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Cheap flights from Ontario to Billings from C$ 249

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BIL
29 Apr — 6 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Billings

Enter your travel dates to find the best prices.

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 30 March 2026.

Fri 17/410:45 a.m.
YYZ
-
BIL
1 stop12h 12m
United Airlines
Mon 20/47:00 a.m.
BIL
-
YYZ
1 stop12h 32m
United Airlines
Deal found 26/3C$ 347
Wed 29/46:00 a.m.
YYZ
-
BIL
2 stops16h 06m
Delta
Sat 2/55:20 a.m.
BIL
-
YYZ
2 stops15h 50m
Delta
Deal found 26/3C$ 356
Wed 29/43:53 p.m.
YYZ
-
BIL
2 stops19h 47m
United Airlines
Sat 2/55:51 p.m.
BIL
-
YYZ
2 stops15h 58m
United Airlines
Deal found 26/3C$ 399
Tue 27/107:20 p.m.
YTZ
-
BIL
2 stops19h 53m
United Airlines
Sat 31/107:00 a.m.
BIL
-
YTZ
2 stops9h 45m
United Airlines
Deal found 26/3C$ 417
Thu 25/612:25 p.m.
YYZ
-
BIL
2 stops12h 21m
Delta
Thu 2/75:18 a.m.
BIL
-
YYZ
1 stop9h 17m
Delta
Deal found 25/3C$ 421
Thu 30/44:18 p.m.
YYZ
-
BIL
1 stop7h 46m
United Airlines
Tue 5/56:35 a.m.
BIL
-
YYZ
1 stop6h 39m
United Airlines
Deal found 28/3C$ 438
Mon 11/511:29 a.m.
YYZ
-
BIL
2 stops13h 45m
Delta
Mon 18/56:19 p.m.
BIL
-
YYZ
2 stops14h 56m
Delta
Deal found 27/3C$ 513
Thu 25/612:15 p.m.
YTZ
-
BIL
2 stops11h 02m
Air Canada
Thu 2/76:00 p.m.
BIL
-
YTZ
2 stops14h 06m
Air Canada
Deal found 26/3C$ 963
Thu 25/612:15 p.m.
YTZ
-
BIL
1 stop12h 05m
United Airlines
Thu 2/76:00 p.m.
BIL
-
YTZ
2 stops14h 06m
United Airlines
Deal found 26/3C$ 964
Wed 22/712:25 p.m.
YTZ
-
BIL
2 stops11h 50m
United Airlines
Mon 27/75:00 a.m.
BIL
-
YTZ
2 stops9h 41m
United Airlines
Deal found 27/3C$ 1,478
Wed 22/76:10 p.m.
YHM
-
BIL
2 stops26h 32m
Multiple Airlines
Mon 27/77:22 p.m.
BIL
-
YHM
2 stops19h 53m
Multiple Airlines
Deal found 27/3C$ 1,503
Mon 11/511:00 a.m.
YTZ
-
BIL
2 stops11h 57m
United Airlines
Mon 18/55:05 a.m.
BIL
-
YTZ
2 stops13h 04m
United Airlines
Deal found 27/3C$ 1,727

Find flight deals from Ontario to Billings

Keep the following information in mind while searching for Ontario to Billings flight deals. Data was last updated 30 March 2026.

Round-trip from

C$ 347

One-way from

C$ 249
United Airlines
  • United Airlines
  • 17/4-20/4
  • 2 total stops
  • 24h 44m total
  • Ontario to Billings
Search Deals
Delta
  • Delta
  • 10/5
  • 2 total stops
  • 13h 23m total
  • Ontario to Billings
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 629,999 searches. Data last updated 30 March 2026.
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

Cheapest round-trip

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Fri 17/4

10:45 a.m.-8:57 p.m.

1 stop12h 12m

Billings Logan Intl

Mon 20/4

7:00 a.m.-9:32 p.m.

1 stop12h 32m

C$ 347

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Fri 17/4

2:15 p.m.-10:24 p.m.

2 stops10h 09m

Billings Logan Intl

Mon 20/4

6:18 p.m.-12:19 p.m.

2 stops16h 01m

C$ 356

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Tue 28/4

9:35 a.m.-10:05 p.m.

2 stops14h 30m

Billings Logan Intl

Tue 5/5

5:51 p.m.-10:04 a.m.

2 stops14h 13m

C$ 356

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 29/4

6:00 a.m.-8:06 p.m.

2 stops16h 06m

Billings Logan Intl

Sat 2/5

5:20 a.m.-11:10 p.m.

2 stops15h 50m

C$ 356

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Thu 30/4

6:10 a.m.-8:06 p.m.

2 stops15h 56m

Billings Logan Intl

Tue 5/5

6:24 a.m.-6:31 p.m.

1 stop10h 07m

C$ 356

TorontoBillings

YTZ - BIL

YTZBIL

Toronto Island

Thu 25/6

12:15 p.m.-9:17 p.m.

2 stops11h 02m

Billings Logan Intl

Thu 2/7

6:00 p.m.-10:06 a.m.

2 stops14h 06m

C$ 963

TorontoBillings

YTZ - BIL

YTZBIL

Toronto Island

Thu 25/6

12:15 p.m.-10:20 p.m.

1 stop12h 05m

Billings Logan Intl

Thu 2/7

6:00 p.m.-10:06 a.m.

2 stops14h 06m

C$ 964

HamiltonBillings

YHM - BIL

YHMBIL

Hamilton

Wed 22/7

6:10 p.m.-6:42 p.m.

2 stops26h 32m

Billings Logan Intl

Mon 27/7

7:22 p.m.-5:15 p.m.

2 stops19h 53m

C$ 1,503
Quickest round-trip

TorontoBillings

YTZ - BIL

YTZBIL

Toronto Island

Wed 22/7

10:45 a.m.-9:17 p.m.

2 stops12h 32m

Billings Logan Intl

Mon 27/7

8:45 a.m.-4:41 p.m.

1 stop5h 56m

C$ 1,638

TorontoBillings

YTZ - BIL

YTZBIL

Toronto Island

Mon 11/5

11:00 a.m.-8:57 p.m.

2 stops11h 57m

Billings Logan Intl

Mon 18/5

5:05 a.m.-8:09 p.m.

2 stops13h 04m

C$ 1,727

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/3

Showing 1-10 of 16 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 4.4 km from the city centre, 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?

    A quick flight from Region of Ontario to Billings can take about 10h 09m. United Airlines provides one of the quickest options available for as low as C$ 356. Region of Ontario and Billings are separated by a distance of 2282 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Region of Ontario to Billings?

    When deciding which route to take from Region of Ontario to Billings consider Toronto Pearson Intl - Billings Logan Intl, Toronto Island - Billings Logan Intl or Hamilton - Billings Logan Intl as they are the most popular.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ontario to Billings

Discover the top airline that operate flights from Ontario to Billings. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 30 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 412AverageC$ 501FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Billings?

Deals for Ontario to Billings flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Billings?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Billings from Ontario.

Can Cheapflights find flights from Ontario to Billings with no change fees?

Need flexible booking options for your flight to Billings from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Billings become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Billings flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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