What is the cheapest airline that flies from Billings Logan Intl to Ontario?

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

What airlines fly to Ontario?

Delta, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Ontario from Billings according to our data. Delta is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 3 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Billings Logan Intl Airport to Ontario Airport?

Prices for flights from Billings Logan Intl Airport to Ontario Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Billings Logan Intl Airport to Ontario Airport?

The number of operators available for flights from Billings Logan Intl Airport to Ontario Airport is 2 as of August 2025.

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

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario 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 Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$82 Cheap Flights from Billings to Ontario (BIL-ONT) in 2025

Q: What is the typical price of a round-trip flight between Billings and Ontario?

Prices are currently low for flights on this route. Typical prices usually range from $361 to $551. The lowest price recently found on this route was $284.

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Find the cheapest flights from Billings to Los Angeles (BIL-ONT)

Round-trip

One-way

Last minute

Cheap round-trip flights

7:18 pm - 12:03 amBIL-ONT

5h 45m1 stop

3:06 pm - 12:11 amONT-BIL

8h 05m1 stop

$284Hawaiian Airlines

Find Deal

Thu, Sep 4 - Mon, Sep 8

5:25 am - 8:57 amBIL-ONT

4h 32m1 stop

4:35 pm - 10:25 pmONT-BIL

4h 50m1 stop

$291Delta

Find Deal

Fri, Oct 3 - Mon, Oct 6

5:25 am - 8:55 amBIL-ONT

4h 30m1 stop

4:50 pm - 10:34 pmONT-BIL

4h 44m1 stop

$301Delta

Find Deal

Wed, Aug 20 - Sun, Aug 24

7:40 am - 3:12 pmBIL-ONT

8h 32m1 stop

6:00 am - 12:51 pmONT-BIL

5h 51m1 stop

$303Hawaiian Airlines

Find Deal

Sat, Dec 13 - Mon, Dec 15

7:18 pm - 10:44 amBIL-ONT

16h 26m1 stop

6:00 am - 12:11 amONT-BIL

17h 11m1 stop

$304Alaska Airlines

Find Deal

Tue, Sep 2 - Tue, Sep 9

5:00 am - 12:13 pmBIL-ONT

8h 13m2 stops

5:10 am - 1:17 pmONT-BIL

7h 07m1 stop

$306United Airlines

Find Deal

Thu, Aug 21 - Mon, Aug 25

1:25 pm - 10:39 amBIL-ONT

22h 14m1 stop

6:00 pm - 1:15 pmONT-BIL

18h 15m1 stop

$324Alaska Airlines

Find Deal

Fri, Dec 12 - Mon, Dec 15

5:00 am - 12:13 pmBIL-ONT

8h 13m2 stops

5:10 am - 1:17 pmONT-BIL

7h 07m1 stop

$369United Airlines

Find Deal

Wed, Aug 20 - Sun, Aug 24

6:00 am - 4:05 pmBIL-ONT

11h 05m2 stops

11:59 pm - 11:50 amONT-BIL

10h 51m2 stops

$492American Airlines

Find Deal

Fri, Oct 3 - Mon, Oct 6

6:00 am - 4:01 pmBIL-ONT

11h 01m2 stops

7:30 pm - 1:30 pmONT-BIL

17h 00m2 stops

$1,556American Airlines

Find Deal

Sun, Nov 30 - Sun, Nov 30

Delta flights from Billings to Ontario

Our best Delta deals on Billings to Ontario flight tickets

Delta

Oct 3

BIL5:25 amBillings Logan Intl

4h 32m

1 stop

ONT8:57 amOntario

Oct 6

ONT4:35 pmOntario

4h 50m

1 stop

BIL10:25 pmBillings Logan Intl

$291

Find similar

Delta

Aug 20

BIL5:25 amBillings Logan Intl

4h 30m

1 stop

ONT8:55 amOntario

Aug 24

ONT4:50 pmOntario

4h 44m

1 stop

BIL10:34 pmBillings Logan Intl

$301

Find similar

Delta

Oct 3

BIL5:25 amBillings Logan Intl

4h 32m

1 stop

ONT8:57 amOntario

Oct 6

ONT4:35 pmOntario

4h 50m

1 stop

BIL10:25 pmBillings Logan Intl

$320

Find similar

United Airlines flights from Billings to Ontario

Our best United Airlines deals on Billings to Ontario flight tickets

United Airlines

Aug 21

BIL5:00 amBillings Logan Intl

8h 13m

2 stops

ONT12:13 pmOntario

Aug 25

ONT5:10 amOntario

7h 07m

1 stop

BIL1:17 pmBillings Logan Intl

$306

Find similar

United Airlines

Aug 20

BIL5:00 amBillings Logan Intl

8h 13m

2 stops

ONT12:13 pmOntario

Aug 24

ONT5:10 amOntario

7h 07m

1 stop

BIL1:17 pmBillings Logan Intl

$369

Find similar

United Airlines

Aug 29

BIL5:57 pmBillings Logan Intl

19h 35m

1 stop

ONT12:32 pmOntario

Sep 1

ONT5:10 amOntario

7h 07m

1 stop

BIL1:17 pmBillings Logan Intl

$379

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

Thu 9/4

7:18 pm-12:03 am

1 stop5h 45m

Ontario

Mon 9/8

3:06 pm-12:11 am

1 stop8h 05m

$284

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

Fri 10/3

5:25 am-8:57 am

1 stop4h 32m

Ontario

Mon 10/6

4:35 pm-10:25 pm

1 stop4h 50m

$291

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

Wed 8/20

5:25 am-8:55 am

1 stop4h 30m

Ontario

Sun 8/24

4:50 pm-10:34 pm

1 stop4h 44m

$301

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

Sat 12/13

7:40 am-3:12 pm

1 stop8h 32m

Ontario

Mon 12/15

6:00 am-12:51 pm

