Cheap flights from Las Vegas to Seoul from $373

The cheapest month to fly to Incheon Intl Airport from Las Vegas is in August. Flight prices, which tend to average around $1,183, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of August, then departing from Las Vegas during the month September is also very affordable. Most momondo users find prices during this month for around $1,257.

The cheapest day to depart from Las Vegas to Incheon Intl Airport is on a Wednesday when prices can be found for as low as $974. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,068. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

Fly from Las Vegas Harry Reid Intl to Incheon Intl for the best Las Vegas Harry Reid Intl - Incheon Intl flight prices

You are more likely to see cheaper flights to Incheon Intl Airport from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,505 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Las Vegas for as low as $1,057 on momondo.

There are 3 cabin classes available to choose from on Las Vegas to Incheon Intl Airport 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 41% on your flight if you consider stops on a Las Vegas to Incheon Intl Airport flight.

Cathay Pacific and Delta are the most popular carriers operating from Las Vegas Harry Reid Intl to Incheon Intl

Air Canada, Korean Air and Asiana Airlines are the top three most popular airlines that fly to Incheon Intl Airport from Las Vegas according to our data. Air Canada is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 6 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 5% of flights between Las Vegas and Incheon have experienced a delay on any given week. The average delay length over the past 12 months has been 80 minutes.

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

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday 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 5% of their flights experiencing any sort of delay.

Vancouver (YVR) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

Flights via Seattle (SEA) offer the lowest average round-trip price of $1,646.

Flights connecting via San Francisco (SFO) have the shortest average one-way travel time: 16h 09m.

Seattle (SEA) has the shortest average layover time for this route: 1h 58m.

As of October 2026, 1 flights take off from Las Vegas and land in Incheon Intl Airport each day. The most common flight departure time for this route is 11:00PM, with 100% of daily flights taking off in the evening.

As of October 2026, 13 flights take off from Las Vegas and land in Incheon Intl Airport each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.