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$579+ Cheap flights from Ontario to Billings (BIL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BIL
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Ontario to Billings

Cheapest flights from Ontario to Billings
Explore the most affordable flight options available from Ontario to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Air Canada deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/148:55 pmYYZ - BIL
2 stops18h 23mAir Canada
Sat 12/276:35 amBIL - YYZ
1 stop14h 06mAir Canada
Deal found 11/2$718
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/144:10 pmYYZ - BIL
1 stop7h 11mUnited Airlines
Sat 12/276:35 amBIL - YYZ
1 stop14h 06mUnited Airlines
Deal found 11/3$725
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:30 amYYZ - BIL
2 stops11h 46mUnited Airlines
Sat 11/157:00 amBIL - YYZ
2 stops12h 21mUnited Airlines
Deal found 11/3$729

Cheap flight deals from Ontario to Billings

Keep the following information in mind while searching for Ontario to Billings flight deals. Data was last updated November 3, 2025.

Round-trip from

$579
(Alaska Airlines)

Popular in

July

Cheapest in

May

Average price

$674
From Ontario to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Ontario to Billings that are best for you.

Fly from

Ontario

Fly to

Billings

Route

Depart

Return

Price

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Fri 3/27

4:00 pm-8:54 pm

1 stop6h 54m

Billings Logan Intl

Tue 3/31

5:00 am-4:28 pm

2 stops9h 28m

$579

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Fri 3/27

4:45 pm-10:43 pm

1 stop7h 58m

Billings Logan Intl

Tue 3/31

6:00 am-3:35 pm

1 stop7h 35m

$579

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Fri 3/27

7:59 am-10:18 pm

2 stops16h 19m

Billings Logan Intl

Tue 3/31

7:52 am-9:44 pm

2 stops11h 52m

$579

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Sun 12/14

8:55 pm-1:18 pm

2 stops18h 23m

Billings Logan Intl

Sat 12/27

6:35 am-11:59 pm

2 stops15h 24m

$718

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Sun 12/14

4:10 pm-9:21 pm

1 stop7h 11m

Billings Logan Intl

Sat 12/27

6:35 am-6:35 pm

1 stop10h 00m

$725

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Best time to book a flight from Ontario to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings 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 Billings

What is the cheapest time of day to fly from ON to BIL?

Find hourly flight availability from Ontario to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Region of Ontario to Billings at noon. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Billings. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Billings from Ontario?

    Located just 2.7 mi from the city center, Billings Logan Intl (BIL) is the airport most travelers will use when flying to Billings from Ontario.

  • How long is the flight from Region of Ontario to Billings?

    United Airlines, Alaska Airlines, and American Airlines can get you from Region of Ontario to Billings in just under 6h 54m. Your travel time can differ by up to 9h 25m. The distance from Region of Ontario to Billings is about 1418 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Ontario to Billings that include hotel bookings?

    Yes. In addition to deals on Ontario to Billings flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Billings?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Billings.

  • Can I find deals for business class flights from Ontario to Billings?

    Yes. Cheapflights offers flight deals from Ontario to Billings 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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