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Cheap flights from Ontario to Guam from C$ 1,896

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Guam departing on 18/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Guam

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:35 a.m. - 1:10 a.m.YYZ-GUM
33h 35m2 stops
Multiple Airlines Logo
2:40 a.m. - 9:00 p.m.GUM-YYZ
33h 20m2 stops
C$ 2,138Multiple Airlines
Find Deal
Sun, 18 Jan - Mon, 2 Feb
United Airlines Logo
4:10 p.m. - 7:05 p.m.YYZ-GUM
59h 55m2 stops
United Airlines Logo
7:40 a.m. - 10:37 p.m.GUM-YYZ
29h 57m2 stops
C$ 2,440United Airlines
Find Deal
Mon, 19 Jan - Tue, 3 Feb
Multiple Airlines Logo
12:15 a.m. - 1:10 a.m.YYZ-GUM
33h 55m2 stops
Multiple Airlines Logo
2:40 a.m. - 12:26 a.m.GUM-YYZ
36h 46m3 stops
C$ 2,552Multiple Airlines
Find Deal
Sun, 18 Jan - Mon, 2 Feb
United Airlines Logo
7:30 p.m. - 6:50 p.m.YOW-GUM
33h 20m2 stops
United Airlines Logo
7:25 a.m. - 6:55 p.m.GUM-YOW
49h 30m2 stops
C$ 2,621United Airlines
Find Deal
Sun, 8 Mar - Thu, 12 Mar
United Airlines Logo
7:30 p.m. - 6:50 p.m.YOW-GUM
33h 20m2 stops
United Airlines Logo
7:25 a.m. - 2:27 p.m.GUM-YOW
45h 02m2 stops
C$ 2,624United Airlines
Find Deal
Sun, 8 Mar - Thu, 12 Mar
United Airlines Logo
7:30 p.m. - 6:50 p.m.YOW-GUM
33h 20m2 stops
United Airlines Logo
7:25 a.m. - 2:27 p.m.GUM-YOW
45h 02m2 stops
C$ 2,625United Airlines
Find Deal
Sun, 8 Mar - Thu, 12 Mar
Delta Logo
6:14 p.m. - 11:05 p.m.YYZ-GUM
37h 51m2 stops
Delta Logo
1:00 a.m. - 11:13 p.m.GUM-YYZ
37h 13m2 stops
C$ 2,683Delta
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Mon, 19 Jan - Mon, 2 Feb
Philippine Airlines Logo
12:50 a.m. - 4:00 a.m.YYZ-GUM
36h 10m1 stop
Philippine Airlines Logo
5:45 a.m. - 6:10 a.m.GUM-YYZ
39h 25m2 stops
C$ 2,728Philippine Airlines
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Sun, 18 Jan - Tue, 3 Feb
Philippine Airlines Logo
12:50 a.m. - 3:25 a.m.YYZ-GUM
35h 35m2 stops
Philippine Airlines Logo
5:45 a.m. - 6:10 a.m.GUM-YYZ
39h 25m2 stops
C$ 2,791Philippine Airlines
Find Deal
Sun, 18 Jan - Tue, 3 Feb
ANA Logo
12:30 p.m. - 3:45 p.m.YYZ-GUM
36h 15m1 stop
ANA Logo
7:30 a.m. - 5:05 p.m.GUM-YYZ
24h 35m2 stops
C$ 16,906ANA
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Mon, 19 Jan - Tue, 3 Feb

United Airlines flights from Region of Ontario to Guam

Our best United Airlines deals on Region of Ontario to Guam flight tickets
United Airlines
19 Jan
YYZ4:10 p.m.Toronto Pearson Intl
59h 55m
2 stops
GUM7:05 p.m.Tamuning Guam Intl
3 Feb
GUM7:40 a.m.Tamuning Guam Intl
29h 57m
2 stops
YYZ10:37 p.m.Toronto Pearson Intl
C$ 2,440
Find similar
United Airlines
8 Mar
YOW7:30 p.m.Ottawa
33h 20m
2 stops
GUM6:50 p.m.Tamuning Guam Intl
12 Mar
GUM7:25 a.m.Tamuning Guam Intl
49h 30m
2 stops
YOW6:55 p.m.Ottawa
C$ 2,621
Find similar
United Airlines
8 Mar
YOW7:30 p.m.Ottawa
33h 20m
2 stops
GUM6:50 p.m.Tamuning Guam Intl
12 Mar
GUM7:25 a.m.Tamuning Guam Intl
45h 02m
2 stops
YOW2:27 p.m.Ottawa
C$ 2,624
Find similar

