To save up to 28% on this flight, we recommend booking at least 56 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Missouri to Guam from $1,878 1-2 weeks out and tickets from $2,255 for flights departing within the next 72 hours.
The best pricing can be found in the month of March. Prices to Guam from Missouri average $1,872. You can even find prices in March for less than $1,872, as users have found deals to Guam from as low as $1,018. The month of February appears to be one of the more expensive times to travel to Guam from Missouri. Flying in the targeted month can save you up to 7%.