What’s the cheapest layover airport for flights from Ontario to Baton Rouge?

Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $504.

What’s the top layover airport for flights from Ontario to Baton Rouge?

Houston (IAH) – chosen by Cheapflights users on 50% of 1-stop itineraries from Ontario to Baton Rouge on Cheapflights.

Which airport typically offers the quickest layover for flights from Ontario to Baton Rouge?

Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 26m.

What’s the fastest layover option from Ontario to Baton Rouge?

Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 5h 16m.

How long is the flight from Ontario to Baton Rouge?

Airlines like Delta fly from Ontario to Baton Rouge in about 9h 17m. The time it takes to get you to your destination can typically vary by up to . The distance between Ontario and Baton Rouge is about 1558 mi.

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

Currently priced at $288, United Airlines will fly you from Ontario to Baton Rouge and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $338. Users have found that United Airlines is 37% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in Baton Rouge ranges from 3.4 - 6.0 inches per month. July is typically the wettest month, when rainfall can reach 6.0 in. October is typically the driest time to visit Baton Rouge when rainfall is around 3.4 in.

If weather is an important factor for your trip to Baton Rouge, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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

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

Most trusted provider : When it comes to deals on Ontario-Baton Rouge flights, Cheapflights users trust eDreams the most. eDreams 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 Ontario-Baton Rouge 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 Ontario to Baton Rouge that include hotel bookings?

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

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

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

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

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

$199+ Flights from Ontario to Baton Rouge

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Cheap flight deals from Ontario to Baton Rouge

Cheapest flights from Ontario to Baton Rouge
Explore the most affordable flight options available from Ontario to Baton Rouge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

Wed 12/316:04 amONT - BTR

1 stop7h 43mUnited Airlines

Sun 1/412:11 pmBTR - ONT

2 stops10h 56mUnited Airlines

Deal found 12/25

$665

Best flights from Ontario to Baton Rouge
Discover carefully curated flight deals from Ontario to Baton Rouge that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

Wed 2/410:30 pmONT - BTR

1 stop9h 17mDelta

Tue 2/106:18 amBTR - ONT

1 stop7h 13mDelta

Deal found 12/25

$309

Sat 1/176:00 amONT - BTR

1 stop7h 58mUnited Airlines

Tue 1/203:30 pmBTR - ONT

1 stop8h 29mUnited Airlines

Deal found 12/24

$399

Thu 2/510:30 pmONT - BTR

1 stop9h 17mDelta

Tue 2/106:18 amBTR - ONT

1 stop7h 13mDelta

Deal found 12/25

$353

Thu 2/510:30 pmONT - BTR

1 stop9h 17mDelta

Mon 2/91:37 pmBTR - ONT

1 stop9h 28mDelta

Deal found 12/25

$353

Fri 5/810:59 pmONT - BTR

1 stop8h 40mDelta

Sat 5/94:00 pmBTR - ONT

1 stop8h 09mDelta

Deal found 12/25

$364

Last-minute flights from Ontario to Baton Rouge
Discover last-minute flight deals from Ontario to Baton Rouge. Data last updated December 26, 2025 and is based on user searches.

Wed 12/316:04 amONT - BTR

1 stop7h 43mUnited Airlines

Sun 1/412:11 pmBTR - ONT

2 stops10h 56mUnited Airlines

Deal found 12/25

$665

Fri 1/96:00 amONT - BTR

1 stop5h 17mUnited Airlines

Fri 1/93:30 pmBTR - ONT

1 stop8h 28mUnited Airlines

Deal found 12/24

$761

Sat 1/106:00 amONT - BTR

1 stop5h 17mUnited Airlines

Wed 1/145:15 pmBTR - ONT

1 stop6h 43mUnited Airlines

Deal found 12/25

$522

Fri 1/1610:30 pmONT - BTR

1 stop9h 22mDelta

Wed 1/216:18 amBTR - ONT

1 stop7h 13mDelta

Deal found 12/24

$309

Fri 1/1610:30 pmONT - BTR

1 stop9h 22mDelta

Mon 1/196:18 amBTR - ONT

1 stop7h 13mDelta

Deal found 12/24

$638

Sat 1/176:00 amONT - BTR

1 stop5h 17mUnited Airlines

Tue 1/209:30 amBTR - ONT

2 stops13h 28mUnited Airlines

Deal found 12/24

$314

Sun 1/1812:41 pmONT - BTR

1 stop7h 20mDelta

Wed 1/216:18 amBTR - ONT

1 stop7h 13mDelta

Deal found 12/24

$419

One-way flights from Ontario to Baton Rouge
Search for one-way flight options from Ontario to Baton Rouge. Find affordable one-way fares based on user searches. Data last updated December 26, 2025.

Tue 1/1310:30 pmONT - BTR

1 stop9h 22mDelta

Deal found 12/23

$199

Wed 12/3111:15 amONT - BTR

1 stop6h 33mDelta

Deal found 12/24

$221

Fri 1/1610:30 pmONT - BTR

1 stop9h 22mDelta

Deal found 12/23

$243

Thu 1/296:00 amONT - BTR

1 stop7h 58mUnited Airlines

Deal found 12/24

$244

Wed 12/316:04 amONT - BTR

1 stop5h 03mUnited Airlines

Deal found 12/24

$266

Sun 1/1110:30 pmONT - BTR

1 stop9h 22mDelta

Deal found 12/23

$339

Mon 1/125:07 pmONT - BTR

2 stops14h 45mDelta

Deal found 12/23

$344

Thu 1/155:05 amONT - BTR

2 stops10h 48mUnited Airlines

Deal found 12/23

$350

Wed 1/145:05 amONT - BTR

2 stops14h 27mUnited Airlines

Deal found 12/23

$353

Find flight deals from Ontario to Baton Rouge

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$309 (Delta)
One-way from	$199 (Delta)
Popular in	April
Cheapest in	August
Average price	$504