Philippine Airlines flights from Region of Ontario to Guam

Our best Philippine Airlines deals on Region of Ontario to Guam flight tickets
Philippine Airlines
18 Jan
YYZ12:50 a.m.Toronto Pearson Intl
36h 10m
1 stop
GUM4:00 a.m.Tamuning Guam Intl
3 Feb
GUM5:45 a.m.Tamuning Guam Intl
39h 25m
2 stops
YYZ6:10 a.m.Toronto Pearson Intl
C$ 2,728
Find similar
Philippine Airlines
18 Jan
YYZ12:50 a.m.Toronto Pearson Intl
35h 35m
2 stops
GUM3:25 a.m.Tamuning Guam Intl
3 Feb
GUM5:45 a.m.Tamuning Guam Intl
39h 25m
2 stops
YYZ6:10 a.m.Toronto Pearson Intl
C$ 2,791
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of 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, momondo users made 96,600 searches. Data last updated 20 November 2025.
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

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Sun 18/1

12:35 a.m.-1:10 a.m.

2 stops33h 35m

Tamuning Guam Intl

Mon 2/2

2:40 a.m.-9:00 p.m.

2 stops33h 20m

C$ 2,138

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Mon 19/1

4:10 p.m.-7:05 p.m.

2 stops59h 55m

Tamuning Guam Intl

Tue 3/2

7:40 a.m.-10:37 p.m.

2 stops29h 57m

C$ 2,440

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Sun 18/1

12:15 a.m.-1:10 a.m.

2 stops33h 55m

Tamuning Guam Intl

Mon 2/2

2:40 a.m.-12:26 a.m.

3 stops36h 46m

C$ 2,552

OttawaTamuning

YOW - GUM

YOWGUM

Ottawa

Sun 8/3

7:30 p.m.-6:50 p.m.

2 stops33h 20m

Tamuning Guam Intl

Thu 12/3

7:25 a.m.-6:55 p.m.

2 stops49h 30m

C$ 2,621

OttawaTamuning

YOW - GUM

YOWGUM

Ottawa

Sun 8/3

7:30 p.m.-6:50 p.m.

2 stops33h 20m

Tamuning Guam Intl

Thu 12/3

7:25 a.m.-2:27 p.m.

2 stops45h 02m

C$ 2,624

OttawaTamuning

YOW - GUM

YOWGUM

Ottawa

Sun 8/3

7:30 p.m.-6:50 p.m.

2 stops33h 20m

Tamuning Guam Intl

Thu 12/3

7:25 a.m.-2:27 p.m.

2 stops45h 02m

C$ 2,625

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Mon 19/1

6:14 p.m.-11:05 p.m.

2 stops37h 51m

Tamuning Guam Intl

Mon 2/2

1:00 a.m.-11:13 p.m.

2 stops37h 13m

C$ 2,683

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Sun 18/1

12:50 a.m.-4:00 a.m.

1 stop36h 10m

Tamuning Guam Intl

Tue 3/2

5:45 a.m.-6:10 a.m.

2 stops39h 25m

C$ 2,728

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Sun 18/1

12:50 a.m.-3:25 a.m.

2 stops35h 35m

Tamuning Guam Intl

Tue 3/2

5:45 a.m.-6:10 a.m.

2 stops39h 25m

C$ 2,791

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Mon 19/1

12:30 p.m.-3:45 p.m.

1 stop36h 15m

Tamuning Guam Intl

Tue 3/2

7:30 a.m.-5:05 p.m.

2 stops24h 35m

C$ 16,906

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Guam from

How to get the cheapest flight ticket from Region of Ontario to Guam

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Guam?

United Airlines and Philippine Airlines are the most popular carriers operating from Ontario to Guam

Cheap Region of Ontario to Guam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Guam

Direct flights

None
There are no direct flights from Region of Ontario to Guam. There are no popular flight routes from Region of Ontario to Guam.
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  • When did momondo last update prices for flights from Ontario to Guam?

    Prices for flights from Ontario to Guam are updated daily.

  • How old do you have to be to fly from Ontario to Guam?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Guam.

  • What documentation or ID do you need to fly to Guam?

    The necessary travel and health documents for your Guam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Guam?

Finding the right flight to Guam from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Guam quick and easy, saving you time and money.

Can I find flights from Ontario to Guam with flexible booking policies on momondo?

All flight searches from Ontario to Guam on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Guam?

momondo helps you find the best flight between Ontario and Guam by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Guam right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Guam, momondo offers a useful price alert feature which will track prices for flights to Guam from Ontario and alert you when they change.

An easier way to manage your Guam trip

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1 adult
Sat 20/12
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Popular Cities in Guam

Popular flights according to clicks in the last 7 days on momondo
Flights to Tamuningfrom C$ 1,810