The cheapest times to fly from GUM to GEG are

  • January 22nd to May 20th (except the weeks of March 12th and March 19th)
  • October 8th to December 2nd (except the week of November 12th)

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 GEG is early to mid October. Prices can be as high as $1802 for Saturday flights during early to mid December, or as low as $1335 for Tuesday flights around early to mid October.


When to Fly to Spokane

Flying from Guam, GU (GUM) to Spokane, WA (GEG) will usually cost between $1339 to $1646 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid October with an average ticket price of $1339. Due to high demand the most expensive time to fly is early to mid December, with an average price of $1642. Planning your trip to low-cost times can easily save you $303 on economy flights and even more on first-class flights. Generally, any price below $1446 can be considered a good price for a round-trip GUM to GEG flight.

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

GUM to GEG Flight Prices

Compared to other flights, the GUM to GEG flight is slightly more expensive than the average and costs about as much as the average flight leaving from Guam. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to GEG, and Thursday the cheapest day to fly back into GUM. Saturdays are the most expensive days to fly to Spokane, and Fridays are the most expensive days to return to Guam. Selecting flights on the least expensive days could save you up to $98 (6%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1408. Return trip prices are from the GEG 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 GEG can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 34 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from GUM to GEG while comparing.

Destination alternative #1: Tri Cities Airport (PSC) in Pasco/Kennewick/Richland, WA

  • 120 miles (193 km) away from GEG
  • Usually 0.48% less expensive than GEG
  • 2-layover flights available

See GUM to PSC flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 5 major airlines flying this route most often: American, Delta, Korean Air, United, WestJet, and potentially more during busy seasons.

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

The distance between the two airports is roughly 5881 miles or 9465 kilometers.

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

The real-world flight time for a nonstop GUM to GEG flight is about 11 hour 34 minutes.

How many flights go between Guam, GU and Spokane, WA?

It depends on the day of the week and the date, but a typical day might have around 11 available flights from GUM to GEG.


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 GEG
Destination airport name Spokane International Airport
City Spokane, WA
Country the United States
Latitude 47.6
Longitude -117.5


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.