How long is the flight from Baton Rouge to Ontario?

Airlines like Delta and United Airlines fly from Baton Rouge to Ontario in about 7h 56m. The time it takes to get you to your destination can typically vary by up to 2h 37m. The distance between Baton Rouge and Ontario is about 1558 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What is the cheapest airline to fly from Baton Rouge to Ontario round-trip?

Flying on American Airlines is currently your cheapest option to Ontario, with prices starting at $358. American Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.

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.

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).

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

When flying from Baton Rouge to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Baton Rouge-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baton Rouge-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baton Rouge-Ontario flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Baton Rouge-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 Baton Rouge-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Baton Rouge to Ontario that include hotel bookings?

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

How can I find direct flights from Baton Rouge to Ontario?

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

Can I find deals for business class flights from Baton Rouge to Ontario?

Yes. Cheapflights offers flight deals from Baton Rouge 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.

$212+ Cheap Flights from Baton Rouge to Ontario

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Cheap flight deals from Baton Rouge to Ontario

Cheapest

Best

Last-minute

One-way

Cheapest flights from Baton Rouge to Ontario
Explore the most affordable flight options available from Baton Rouge to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.

Fri 12/45:30 am -

1 stop6h 12m

Sun 12/62:22 pm -

1 stop6h 31m

Deal found 10/26

$379

Fri 12/43:59 pm -

1 stop7h 56m

Sun 12/65:04 pm -

2 stops14h 32m

Deal found 10/26

$384

Tue 11/107:00 am -

2 stops10h 33m

Sat 11/146:00 am -

1 stop5h 17m

Deal found 10/26

$454

Tue 11/103:59 pm -

2 stops9h 50m

Sat 11/145:04 pm -

2 stops14h 35m

Deal found 10/26

$459

Sat 11/144:13 pm -

1 stop7h 27m

Tue 11/176:00 am -

1 stop5h 26m

Deal found 10/22

$499

Fri 11/137:36 pm -

1 stop6h 10m

Fri 11/2010:37 am -

1 stop6h 25m

Deal found 10/23

$513

Best flights from Baton Rouge to Ontario
Discover carefully curated flight deals from Baton Rouge to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.

Fri 12/43:59 pm -

1 stop7h 56m

Sun 12/65:04 pm -

2 stops14h 32m

Deal found 10/26

$384

Tue 11/107:00 am -

2 stops10h 33m

Sat 11/146:00 am -

1 stop5h 17m

Deal found 10/26

$454

Tue 11/103:59 pm -

2 stops9h 50m

Sat 11/145:04 pm -

2 stops14h 35m

Deal found 10/26

$459

Tue 2/94:01 pm -

1 stop8h 14m

Tue 2/236:00 am -

1 stop5h 22m

Deal found 10/22

$499

Sat 11/144:13 pm -

1 stop7h 27m

Tue 11/176:00 am -

1 stop5h 26m

Deal found 10/22

$499

Fri 2/56:06 pm -

1 stop6h 09m

Wed 2/106:00 am -

1 stop7h 20m

Deal found 10/23

$499

Thu 11/262:01 pm -

1 stop7h 41m

Sun 12/65:45 am -

1 stop7h 30m

Deal found 10/26

$499

Last-minute flights from Baton Rouge to Ontario
Discover last-minute flight deals from Baton Rouge to Ontario. Data last updated October 27, 2026 and is based on user searches.

Fri 11/64:13 pm -

1 stop7h 27m

Wed 11/116:00 am -

1 stop7h 38m

Deal found 10/22

$556

Tue 11/107:00 am -

2 stops10h 33m

Sat 11/146:00 am -

1 stop5h 17m

Deal found 10/26

$454

Tue 11/103:59 pm -

2 stops9h 50m

Sat 11/145:04 pm -

2 stops14h 35m

Deal found 10/26

$459

Fri 11/137:36 pm -

1 stop6h 10m

Fri 11/2010:37 am -

1 stop6h 25m

Deal found 10/23

$513

Sat 11/144:13 pm -

1 stop7h 27m

Tue 11/176:00 am -

1 stop5h 26m

Deal found 10/22

$499

One-way flights from Baton Rouge to Ontario
Search for one-way flight options from Baton Rouge to Ontario. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.

