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

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BIL — ONT
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
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 June 6, 2024.

Popular in

November

Cheapest in

March

Round-trip from

$238

One-way from

$209
High demand for flights, 40% potential price rise
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Best time to find cheap flights, 35% potential price drop
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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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What is the cheapest day to fly round-trip from Billings to Ontario?

Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 111% on the overall cost on flights from Billings to Ontario.

How far in advance should I book a flight from Billings to Ontario?

Users have found that booking a flight from Billings to Ontario at least 41 days early can save you up to 221% on average compared to booking a flight this week. If booking 41 days before your flight isn’t an option for you, users have found flights from Billings to Ontario for as little as $299 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $760 for flights departing within the next 3 days.

What is the cheapest month to fly from Billings to Ontario?

Flights from Billings to Ontario lean towards being more expensive in November. Prices are generally better when you fly from Billings to Ontario in February, with the cheapest ticket starting at $237.

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

A simple way to save on the total cost of your ticket is to fly from Billings to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight in the morning.

Cheap Billings to Ontario flights in June & July 2024

Find cheap flight options from Billings to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Listed are some of the best fares we've found on flights departing from Billings to Ontario in 2024. Check back soon for alternative fares.
Sat 7/132:52 pmBIL - ONT
1 stop5h 39mAlaska Airlines
Tue 7/304:24 pmONT - BIL
1 stop5h 38mAlaska Airlines
Deal found 6/6$342
Tue 7/166:40 pmBIL - ONT
1 stop6h 19mDelta
Sun 7/285:00 pmONT - BIL
1 stop6h 13mDelta
Deal found 6/6$348
Sat 7/132:52 pmBIL - ONT
1 stop5h 39mAlaska Airlines
Mon 7/297:00 amONT - BIL
1 stop6h 25mAlaska Airlines
Deal found 6/6$355
Sat 7/132:52 pmBIL - ONT
1 stop5h 39mAlaska Airlines
Sat 7/277:00 amONT - BIL
1 stop6h 12mAlaska Airlines
Deal found 6/6$362
Fri 7/197:14 pmBIL - ONT
1 stop5h 45mAlaska Airlines
Sun 7/217:55 pmONT - BIL
1 stop17h 30mAlaska Airlines
Deal found 6/5$365
Sat 7/132:52 pmBIL - ONT
1 stop5h 39mAlaska Airlines
Sun 7/287:00 amONT - BIL
1 stop6h 25mAlaska Airlines
Deal found 6/6$367
Thu 7/43:06 pmBIL - ONT
2 stops9h 53mAlaska Airlines
Tue 7/97:00 amONT - BIL
1 stop6h 25mAlaska Airlines
Deal found 6/5$370
Thu 7/253:06 pmBIL - ONT
1 stop8h 34mAlaska Airlines
Sun 7/287:00 amONT - BIL
1 stop6h 25mAlaska Airlines
Deal found 6/5$377
Thu 7/253:06 pmBIL - ONT
2 stops9h 53mAlaska Airlines
Sun 7/287:00 amONT - BIL
1 stop6h 25mAlaska Airlines
Deal found 6/5$382

Billings to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Billings and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Listed are some of the best fares we've found on flights departing from Billings to Ontario in 2024. Check back soon for alternative fares.
Sat 7/132:52 pmBIL - ONT
1 stop5h 39mAlaska Airlines
Tue 7/304:24 pmONT - BIL
1 stop5h 38mAlaska Airlines
Deal found 6/6$342
Thu 8/293:16 pmBIL - ONT
1 stop7h 59mAlaska Airlines
Wed 9/47:00 amONT - BIL
1 stop6h 36mAlaska Airlines
Deal found 6/5$345
Tue 7/166:40 pmBIL - ONT
1 stop6h 19mDelta
Wed 7/315:00 pmONT - BIL
1 stop6h 13mDelta
Deal found 6/6$348
Sat 7/132:52 pmBIL - ONT
1 stop5h 39mAlaska Airlines
Mon 7/297:00 amONT - BIL
1 stop6h 25mAlaska Airlines
Deal found 6/6$355
Sat 7/132:52 pmBIL - ONT
1 stop5h 39mAlaska Airlines
Sat 7/277:00 amONT - BIL
1 stop6h 12mAlaska Airlines
Deal found 6/6$362
Sun 8/113:06 pmBIL - ONT
1 stop5h 09mAlaska Airlines
Sun 8/257:00 amONT - BIL
1 stop6h 36mAlaska Airlines
Deal found 6/5$363
Fri 7/197:14 pmBIL - ONT
1 stop5h 45mAlaska Airlines
Sun 7/217:55 pmONT - BIL
1 stop17h 30mAlaska Airlines
Deal found 6/5$365
Sat 7/132:52 pmBIL - ONT
1 stop5h 39mAlaska Airlines
Sun 7/287:00 amONT - BIL
1 stop6h 25mAlaska Airlines
Deal found 6/6$367
Thu 7/43:06 pmBIL - ONT
2 stops9h 53mAlaska Airlines
Tue 7/97:00 amONT - BIL
1 stop6h 25mAlaska Airlines
Deal found 6/5$370

