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Cheap flights from Ontario to Guam from C$ 963

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GUM
1 Jun — 8 Jun1
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 2 May 2026.

Mon 3/87:24 p.m.
YYZ
-
GUM
2 stops54h 11m
Delta
Wed 12/82:00 a.m.
GUM
-
YYZ
2 stops47h 33m
Delta
Deal found 27/4C$ 2,417
Tue 12/56:10 a.m.
YYZ
-
GUM
2 stops21h 55m
United Airlines
Tue 19/57:05 a.m.
GUM
-
YYZ
2 stops22h 09m
United Airlines
Deal found 27/4C$ 2,429
Mon 25/56:30 a.m.
YYZ
-
GUM
2 stops45h 35m
United Airlines
Tue 2/67:05 a.m.
GUM
-
YYZ
3 stops46h 09m
United Airlines
Deal found 27/4C$ 2,460
Wed 27/57:00 a.m.
YYZ
-
GUM
2 stops21h 05m
United Airlines
Wed 3/67:05 a.m.
GUM
-
YYZ
2 stops21h 19m
United Airlines
Deal found 28/4C$ 2,478
Fri 13/116:30 a.m.
YYZ
-
GUM
2 stops41h 05m
Delta
Tue 17/114:50 p.m.
GUM
-
YYZ
2 stops44h 08m
Delta
Deal found 29/4C$ 2,494
Mon 3/811:00 a.m.
YYZ
-
GUM
3 stops41h 05m
United Airlines
Thu 13/87:05 a.m.
GUM
-
YYZ
2 stops28h 27m
United Airlines
Deal found 27/4C$ 2,508
Thu 3/129:45 a.m.
YOW
-
GUM
2 stops27h 55m
United Airlines
Mon 7/127:25 a.m.
GUM
-
YOW
2 stops40h 46m
United Airlines
Deal found 29/4C$ 2,630
Sun 13/98:20 a.m.
YUL
-
GUM
2 stops43h 45m
United Airlines
Thu 17/97:10 a.m.
GUM
-
YUL
2 stops27h 35m
United Airlines
Deal found 27/4C$ 2,667
Thu 10/96:25 a.m.
YOW
-
GUM
2 stops21h 40m
United Airlines
Mon 14/97:35 p.m.
GUM
-
YOW
2 stops42h 19m
United Airlines
Deal found 28/4C$ 2,729

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 2 May 2026.

Round-trip from

C$ 2,417

One-way from

C$ 963
Delta
  • Delta
  • 3/8-12/8
  • 4 total stops
  • 101h 44m total
  • Ontario to Guam
Search Deals
15/5
  • 15/5
  • 2 total stops
  • 59h 20m 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 2 May 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
Quickest round-trip

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Wed 27/5

7:00 a.m.-6:05 p.m.

2 stops21h 05m

Tamuning Guam Intl

Wed 3/6

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

2 stops21h 19m

C$ 2,478

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Mon 3/8

11:00 a.m.-6:05 p.m.

3 stops41h 05m

Tamuning Guam Intl

Thu 13/8

7:05 a.m.-9:32 p.m.

2 stops28h 27m

C$ 2,508

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Tue 7/7

6:30 a.m.-6:05 p.m.

2 stops45h 35m

Tamuning Guam Intl

Tue 14/7

7:30 p.m.-7:00 a.m.

2 stops49h 30m

C$ 2,534

MontrealTamuning

YUL - GUM

YULGUM

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

8:20 a.m.-6:05 p.m.

2 stops43h 45m

Tamuning Guam Intl

Thu 17/9

7:10 a.m.-8:45 p.m.

2 stops27h 35m

C$ 2,667

OttawaTamuning

YOW - GUM

YOWGUM

Ottawa

Thu 10/9

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

2 stops21h 40m

Tamuning Guam Intl

Mon 14/9

7:35 p.m.-11:54 p.m.

2 stops42h 19m

C$ 2,729

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Tue 12/5

6:10 a.m.-3:35 p.m.

2 stops43h 25m

Tamuning Guam Intl

Tue 19/5

5:20 p.m.-11:58 p.m.

2 stops44h 38m

C$ 2,739

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Sun 2/8

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

1 stop36h 30m

Tamuning Guam Intl

Thu 13/8

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

2 stops38h 10m

C$ 2,822

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Wed 22/7

4:15 p.m.-4:20 a.m.

2 stops46h 05m

Tamuning Guam Intl

Thu 30/7

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

2 stops38h 10m

C$ 2,947

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Wed 27/5

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

2 stops43h 20m

Tamuning Guam Intl

Wed 3/6

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

1 stop30h 45m

C$ 3,156
Cheapest one-way

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Fri 15/5

10:25 p.m.-11:45 p.m.

2 stops59h 20m

C$ 963

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 18 resultsSorted by cheapest first
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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 21h 55m. 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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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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Fly with Cheapflights

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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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