$382 Cheap United flights Guam (GUM) to Tokyo (NRT)

Landing cheap one-way United Airlines flights from GUM to NRT from $382 on Expedia is simple — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $332 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

To get affordable flights from GUM to NRT with United Airlines, start searching about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another helpful tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Jetting off from GUM at 12:45PM UTC+10, the earliest United Airlines flight to NRT arrives at 3:35PM UTC+9. Traveling earlier in the day means you'll be less likely to encounter delays.* Prefer to travel later? The last United Airlines flight from GUM to NRT departs at 5:00PM UTC+10 and touches down at 7:55PM UTC+9.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Offering a rewarding loyalty program, United Airlines is a top pick for many passengers heading from GUM to NRT. Plus, if you're a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.