$230 Cheap Flights from Burlington (BTV) to Ontario (ONT)

View $230 flight on Sun, Jan 18, 2026Opens in a new window

Popular airlines from Burlington Intl. Airport (BTV) to Los Angeles - Ontario Intl. Airport (ONT)

Cheap Flights from Burlington to Ontario (BTV-ONT)

Prices were available within the past 7 days and start at $230 for one-way flights and $314 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Mar 9 - Mon, Mar 16
BTV
Burlington
ONT
Ontario
$314 Roundtrip, found 5 days ago
$314
Roundtrip
found 5 days ago
Select United flight, departing Mon, Mar 9 from Burlington to Ontario, returning Mon, Mar 16, priced at $314 found 5 days ago
Delta
Tue, Jan 13 - Wed, Jan 21
BTV
Burlington
ONT
Ontario
$317 Roundtrip, found 1 hour ago
$317
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Jan 13 from Burlington to Ontario, returning Wed, Jan 21, priced at $317 found 1 hour ago
Delta
Tue, Apr 7 - Fri, Apr 17
BTV
Burlington
ONT
Ontario
$323 Roundtrip, found 5 hours ago
$323
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Apr 7 from Burlington to Ontario, returning Fri, Apr 17, priced at $323 found 5 hours ago
Delta
Wed, Jan 21 - Mon, Jan 26
BTV
Burlington
ONT
Ontario
$333 Roundtrip, found 3 days ago
$333
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 21 from Burlington to Ontario, returning Mon, Jan 26, priced at $333 found 3 days ago
American Airlines
Thu, Aug 13 - Mon, Aug 17
BTV
Burlington
ONT
Ontario
$334 Roundtrip, found 7 hours ago
$334
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Aug 13 from Burlington to Ontario, returning Mon, Aug 17, priced at $334 found 7 hours ago
Delta
Tue, Feb 3 - Thu, Feb 19
BTV
Burlington
ONT
Ontario
$339 Roundtrip, found 6 days ago
$339
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Feb 3 from Burlington to Ontario, returning Thu, Feb 19, priced at $339 found 6 days ago
Delta
Tue, Apr 7 - Thu, Apr 16
BTV
Burlington
ONT
Ontario
$343 Roundtrip, found 5 hours ago
$343
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Apr 7 from Burlington to Ontario, returning Thu, Apr 16, priced at $343 found 5 hours ago
American Airlines
Wed, Jan 14 - Sun, Jan 18
BTV
Burlington
ONT
Ontario
$353 Roundtrip, found 4 days ago
$353
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Jan 14 from Burlington to Ontario, returning Sun, Jan 18, priced at $353 found 4 days ago
Delta
Sat, Jan 10 - Fri, Jan 23
BTV
Burlington
ONT
Ontario
$359 Roundtrip, found 3 days ago
$359
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jan 10 from Burlington to Ontario, returning Fri, Jan 23, priced at $359 found 3 days ago
Alaska Airlines
Thu, Aug 13 - Mon, Aug 17
BTV
Burlington
ONT
Ontario
$1,153 Roundtrip, found 7 hours ago
$1,153
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Thu, Aug 13 from Burlington to Ontario, returning Mon, Aug 17, priced at $1,153 found 7 hours ago

Find the cheapest month to fly from Burlington (BTV) to Ontario (ONT)

May is typically the cheapest month to fly

From $284 - $2,441 per traveler.

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Average driving time to city center is 42 minutes. Flights from $1,027
SNA
John Wayne
Average driving time to city center42 min
Flights from $1,027
Flights from Burlington (BTV) to Ontario (ONT)
Origin airport
Burlington Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$314
Distance
2450 mi

Burlington to Ontario Flights

The cheapest times to fly from Burlington to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Burlington to Ontario are during the month of March. You can find some of the cheapest flights from Burlington to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Burlington to Ontario

Sunday is one of the best days to book for cheap flights from Burlington to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Burlington to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Burlington to Ontario in 2026. You can also book with separate airlines for your outbound and return journeys, from $230 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Burlington to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Burlington to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Burlington Intl. Airport (BTV) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Lock in a cheap one-way flight from $230 or cheap return flight from $314 from Burlington Intl. Airport (BTV) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Burlington Intl. Airport (BTV) to Los Angeles - Ontario Intl. Airport (ONT)?
March is the least expensive month to fly from BTV to ONT. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Burlington Intl. Airport (BTV) to Los Angeles - Ontario Intl. Airport (ONT)?
To find the cheapest airline flying from BTV to ONT, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Burlington Intl. Airport (BTV) to Los Angeles - Ontario Intl. Airport (ONT)?
You'll have to catch a flight with a layover when traveling from Burlington Intl. Airport (BTV) to Los Angeles - Ontario Intl. Airport (ONT). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from BTV to ONT?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Burlington Intl. Airport (BTV) to Los Angeles - Ontario Intl. Airport (ONT)?
To land at Los Angeles - Ontario Intl. Airport (ONT) on time, select a flight that leaves from Burlington Intl. Airport (BTV) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Burlington Intl. Airport (BTV) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Booking your ticket from BTV to ONT right before your trip is typically more expensive. But if there's some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a BTV to ONT flight and hotel package?
Compared with arranging flights and hotels separately, booking a BTV to ONT flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Burlington Intl. Airport (BTV) to Los Angeles - Ontario Intl. Airport (ONT)?
Typically, it's possible to reschedule or cancel your BTV to ONT flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.