Cheap flights from Billings to Ontario (BIL - ONT) from $169

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to Ontario departing on 3/29. 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
Mar 5 — Mar 121

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 February 29, 2024.

Popular in

May

Cheapest in

January

Round-trip from

$238

One-way from

$229
High demand for flights, 20% potential price rise
Best time to find cheap flights, 33% potential price drop
From Billings Logan Intl to Ontario
One-way flight from Billings Logan Intl to Ontario

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 18 days early can save you up to 108% on average compared to booking a flight this week. If booking 18 days before your flight isn’t an option for you, users have found flights from Billings to Ontario for as little as $540 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 August. Prices are generally better when you fly from Billings to Ontario in February, with the cheapest ticket starting at $324.

When is the cheapest time to fly from Billings to Ontario (BIL - 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 32% on your trip compared to booking a flight in the morning.

Cheap Delta flights from Billings to Ontario

Explore cheap flight options specifically provided by Delta for the route between Billings and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Take a peek at the cheapest Delta flights we've detected traveling from Billings to Ontario. Make sure to check back often as deals are often changing.
Fri 3/296:29 pmBIL - ONT
1 stop6h 17mDelta
Fri 4/55:45 amONT - BIL
1 stop4h 08mDelta
Deal found 2/28$338
Sat 4/201:00 pmBIL - ONT
2 stops10h 40mDelta
Wed 4/245:19 pmONT - BIL
1 stop6h 18mDelta
Deal found 2/28$343
Sat 4/205:30 amBIL - ONT
2 stops8h 42mDelta
Wed 4/245:40 pmONT - BIL
2 stops16h 12mDelta
Deal found 2/28$365
Wed 5/296:35 pmBIL - ONT
1 stop6h 09mDelta
Tue 6/45:20 pmONT - BIL
1 stop6h 04mDelta
Deal found 2/27$398
Thu 5/306:35 pmBIL - ONT
1 stop6h 09mDelta
Tue 6/45:20 pmONT - BIL
1 stop6h 04mDelta
Deal found 2/27$408
Fri 5/316:35 pmBIL - ONT
1 stop6h 09mDelta
Tue 6/45:20 pmONT - BIL
1 stop6h 04mDelta
Deal found 2/27$438
Fri 8/166:40 pmBIL - ONT
2 stops22h 26mDelta
Tue 8/2011:30 amONT - BIL
2 stops11h 45mDelta
Deal found 2/27$475
Mon 7/156:40 pmBIL - ONT
1 stop6h 04mDelta
Thu 7/255:00 pmONT - BIL
1 stop6h 15mDelta
Deal found 2/28$538
Tue 7/166:40 pmBIL - ONT
1 stop6h 04mDelta
Thu 7/252:00 pmONT - BIL
2 stops9h 15mDelta
Deal found 2/28$548

Cheap Alaska Airlines flights from Billings to Ontario

Explore cheap flight options specifically provided by Alaska Airlines for the route between Billings and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
To aid your search, here are some of the cheapest Alaska Airlines flights we've found from Billings to Ontario. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Sat 4/207:00 amBIL - ONT
1 stop10h 05mAlaska Airlines
Wed 4/246:00 amONT - BIL
1 stop16h 05mAlaska Airlines
Deal found 2/28$407
Wed 3/207:00 amBIL - ONT
1 stop10h 37mAlaska Airlines
Tue 3/266:00 amONT - BIL
1 stop16h 02mAlaska Airlines
Deal found 2/28$527
Thu 3/217:00 amBIL - ONT
1 stop27h 25mAlaska Airlines
Tue 3/266:00 amONT - BIL
1 stop16h 02mAlaska Airlines
Deal found 2/28$562
Wed 3/207:00 amBIL - ONT
1 stop10h 37mAlaska Airlines
Sun 3/246:00 amONT - BIL
1 stop16h 02mAlaska Airlines
Deal found 2/28$607
Thu 5/306:40 amBIL - ONT
1 stop18h 18mAlaska Airlines
Mon 6/37:10 amONT - BIL
1 stop28h 00mAlaska Airlines
Deal found 2/27$617
Tue 3/127:00 amBIL - ONT
1 stop26h 49mAlaska Airlines
Mon 3/187:59 pmONT - BIL
1 stop26h 03mAlaska Airlines
Deal found 2/27$622
Tue 3/127:00 amBIL - ONT
2 stops16h 09mAlaska Airlines
Mon 3/187:59 pmONT - BIL
1 stop26h 03mAlaska Airlines
Deal found 2/27$627

