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

Currently priced at $289, Delta will fly you from Ontario to Baton Rouge and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $367 and $373, respectively. Users have found that Delta is 38% cheaper than the other options available to this destination.

What is the cheapest day to fly from Ontario to Baton Rouge?

Travelers seeking maximum savings on their Ontario to Baton Rouge flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

The most popular airlines flying from Ontario to Baton Rouge are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

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

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 112% when planning your travel around this day of the week.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 49 days in advance, which can save you up to 147% on flights from Ontario to Baton Rouge compared to booking the week you need them. Waiting 49 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $378. For sooner than that we have options available in the next 3 days from $488.

What is the cheapest month to fly from Ontario to Baton Rouge?

Flights from Ontario to Baton Rouge lean towards being more expensive in December. Prices are generally better when you fly from Ontario to Baton Rouge in July, with the cheapest ticket starting at $217.

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

It’s optimal to fly from Ontario to Baton Rouge in the afternoon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the morning.

Most accurate provider : When it comes to deals on Ontario-Baton Rouge flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Baton Rouge flight deals on Cheapflights vs. FlightHub >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 Priceline the most. Priceline 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.

$184+ Flights from Ontario to Baton Rouge - Compare & Save Big

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1. Tell us where you want to go

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Cheap flight deals from Ontario to Baton Rouge

Most accurate provider	FlightHub 3 stars
Most trusted provider	Priceline 3 stars
Round-trip from	$289 (Delta)
One-way from	$184 (United Airlines)
Popular in	May
Cheapest in	November
Average price	$662

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

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

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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. 12% potential increase in price ($69 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).

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Average for round-trip flights in May 2025

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Find 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 mayo 12, 2025.

vie. 7/1110:05 pmONT - BTR

1 stop8h 39mDelta

mar. 7/154:40 pmBTR - ONT

1 stop7h 47mDelta

Deal found 5/11

$289

sáb. 5/246:00 amONT - BTR

1 stop7h 22mUnited Airlines

sáb. 5/314:02 pmBTR - ONT

1 stop7h 08mUnited Airlines

Deal found 5/10

$367

jue. 5/296:15 amONT - BTR

1 stop5h 34mAmerican Airlines

dom. 6/15:30 amBTR - ONT

1 stop6h 20mAmerican Airlines

Deal found 5/11

$373

lun. 10/207:25 pmONT - BTR

2 stops12h 31mAlaska Airlines

vie. 10/245:36 amBTR - ONT

2 stops14h 54mAlaska Airlines

Deal found 5/12

$565

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 mayo 12, 2025.

vie. 7/1110:05 pmONT - BTR

1 stop8h 39mDelta

mar. 7/154:40 pmBTR - ONT

1 stop7h 47mDelta

Deal found 5/11

$289

sáb. 5/246:00 amONT - BTR

1 stop7h 22mUnited Airlines

sáb. 5/314:02 pmBTR - ONT

1 stop7h 08mUnited Airlines

Deal found 5/10

$367

jue. 5/296:15 amONT - BTR

1 stop5h 34mAmerican Airlines

dom. 6/15:30 amBTR - ONT

1 stop6h 20mAmerican Airlines

Deal found 5/11

$373

lun. 10/207:25 pmONT - BTR

2 stops12h 31mAlaska Airlines

vie. 10/245:36 amBTR - ONT

2 stops14h 54mAlaska Airlines

Deal found 5/12

$565

Last-minute flights from Ontario to Baton Rouge
Discover last-minute flight deals from Ontario to Baton Rouge. Data last updated mayo 12, 2025 and is based on user searches.

