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Cheap flights from Ontario to Guam from C$ 1,606

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GUM
17 Apr — 24 Apr1
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 18 March 2026.

Sun 24/55:16 p.m.
YYZ
-
GUM
2 stops34h 49m
United Airlines
Thu 28/57:05 a.m.
GUM
-
YYZ
2 stops26h 34m
United Airlines
Deal found 13/3C$ 2,629
Sat 23/55:40 p.m.
YUL
-
GUM
2 stops58h 25m
United Airlines
Wed 27/57:30 p.m.
GUM
-
YUL
2 stops40h 36m
United Airlines
Deal found 15/3C$ 2,662
Sun 24/56:25 a.m.
YOW
-
GUM
2 stops21h 40m
United Airlines
Thu 28/57:05 a.m.
GUM
-
YOW
2 stops48h 02m
United Airlines
Deal found 15/3C$ 2,673
Sat 23/55:16 p.m.
YYZ
-
GUM
2 stops34h 49m
United Airlines
Wed 27/57:05 a.m.
GUM
-
YYZ
2 stops22h 09m
United Airlines
Deal found 15/3C$ 2,673
Fri 22/51:50 a.m.
YYZ
-
GUM
1 stop36h 30m
Philippine Airlines
Wed 27/56:00 a.m.
GUM
-
YYZ
1 stop30h 45m
Philippine Airlines
Deal found 15/3C$ 2,797
Fri 17/76:35 p.m.
YYZ
-
GUM
2 stops43h 45m
Philippine Airlines
Tue 21/76:00 a.m.
GUM
-
YYZ
2 stops38h 10m
Philippine Airlines
Deal found 14/3C$ 2,937
Fri 12/66:25 a.m.
YOW
-
GUM
2 stops21h 40m
United Airlines
Tue 16/67:30 p.m.
GUM
-
YOW
2 stops37h 18m
United Airlines
Deal found 16/3C$ 2,992
Mon 16/34:10 p.m.
YYZ
-
GUM
2 stops43h 35m
United Airlines
Fri 20/37:25 a.m.
GUM
-
YYZ
2 stops21h 37m
United Airlines
Deal found 15/3C$ 3,099
Fri 17/78:30 a.m.
YYZ
-
GUM
2 stops29h 50m
Multiple Airlines
Mon 20/76:00 a.m.
GUM
-
YYZ
2 stops38h 10m
Multiple Airlines
Deal found 14/3C$ 3,297
Tue 17/34:10 p.m.
YYZ
-
GUM
3 stops36h 40m
United Airlines
Sat 21/37:25 a.m.
GUM
-
YYZ
2 stops29h 12m
United Airlines
Deal found 15/3C$ 3,571
Tue 17/39:30 a.m.
YYZ
-
GUM
2 stops26h 15m
United Airlines
Fri 20/37:25 a.m.
GUM
-
YYZ
2 stops21h 37m
United Airlines
Deal found 15/3C$ 3,597
Wed 18/39:00 p.m.
YYZ
-
GUM
2 stops31h 50m
United Airlines
Sun 22/37:25 a.m.
GUM
-
YYZ
2 stops20h 55m
United Airlines
Deal found 15/3C$ 3,646

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 18 March 2026.

Round-trip from

C$ 2,629

One-way from

C$ 1,606
United Airlines
  • United Airlines
  • 24/5-28/5
  • 4 total stops
  • 61h 23m total
  • Ontario to Guam
Search Deals
Philippine Airlines
  • Philippine Airlines
  • 28/8
  • 2 total stops
  • 43h 45m 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 18 March 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

Sun 24/5

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

2 stops34h 49m

Tamuning Guam Intl

Thu 28/5

7:05 a.m.-7:39 p.m.

2 stops26h 34m

C$ 2,629

MontrealTamuning

YUL - GUM

YULGUM

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

4:55 p.m.-6:05 p.m.

2 stops59h 10m

Tamuning Guam Intl

Wed 27/5

7:30 p.m.-12:13 a.m.

2 stops42h 43m

C$ 2,662

OttawaTamuning

YOW - GUM

YOWGUM

Ottawa

Sun 24/5

6:25 a.m.-6:05 p.m.

2 stops21h 40m

Tamuning Guam Intl

Thu 28/5

7:05 a.m.-1:59 p.m.

2 stops44h 54m

C$ 2,673

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Sat 23/5

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

2 stops34h 49m

Tamuning Guam Intl

Wed 27/5

7:05 a.m.-2:24 p.m.

2 stops21h 19m

C$ 2,673

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Fri 22/5

1:50 a.m.-4:20 a.m.

1 stop36h 30m

Tamuning Guam Intl

Wed 27/5

6:00 a.m.-10:45 p.m.

1 stop30h 45m

C$ 2,797

OttawaTamuning

YOW - GUM

YOWGUM

Ottawa

Fri 12/6

6:25 a.m.-6:05 p.m.

2 stops21h 40m

Tamuning Guam Intl

Tue 16/6

7:30 p.m.-6:48 p.m.

2 stops37h 18m

C$ 2,992

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Fri 17/7

8:30 a.m.-4:20 a.m.

2 stops29h 50m

Tamuning Guam Intl

Mon 20/7

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

2 stops38h 10m

C$ 3,297
Quickest round-trip

OttawaTamuning

YOW - GUM

YOWGUM

Ottawa

Mon 13/4

6:10 a.m.-9:45 p.m.

2 stops25h 35m

Tamuning Guam Intl

Mon 20/4

7:05 a.m.-5:07 p.m.

3 stops24h 02m

C$ 7,832

OttawaTamuning

YOW - GUM

YOWGUM

Ottawa

Mon 13/4

6:00 p.m.-4:20 a.m.

2 stops44h 20m

Tamuning Guam Intl

Mon 20/4

6:00 a.m.-6:45 a.m.

2 stops38h 45m

C$ 8,464
Cheapest one-way
Quickest one-way

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Fri 28/8

6:35 p.m.-4:20 a.m.

2 stops43h 45m

C$ 1,606

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/3

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 34h 49m. There are 12218 km between Region of Ontario and Guam.

  • 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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Guam?

Cheapflights makes it easy to find Ontario to Guam flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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.

Can Cheapflights notify me if prices for flights from Ontario to Guam become cheaper?

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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