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Cheap flights from Ontario to Billings from C$ 312

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 26/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Billings

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 p.m. - 9:51 a.m.YYZ  Toronto Pearson Intl-BIL Billings Logan Intl
14h 51m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
7:00 a.m. - 3:12 p.m.BIL  Billings Logan Intl-YYZ Toronto Pearson Intl
6h 12m1 stop Denver Intl
C$ 584United Airlines
Thu, 21 Jan - Sat, 23 Jan
Delta Logo
6:15 a.m. - 10:32 p.m.YYZ  Toronto Pearson Intl-BIL Billings Logan Intl
18h 17m2 stops Atlanta Hartsfield-Jackson Salt Lake City
Delta Logo
6:15 a.m. - 8:28 p.m.BIL  Billings Logan Intl-YYZ Toronto Pearson Intl
12h 13m2 stops Minneapolis St Paul New York LaGuardia
C$ 594Delta
Thu, 21 Jan - Sat, 23 Jan
United Airlines Logo
7:20 p.m. - 5:14 p.m.YTZ  Toronto Island-BIL Billings Logan Intl
23h 54m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
4:00 p.m. - 6:45 p.m.BIL  Billings Logan Intl-YTZ Toronto Island
24h 45m2 stops Denver Intl Washington, D.C. Dulles Intl
C$ 613United Airlines
Thu, 5 Nov - Mon, 9 Nov
United Airlines Logo
7:20 p.m. - 5:14 p.m.YTZ  Toronto Island-BIL Billings Logan Intl
23h 54m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
4:00 p.m. - 6:45 p.m.BIL  Billings Logan Intl-YTZ Toronto Island
24h 45m2 stops Denver Intl Washington, D.C. Dulles Intl
C$ 616United Airlines
Thu, 5 Nov - Mon, 9 Nov
United Airlines Logo
4:18 p.m. - 10:53 p.m.YYZ  Toronto Pearson Intl-BIL Billings Logan Intl
8h 35m1 stop Denver Intl
United Airlines Logo
7:00 a.m. - 3:14 p.m.BIL  Billings Logan Intl-YYZ Toronto Pearson Intl
6h 14m1 stop Denver Intl
C$ 620United Airlines
Sat, 12 Sep - Sun, 27 Sep
United Airlines Logo
4:00 p.m. - 8:51 p.m.YYZ  Toronto Pearson Intl-BIL Billings Logan Intl
6h 51m1 stop Denver Intl
United Airlines Logo
7:00 a.m. - 3:12 p.m.BIL  Billings Logan Intl-YYZ Toronto Pearson Intl
6h 12m1 stop Denver Intl
C$ 638United Airlines
Thu, 21 Jan - Sat, 23 Jan
United Airlines Logo
4:00 p.m. - 8:51 p.m.YYZ  Toronto Pearson Intl-BIL Billings Logan Intl
6h 51m1 stop Denver Intl
United Airlines Logo
7:00 a.m. - 3:12 p.m.BIL  Billings Logan Intl-YYZ Toronto Pearson Intl
6h 12m1 stop Denver Intl
C$ 685United Airlines
Thu, 21 Jan - Sat, 23 Jan
United Airlines Logo
4:00 p.m. - 8:51 p.m.YYZ  Toronto Pearson Intl-BIL Billings Logan Intl
6h 51m1 stop Denver Intl
United Airlines Logo
4:13 p.m. - 2:10 p.m.BIL  Billings Logan Intl-YYZ Toronto Pearson Intl
19h 57m2 stops Denver Intl Houston George Bush Intcntl
C$ 688United Airlines
Thu, 21 Jan - Sat, 23 Jan
United Airlines Logo
4:00 p.m. - 8:51 p.m.YYZ  Toronto Pearson Intl-BIL Billings Logan Intl
6h 51m1 stop Denver Intl
United Airlines Logo
7:00 a.m. - 3:12 p.m.BIL  Billings Logan Intl-YYZ Toronto Pearson Intl
6h 12m1 stop Denver Intl
C$ 689United Airlines
Thu, 21 Jan - Sat, 23 Jan
United Airlines Logo
7:20 p.m. - 1:29 p.m.YTZ  Toronto Island-BIL Billings Logan Intl
20h 09m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
5:55 p.m. - 6:45 p.m.BIL  Billings Logan Intl-YTZ Toronto Island
22h 50m2 stops Denver Intl Washington, D.C. Dulles Intl
C$ 696United Airlines
Thu, 5 Nov - Mon, 9 Nov

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Air Canada flights from Region of Ontario to Billings

Our best Air Canada deals on Region of Ontario to Billings flight tickets
Air Canada
28 Aug
YYZ6:40 p.m.Toronto Pearson Intl
17h 01m
1 stop
BIL9:41 a.m.Billings Logan Intl
30 Aug
BIL2:29 p.m.Billings Logan Intl
6h 48m
1 stop
YYZ11:17 p.m.Toronto Pearson Intl
C$ 724
Air Canada
12 Sep
YYZ8:45 a.m.Toronto Pearson Intl
14h 15m
1 stop
BIL9:00 p.m.Billings Logan Intl
27 Sep
BIL7:00 a.m.Billings Logan Intl
14h 16m
1 stop
YYZ11:16 p.m.Toronto Pearson Intl
C$ 1,272
Air Canada
12 Sep
YYZ10:45 a.m.Toronto Pearson Intl
12h 15m
1 stop
BIL9:00 p.m.Billings Logan Intl
27 Sep
BIL7:00 a.m.Billings Logan Intl
14h 16m
1 stop
YYZ11:16 p.m.Toronto Pearson Intl
C$ 1,276

