Singapore to Guam $440 Return on Philippine Airlines @ CheapTickets
Philipine Airlines are offering cheap fares to Guam for $450 Return -$10 signup credit at CheapTickets. This is around the cheapest price for fares to Guam. Fares include bags, meals and seats. Dates are February and March, then September to December 2019.
Find all the dates on Skyscanner then plug them into CheapTickets (has to be done separately to apply coupon code).
via Scott’s Cheap Flights