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Cheap flights from Ontario to Guam from C$ 1,562

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GUM
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Guam

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Guam
Explore the most affordable flight options available from Ontario to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 August 2026.

Fri 18/96:00 a.m.
YYZ
-
GUM
2 stops31h 35m
Multiple Airlines
Fri 9/104:40 a.m.
GUM
-
YYZ
2 stops45h 15m
Multiple Airlines
Deal found 2/8C$ 1,562
Sat 29/88:00 a.m.
YYZ
-
GUM
2 stops29h 35m
Multiple Airlines
Sat 5/94:40 a.m.
GUM
-
YYZ
2 stops39h 05m
Multiple Airlines
Deal found 1/8C$ 2,071
Sun 29/116:00 a.m.
YYZ
-
GUM
2 stops28h 00m
Delta
Wed 2/122:40 a.m.
GUM
-
YYZ
2 stops34h 19m
Delta
Deal found 2/8C$ 2,274
Mon 14/96:15 a.m.
YYZ
-
GUM
2 stops27h 40m
Delta
Thu 17/92:00 a.m.
GUM
-
YYZ
2 stops44h 53m
Delta
Deal found 29/7C$ 2,309
Sun 16/86:00 a.m.
YYZ
-
GUM
2 stops43h 35m
Delta
Sun 30/85:20 p.m.
GUM
-
YYZ
2 stops42h 39m
Delta
Deal found 31/7C$ 2,488
Thu 12/116:00 a.m.
YUL
-
GUM
2 stops28h 00m
Delta
Mon 16/114:50 p.m.
GUM
-
YUL
2 stops45h 40m
Delta
Deal found 3/8C$ 2,590
Sun 29/116:15 a.m.
YOW
-
GUM
3 stops45h 45m
United Airlines
Thu 3/127:45 a.m.
GUM
-
YOW
2 stops44h 41m
United Airlines
Deal found 30/7C$ 2,632
Thu 12/116:00 a.m.
YUL
-
GUM
2 stops22h 00m
United Airlines
Mon 16/117:45 a.m.
GUM
-
YUL
2 stops24h 20m
United Airlines
Deal found 1/8C$ 2,636
Tue 13/106:10 a.m.
YUL
-
GUM
2 stops21h 55m
United Airlines
Thu 22/107:10 a.m.
GUM
-
YUL
3 stops24h 20m
United Airlines
Deal found 3/8C$ 7,220
Tue 13/109:35 p.m.
YUL
-
GUM
2 stops51h 05m
Multiple Airlines
Thu 22/104:40 p.m.
GUM
-
YUL
2 stops36h 05m
Multiple Airlines
Deal found 3/8C$ 10,569

Find flight deals from Ontario to Guam

Keep the following information in mind while searching for Ontario to Guam flight deals. Data was last updated 4 August 2026.

Round-trip from

C$ 1,562
18/9-9/10
  • 18/9-9/10
  • 4 total stops
  • 76h 50m total
  • Ontario to Guam
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Guam that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 4 August 2026.
Use the filters below to find and compare flights from Ontario to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Fri 18/9

7:00 a.m.-3:35 a.m.

2 stops30h 35m

Tamuning Guam Intl

Fri 9/10

6:00 a.m.-7:34 p.m.

3 stops27h 34m

C$ 2,020

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Sun 29/11

6:00 a.m.-1:00 a.m.

2 stops28h 00m

Tamuning Guam Intl

Wed 2/12

2:40 a.m.-9:59 p.m.

2 stops34h 19m

C$ 2,274

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Mon 14/9

9:45 a.m.-11:55 p.m.

2 stops24h 10m

Tamuning Guam Intl

Thu 17/9

2:00 a.m.-11:18 a.m.

2 stops47h 18m

C$ 2,318

MontrealTamuning

YUL - GUM

YULGUM

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

6:00 a.m.-1:00 a.m.

2 stops28h 00m

Tamuning Guam Intl

Mon 16/11

4:50 p.m.-11:30 p.m.

2 stops45h 40m

C$ 2,590

OttawaTamuning

YOW - GUM

YOWGUM

Ottawa

Sun 29/11

6:15 a.m.-7:00 p.m.

3 stops45h 45m

Tamuning Guam Intl

Thu 3/12

7:45 a.m.-1:26 p.m.

2 stops44h 41m

C$ 2,632

MontrealTamuning

YUL - GUM

YULGUM

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

6:00 a.m.-7:00 p.m.

2 stops22h 00m

Tamuning Guam Intl

Mon 16/11

7:45 a.m.-5:05 p.m.

2 stops24h 20m

C$ 2,636

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Mon 14/9

5:16 p.m.-6:05 p.m.

3 stops58h 49m

Tamuning Guam Intl

Fri 18/9

7:35 p.m.-7:02 p.m.

2 stops37h 27m

C$ 2,714

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Mon 14/9

7:00 p.m.-4:20 a.m.

2 stops43h 20m

Tamuning Guam Intl

Fri 18/9

6:00 a.m.-11:10 p.m.

1 stop31h 10m

C$ 2,761

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Sat 29/8

12:00 p.m.-3:35 a.m.

2 stops25h 35m

Tamuning Guam Intl

Fri 4/9

12:50 a.m.-9:55 a.m.

1 stop23h 05m

C$ 2,810

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Fri 18/12

6:45 p.m.-3:55 a.m.

2 stops42h 10m

Tamuning Guam Intl

Sat 26/12

5:25 a.m.-8:55 p.m.

2 stops30h 30m

C$ 3,764

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 12 resultsSorted by cheapest first
1
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Best time to book a flight from Ontario to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Guam

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to Guam?

    Departing from Region of Ontario to Guam will take you 28h. There are 12218 km between Region of Ontario and Guam. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Ontario to Guam that include hotel bookings?

    Yes. In addition to deals on Ontario to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Guam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Guam.

  • Can I find deals for business class flights from Ontario to Guam?

    Yes. Cheapflights offers flight deals from Ontario to Guam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Ontario to Guam

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Ontario to Guam?

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Why should you use Cheapflights to find cheap flight tickets from Ontario to Guam?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Guam.

Can Cheapflights find flights from Ontario to Guam with no change fees?

Certainly. Search results for flights to Guam from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Not ready to book yet? You can track prices for flights from Ontario to Guam on Cheapflights with our Price Alert feature and get notified when better prices are available.

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