1 stop5h 51m

$303

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

Tue 9/2

7:18 pm-10:44 am

1 stop16h 26m

Ontario

Tue 9/9

6:00 am-12:11 am

1 stop17h 11m

$304

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

Thu 8/21

5:00 am-12:13 pm

2 stops8h 13m

Ontario

Mon 8/25

5:10 am-1:17 pm

1 stop7h 07m

$306

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

Fri 12/12

1:25 pm-10:39 am

1 stop22h 14m

Ontario

Mon 12/15

6:00 pm-1:15 pm

1 stop18h 15m

$324

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

Wed 8/20

5:00 am-12:13 pm

2 stops8h 13m

Ontario

Sun 8/24

5:10 am-1:17 pm

1 stop7h 07m

$369

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

Fri 10/3

6:00 am-4:05 pm

2 stops11h 05m

Ontario

Mon 10/6

11:59 pm-11:50 am

2 stops10h 51m

$492

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

Sun 11/30

6:00 am-4:01 pm

2 stops11h 01m

Ontario

Sun 11/30

7:30 pm-1:30 pm

2 stops17h 00m

$1,556

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Billings to Ontario

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

Prices

Airlines

What is the typical price of a round-trip flight between Billings and Ontario?

What is the cheapest month to fly to Ontario?

In general, November is the cheapest month to fly from Billings to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $255. If you aren’t able to travel during the month of November, then book flights to Ontario from Billings during February instead. Flights to Ontario in February, while not as cheap as those in November, still average around $261.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Monday when prices can be found for as low as $293. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Billings to Ontario for around $494.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Billings to Ontario when you can find flight prices for as low as $337. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $494 on average. Flights to Ontario from Billings in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Billings to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Billings to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Billings to Ontario (BIL to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to Ontario

Best Price Found	$120
Fastest flight time	4h 30m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from Billings in the past 72 hours is $120. The best round-trip flight deal from Billings to Ontario found on momondo in the last 72 hours is $284.

The fastest flight from Billings to Ontario takes 4h 30m

There are no direct flights from Billings to Ontario. Popular non-direct route for this connection is Billings Logan Intl Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

Search flight deals

How far is Billings Logan Intl to Ontario by plane?
The straight-line distance from Billings Logan Intl to Ontario is 941.7 mi. A reasonable flight in good conditions will take 4h 30m.
When did momondo last update prices for flights from Billings Logan Intl Airport to Ontario Airport?
Prices for flights from Billings Logan Intl Airport to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Billings Logan Intl Airport to Ontario Airport?
The number of operators available for flights from Billings Logan Intl Airport to Ontario Airport is 2 as of August 2025.
How old do you have to be to fly from Billings Logan Intl Airport to Ontario 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 Billings Logan Intl Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario 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 Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Billings to Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Billings to Ontario is Delta (51% of total bookings). The next most popular airline is Alaska Airlines (49%).

Best airlines flying from Billings to Ontario

Compare and see reviews for airlines that fly from Billings to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $82	Free Cancellation	Rating 8.0 10,000 reviews		Search Alaska Airlines flights
Delta	PriceFrom $266	Free Cancellation	Rating 8.0 7,985 reviews		Search Delta flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Billings to Ontario for you.

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

Yes. momondo allows you to filter the results for Billings to Ontario flights to just show those with flexible booking policies.

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

Once you have performed a search for Billings to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Billings to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Billings. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.