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Cheap flights from Ontario to Billings from $301

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 Billings departing on 1/7. 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

Enter your travel dates to find the best prices.
United Airlines Logo
4:10 pm - 9:23 pmYYZ-BIL
7h 13m1 stop
United Airlines Logo
6:30 am - 3:01 pmBIL-YYZ
6h 31m1 stop
$301United Airlines
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Wed, Jan 7 - Tue, Jan 13
Delta Logo
6:10 am - 5:30 pmYYZ-BIL
13h 20m2 stops
Delta Logo
5:15 am - 7:13 pmBIL-YYZ
11h 58m2 stops
$303Delta
Find Deal
Wed, Jan 7 - Tue, Jan 13
Delta Logo
7:50 am - 7:36 pmYYZ-BIL
13h 46m2 stops
Delta Logo
6:10 am - 3:59 pmBIL-YYZ
7h 49m1 stop
$304Delta
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Sat, Feb 21 - Tue, Feb 24
Delta Logo
6:00 am - 5:30 pmYYZ-BIL
13h 30m2 stops
Delta Logo
5:15 am - 7:13 pmBIL-YYZ
11h 58m2 stops
$305Delta
Find Deal
Wed, Jan 7 - Tue, Jan 13
United Airlines Logo
4:10 pm - 10:49 pmYYZ-BIL
8h 39m1 stop
United Airlines Logo
5:54 pm - 9:36 amBIL-YYZ
13h 42m2 stops
$312United Airlines
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Wed, Nov 26 - Sun, Dec 7
United Airlines Logo
2:15 pm - 9:48 amYYZ-BIL
21h 33m2 stops
United Airlines Logo
5:54 pm - 9:36 amBIL-YYZ
13h 42m2 stops
$356United Airlines
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Wed, Nov 26 - Sun, Dec 7
United Airlines Logo
4:10 pm - 9:18 pmYYZ-BIL
7h 08m1 stop
United Airlines Logo
7:00 am - 3:02 pmBIL-YYZ
6h 02m1 stop
$426United Airlines
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Wed, Nov 26 - Sun, Dec 7
Alaska Airlines Logo
4:45 pm - 6:32 pmYYZ-BIL
27h 47m1 stop
Alaska Airlines Logo
3:36 pm - 3:35 pmBIL-YYZ
21h 59m2 stops
$427Alaska Airlines
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Wed, Nov 26 - Sun, Dec 7
Multiple Airlines Logo
10:50 pm - 12:05 pmYYZ-BIL
39h 15m2 stops
Multiple Airlines Logo
10:24 pm - 6:20 amBIL-YYZ
29h 56m1 stop
$430Multiple Airlines
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Wed, Nov 26 - Sun, Dec 7
American Airlines Logo
5:13 pm - 1:30 pmYYZ-BIL
22h 17m1 stop
American Airlines Logo
5:10 am - 10:44 pmBIL-YYZ
15h 34m1 stop
$503American Airlines
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Wed, Nov 26 - Sun, Dec 7

United Airlines flights from Region of Ontario to Billings

Our best United Airlines deals on Region of Ontario to Billings flight tickets
United Airlines
Jan 7
YYZ4:10 pmToronto Pearson Intl
7h 13m
1 stop
BIL9:23 pmBillings Logan Intl
Jan 13
BIL6:30 amBillings Logan Intl
6h 31m
1 stop
YYZ3:01 pmToronto Pearson Intl
$301
Find similar
United Airlines
Nov 26
YYZ4:10 pmToronto Pearson Intl
8h 39m
1 stop
BIL10:49 pmBillings Logan Intl
Dec 7
BIL5:54 pmBillings Logan Intl
13h 42m
2 stops
YYZ9:36 amToronto Pearson Intl
$312
Find similar
United Airlines
Nov 26
YYZ2:15 pmToronto Pearson Intl
21h 33m
2 stops
BIL9:48 amBillings Logan Intl
Dec 7
BIL5:54 pmBillings Logan Intl
13h 42m
2 stops
YYZ9:36 amToronto Pearson Intl
$356
Find similar

Delta flights from Region of Ontario to Billings

Our best Delta deals on Region of Ontario to Billings flight tickets
Delta
Jan 7
YYZ6:10 amToronto Pearson Intl
13h 20m
2 stops
BIL5:30 pmBillings Logan Intl
Jan 13
BIL5:15 amBillings Logan Intl
11h 58m
2 stops
YYZ7:13 pmToronto Pearson Intl
$303
Find similar
Delta
Feb 21
YYZ7:50 amToronto Pearson Intl
13h 46m
2 stops
BIL7:36 pmBillings Logan Intl
Feb 24
BIL6:10 amBillings Logan Intl
7h 49m
1 stop
YYZ3:59 pmToronto Pearson Intl
$304
Find similar
Delta
Jan 7
YYZ6:00 amToronto Pearson Intl
13h 30m
2 stops
BIL5:30 pmBillings Logan Intl
Jan 13
BIL5:15 amBillings Logan Intl
11h 58m
2 stops
YYZ7:13 pmToronto Pearson Intl
$305
Find similar

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 November 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

Wed 1/7

4:10 pm-9:23 pm

1 stop7h 13m

Billings Logan Intl

Tue 1/13

6:30 am-3:01 pm

1 stop6h 31m

$301

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 1/7

6:10 am-5:30 pm

2 stops13h 20m

Billings Logan Intl

Tue 1/13

5:15 am-7:13 pm

2 stops11h 58m

$303

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Sat 2/21

7:50 am-7:36 pm

2 stops13h 46m

Billings Logan Intl

Tue 2/24

6:10 am-3:59 pm

1 stop7h 49m

$304

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 1/7

6:00 am-5:30 pm

2 stops13h 30m

Billings Logan Intl

Tue 1/13

5:15 am-7:13 pm

2 stops11h 58m

$305

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 11/26

4:10 pm-10:49 pm

1 stop8h 39m

Billings Logan Intl

Sun 12/7

5:54 pm-9:36 am

2 stops13h 42m

$312

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 11/26

2:15 pm-9:48 am

2 stops21h 33m

Billings Logan Intl

Sun 12/7

5:54 pm-9:36 am

2 stops13h 42m

$356

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 11/26

4:10 pm-9:18 pm

1 stop7h 08m

Billings Logan Intl

Sun 12/7

7:00 am-3:02 pm

1 stop6h 02m

$426

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 11/26

4:45 pm-6:32 pm

1 stop27h 47m

Billings Logan Intl

Sun 12/7

3:36 pm-3:35 pm

2 stops21h 59m

$427

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 11/26

10:50 pm-12:05 pm

2 stops39h 15m

Billings Logan Intl

Sun 12/7

10:24 pm-6:20 am

1 stop29h 56m

$430

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 11/26

5:13 pm-1:30 pm

1 stop22h 17m

Billings Logan Intl

Sun 12/7

5:10 am-10:44 pm

1 stop15h 34m

$503

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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

Direct flights

None
There are no direct flights from Region of Ontario to Billings. There are no popular flight routes from Region of Ontario to Billings.
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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.

Traveling to a place near Billings?

Book flights to Billings if you plan to visit one of these locations
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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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