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Cheap flights from Ontario to Guam from C$ 1,966

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Guam departing on 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Guam

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 a.m. - 3:35 a.m.
YYZ
-
GUM
29h 35m
3 stops
Multiple Airlines Logo
12:50 a.m. - 1:05 a.m.
GUM
-
YYZ
38h 15m
2 stops
C$ 1,966Multiple Airlines
Mon, 3 Aug - Thu, 6 Aug
Multiple Airlines Logo
12:55 p.m. - 3:35 a.m.
YUL
-
GUM
24h 40m
1 stop
Multiple Airlines Logo
12:50 a.m. - 5:00 p.m.
GUM
-
YUL
30h 10m
2 stops
C$ 2,082Multiple Airlines
Tue, 4 Aug - Mon, 10 Aug
Multiple Airlines Logo
10:10 a.m. - 3:35 a.m.
YUL
-
GUM
27h 25m
2 stops
Multiple Airlines Logo
12:50 a.m. - 5:00 p.m.
GUM
-
YUL
30h 10m
2 stops
C$ 2,089Multiple Airlines
Tue, 4 Aug - Mon, 10 Aug
Multiple Airlines Logo
7:00 a.m. - 11:45 p.m.
YUL
-
GUM
26h 45m
3 stops
Multiple Airlines Logo
12:50 a.m. - 5:00 p.m.
GUM
-
YUL
30h 10m
2 stops
C$ 2,129Multiple Airlines
Tue, 4 Aug - Mon, 10 Aug
Delta Logo
6:15 a.m. - 11:55 p.m.
YYZ
-
GUM
27h 40m
2 stops
Delta Logo
2:00 a.m. - 9:59 p.m.
GUM
-
YYZ
33h 59m
2 stops
C$ 2,212Delta
Thu, 17 Sep - Sun, 20 Sep
Delta Logo
6:15 a.m. - 11:55 p.m.
YYZ
-
GUM
27h 40m
2 stops
Delta Logo
2:00 a.m. - 9:59 p.m.
GUM
-
YYZ
33h 59m
2 stops
C$ 2,216Delta
Thu, 17 Sep - Sun, 20 Sep
Delta Logo
6:15 a.m. - 11:55 p.m.
YYZ
-
GUM
27h 40m
2 stops
Delta Logo
2:00 a.m. - 11:13 p.m.
GUM
-
YYZ
35h 13m
2 stops
C$ 2,218Delta
Thu, 17 Sep - Sun, 20 Sep
United Airlines Logo
9:00 p.m. - 6:05 p.m.
YYZ
-
GUM
31h 05m
2 stops
United Airlines Logo
7:05 a.m. - 7:00 a.m.
GUM
-
YYZ
37h 55m
2 stops
C$ 2,517United Airlines
Wed, 19 Aug - Mon, 7 Sep
United Airlines Logo
6:25 a.m. - 6:05 p.m.
YOW
-
GUM
21h 40m
2 stops
United Airlines Logo
7:05 a.m. - 1:59 p.m.
GUM
-
YOW
44h 54m
2 stops
C$ 2,522United Airlines
Thu, 6 Aug - Thu, 13 Aug
United Airlines Logo
9:25 a.m. - 7:00 p.m.
YUL
-
GUM
42h 35m
3 stops
United Airlines Logo
7:45 a.m. - 5:07 p.m.
GUM
-
YUL
48h 22m
2 stops
C$ 2,623United Airlines
Sun, 22 Nov - Thu, 26 Nov

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Delta flights from Region of Ontario to Guam

Our best Delta deals on Region of Ontario to Guam flight tickets
Delta
17 Sep
YYZ6:15 a.m.Toronto Pearson Intl
27h 40m
2 stops
GUM11:55 p.m.Tamuning Guam Intl
20 Sep
GUM2:00 a.m.Tamuning Guam Intl
33h 59m
2 stops
YYZ9:59 p.m.Toronto Pearson Intl
C$ 2,212
Delta
17 Sep
YYZ6:15 a.m.Toronto Pearson Intl
27h 40m
2 stops
GUM11:55 p.m.Tamuning Guam Intl
20 Sep
GUM2:00 a.m.Tamuning Guam Intl
33h 59m
2 stops
YYZ9:59 p.m.Toronto Pearson Intl
C$ 2,216
Delta
17 Sep
YYZ6:15 a.m.Toronto Pearson Intl
27h 40m
2 stops
GUM11:55 p.m.Tamuning Guam Intl
20 Sep
GUM2:00 a.m.Tamuning Guam Intl
35h 13m
2 stops
YYZ11:13 p.m.Toronto Pearson Intl
C$ 2,218

