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Cheap flights from Ontario to Guam from C$ 1,166

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GUM
20 Jul — 27 Jul1
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 20 June 2026.

Thu 17/96:15 a.m.
YYZ
-
GUM
2 stops27h 40m
Delta
Sun 20/92:00 a.m.
GUM
-
YYZ
2 stops33h 59m
Delta
Deal found 16/6C$ 2,244
Tue 22/96:15 a.m.
YYZ
-
GUM
2 stops27h 40m
Delta
Thu 24/92:00 a.m.
GUM
-
YYZ
2 stops34h 59m
Delta
Deal found 19/6C$ 2,269
Tue 22/96:00 a.m.
YUL
-
GUM
2 stops27h 55m
Delta
Fri 25/95:20 p.m.
GUM
-
YUL
2 stops44h 02m
Delta
Deal found 19/6C$ 2,369
Sat 21/114:36 p.m.
YOW
-
GUM
3 stops59h 24m
United Airlines
Wed 25/117:55 p.m.
GUM
-
YOW
2 stops40h 21m
United Airlines
Deal found 19/6C$ 2,671
Sat 21/116:00 a.m.
YUL
-
GUM
2 stops41h 35m
Delta
Wed 25/114:50 p.m.
GUM
-
YUL
2 stops46h 01m
Delta
Deal found 15/6C$ 2,696
Sat 21/116:15 p.m.
YUL
-
GUM
2 stops57h 35m
United Airlines
Wed 25/117:55 p.m.
GUM
-
YUL
2 stops54h 43m
United Airlines
Deal found 16/6C$ 2,702
Sat 3/106:25 a.m.
YOW
-
GUM
2 stops21h 40m
United Airlines
Wed 7/107:35 p.m.
GUM
-
YOW
2 stops59h 41m
United Airlines
Deal found 17/6C$ 2,729
Wed 16/91:50 a.m.
YYZ
-
GUM
1 stop36h 30m
Philippine Airlines
Mon 21/96:00 a.m.
GUM
-
YYZ
2 stops38h 10m
Philippine Airlines
Deal found 16/6C$ 2,824
Mon 29/66:35 p.m.
YUL
-
GUM
2 stops33h 30m
United Airlines
Sun 26/77:30 p.m.
GUM
-
YUL
2 stops39h 56m
United Airlines
Deal found 17/6C$ 3,173
Tue 22/126:30 a.m.
YYZ
-
GUM
2 stops54h 50m
Multiple Airlines
Sun 27/126:00 a.m.
GUM
-
YYZ
1 stop31h 20m
Multiple Airlines
Deal found 16/6C$ 3,196
Mon 29/66:20 p.m.
YUL
-
GUM
2 stops44h 00m
Multiple Airlines
Sun 26/74:35 p.m.
GUM
-
YUL
1 stop38h 25m
Multiple Airlines
Deal found 17/6C$ 8,377

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 20 June 2026.

Round-trip from

C$ 2,244

One-way from

C$ 1,166
Delta
  • Delta
  • 17/9-20/9
  • 4 total stops
  • 61h 39m total
  • Ontario to Guam
Search Deals
29/7
  • 29/7
  • 2 total stops
  • 35h 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 20 June 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

Thu 17/9

6:15 a.m.-11:55 p.m.

2 stops27h 40m

Tamuning Guam Intl

Sun 20/9

2:00 a.m.-9:59 p.m.

2 stops33h 59m

C$ 2,244

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Tue 22/9

6:15 a.m.-11:55 p.m.

2 stops27h 40m

Tamuning Guam Intl

Thu 24/9

2:00 a.m.-10:59 p.m.

2 stops34h 59m

C$ 2,269

MontrealTamuning

YUL - GUM

YULGUM

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

6:00 a.m.-11:55 p.m.

2 stops27h 55m

Tamuning Guam Intl

Fri 25/9

5:20 p.m.-11:22 p.m.

2 stops44h 02m

C$ 2,369

OttawaTamuning

YOW - GUM

YOWGUM

Ottawa

Sat 21/11

4:36 p.m.-7:00 p.m.

3 stops59h 24m

Tamuning Guam Intl

Wed 25/11

7:55 p.m.-9:16 p.m.

2 stops40h 21m

C$ 2,671

MontrealTamuning

YUL - GUM

YULGUM

Montreal Pierre Elliott Trudeau Intl

Sat 21/11

6:00 a.m.-2:35 p.m.

2 stops41h 35m

Tamuning Guam Intl

Wed 25/11

4:50 p.m.-11:51 p.m.

2 stops46h 01m

C$ 2,696

MontrealTamuning

YUL - GUM

YULGUM

Montreal Pierre Elliott Trudeau Intl

Sat 21/11

6:15 p.m.-6:50 p.m.

2 stops57h 35m

Tamuning Guam Intl

Wed 25/11

7:55 p.m.-11:38 a.m.

2 stops54h 43m

C$ 2,702

OttawaTamuning

YOW - GUM

YOWGUM

Ottawa

Sat 3/10

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

2 stops21h 40m

Tamuning Guam Intl

Wed 7/10

7:35 p.m.-5:16 p.m.

2 stops59h 41m

C$ 2,729

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Wed 16/9

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

1 stop36h 30m

Tamuning Guam Intl

Mon 21/9

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

2 stops38h 10m

C$ 2,824
Cheapest one-way
Quickest one-way

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Wed 29/7

1:50 a.m.-3:35 a.m.

2 stops35h 45m

C$ 1,166

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Wed 29/7

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

1 stop36h 30m

C$ 1,314

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/6

Sorted by cheapest first

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 27h 40m. 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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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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