Cheap Billings to Ontario flights in February & March 2024

Find cheap flight options from Billings to Ontario specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,314,962 searches. Prices were last updated on February 29, 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.
Fri 3/296:29 pmBIL - ONT
1 stop6h 17mDelta
Fri 4/55:45 amONT - BIL
1 stop4h 08mDelta
Deal found 2/28$338
Wed 3/202:18 pmBIL - ONT
1 stop7h 39mUnited Airlines
Tue 3/265:15 amONT - BIL
1 stop6h 56mUnited Airlines
Deal found 2/28$468
Wed 3/207:00 amBIL - ONT
2 stops16h 01mUnited Airlines
Tue 3/265:15 amONT - BIL
1 stop6h 56mUnited Airlines
Deal found 2/28$474
Thu 3/212:18 pmBIL - ONT
1 stop7h 39mUnited Airlines
Tue 3/265:15 amONT - BIL
1 stop6h 56mUnited Airlines
Deal found 2/28$515
Wed 3/207:00 amBIL - ONT
1 stop10h 37mAlaska Airlines
Tue 3/266:00 amONT - BIL
1 stop16h 02mAlaska Airlines
Deal found 2/28$527
Wed 3/202:18 pmBIL - ONT
1 stop7h 39mUnited Airlines
Sun 3/245:15 amONT - BIL
1 stop6h 56mUnited Airlines
Deal found 2/28$547
Wed 3/207:00 amBIL - ONT
2 stops16h 01mUnited Airlines
Sun 3/245:15 amONT - BIL
1 stop6h 56mUnited Airlines
Deal found 2/28$553
Thu 3/217:00 amBIL - ONT
1 stop27h 25mAlaska Airlines
Tue 3/266:00 amONT - BIL
1 stop16h 02mAlaska Airlines
Deal found 2/28$562
Wed 3/136:29 pmBIL - ONT
1 stop6h 17mDelta
Tue 3/195:01 pmONT - BIL
1 stop6h 20mDelta
Deal found 2/28$578

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 3,314,962 searches. Data last updated February 29, 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.
Fri 3/296:29 pmBIL - ONT
1 stop6h 17mDelta
Fri 4/55:45 amONT - BIL
1 stop4h 08mDelta
Deal found 2/28$338
Sat 4/201:00 pmBIL - ONT
2 stops10h 40mDelta
Wed 4/245:19 pmONT - BIL
1 stop6h 18mDelta
Deal found 2/28$343
Sat 4/205:30 amBIL - ONT
2 stops8h 42mDelta
Wed 4/245:40 pmONT - BIL
2 stops16h 12mDelta
Deal found 2/28$365
Wed 5/296:35 pmBIL - ONT
1 stop6h 09mDelta
Tue 6/45:20 pmONT - BIL
1 stop6h 04mDelta
Deal found 2/27$398
Sat 4/207:00 amBIL - ONT
1 stop10h 05mAlaska Airlines
Wed 4/246:00 amONT - BIL
1 stop16h 05mAlaska Airlines
Deal found 2/28$407
Thu 5/306:35 pmBIL - ONT
1 stop6h 09mDelta
Tue 6/45:20 pmONT - BIL
1 stop6h 04mDelta
Deal found 2/27$408
Fri 5/316:35 pmBIL - ONT
1 stop6h 09mDelta
Tue 6/45:20 pmONT - BIL
1 stop6h 04mDelta
Deal found 2/27$438
Wed 3/202:18 pmBIL - ONT
1 stop7h 39mUnited Airlines
Tue 3/265:15 amONT - BIL
1 stop6h 56mUnited Airlines
Deal found 2/28$468
Wed 3/207:00 amBIL - ONT
2 stops16h 01mUnited Airlines
Tue 3/265:15 amONT - BIL
1 stop6h 56mUnited Airlines
Deal found 2/28$474

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 3,314,962 searches. Data last updated February 29, 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.
Tue 3/55:16 amBIL - ONT
1 stop5h 03mAmerican Airlines
Fri 3/87:37 pmONT - BIL
1 stop26h 00mAmerican Airlines
Deal found 2/29$963
Tue 3/51:58 pmBIL - ONT
2 stops9h 02mAmerican Airlines
Fri 3/812:55 pmONT - BIL
1 stop8h 42mAmerican Airlines
Deal found 2/29$968
Tue 3/51:58 pmBIL - ONT
2 stops9h 02mAmerican Airlines
Fri 3/82:52 pmONT - BIL
2 stops30h 45mAmerican Airlines
Deal found 2/29$1,138
Tue 3/55:16 amBIL - ONT
1 stop7h 27mAmerican Airlines
Thu 3/712:59 amONT - BIL
1 stop11h 27mAmerican Airlines
Deal found 2/29$1,388
Tue 3/51:58 pmBIL - ONT
2 stops9h 02mAmerican Airlines
Thu 3/712:59 amONT - BIL
1 stop11h 27mAmerican Airlines
Deal found 2/29$1,393
Tue 3/51:58 pmBIL - ONT
2 stops9h 02mAmerican Airlines
Thu 3/712:59 amONT - BIL
2 stops20h 38mAmerican Airlines
Deal found 2/29$1,400

