Cheap flights from South Korea to Boston from $491

In general, November is the cheapest month to fly from South Korea to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $729. If you aren’t able to travel during the month of November, then book flights to Boston from South Korea during December instead. Flights to Boston in December, while not as cheap as those in November, still average around $808.

The cheapest day to depart from South Korea to Boston is on a Tuesday when prices can be found for as low as $1,309. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Friday is $1,567.

Fly from Incheon Intl to Boston Logan Intl for the best South Korea - Boston Logan Intl flight prices

You are more likely to see cheaper flights to Boston from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $1,201 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from South Korea for as low as $800 on momondo.

There are 3 cabin classes available to choose from on South Korea to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 66% on your flight if you consider stops on a South Korea to Boston flight.

Japan Airlines, Cathay Pacific, and Korean Air are the most popular carriers operating from South Korea to Boston Logan Intl

Korean Air, Air Canada and Delta are the top three most popular airlines that fly to Boston from South Korea according to our data. Korean Air is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 4 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% of flights between South Korea and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 75 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Korean Air have had the least number of delays on this route over the last 12 months; with about 24% of their flights experiencing any sort of delay.

As of March 2026, 4 flights take off from South Korea and land in Boston each week. The most common flight departure day for this route is Fri, with 50% of weekly flights taking off on this day.

Flight times from South Korea to Boston vary, but if you’re flying out of Incheon and flying into Boston (one of the most popular routes), then the duration is 13h 30m on average. Another popular route from South Korea to Boston is flying from Busan to Boston, which will take roughly 16h 10m. Keep in mind that layovers or delays could extend your travel time.