Cheap flights from Seoul to Tamuning from $135

The month of May is, on average, the cheapest month to fly to Tamuning from Seoul, with most prices found around $172. If you aren’t able to travel during the month of May, then book flights to Tamuning from Seoul during September instead. Flights to Tamuning in September, while not as cheap as those in May, still average around $174.

The cheapest day to depart from Seoul to Tamuning is on a Monday. Travelers who choose to depart for Tamuning on a Monday will often find tickets for as low as $176. The most expensive day to fly to Tamuning is Sunday, with ticket prices averaging around $264.

Our most recent data shows that the best time of day to fly to Tamuning is in the evening. Flights from Seoul 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 $226.

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

You are more likely to see cheaper flights to Tamuning from Seoul 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 Seoul for as low as $170 on momondo.

There are 2 cabin classes available to choose from on Seoul 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.

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

Jin Air, Korean Air and Jeju Air are the top three most popular airlines that fly to Tamuning from Seoul according to our data. Jin Air is the first choice among our users, with 48% 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 0% of flights between Seoul and Tamuning have experienced a delay on any given week. The average delay length over the past 12 months has been 0 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.

As of April 2026, 6 flights take off from Seoul and land in Tamuning each day. The most common flight departure time for this route is 6:00PM, with 76% of daily flights taking off in the evening.

As of April 2026, 47 flights take off from Seoul and land in Tamuning each week. The most common flight departure day for this route is Fri, with 19% of weekly flights taking off on this day.