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$154+ Cheap flights from Billings to Ontario (BIL - ONT)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — ONT
fev 25 — mar 41
ter 2/25
ter 3/4
1 adult, Economy
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Cheap flight deals from Billings to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated fevereiro 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$246
(Alaska Airlines)

One-way from

$154
(United Airlines)

Popular in

July

Cheapest in

November

Average price

$345
Provider with most accurate pricing for Billings Logan Intl-Ontario flight deals.
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Provider most trusted by Cheapflights users for Billings Logan Intl-Ontario flights.
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From Billings Logan Intl to Ontario
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One-way flight from Billings Logan Intl to Ontario
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Highest demand for flights based on searches. 21% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Billings to Ontario

Cheapest flights from Billings to Ontario
Explore the most affordable flight options available from Billings to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on fevereiro 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 4/182:55 pmBIL - ONT
1 stop10h 04mAlaska Airlines
ter 4/228:59 pmONT - BIL
1 stop17h 08mAlaska Airlines
Deal found 2/19$246
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 4/186:26 pmBIL - ONT
1 stop6h 15mDelta
ter 4/222:35 pmONT - BIL
2 stops8h 38mDelta
Deal found 2/19$252
This United Airlines deal was found by Cheapflights users on 2/18. 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.
ter 3/112:45 pmBIL - ONT
1 stop7h 12mUnited Airlines
ter 3/255:05 amONT - BIL
1 stop7h 18mUnited Airlines
Deal found 2/18$307
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 4/175:00 amBIL - ONT
2 stops10h 50mMultiple Airlines
seg 4/216:55 amONT - BIL
1 stop6h 20mMultiple Airlines
Deal found 2/19$608

Find flights from Billings to Ontario within your budget

Customize your flight search to find flights from Billings to Ontario 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 fevereiro 20, 2025.

Fly from

Billings

Fly to

Ontario

Route

Depart

Return

Price

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

sex 4/18

2:55 pm-11:59 pm

1 stop10h 04m

Ontario

ter 4/22

8:59 pm-3:07 pm

1 stop17h 08m

$246

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

sex 4/18

6:26 pm-11:41 pm

1 stop6h 15m

Ontario

ter 4/22

2:35 pm-12:13 am

2 stops8h 38m

$252

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

ter 3/11

2:45 pm-8:57 pm

1 stop7h 12m

Ontario

ter 3/25

5:05 am-1:23 pm

1 stop7h 18m

$307

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

qui 4/17

5:00 am-2:50 pm

2 stops10h 50m

Ontario

seg 4/21

6:55 am-2:15 pm

1 stop6h 20m

$608

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

qua 3/26

7:00 am-12:44 pm

1 stop6h 44m

$154

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

seg 3/3

1:29 pm-6:19 pm

1 stop5h 50m

$341

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

seg 3/3

1:29 pm-11:58 pm

2 stops11h 29m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Compare providers for flights from Billings to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to Ontario in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billings-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billings-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Billings to Ontario

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

Travel insights for flights from Billings to Ontario

Get recent, data-driven insights about flights from Billings to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Billings to Ontario?

Currently, August is the cheapest month in which you can book a flight from Billings to Ontario (average of $246). Flying from Billings to Ontario in March is currently the most expensive (average of $315). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Billings to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated fevereiro 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Billings to Ontario in the afternoon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the morning.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated fevereiro 20, 2025.
To help decide which airline to fly from Billings to Ontario, see what other customers have to say about Alaska Airlines, Delta and Hawaiian Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,691 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,691 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta
8.0
Very good
8,227 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Hawaiian Airlines
7.9
Good
2,317 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

United Airlines
7.4
Good
8,768 reviews
Alaska Airlines
8.0
Very good
9,691 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

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

  • What are the cheapest airlines flying from Billings to Ontario round-trip?

    Our cheapest airline available from Billings to Ontario is Alaska Airlines. Our recent data shows that you can find tickets from as low as $246 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $252 and $307 round-trip. These flights start at 35% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Billings to Ontario one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $154. However, be on the lookout for offers from Hawaiian Airlines and Alaska Airlines, as they are both options that can get you from Billings to Ontario for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Billings to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Billings to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Billings to Ontario (average of $246). Flying from Billings to Ontario in March is currently the most expensive (average of $315). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Billings to Ontario

Discover the top 2 airlines that operate flights from Billings to Ontario. 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 2,558,603 searches. Data last updated fevereiro 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$82Average$263FlexibilityNo cancel feeOn-time75%
DeltaCheapest$277Average$392FlexibilityNo cancel feeOn-timeN/A
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