Thu 11/197:32 pm -

1 stop6h 27m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/22

$212

Thu 11/266:00 am -

1 stop7h 03m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/26

$214

Thu 11/1912:05 pm -

2 stops10h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/26

$219

Sat 11/219:30 am -

2 stops12h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/22

$276

Fri 11/207:32 pm -

1 stop6h 27m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/22

$334

Sun 11/224:13 pm -

1 stop7h 28m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/22

$341

Wed 2/105:00 am -

2 stops9h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/22

$342

Sun 2/216:02 pm -

1 stop5h 57m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/26

$345

Fri 11/276:00 am -

1 stop7h 03m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/27

$363

Fri 11/205:00 am -

2 stops9h 29m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/26

$400

Find flight deals from Baton Rouge to Ontario

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$379 (American Airlines)
One-way from	$212 (American Airlines)
Popular in	February
Cheapest in	September
Average price	$580

Provider with most accurate pricing for Baton Rouge Ryan-Ontario flight deals.

Search Deals

Provider most trusted by Cheapflights users for Baton Rouge Ryan-Ontario flights.

Search Deals

From Baton Rouge Ryan to Ontario

Search Deals

One-way flight from Baton Rouge Ryan to Ontario

Search Deals

Highest demand for flights based on searches. 32% potential increase in price ($318 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 11% potential price decrease ($68 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baton Rouge to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Baton RougeOntario

BTR Baton Rouge Ryan - ONT Ontario

BTRONT

Baton Rouge Ryan

Sat 11/21

4:13 pm-9:40 pm

1 stop7h 27m

Ontario

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$212

Baton RougeOntario

BTR Baton Rouge Ryan - ONT Ontario

BTRONT

Baton Rouge Ryan

Wed 2/10

5:49 am-9:48 am

1 stop5h 59m

Ontario

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$212

Baton RougeOntario

BTR Baton Rouge Ryan - ONT Ontario

BTRONT

Baton Rouge Ryan

Thu 11/26

6:00 am-6:30 pm

2 stops14h 30m

Ontario

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$219

Baton RougeOntario

BTR Baton Rouge Ryan - ONT Ontario

BTRONT

Baton Rouge Ryan

Thu 11/19

5:00 am-12:29 pm

2 stops9h 29m

Ontario

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$231

Baton RougeOntario

BTR Baton Rouge Ryan - ONT Ontario

BTRONT

Baton Rouge Ryan

Wed 2/10

5:00 am-12:40 pm

2 stops9h 40m

Ontario

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$342

Quickest round-trip

Baton RougeOntario

BTR Baton Rouge Ryan - ONT Ontario

BTRONT

Baton Rouge Ryan

Sun 2/21

6:02 pm-9:59 pm

1 stop5h 57m

Ontario

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$345

Baton RougeOntario

BTR Baton Rouge Ryan - ONT Ontario

BTRONT

Baton Rouge Ryan

Fri 11/27

6:00 am-11:03 am

1 stop7h 03m

Ontario

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$363

Baton RougeOntario

BTR Baton Rouge Ryan - ONT Ontario

BTRONT

Baton Rouge Ryan

Fri 12/4

3:59 pm-9:55 pm

1 stop7h 56m

Ontario

Sun 12/6

5:04 pm-9:36 am

2 stops14h 32m

$384

Baton RougeOntario

BTR Baton Rouge Ryan - ONT Ontario

BTRONT

Baton Rouge Ryan

Fri 12/11

5:00 am-12:34 pm

2 stops9h 34m

Ontario

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$425

Baton RougeOntario

BTR Baton Rouge Ryan - ONT Ontario

BTRONT

Baton Rouge Ryan

Tue 11/10

7:00 am-3:33 pm

2 stops10h 33m

Ontario

Sat 11/14

6:00 am-1:17 pm

1 stop5h 17m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 16 resultsSorted by cheapest first

Compare providers for flights from Baton Rouge to Ontario

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baton Rouge to Ontario in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy2 stars	Trust 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 Baton Rouge-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baton Rouge-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baton Rouge-Ontario flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Baton Rouge-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 Baton Rouge-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 Baton Rouge to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Baton Rouge with our price prediction graph.