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

Search Deals

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

Search Deals

From Ontario to Baton Rouge Ryan

Search Deals

One-way flight from Ontario to Baton Rouge Ryan

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($0 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Wed 2/4

10:30 pm-9:47 am

1 stop9h 17m

Baton Rouge Ryan

Tue 2/10

6:18 am-11:31 am

1 stop7h 13m

$309

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Thu 2/5

10:30 pm-9:47 am

1 stop9h 17m

Baton Rouge Ryan

Tue 2/10

6:18 am-11:31 am

1 stop7h 13m

$353

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Thu 2/5

10:30 pm-9:47 am

1 stop9h 17m

Baton Rouge Ryan

Mon 2/9

1:37 pm-9:05 pm

1 stop9h 28m

$353

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Fri 5/8

10:59 pm-9:39 am

1 stop8h 40m

Baton Rouge Ryan

Sat 5/9

4:00 pm-10:09 pm

1 stop8h 09m

$364

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 1/17

6:00 am-3:58 pm

1 stop7h 58m

Baton Rouge Ryan

Tue 1/20

3:30 pm-9:59 pm

1 stop8h 29m

$399

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 1/17

9:59 am-10:56 pm

2 stops10h 57m

$204

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Sat 1/17

5:05 am-5:53 pm

2 stops10h 48m

$204

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Fri 1/16

11:59 pm-10:03 am

1 stop8h 04m

$242

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Wed 4/1

12:50 pm-10:03 pm

1 stop7h 13m

$266

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

Thu 1/1

6:10 am-3:47 pm

1 stop7h 37m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 17 results

Compare providers for flights from Ontario to Baton Rouge

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

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	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 Ontario-Baton Rouge flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Baton Rouge flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Baton Rouge flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Baton Rouge flights, Cheapflights users trust eDreams the most. eDreams 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 Ontario-Baton Rouge 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 Ontario to Baton Rouge

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

Cheapflights Insights

Everything you need to know about your flight from Ontario to Baton Rouge

Prices

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

Currently, August is the cheapest month in which you can book a flight from Ontario to Baton Rouge (average of $78). Flying from Ontario to Baton Rouge in February is currently the most expensive (average of $140). 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.

Reviews of airlines servicing Baton Rouge

See what other customers who have flown with United Airlines and American Airlines from Ontario to Baton Rouge have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,116 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

United Airlines

7.4

Good

9,116 reviews

United Airlines

7.4

Good

9,116 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

American Airlines

7.2

Good

11,068 reviews

United Airlines

7.4

Good

9,116 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Related info for your journey

How long is the flight from Ontario to Baton Rouge?
Airlines like Delta fly from Ontario to Baton Rouge in about 9h 17m. The time it takes to get you to your destination can typically vary by up to . The distance between Ontario and Baton Rouge is about 1558 mi.
What are the cheapest airlines flying from Ontario to Baton Rouge round-trip?
Currently priced at $288, United Airlines will fly you from Ontario to Baton Rouge and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $338. Users have found that United Airlines is 37% cheaper than the other options available to this destination.
Can I find deals for flights from Ontario to Baton Rouge that include hotel bookings?
Yes. In addition to deals on Ontario to Baton Rouge flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Baton Rouge?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Baton Rouge.
Can I find deals for business class flights from Ontario to Baton Rouge?
Yes. Cheapflights offers flight deals from Ontario to Baton Rouge 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 Ontario to Baton Rouge?
Currently, August is the cheapest month in which you can book a flight from Ontario to Baton Rouge (average of $78). Flying from Ontario to Baton Rouge in February is currently the most expensive (average of $140). 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

McComb

Saint Francisville

Denham Springs

Port Allen

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Top 2 airlines flying from Ontario to Baton Rouge

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$294	Average$550	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$338	Average$455	FlexibilityNo cancel fee	On-time71%

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$199+ Cheap flights from Ontario to Baton Rouge (ONT - BTR)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Baton Rouge with Cheapflights

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Cheap flight deals from Ontario to Baton Rouge

Cheapest flights from Ontario to Baton RougeExplore the most affordable flight options available from Ontario to Baton Rouge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

Explore the most affordable flight options available from Ontario to Baton Rouge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

Find flight deals from Ontario to Baton Rouge

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 Ontario to Baton Rouge that are best for you.

Compare providers for flights from Ontario to Baton Rouge

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 Ontario to Baton Rouge in December.

Best time to book a flight from Ontario to Baton Rouge

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

Cheapflights Insights

Everything you need to know about your flight from Ontario to Baton Rouge

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

What’s the top layover airport for flights from Ontario to Baton Rouge?

What’s the cheapest layover airport for flights from Ontario to Baton Rouge?

What’s the fastest layover option from Ontario to Baton Rouge?

Which airport typically offers the quickest layover for flights from Ontario to Baton Rouge?

Reviews of airlines servicing Baton Rouge

See what other customers who have flown with United Airlines and American Airlines from Ontario to Baton Rouge have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Ontario to Baton Rouge?

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

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

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

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

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

Traveling to a place near Baton Rouge?

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Alternative routes for Ontario to Baton Rouge

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Top 2 airlines flying from Ontario to Baton Rouge

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Cheapest flights from Ontario to Baton Rouge
Explore the most affordable flight options available from Ontario to Baton Rouge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.