GUM to TYO, Antonio B. Won Pat International Airport to Cheap Flights

Based on HopeGoo data, Air Seoul offers one-way fares as low as US$164 on Cheapest nonstop routes (e.g. GUM to NRT on Tue, Mar 10), while Philippine Airlines offers Cheapest nonstop round-trips from US$277 departing on Fri, Mar 20 and returning on Mon, Mar 23.

At the moment, you can catch a nonstop flight from Guam to Tokyo with the following airlines, including: United Airlines Jin Air Japan Airlines Selected airlines are based on historical data collected from flight bookings users made on HopeGoo within the last 90 days.

It takes about 3 hours 52 minutes to fly from Guam to Tokyo.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Guam to Tokyo is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on HopeGoo data in the past 4 weeks, there is 25 flight per week flying from Guam to Tokyo. You can check the weekly schedule for popular airlines on this route below: Japan Airlines: S/M/T/W/T/F/S -- JL942 (16:58)

To find best deals on flights from Guam to Tokyo, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Mar 10, with one-way flights priced at just US$164. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Tokyo travel is around January. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Guam to Tokyo is August, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Guam to Tokyo on February 25, 2026 with Philippine Airlines, with prices starting at US$292.

You can land at any one of the following hubs in Tokyo, with Antonio B. Won Pat International Airport to Narita International Airport (GUM-NRT) is by far the most common option on this route: Haneda Airport (HND) Narita International Airport (NRT).

The time difference between Tokyo and Guam is 1h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.