, a fee may apply if you cancel or reschedule your booking more than 24 hours after it has been confirmed. To secure flexible plane tickets, select our "Changes included" and "No cancel fee" boxes when searching for flights. For additional information on cancelling or modifying your reservation, go to "Trips," select your flight and tick "Manage Booking."
*Available to Expedia members.