mié. 5/2111:59 pmONT - BTR

1 stop8h 02mAmerican Airlines

mié. 5/282:19 pmBTR - ONT

2 stops9h 38mAmerican Airlines

Deal found 5/10

$384

jue. 5/2212:18 pmONT - BTR

1 stop7h 51mDelta

jue. 5/296:00 amBTR - ONT

1 stop7h 08mDelta

Deal found 5/10

$348

jue. 5/226:00 amONT - BTR

1 stop7h 27mUnited Airlines

vie. 5/304:02 pmBTR - ONT

1 stop7h 08mUnited Airlines

Deal found 5/10

$469

sáb. 5/246:00 amONT - BTR

1 stop7h 22mUnited Airlines

sáb. 5/314:02 pmBTR - ONT

1 stop7h 08mUnited Airlines

Deal found 5/10

$367

jue. 5/296:15 amONT - BTR

1 stop5h 34mAmerican Airlines

dom. 6/15:30 amBTR - ONT

1 stop6h 20mAmerican Airlines

Deal found 5/11

$373

jue. 6/57:30 amONT - BTR

2 stops10h 47mAlaska Airlines

lun. 6/912:15 pmBTR - ONT

2 stops13h 42mAlaska Airlines

Deal found 5/10

$671

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 mayo 12, 2025.

mié. 5/286:00 amONT - BTR

1 stop7h 27mUnited Airlines

Deal found 5/12

$184

mar. 9/1610:59 pmONT - BTR

1 stop8h 37mDelta

Deal found 5/11

$197

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

vie. 7/11

10:05 pm-8:44 am

1 stop8h 39m

Baton Rouge Ryan

mar. 7/15

4:40 pm-10:27 pm

1 stop7h 47m

$289

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

sáb. 5/24

6:00 am-3:22 pm

1 stop7h 22m

Baton Rouge Ryan

sáb. 5/31

4:02 pm-9:10 pm

1 stop7h 08m

$367

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

jue. 5/29

6:15 am-1:49 pm

1 stop5h 34m

Baton Rouge Ryan

dom. 6/1

5:30 am-9:50 am

1 stop6h 20m

$373

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

lun. 10/20

7:25 pm-9:56 am

2 stops12h 31m

Baton Rouge Ryan

vie. 10/24

5:36 am-6:30 pm

2 stops14h 54m

$565

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

mié. 5/28

6:00 am-3:27 pm

1 stop7h 27m

$184

OntarioBaton Rouge

ONT - BTR

ONTBTR

Ontario

mar. 9/16

10:59 pm-9:36 am

1 stop8h 37m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

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 May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Priceline	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 Ontario-Baton Rouge flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Baton Rouge flight deals on Cheapflights vs. FlightHub >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 Priceline the most. Priceline 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

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 $334). Flying from Ontario to Baton Rouge in March is currently the most expensive (average of $455). 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.

Rainfall in Baton Rouge by month

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.

Temperature in Baton Rouge by month

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).

Reviews of airlines servicing Baton Rouge

Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Ontario to Baton Rouge. 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

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,950 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,724 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines flying from Ontario to Baton Rouge round-trip?
Currently priced at $289, Delta will fly you from Ontario to Baton Rouge and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $367 and $373, respectively. Users have found that Delta is 38% 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 $334). Flying from Ontario to Baton Rouge in March is currently the most expensive (average of $455). 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

Denham Springs

Port Allen

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Top 3 airlines flying from Ontario to Baton Rouge

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$276	Average$342	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$283	Average$428	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$288	Average$519	FlexibilityNo cancel fee	On-time71%

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$184+ 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 5/28. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap 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

Find 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 mayo 12, 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 mayo 12, 2025.

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 May.

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?

Rainfall in Baton Rouge by month

Plan your trip to Baton Rouge by taking into account the average rainfall totals by month.

Temperature in Baton Rouge by month

Plan your trip to Baton Rouge by taking into account the average temperature totals by month.

Reviews of airlines servicing Baton Rouge

Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Ontario to Baton Rouge. In addition to providing an overall rating, users have also rated airlines 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.

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 Ontario?

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Top 3 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 mayo 12, 2025.