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Cheap flights from Ontario to Billings from $298

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 Billings departing on 8/22. 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
0 bags

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Find the cheapest flights from Ontario to Billings

Cheap round-trip flights

Alaska Airlines Logo
4:45 pm - 3:04 pmYYZ-BIL
24h 19m1 stop
Alaska Airlines Logo
7:15 pm - 3:00 pmBIL-YYZ
17h 45m1 stop
$500Alaska Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
Alaska Airlines Logo
4:45 pm - 12:08 amYYZ-BIL
9h 23m1 stop
Alaska Airlines Logo
3:44 pm - 3:00 pmBIL-YYZ
21h 16m2 stops
$508Alaska Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
American Airlines Logo
1:15 pm - 8:57 pmYYZ-BIL
9h 42m1 stop
American Airlines Logo
12:19 pm - 11:25 pmBIL-YYZ
9h 06m1 stop
$515American Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
United Airlines Logo
7:00 am - 5:16 pmYYZ-BIL
12h 16m3 stops
United Airlines Logo
5:00 am - 7:37 pmBIL-YYZ
12h 37m2 stops
$591United Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
Alaska Airlines Logo
4:45 pm - 1:19 pmYYZ-BIL
22h 34m2 stops
Alaska Airlines Logo
3:44 pm - 3:00 pmBIL-YYZ
21h 16m2 stops
$607Alaska Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13

American Airlines flights from Region of Ontario to Billings

Our best American Airlines deals on Region of Ontario to Billings flight tickets
American Airlines
Sep 4
YYZ1:15 pmToronto Pearson Intl
9h 42m
1 stop
BIL8:57 pmBillings Logan Intl
Sep 7
BIL12:19 pmBillings Logan Intl
9h 06m
1 stop
YYZ11:25 pmToronto Pearson Intl
$515
Find similar
American Airlines
Aug 20
YYZ1:16 pmToronto Pearson Intl
11h 44m
1 stop
BIL11:00 pmBillings Logan Intl
Aug 23
BIL1:53 pmBillings Logan Intl
20h 37m
1 stop
YYZ12:30 pmToronto Pearson Intl
$690
Find similar

United Airlines flights from Region of Ontario to Billings

Our best United Airlines deals on Region of Ontario to Billings flight tickets
United Airlines
Sep 4
YYZ7:00 amToronto Pearson Intl
12h 16m
3 stops
BIL5:16 pmBillings Logan Intl
Sep 7
BIL5:00 amBillings Logan Intl
12h 37m
2 stops
YYZ7:37 pmToronto Pearson Intl
$591
Find similar
United Airlines
Aug 20
YYZ12:45 pmToronto Pearson Intl
11h 14m
2 stops
BIL9:59 pmBillings Logan Intl
Aug 23
BIL10:54 amBillings Logan Intl
10h 16m
2 stops
YYZ11:10 pmToronto Pearson Intl
$694
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momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Billings 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 832,500 searches. Data last updated August 6, 2025.
Use the filters below to find and compare flights from Ontario to Billings that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Thu 10/9

4:45 pm-3:04 pm

1 stop24h 19m

Billings Logan Intl

Mon 10/13

7:15 pm-3:00 pm

1 stop17h 45m

$500

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Thu 10/9

4:45 pm-12:08 am

1 stop9h 23m

Billings Logan Intl

Mon 10/13

3:44 pm-3:00 pm

2 stops21h 16m

$508

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Thu 9/4

1:15 pm-8:57 pm

1 stop9h 42m

Billings Logan Intl

Sun 9/7

12:19 pm-11:25 pm

1 stop9h 06m

$515

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Thu 9/4

7:00 am-5:16 pm

3 stops12h 16m

Billings Logan Intl

Sun 9/7

5:00 am-7:37 pm

2 stops12h 37m

$591

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Thu 10/9

4:45 pm-1:19 pm

2 stops22h 34m

Billings Logan Intl

Mon 10/13

3:44 pm-3:00 pm

2 stops21h 16m

$607

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Fri 8/22

10:05 am-12:11 am

2 stops16h 06m

$298

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Fri 8/22

9:45 am-9:37 pm

1 stop13h 52m

$314

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Sat 8/23

7:00 am-8:34 pm

3 stops15h 34m

$375

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Fri 8/22

7:00 am-9:59 pm

3 stops16h 59m

$436

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Thu 8/21

12:30 am-1:17 pm

2 stops14h 47m

$457

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Billings from

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

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 day to depart on your flight to Billings?

Our data shows that Friday is the least expensive day to fly to Billings. Tickets to fly out on this day can be as low as $524. Flights from Region of Ontario to Billings on a Wednesday will generally be more expensive and average around $904. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Billings?

According to our data, the cheapest time of day to fly to Billings is in the morning. momondo users have found flights departing from Region of Ontario to Billings in the morning for as low as $606. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Billings, so prices are often more expensive at around $642 per ticket.

Cheap Region of Ontario to Billings flight deals and tips

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

Best Price Found

$298

Fastest flight time

9h 23m

Direct flights

None

Airports in Billings

1 airport
The best one-way flight to Billings from Region of Ontario in the past 72 hours is $298. The best round-trip flight deal from Region of Ontario to Billings found on momondo in the last 72 hours is $500.
The fastest flight from Region of Ontario to Billings takes 9h 23m
There are no direct flights from Region of Ontario to Billings. Popular non-direct route for this connection is Toronto Pearson Intl Airport - Billings Logan Intl Airport.
There is 1 airport near Billings: Billings Logan Intl (BIL)
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  • When did momondo last update prices for flights from Ontario to Billings Logan Intl Airport?

    Prices for flights from Ontario to Billings Logan Intl Airport were last updated today.

  • How old do you have to be to fly from Ontario to Billings Logan Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Billings Logan Intl Airport.

  • What documentation or ID do you need to fly to Billings Logan Intl Airport?

    The required travel and health documents for your Billings Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Billings Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Billings from Ontario.

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

momondo does allow users to show only those flights to Billings from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Billings from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Ontario to Billings flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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