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Flights from Guam to Singapore

Find cheap airlines flights from Guam to Singapore

You can choose from 4 airlines that fly from Guam to Singapore, including Philippine Airlines, Jin Air, and Vietnam Airlines. Jin Air has lowest fares on this route.
Philippine Airlines logo Philippine Airlines
Jin Air logo Jin Air
Vietnam Airlines logo Vietnam Airlines
Korean Air logo Korean Air
Airlines are determined based on actual purchased flight tickets from Guam to Singapore according to previous 12 months data from Trip.com.

Find flight deals from Guam to Singapore for the next 3 months. Book one way flights from $145 or round trip flights from $382.

Displayed flight fares from Guam to Singapore are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Guam to Singapore

The distance between Guam and Singapore is approximately 4,697.45 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight price$145
Cheapest round-trip ticket price$382
Off-season for travelOctober
Peak season for travelJanuary
Flight distance4,697.45 km
Popular airlinePhilippine Airlines
Flight statistics for the Guam–Singapore route are based on aggregated booking data from Trip.com over the past 12 months.

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.
  • 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.
  • 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.
  • 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.
  • The cheapest months to fly from Guam to Singapore is October, when demand for travel is lower.
  • 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.
  • 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).
  • The time difference between Singapore and Guam is 2h.
  • 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.

Trip.com airline insights on flights from Guam to Singapore

Which airlines offer the cheapest nonstop flights from Guam to Singapore?

Data is based on the average price of all nonstop flights from Guam to Singapore on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, T'Way Air offers the cheapest nonstop flights from Guam to Singapore, with an average price of $361.

$196
$361
$527
$693
$858
T'Way Air
$361
T'Way Air
Philippine Airlines
$504
Philippine Airlines
Korean Air
$858
Korean Air