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$139+ Cheap flights from Baton Rouge to Ontario (BTR - ONT)

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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
BTR — ONT
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
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Cheap flight deals from Baton Rouge to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Baton Rouge (BTR) 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 mayo 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$308
(Delta)

One-way from

$139
(Delta)

Popular in

December

Cheapest in

March

Average price

$343
Provider with most accurate pricing for Baton Rouge Ryan-Ontario flight deals.
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Provider most trusted by Cheapflights users for Baton Rouge Ryan-Ontario flights.
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From Baton Rouge Ryan to Ontario
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One-way flight from Baton Rouge Ryan to Ontario
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Highest demand for flights based on searches. 16% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 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 Baton Rouge to Ontario

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 mayo 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/293:30 pmBTR - ONT
1 stop8h 59mDelta
vie. 5/3010:00 pmONT - BTR
1 stop9h 09mDelta
Deal found 4/30$308
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/14:02 pmBTR - ONT
1 stop7h 35mUnited Airlines
vie. 7/116:00 amONT - BTR
1 stop5h 18mUnited Airlines
Deal found 4/29$373
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/286:23 pmBTR - ONT
1 stop7h 20mAmerican Airlines
mié. 6/42:44 pmONT - BTR
1 stop6h 02mAmerican Airlines
Deal found 4/30$379
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/245:30 amBTR - ONT
2 stops12h 20mAlaska Airlines
sáb. 7/126:51 pmONT - BTR
2 stops13h 22mAlaska Airlines
Deal found 4/29$2,069

Cheapflights Fare Finder

Customize your flight search to find flights from Baton Rouge 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 2,558,603 searches. Data last updated mayo 1, 2025.
Use the filters below to find and compare flights from Baton Rouge to Ontario that are best for you.

Fly from

Baton Rouge

Fly to

Ontario

Route

Depart

Return

Price

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

jue. 5/29

3:30 pm-10:29 pm

1 stop8h 59m

Ontario

vie. 5/30

10:00 pm-9:09 am

1 stop9h 09m

$308

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

mar. 7/1

4:02 pm-9:37 pm

1 stop7h 35m

Ontario

vie. 7/11

6:00 am-1:18 pm

1 stop5h 18m

$373

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

mié. 5/28

6:23 pm-11:43 pm

1 stop7h 20m

Ontario

sáb. 5/31

7:30 am-5:52 pm

1 stop8h 22m

$379

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

sáb. 5/24

5:30 am-3:50 pm

2 stops12h 20m

Ontario

sáb. 7/12

6:51 pm-10:13 am

2 stops13h 22m

$2,069

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

vie. 5/30

3:30 pm-10:29 pm

1 stop8h 59m

$139

Baton RougeOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

lun. 7/21

4:02 pm-9:37 pm

1 stop7h 35m

$242

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 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 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.
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 Baton Rouge to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Baton Rouge to Ontario (average of $246). Flying from Baton Rouge to Ontario in March is currently the most expensive (average of $328). 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.

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

Find hourly flight availability from Baton Rouge to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 1, 2025.

One of the essential ways to save on airfare from Baton Rouge to Ontario is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 6% on airfare.

Rainfall in Ontario by month

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

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.

Temperature in Ontario by month

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

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).

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 mayo 1, 2025.
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

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
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

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
9,968 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

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

Find useful and relevant information for your journey from Baton Rouge to Ontario. 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 Baton Rouge to Ontario round-trip?

    Flying on Delta is currently your cheapest option to Ontario, with prices starting at $308. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $373 and $379, respectively. Delta is 16% 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.

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

    Currently, August is the cheapest month in which you can book a flight from Baton Rouge to Ontario (average of $246). Flying from Baton Rouge to Ontario in March is currently the most expensive (average of $328). 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

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Alternative routes for Baton Rouge to Ontario

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Top 2 airlines flying from Baton Rouge to Ontario

Discover the top 2 airlines that operate flights from Baton Rouge 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 2,558,603 searches. Data last updated mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$282Average$359FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$418FlexibilityNo cancel feeOn-time71%

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