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 3,314,962 searches. Data last updated February 29, 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.
Fri 3/296:29 pmBIL - ONT
1 stop6h 17mDelta
Deal found 2/28$169
Sat 3/302:18 pmBIL - ONT
1 stop7h 39mUnited Airlines
Deal found 2/28$204
Tue 5/2811:35 amBIL - ONT
1 stop6h 02mDelta
Deal found 2/27$229
Sat 3/307:00 amBIL - ONT
2 stops16h 01mUnited Airlines
Deal found 2/28$266
Wed 6/122:40 pmBIL - ONT
1 stop7h 08mUnited Airlines
Deal found 2/27$285
Fri 3/297:00 amBIL - ONT
2 stops16h 01mUnited Airlines
Deal found 2/28$336
Thu 6/133:06 pmBIL - ONT
1 stop8h 34mAlaska Airlines
Deal found 2/27$337
Wed 6/128:30 amBIL - ONT
2 stops14h 57mUnited Airlines
Deal found 2/27$338
Fri 6/145:52 pmBIL - ONT
1 stop27h 56mUnited Airlines
Deal found 2/27$343

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 3,314,962 searches. Data last updated February 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$338 - $757

Route

Depart

Return

Price

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Fri 3/29

1 stop6h 17m

Ontario

Fri 4/5

1 stop4h 08m

$338

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Sat 4/20

2 stops10h 40m

Ontario

Wed 4/24

1 stop6h 18m

$343

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Sat 4/20

2 stops8h 42m

Ontario

Wed 4/24

2 stops16h 12m

$365

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Wed 5/29

1 stop6h 09m

Ontario

Tue 6/4

1 stop6h 04m

$398

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Sat 4/20

1 stop10h 05m

Ontario

Wed 4/24

1 stop16h 05m

$407

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Wed 3/20

1 stop7h 39m

Ontario

Tue 3/26

1 stop6h 56m

$468

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Wed 3/20

2 stops16h 01m

Ontario

Tue 3/26

1 stop6h 56m

$474

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Wed 3/20

1 stop10h 37m

Ontario

Tue 3/26

1 stop16h 02m

$527

Billings Logan IntlOntario

BIL - ONT

BILONT

Billings Logan Intl

Fri 3/29

1 stop5h 19m

Ontario

Fri 4/5

2 stops9h 49m

$757

Flights are sorted by cheapest first

Deals found on 2/28

When is the cheapest time 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 February 25, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Billings to Ontario flight should consider departing on Monday 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.
Search Deals

Average price of flights to Ontario by month

Plan your trip from Billings to Ontario by taking into account the cheapest months to travel. The average price of a one-way flight from Billings to Ontario is currently $279 while a round-trip flight costs $453. Price data was last updated on February 25, 2024.

Currently, October is the cheapest month in which you can book a flight from Billings to Ontario (average of $237). Flying from Billings to Ontario in June is currently the most expensive (average of $357). 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.

January

$271

February

$282

March

$289

April

$308

May

$289

June

$357

July

$332

August

$288

September

$258

October

$237

November

$268

December

$271

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

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 February 29, 2024.
To help decide which airline to fly from Billings to Ontario, see what other customers have to say about Delta, Alaska Airlines and United 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.
8.1
Very good
9,264 reviews

Food

7.4

Entertainment

7.4

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

8.1
Very good
9,264 reviews
8.1
Very good
9,264 reviews

Food

7.4

Entertainment

7.4

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

8.1
Very good
11,818 reviews
8.1
Very good
9,264 reviews

Food

7.4

Entertainment

7.4

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

7.4
Good
11,794 reviews
8.1
Very good
9,264 reviews

Food

7.4

Entertainment

7.4

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

7.3
Good
15,571 reviews
8.1
Very good
9,264 reviews

Food

7.4

Entertainment

7.4

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Excellent price of flight. Prompt takeoff, early arrival. Was kept informed of progress of flight during travel. Courteous, friendly staff.

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 Delta for just $338, but on average you can expect to pay $478.

Are there last-minute flights available from Billings to Ontario for under $1,000?

There are currently 6+ open flights from Billings to Ontario within the next 7 days for less than $1,000.

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

Our cheapest airline available from Billings to Ontario is Delta. Our recent data shows that you can find tickets from as low as $338 on this airline. Additional options worth looking into are Alaska Airlines and United Airlines, starting at $407 and $468 round-trip. These flights start at 32% 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 Delta, with whom users have recently found tickets for as low as $169. However, be on the lookout for offers from United Airlines and Alaska Airlines, as they are both options that can get you from Billings to Ontario for a low price.

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

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!

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 3,314,962 searches. Data last updated February 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$260Average$439FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$330Average$552FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$347Average$510FlexibilityNo cancel feeOn-time71%
Search American Airlines 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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Billings to Ontario?

Cheapflights makes it easy to find Billings to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Billings to Ontario?

Cheapflights simply makes it quick and affordable to book flights from Billings to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Billings to Ontario with no change fees?

Yes, we can. To see specific flights from Billings to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Billings to Ontario become cheaper?

Not ready to book yet? You can track prices for flights from Billings to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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