Cheap Flights from Seoul to Boston from US$592

Frequently Asked Questions

• What are the cheapest flights from Seoul to Boston (SEL-BOS)?

  Based on Trip.com data, T'Way Air offers one-way fares as low as US$592 on Cheapest nonstop routes (e.g. ICN to BOS on Sun, Jun 21), while Turkish Airlines offers Cheapest nonstop round-trips from US$1,296 departing on Thu, Jul 16 and returning on Thu, Jul 23.

• Which airlines offer direct flights from Seoul to Boston?

  At the moment, you can catch a nonstop flight from Seoul to Boston with the following airlines, including: Korean Air Delta Air Lines Asiana Airlines Air China Air Premia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Seoul to Boston?

  It takes about 13 hours 50 minutes to fly from Seoul to Boston.

• When is the best time to book flights from Seoul to Boston?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to Boston is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Seoul to Boston?

  Based on Trip.com data in the past 4 weeks, there is 5 flight per week flying from Seoul to Boston. You can check the weekly schedule for popular airlines on this route below: Korean Air: S/M/T/W/T/F/S -- KE091 (10:13) Delta Air Lines: S/M/T/W/T/F/S -- DL7839 (10:13)

• How can I find the best deals on flights from Seoul to Boston?

  To find best deals on flights from Seoul to Boston, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Jun 21, with one-way flights priced at just US$592.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Korean Air.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Boston travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Seoul (SEL) to Boston (BOS) the cheapest?

  The cheapest months to fly from Seoul to Boston is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Seoul to Boston on?

  After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Seoul to Boston on June 11, 2026 with T'Way Air, with prices starting at US$424.

• Which airports can I fly to for Boston from Seoul?

  You can land at any one of the following hubs in Boston, with Incheon International Airport to Boston Logan International Airport (ICN-BOS) is by far the most common option on this route: Hartford Barnes Airport (BNH) Boston Logan International Airport (BOS) Portsmouth International Airport (PSM).

• Is there any time difference between Seoul and Boston?

  The time difference between Boston and Seoul is 14h.

• How do I change or cancel my ticket from Seoul to Boston?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.