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Cheap Flights from Guam to Singapore

Explore the cheapest flights from Guam to Singapore in the next three months. Based on Trip.com's data from the latest 7 days, one-way fares start at S$ 247, and round-trip tickets start at S$ 687.

      • GUM 04:40
        14h 20m
        1 stop
        SIN 17:00
        Guam - Singapore | Thu, May 21 | Jin Air
        SIN 02:15
        23h 20m
        1 stop
        GUM 03:35
        Singapore - Guam | Mon, May 25 | Scoot
        S$ 687 S$ 1,048
        34% off
        34% off
        S$ 1,048 S$ 687
      • GUM 04:40
        21h
        1 stop
        SIN 23:40
        Guam - Singapore | Tue, Jun 16 | Jin Air
        SIN 00:50
        24h 45m
        1 stop
        GUM 03:35
        Singapore - Guam | Thu, Jun 18 | Jeju Air
        S$ 750 S$ 1,048
        28% off
        28% off
        S$ 1,048 S$ 750
      • GUM 00:50
        17h 35m
        1 stop
        SIN 16:25
        Guam - Singapore | Tue, Jun 9 | Jin Air
        SIN 02:15
        19h 30m
        1 stop
        GUM 23:45
        Singapore - Guam | Mon, Jun 15 | Scoot
        S$ 755 S$ 1,048
        28% off
        28% off
        S$ 1,048 S$ 755
      • GUM 00:50
        17h 35m
        1 stop
        SIN 16:25
        Guam - Singapore | Tue, May 19 | Jin Air
        SIN 02:15
        19h 30m
        1 stop
        GUM 23:45
        Singapore - Guam | Tue, May 26 | Scoot
        S$ 762
        27% off
        S$ 1,048 S$ 762
      • GUM 02:00
        23h 40m
        1 stop
        SIN 23:40
        Guam - Singapore | Sat, May 30 | Air Seoul
        SIN 20:00
        30h 20m
        1 stop
        GUM 04:20
        Singapore - Guam | Wed, Jun 3 | Philippine Airlines
        S$ 788
        25% off
        S$ 1,048 S$ 788
      • GUM 00:50
        22h 40m
        1 stop
        SIN 21:30
        Guam - Singapore | Mon, May 25 | Jin Air
        SIN 14:30
        11h 50m
        1 stop
        GUM 04:20
        Singapore - Guam | Thu, May 28 | Philippine Airlines
        S$ 812
        23% off
        S$ 1,048 S$ 812
      • GUM 02:50
        22h 35m
        1 stop
        SIN 23:25
        Guam - Singapore | Thu, May 28 | Jin Air
        SIN 14:30
        11h 50m
        1 stop
        GUM 04:20
        Singapore - Guam | Thu, Jun 4 | Philippine Airlines
        S$ 822
        22% off
        S$ 1,048 S$ 822
      • GUM 02:50
        22h 35m
        1 stop
        SIN 23:25
        Guam - Singapore | Wed, May 27 | Jin Air
        SIN 14:30
        11h 50m
        1 stop
        GUM 04:20
        Singapore - Guam | Tue, Jun 2 | Philippine Airlines
        S$ 836
        20% off
        S$ 1,048 S$ 836
      • GUM 02:50
        22h 35m
        1 stop
        SIN 23:25
        Guam - Singapore | Fri, Jun 12 | Jin Air
        SIN 20:00
        30h 20m
        1 stop
        GUM 04:20
        Singapore - Guam | Wed, Jun 17 | Philippine Airlines
        S$ 855
        18% off
        S$ 1,048 S$ 855
      • GUM 04:40
        21h
        1 stop
        SIN 23:40
        Guam - Singapore | Wed, Jun 10 | Jin Air
        SIN 00:50
        24h 45m
        1 stop
        GUM 03:35
        Singapore - Guam | Sat, Jun 13 | Jeju Air
        S$ 859
        18% off
        S$ 1,048 S$ 859
      • GUM 13:00
        17h 25m
        1 stop
        SIN 14:00
        Guam - Singapore | Mon, May 18 | Normal Airline
        SIN 15:00
        6h
        Direct
        GUM 16:00
        Singapore - Guam | Wed, May 20 | Normal Airline
        Find more flights
        Find more flights
      • GUM 04:40
        13h 45m
        1 stop
        SIN 16:25
        Guam - Singapore | Tue, May 19 | Jin Air
        S$ 247 S$ 450
        45% off
        45% off
        S$ 450 S$ 247
      • GUM 04:40
        21h
        1 stop
        SIN 23:40
        Guam - Singapore | Sat, May 30 | Jin Air
        S$ 266 S$ 450
        41% off
        41% off
        S$ 450 S$ 266
      • GUM 04:40
        21h
        1 stop
        SIN 23:40
        Guam - Singapore | Fri, May 29 | Jin Air
        S$ 281 S$ 450
        38% off
        38% off
        S$ 450 S$ 281
      • GUM 00:50
        22h 40m
        1 stop
        SIN 21:30
        Guam - Singapore | Thu, May 21 | Jin Air
        S$ 311
        31% off
        S$ 450 S$ 311
      • GUM 04:40
        21h
        1 stop
        SIN 23:40
        Guam - Singapore | Wed, Jun 17 | Jin Air
        S$ 311
        31% off
        S$ 450 S$ 311
      • GUM 04:40
        21h
        1 stop
        SIN 23:40
        Guam - Singapore | Tue, Jun 16 | Jin Air
        S$ 333
        26% off
        S$ 450 S$ 333
      • GUM 04:40
        13h 45m
        1 stop
        SIN 16:25
        Guam - Singapore | Tue, Jul 7 | Jin Air
        S$ 336
        25% off
        S$ 450 S$ 336
      • GUM 00:50
        22h 40m
        1 stop
        SIN 21:30
        Guam - Singapore | Sat, Jun 6 | Jin Air
        S$ 353
        22% off
        S$ 450 S$ 353
      • GUM 04:40
        14h 20m
        1 stop
        SIN 17:00
        Guam - Singapore | Thu, Jul 9 | Jin Air
        S$ 367
        18% off
        S$ 450 S$ 367
      • GUM 00:50
        24h 50m
        1 stop
        SIN 23:40
        Guam - Singapore | Thu, May 28 | Jin Air
        S$ 369
        18% off
        S$ 450 S$ 369
      • GUM 13:00
        17h 25m
        1 stop
        SIN 14:00
        Guam - Singapore | Mon, May 18 | Normal Airline
        Find more flights
        Find more flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Guam (GUM) to Singapore (SIN)?

    Based on Trip.com data, Jin Air offers one-way fares as low as S$ 247 on Cheapest nonstop routes (e.g. GUM to SIN on Tue, May 19), while Jin Air offers Cheapest nonstop round-trips from S$ 687 departing on Thu, May 21 and returning on Mon, May 25.
  • At the moment, several airlines serve connecting flights from Guam to Singapore, including: Philippine Airlines Selected airlines are based on historical data collected from flight bookings made by users 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, May 19, with one-way flights priced at just S$ 247.
    · 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 May flight calendar, it's currently cheapest to fly from Guam to Singapore on May 20, 2026 with Jin Air, with prices starting at S$ 309.
  • 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 cancelled 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.

Find Cheap Flights & Deals on Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.