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 Aug
YYZ6:30 a.m.Toronto Pearson Intl
45h 35m
2 stops
GUM6:05 p.m.Tamuning Guam Intl
7 Sep
GUM7:05 a.m.Tamuning Guam Intl
46h 09m
3 stops
YYZ3:14 p.m.Toronto Pearson Intl
C$ 2,517
United Airlines
6 Aug
YOW6:25 a.m.Ottawa
21h 40m
2 stops
GUM6:05 p.m.Tamuning Guam Intl
13 Aug
GUM7:05 a.m.Tamuning Guam Intl
44h 54m
2 stops
YOW1:59 p.m.Ottawa
C$ 2,522
United Airlines
22 Nov
YUL9:25 a.m.Montreal Pierre Elliott Trudeau Intl
42h 35m
3 stops
GUM7:00 p.m.Tamuning Guam Intl
26 Nov
GUM7:45 a.m.Tamuning Guam Intl
48h 22m
2 stops
YUL5:07 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,623

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 12 July 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

Mon 3/8

8:00 a.m.-3:35 a.m.

3 stops29h 35m

Tamuning Guam Intl

Thu 6/8

12:50 a.m.-1:05 a.m.

2 stops38h 15m

C$ 1,966
Quickest round-trip

MontrealTamuning

YUL - GUM

YULGUM

Montreal Pierre Elliott Trudeau Intl

Tue 4/8

12:55 p.m.-3:35 a.m.

1 stop24h 40m

Tamuning Guam Intl

Mon 10/8

12:50 a.m.-5:00 p.m.

2 stops30h 10m

C$ 2,082

MontrealTamuning

YUL - GUM

YULGUM

Montreal Pierre Elliott Trudeau Intl

Tue 4/8

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

2 stops27h 25m

Tamuning Guam Intl

Mon 10/8

12:50 a.m.-5:00 p.m.

2 stops30h 10m

C$ 2,089

MontrealTamuning

YUL - GUM

YULGUM

Montreal Pierre Elliott Trudeau Intl

Tue 4/8

7:00 a.m.-11:45 p.m.

3 stops26h 45m

Tamuning Guam Intl

Mon 10/8

12:50 a.m.-5:00 p.m.

2 stops30h 10m

C$ 2,129

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$ 2,212

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$ 2,216

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.-11:13 p.m.

2 stops35h 13m

C$ 2,218

TorontoTamuning

YYZ - GUM

YYZGUM

Toronto Pearson Intl

Wed 19/8

9:00 p.m.-6:05 p.m.

2 stops31h 05m

Tamuning Guam Intl

Mon 7/9

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

2 stops37h 55m

C$ 2,517

OttawaTamuning

YOW - GUM

YOWGUM

Ottawa

Thu 6/8

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

2 stops21h 40m

Tamuning Guam Intl

Thu 13/8

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

2 stops44h 54m

C$ 2,522

MontrealTamuning

YUL - GUM

YULGUM

Montreal Pierre Elliott Trudeau Intl

Sun 22/11

9:25 a.m.-7:00 p.m.

3 stops42h 35m

Tamuning Guam Intl

Thu 26/11

7:45 a.m.-5:07 p.m.

2 stops48h 22m

C$ 2,623

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

If you’re flying from a popular airport in Region of Ontario, such as Ottawa or Toronto, and flying into Guam, then you can expect flight times to average 21h 40m and 24h 10m, respectively.

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

Fastest flight time

21h 40m

Direct flights

None
The fastest flight from Region of Ontario to Guam takes 21h 40m
There are no direct flights from Region of Ontario to Guam. There are no popular flight routes from Region of Ontario to Guam.
Search flight deals

Frequently asked questions about flying from Ontario to Guam

  • 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Popular Cities in Guam

Popular flights according to clicks in the last 7 days on momondo
Flights to Tamuningfrom C$ 1,591