Billings to Ontario flights leaving soon

Find last-minute flight options from Billings to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Have a look at some of the last-minute flights available departing from Billings to Ontario. Tip: verify your flight details before completing your reservation.
Thu 6/1312:06 pmBIL - ONT
1 stop8h 19mAlaska Airlines
Thu 6/208:20 pmONT - BIL
1 stop25h 42mAlaska Airlines
Deal found 6/5$682
Thu 6/137:14 pmBIL - ONT
1 stop5h 45mAlaska Airlines
Thu 6/208:20 pmONT - BIL
2 stops17h 05mAlaska Airlines
Deal found 6/5$702
Thu 6/133:06 pmBIL - ONT
2 stops9h 53mAlaska Airlines
Thu 6/208:20 pmONT - BIL
2 stops17h 05mAlaska Airlines
Deal found 6/5$777

One-way flights to Ontario from Billings

Search for one-way flight options from Billings to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Take a look at some of the one-way flights we've detected from Billings to Ontario. For those needing a return trip from Billings, there is a search form available above.
Sun 8/257:00 amBIL - ONT
1 stop6h 32mUnited Airlines
Deal found 6/5$154
Tue 7/93:06 pmBIL - ONT
2 stops9h 53mAlaska Airlines
Deal found 6/5$186
Thu 8/153:06 pmBIL - ONT
2 stops9h 53mAlaska Airlines
Deal found 6/6$196
Fri 7/193:06 pmBIL - ONT
1 stop8h 34mAlaska Airlines
Deal found 6/6$197
Fri 7/197:14 pmBIL - ONT
2 stops16h 46mAlaska Airlines
Deal found 6/6$202
Thu 8/1510:42 amBIL - ONT
1 stop7h 46mUnited Airlines
Deal found 6/6$209
Tue 7/93:06 pmBIL - ONT
1 stop8h 34mAlaska Airlines
Deal found 6/5$217
Wed 7/173:06 pmBIL - ONT
2 stops9h 53mAlaska Airlines
Deal found 6/6$241
Sun 8/257:15 pmBIL - ONT
2 stops40h 35mAlaska Airlines
Deal found 6/5$260

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$342 - $578

Route

Depart

Return

Price

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Sat 7/13

1 stop5h 39m

Ontario

Tue 7/30

1 stop5h 38m

$342

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Thu 8/29

1 stop7h 59m

Ontario

Wed 9/4

1 stop6h 36m

$345

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Tue 7/16

1 stop6h 19m

Ontario

Sun 7/28

1 stop6h 13m

$348

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Sat 7/13

1 stop5h 39m

Ontario

Mon 7/29

1 stop6h 25m

$355

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Sat 7/13

1 stop5h 39m

Ontario

Sat 7/27

1 stop6h 12m

$362

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Sun 8/11

1 stop5h 09m

Ontario

Sun 8/25

1 stop6h 36m

$363

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Sat 8/24

1 stop7h 22m

Ontario

Thu 9/5

1 stop6h 44m

$378

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Wed 7/17

1 stop6h 33m

Ontario

Mon 7/22

1 stop14h 59m

$487

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Thu 8/29

2 stops8h 42m

Ontario

Wed 9/4

2 stops10h 49m

$578

Flights are sorted by cheapest first

Deals found on 6/6

What is the cheapest day to fly from Billings to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Billings to Ontario. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Billings to Ontario flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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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.

Temperature and rainfall in Ontario by month

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

LAX

Temperature

57.2 - 73.4 °F

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 June 6, 2024.
To help decide which airline to fly from Billings to Ontario, see what other customers have to say about Alaska Airlines, American Airlines and Delta. 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
8.1
Very good
9,222 reviews

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,222 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,368 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,696 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,227 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Food

7.3

Boarding

8.2

Entertainment

7.3

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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.

  • Can I find flights from Billings to Ontario for under $400 on Cheapflights?

    Yes, there are multiple flights from Billings to Ontario for under $400. The cheapest flight booked recently is on Alaska Airlines for just $342, but on average you can expect to pay $376.

  • Are there last-minute flights available from Billings to Ontario for under $700?

    There are currently 3+ open flights from Billings to Ontario within the next 7 days for less than $700.

  • 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 $342 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $348 and $378 round-trip. These flights start at 28% 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 Alaska Airlines and Delta, as they are both options that can get you from Billings to Ontario for a low price.

  • What does BIL to ONT mean?

    Great question - BIL to ONT just means Billings Logan Intl Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Billings to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Billings to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Billings to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Billings to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Billings to Ontario that allow pets onboard?

    Many airlines flying from Billings to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Billings to Ontario?

    Yes, you can often find last-minute deals on Billings to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Billings to Ontario flight deals updated?

    The Billings to Ontario flight deals you see on this page were last updated on 6/6.

  • What are the most popular airlines that fly from Billings to Ontario?

    American Airlines, Delta and United Airlines are the most popular airlines when flying from Billings to Ontario.

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

    Currently, October is the cheapest month in which you can book a flight from Billings to Ontario (average of $239). Flying from Billings to Ontario in July is currently the most expensive (average of $327). 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.

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Alternative routes for Billings to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

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Top 3 airlines flying from Billings to Ontario

Discover the top 3 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$260Average$436FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$295Average$613FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$347Average$510FlexibilityNo cancel feeOn-time71%
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Billings to Chicago O'Hare Intl Airport flights

Search flights from Billings to Ontario by cabin class

Find flights from Billings to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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