S$1,909 Cheap Flights from Seattle to Guam

Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey from SEA to GUM was S$2,245. Great fares don’t wait forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.

We get that life can throw the odd curveball, so we’ve made it as easy as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SEA to Guam International Airport flights, you’ll see a “no change fees” filter for you to select.

With around 9,100 kilometres separating SeaTac and Barrigada, your flight will be a long one. Pack wisely to make your time on board comfortable. Little things like warm clothes and a good travel pillow should be in your carry-on bag.

At the moment, no airlines offer direct flights from SEA to Guam International Airport. You’ll need to book a flight with at least one stop. To get the best price and connections, lock in your airfare well ahead of time.

Flight prices go up and down like a yo-yo, so not always. While last-minute flight deals between SEA and Guam Intl. Airport are of course possible, it’s also a good idea to keep an eye on prices well before you fly. In fact, some carriers release their prices up to a year prior to the departure date. Expedia is continuously updating the best airfare bargains around, so check back often and be ready to book when the price is low.