Cheap flights from Ontario to Billings from C$ 290
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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ontario to Billings
Cheapest flights from Ontario to BillingsExplore 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 8 October 2026.
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 8 October 2026.
Best flights from Ontario to BillingsDiscover carefully curated flight deals from Ontario to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.
Discover carefully curated flight deals from Ontario to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.
Last-minute flights from Ontario to BillingsDiscover last-minute flight deals from Ontario to Billings. Data last updated 8 October 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Billings. Data last updated 8 October 2026 and is based on user searches.
One-way flights from Ontario to BillingsSearch for one-way flight options from Ontario to Billings. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.
Search for one-way flight options from Ontario to Billings. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.
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 8 October 2026.
Cheapflights Fare Finder
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
TorontoBillings
YYZ Toronto Pearson Intl - BIL Billings Logan Intl
YYZBIL
Toronto Pearson Intl
Thu 22/10
7:45 a.m.-8:15 p.m.
2 stops14h 30m
Billings Logan Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
TorontoBillings
YYZ Toronto Pearson Intl - BIL Billings Logan Intl
YYZBIL
Toronto Pearson Intl
Wed 21/10
7:30 a.m.-9:10 p.m.
2 stops15h 40m
Billings Logan Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
TorontoBillings
YYZ Toronto Pearson Intl - BIL Billings Logan Intl
YYZBIL
Toronto Pearson Intl
Wed 21/10
12:49 p.m.-8:15 p.m.
1 stop9h 26m
Billings Logan Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
TorontoBillings
YYZ Toronto Pearson Intl - BIL Billings Logan Intl
YYZBIL
Toronto Pearson Intl
Thu 19/11
7:35 a.m.-10:20 p.m.
2 stops16h 45m
Billings Logan Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
TorontoBillings
YYZ Toronto Pearson Intl - BIL Billings Logan Intl
YYZBIL
Toronto Pearson Intl
Wed 18/11
7:43 a.m.-9:14 p.m.
2 stops15h 31m
Billings Logan Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
TorontoBillings
YYZ Toronto Pearson Intl - BIL Billings Logan Intl
YYZBIL
Toronto Pearson Intl
Thu 19/11
6:45 a.m.-9:14 p.m.
3 stops16h 29m
Billings Logan Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
TorontoBillings
YYZ Toronto Pearson Intl - BIL Billings Logan Intl
YYZBIL
Toronto Pearson Intl
Mon 19/10
9:00 p.m.-9:46 a.m.
2 stops14h 46m
Billings Logan Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
TorontoBillings
YYZ Toronto Pearson Intl - BIL Billings Logan Intl
YYZBIL
Toronto Pearson Intl
Sat 9/1
6:45 a.m.-1:30 p.m.
2 stops8h 45m
Billings Logan Intl
Mon 11/1
2:38 p.m.-9:47 a.m.
2 stops17h 09m
TorontoBillings
YYZ Toronto Pearson Intl - BIL Billings Logan Intl
YYZBIL
Toronto Pearson Intl
Mon 19/10
6:00 a.m.-8:57 p.m.
3 stops16h 57m
Billings Logan Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
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.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Billings
Related info for your journey
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Alternative routes for Ontario to Billings
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Complete your trip
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Direct flights to United States
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Ontario and Billings flights
Browse other Ontario and Billings flight options. Last updated on 8 October 2026.
Popular flight searches
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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 7,457,451 searches. Data last updated 8 October 2026.
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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.