BTR-ONT

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.

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown American Airlines from Baton Rouge to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.0

Good

12,187 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

American Airlines

7.0

Good

12,187 reviews

American Airlines

7.0

Good

12,187 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Related info for your journey

How long is the flight from Baton Rouge to Ontario?
Airlines like Delta and United Airlines fly from Baton Rouge to Ontario in about 7h 56m. The time it takes to get you to your destination can typically vary by up to 2h 37m. The distance between Baton Rouge and Ontario is about 1558 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What is the cheapest airline to fly from Baton Rouge to Ontario round-trip?
Flying on American Airlines is currently your cheapest option to Ontario, with prices starting at $358. American Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Baton Rouge to Ontario that include hotel bookings?
Yes. In addition to deals on Baton Rouge to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Baton Rouge to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baton Rouge to Ontario.
Can I find deals for business class flights from Baton Rouge to Ontario?
Yes. Cheapflights offers flight deals from Baton Rouge 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Shreveport to Reno flights

Top airline flying from Baton Rouge to Ontario

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$358	Average$515	FlexibilityNo cancel fee	On-time71%

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$212+ Cheap flights from Baton Rouge to Ontario (BTR - ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Baton Rouge to Ontario with Cheapflights

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Cheap flight deals from Baton Rouge to Ontario

Cheapest flights from Baton Rouge to OntarioExplore the most affordable flight options available from Baton Rouge to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.

Explore the most affordable flight options available from Baton Rouge to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.

Best flights from Baton Rouge to OntarioDiscover carefully curated flight deals from Baton Rouge to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.

Discover carefully curated flight deals from Baton Rouge to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.

Last-minute flights from Baton Rouge to OntarioDiscover last-minute flight deals from Baton Rouge to Ontario. Data last updated October 27, 2026 and is based on user searches.

Discover last-minute flight deals from Baton Rouge to Ontario. Data last updated October 27, 2026 and is based on user searches.

One-way flights from Baton Rouge to OntarioSearch for one-way flight options from Baton Rouge to Ontario. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.

Search for one-way flight options from Baton Rouge to Ontario. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.

Find flight deals from Baton Rouge to Ontario

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baton Rouge to Ontario that are best for you.

Compare providers for flights from Baton Rouge 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 Baton Rouge to Ontario in October.

Best time to book a flight from Baton Rouge to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Baton Rouge with our price prediction graph.

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown American Airlines from Baton Rouge to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Baton Rouge to Ontario?

What is the cheapest airline to fly from Baton Rouge to Ontario round-trip?

Can I find deals for flights from Baton Rouge to Ontario that include hotel bookings?

How can I find direct flights from Baton Rouge to Ontario?

Can I find deals for business class flights from Baton Rouge to Ontario?

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.

Alternative routes for Baton Rouge to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Baton Rouge to Ontario by cabin class

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

Other flights to Ontario

Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 27, 2026.

Baton Rouge and Ontario flights

Browse other Baton Rouge and Ontario flight options. Last updated on October 27, 2026.

Other flights from Baton Rouge

Browse through other flights departing from Baton Rouge. Flights are based on user searches made on Cheapflights and were last updated on October 27, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Baton Rouge to Ontario

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Cheapest flights from Baton Rouge to Ontario
Explore the most affordable flight options available from Baton Rouge to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.

Best flights from Baton Rouge to Ontario
Discover carefully curated flight deals from Baton Rouge to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.

Last-minute flights from Baton Rouge to Ontario
Discover last-minute flight deals from Baton Rouge to Ontario. Data last updated October 27, 2026 and is based on user searches.

One-way flights from Baton Rouge to Ontario
Search for one-way flight options from Baton Rouge to Ontario. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.