The cheapest times to fly from GUM to PUS are

  • January 29th to March 18th
  • July 23rd to December 9th (except the week of July 30th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from GUM to PUS is late September. Prices can be as high as $1171 for Sunday flights during late April, or as low as $285 for Friday flights around late September.


When to Fly to Busan

Flying from Guam, GU (GUM) to Busan (PUS) will usually cost between $325 to $935 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $326. Due to high demand the most expensive time to fly is late April, with an average price of $904. Planning your trip to low-cost times can easily save you $578 on economy flights and even more on first-class flights. Generally, any price below $651 can be considered a good price for a round-trip GUM to PUS flight.

See below for a graph of average weekly prices for the GUM to PUS route. All prices are for round-trip tickets in USD.

GUM to PUS Flight Prices

Compared to other flights, the GUM to PUS flight is cheaper than the average and costs much less than the average flight leaving from Guam. The average price per mile (for a direct flight) is $0.23, which is below average.


Flight Prices by Day of the Week

Friday is usually the cheapest day to fly to PUS, and Tuesday the cheapest day to fly back into GUM. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $97 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Friday and returning a week later will cost an average of $595. Return trip prices are from the PUS to GUM flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from GUM to PUS can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 4 hour 13 minutes may be realistic.


Flight Hacking GUM to PUS

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from GUM to PUS — but Champion Traveler does!

Hack #1: Saipan, MP (GUM > SPN > PUS)

  • Price for both tickets: $563
  • Average savings: $88 (13.52%)

See GUM to SPN flights


Flight Questions Answered

Still have questions about flying from GUM to PUS? We’ve got answers.

Which airlines fly this route?

You can find 16 major airlines flying this route most often: Air Busan, ANA, Asiana, Cathay Dragon, Cathay Pacific, China Airlines, Delta, EVA Air, Hawaiian, JAL, Jeju Air, Jin Air, Korean Air, Philippine Airlines, T’Way Air, United, and potentially more during busy seasons.

How far away is it from Gimhae International Airport to Guam International Airport?

The distance between the two airports is roughly 1795 miles or 2889 kilometers.

How long does it take to fly from GUM to PUS?

The real-world flight time for a nonstop GUM to PUS flight is about 4 hour 13 minutes.

How many flights go between Guam, GU and Busan?

It depends on the day of the week and the date, but a typical day might have around 75 available flights from GUM to PUS.


Airport Location Info


Departing Airport

Origination code GUM
Origination airport name Guam International Airport
City Guam, GU
Country the United States
Latitude 13.5
Longitude 144.8

Return Airport

Destination code PUS
Destination airport name Gimhae International Airport
City Busan
Country South Korea
Latitude 35.2
Longitude 128.9


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.