Cheap flights from Boston to South Korea from $427

If you aren’t able to travel to South Korea during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $377.

On average, the least expensive day to fly to South Korea from Boston is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,027. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boston to South Korea for around $1,244.

Flying to South Korea from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $739 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,090 on average. Flights to South Korea from Boston in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to South Korea from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,560 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from Boston for as low as $1,123 on momondo.

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

China Eastern, WestJet, and Japan Airlines are the most popular carriers operating from Boston Logan Intl to South Korea

Korean Air, Air Canada and Delta are the top three most popular airlines that fly to South Korea from Boston according to our data. Korean Air is the first choice among our users, with 28% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 8 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

Historically, on average around 29% of flights between Boston and South Korea have experienced a delay on any given week. The average delay length over the past 12 months has been 100 minutes.

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

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday 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 29% of their flights experiencing any sort of delay.

As of June 2026, 2 flights take off from Boston and land in South Korea each day. The most common flight departure time for this route is 12:00PM, with 100% of daily flights taking off in the afternoon.

As of June 2026, there are 14 flights per week flying from Boston to South Korea. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.