United Airlines flights from Region of Ontario to Billings

Our best United Airlines deals on Region of Ontario to Billings flight tickets
United Airlines
21 Jan
YYZ9:00 p.m.Toronto Pearson Intl
14h 51m
2 stops
BIL9:51 a.m.Billings Logan Intl
23 Jan
BIL7:00 a.m.Billings Logan Intl
6h 12m
1 stop
YYZ3:12 p.m.Toronto Pearson Intl
C$ 584
United Airlines
5 Nov
YTZ7:20 p.m.Toronto Island
23h 54m
2 stops
BIL5:14 p.m.Billings Logan Intl
9 Nov
BIL4:00 p.m.Billings Logan Intl
24h 45m
2 stops
YTZ6:45 p.m.Toronto Island
C$ 613
United Airlines
5 Nov
YTZ7:20 p.m.Toronto Island
23h 54m
2 stops
BIL5:14 p.m.Billings Logan Intl
9 Nov
BIL4:00 p.m.Billings Logan Intl
24h 45m
2 stops
YTZ6:45 p.m.Toronto Island
C$ 616

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 96,600 searches. Data last updated 17 August 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 Toronto Pearson Intl - BIL Billings Logan Intl

YYZBIL

Toronto Pearson Intl

Thu 21/1

9:00 p.m.-9:51 a.m.

2 stops14h 51m

Billings Logan Intl

Sat 23/1

7:00 a.m.-3:12 p.m.

1 stop6h 12m

C$ 584

TorontoBillings

YYZ Toronto Pearson Intl - BIL Billings Logan Intl

YYZBIL

Toronto Pearson Intl

Thu 21/1

6:15 a.m.-10:32 p.m.

2 stops18h 17m

Billings Logan Intl

Sat 23/1

6:15 a.m.-8:28 p.m.

2 stops12h 13m

C$ 594

TorontoBillings

YTZ Toronto Island - BIL Billings Logan Intl

YTZBIL

Toronto Island

Thu 5/11

7:20 p.m.-5:14 p.m.

2 stops23h 54m

Billings Logan Intl

Mon 9/11

4:00 p.m.-6:45 p.m.

2 stops24h 45m

C$ 613

TorontoBillings

YTZ Toronto Island - BIL Billings Logan Intl

YTZBIL

Toronto Island

Thu 5/11

7:20 p.m.-5:14 p.m.

2 stops23h 54m

Billings Logan Intl

Mon 9/11

4:00 p.m.-6:45 p.m.

2 stops24h 45m

C$ 616

TorontoBillings

YYZ Toronto Pearson Intl - BIL Billings Logan Intl

YYZBIL

Toronto Pearson Intl

Sat 12/9

4:18 p.m.-10:53 p.m.

1 stop8h 35m

Billings Logan Intl

Sun 27/9

7:00 a.m.-3:14 p.m.

1 stop6h 14m

C$ 620
Quickest round-trip

TorontoBillings

YYZ Toronto Pearson Intl - BIL Billings Logan Intl

YYZBIL

Toronto Pearson Intl

Thu 21/1

4:00 p.m.-8:51 p.m.

1 stop6h 51m

Billings Logan Intl

Sat 23/1

7:00 a.m.-3:12 p.m.

1 stop6h 12m

C$ 638

TorontoBillings

YYZ Toronto Pearson Intl - BIL Billings Logan Intl

YYZBIL

Toronto Pearson Intl

Thu 21/1

4:00 p.m.-8:51 p.m.

1 stop6h 51m

Billings Logan Intl

Sat 23/1

7:00 a.m.-3:12 p.m.

1 stop6h 12m

C$ 685

TorontoBillings

YYZ Toronto Pearson Intl - BIL Billings Logan Intl

YYZBIL

Toronto Pearson Intl

Thu 21/1

4:00 p.m.-8:51 p.m.

1 stop6h 51m

Billings Logan Intl

Sat 23/1

4:13 p.m.-2:10 p.m.

2 stops19h 57m

C$ 688

TorontoBillings

YYZ Toronto Pearson Intl - BIL Billings Logan Intl

YYZBIL

Toronto Pearson Intl

Thu 21/1

4:00 p.m.-8:51 p.m.

1 stop6h 51m

Billings Logan Intl

Sat 23/1

7:00 a.m.-3:12 p.m.

1 stop6h 12m

C$ 689

TorontoBillings

YTZ Toronto Island - BIL Billings Logan Intl

YTZBIL

Toronto Island

Thu 5/11

7:20 p.m.-1:29 p.m.

2 stops20h 09m

Billings Logan Intl

Mon 9/11

5:55 p.m.-6:45 p.m.

2 stops22h 50m

C$ 696

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 airline that flies from Ontario to Billings Logan Intl?

United Airlines, Air Canada, and American Airlines are the most popular carriers operating from Ontario to Billings Logan Intl

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

Fastest flight time

6h 35m

Direct flights

None
The fastest flight from Region of Ontario to Billings takes 6h 35m
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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Frequently asked questions about flying from Ontario to Billings

  • 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 are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to Billings Logan Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Billings Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

Finding the right flight to Billings from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Billings quick and easy, saving you time and money.

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

Flights from Ontario to Billings with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Ontario and Billings by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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