Cheap Flights from Guam to Singapore from $145

Frequently Asked Questions

• What are the cheapest flights from Guam to Singapore (GUM-SIN)?

  Based on Trip.com data, Jin Air offers one-way fares as low as $145 on Cheapest nonstop routes (e.g. GUM to SIN on Tue, Mar 10), while Jin Air offers Cheapest nonstop round-trips from $382 departing on Wed, Apr 1 and returning on Tue, Apr 7.

• Which airlines offer direct flights from Guam to Singapore?

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

• When is the best time to book flights from Guam to Singapore?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Guam to Singapore 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.

• How can I find the best deals on flights from Guam to Singapore?

  To find best deals on flights from Guam to Singapore, you can use various tools on Trip.com:
  · 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 $145.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jin Air.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Singapore travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Guam (GUM) to Singapore (SIN) the cheapest?

  The cheapest months to fly from Guam to Singapore is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Guam to Singapore on?

  After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Guam to Singapore on March 10, 2026 with Jin Air, with prices starting at $473.

• Which airports can I fly to for Singapore from Guam?

  You can land at any one of the following hubs in Singapore, with Antonio B. Won Pat International Airport to Singapore Changi Airport (GUM-SIN) is by far the most common option on this route: Singapore Changi Airport (SIN) Seletar Airport (XSP).

• Is there any time difference between Guam and Singapore?

  The time difference between Singapore and Guam is 2h.

• How do I change or cancel my ticket from Guam to Singapore?

  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 booking, 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.