Trip.com
>
Flights
>
Flights to Australia
>
Flights to New South Wales
>
Flights to Sydney
Hotels in Sydney
>
Flights from Guam to Sydney

Find flight deals from Guam to Sydney for the next 3 months. Book one way flights from $469 or round trip flights from $990.

      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Sat, Jul 4 | Philippine Airlines
        SYD 11:15 AM
        17h 5m
        1 stop
        GUM 4:20 AM
        Sydney - Guam | Thu, Jul 9 | Cebu Pacific
        $990 $1,407
        30% off
        30% off
        $1,407 $990
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Fri, Jul 3 | Philippine Airlines
        SYD 11:15 AM
        17h 5m
        1 stop
        GUM 4:20 AM
        Sydney - Guam | Thu, Jul 9 | Cebu Pacific
        $990 $1,407
        30% off
        30% off
        $1,407 $990
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Thu, Jul 2 | Philippine Airlines
        SYD 11:15 AM
        17h 5m
        1 stop
        GUM 4:20 AM
        Sydney - Guam | Thu, Jul 9 | Cebu Pacific
        $990 $1,407
        30% off
        30% off
        $1,407 $990
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Mon, May 18 | Philippine Airlines
        SYD 11:15 AM
        17h 5m
        1 stop
        GUM 4:20 AM
        Sydney - Guam | Fri, May 22 | Cebu Pacific
        $1,033
        27% off
        $1,407 $1,033
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Fri, Jul 10 | Philippine Airlines
        SYD 11:15 AM
        17h 5m
        1 stop
        GUM 4:20 AM
        Sydney - Guam | Fri, Jul 17 | Cebu Pacific
        $1,046
        26% off
        $1,407 $1,046
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Thu, Jul 9 | Philippine Airlines
        SYD 11:15 AM
        17h 5m
        1 stop
        GUM 4:20 AM
        Sydney - Guam | Thu, Jul 16 | Cebu Pacific
        $1,046
        26% off
        $1,407 $1,046
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Tue, Jul 7 | Philippine Airlines
        SYD 11:15 AM
        17h 5m
        1 stop
        GUM 4:20 AM
        Sydney - Guam | Mon, Jul 13 | Cebu Pacific
        $1,068
        24% off
        $1,407 $1,068
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Wed, Jul 8 | Philippine Airlines
        SYD 11:15 AM
        17h 5m
        1 stop
        GUM 4:20 AM
        Sydney - Guam | Mon, Jul 13 | Cebu Pacific
        $1,077
        23% off
        $1,407 $1,077
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Mon, Jul 6 | Philippine Airlines
        SYD 11:15 AM
        17h 5m
        1 stop
        GUM 4:20 AM
        Sydney - Guam | Mon, Jul 13 | Cebu Pacific
        $1,087
        23% off
        $1,407 $1,087
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Wed, Jul 15 | Philippine Airlines
        SYD 11:15 AM
        17h 5m
        1 stop
        GUM 4:20 AM
        Sydney - Guam | Wed, Jul 22 | Cebu Pacific
        $1,111
        21% off
        $1,407 $1,111
      • GUM 1:00 PM
        17h 25m
        1 stop
        SYD 2:00 PM
        Guam - Sydney | Tue, May 19 | Normal Airline
        SYD 3:00 PM
        6h
        Nonstop
        GUM 4:00 PM
        Sydney - Guam | Thu, May 21 | Normal Airline
        Find more flights
        Find more flights
      • GUM 12:50 AM
        32h 15m
        1 stop
        SYD 9:05 AM
        Guam - Sydney | Fri, Jun 5 | Jin Air
        $469 $849
        45% off
        45% off
        $849 $469
      • GUM 12:50 AM
        32h 15m
        1 stop
        SYD 9:05 AM
        Guam - Sydney | Mon, May 25 | Jin Air
        $511 $849
        40% off
        40% off
        $849 $511
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Wed, May 20 | Philippine Airlines
        $544 $849
        36% off
        36% off
        $849 $544
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Thu, May 28 | Philippine Airlines
        $595
        30% off
        $849 $595
      • GUM 12:50 AM
        32h 15m
        1 stop
        SYD 9:05 AM
        Guam - Sydney | Mon, Jun 8 | Jin Air
        $596
        30% off
        $849 $596
      • GUM 2:00 AM
        31h 5m
        1 stop
        SYD 9:05 AM
        Guam - Sydney | Mon, May 25 | Korean Air
        $597
        30% off
        $849 $597
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Tue, May 26 | Philippine Airlines
        $607
        28% off
        $849 $607
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Fri, May 29 | Philippine Airlines
        $613
        28% off
        $849 $613
      • GUM 12:50 AM
        32h 15m
        1 stop
        SYD 9:05 AM
        Guam - Sydney | Sat, Jun 13 | Jin Air
        $614
        28% off
        $849 $614
      • GUM 6:00 AM
        27h 45m
        1 stop
        SYD 9:45 AM
        Guam - Sydney | Sun, May 31 | Philippine Airlines
        $670
        21% off
        $849 $670
      • GUM 1:00 PM
        17h 25m
        1 stop
        SYD 2:00 PM
        Guam - Sydney | Tue, May 19 | Normal Airline
        Find more flights
        Find more flights

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

Frequently Asked Questions

  • What are the cheapest flights from Guam to Sydney (GUM-SYD)?

    Based on Trip.com data, Jin Air offers one-way fares as low as $469 on Cheapest nonstop routes (e.g. GUM to SYD on Fri, Jun 5), while Philippine Airlines offers Cheapest nonstop round-trips from $990 departing on Sat, Jul 4 and returning on Thu, Jul 9.
  • At the moment, you can catch a nonstop flight from Guam to Sydney with the following airlines, including: Philippine 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 Sydney 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 Sydney, 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 Fri, Jun 5, with one-way flights priced at just $469.
    · 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 Sydney travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Guam to Sydney is December, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Guam to Sydney on May 17, 2026 with Philippine Airlines, with prices starting at $983.
  • You can land at any one of the following hubs in Sydney, with Antonio B. Won Pat International Airport to Sydney Airport (GUM-SYD) is by far the most common option on this route: Sydney Airport (SYD) Western Sydney International Airport (WSI).
  • The time difference between Sydney and Guam is 0h.
  • 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.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.