Cheap flights from Incheon Intl Airport to Tamuning from $128

The month of May is, on average, the cheapest month to fly to Tamuning from Incheon Intl Airport, with most prices found around $166. If you aren’t able to travel during the month of May, then book flights to Tamuning from Incheon Intl Airport during September instead. Flights to Tamuning in September, while not as cheap as those in May, still average around $169.

The cheapest day to depart from Incheon Intl Airport to Tamuning is on a Monday. Travelers who choose to depart for Tamuning on a Monday will often find tickets for as low as $181. The most expensive day to fly to Tamuning is Sunday, with ticket prices averaging around $267.

Our most recent data shows that the best time of day to fly to Tamuning is in the evening. Flights from Incheon Intl Airport to Tamuning during this time can be as low as $173. Flights in the morning are often more expensive with an average ticket price of $246.

Fly from Incheon Intl to Tamuning Guam Intl for the best Incheon Intl - Tamuning Guam Intl flight prices

You are more likely to see cheaper flights to Tamuning from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Tamuning for around $254 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tamuning from Incheon Intl Airport for as low as $170 on momondo.

There are 2 cabin classes available to choose from on Incheon Intl to Tamuning Guam Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Jin Air and Air Seoul are the most popular carriers operating from Incheon Intl to Tamuning Guam Intl

Jin Air, Korean Air and Jeju Air are the top three most popular airlines that fly to Tamuning from Incheon Intl Airport according to our data. Jin Air is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Tamuning. Keep in mind that there are 5 different airlines that fly to Tamuning on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Incheon and Tamuning have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

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

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

According to our data, T'way Air have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

As of April 2026, 6 flights take off from Incheon Intl Airport and land in Tamuning each day. The most common flight departure time for this route is 6:00PM, with 68% of daily flights taking off in the evening.

As of April 2026, there are 43 flights per week flying from Incheon Intl Airport to Tamuning. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.