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$273+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
BTR — ONT
jul. 30 — ago. 61
From?
To?
mar. 7/30
mar. 8/6
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 julio 25, 2024.

Round-trip from

$298
(United Airlines)

One-way from

$273
(KAYAK)
From Baton Rouge Ryan to Ontario
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One-way flight from Baton Rouge Ryan to Ontario
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What is the cheapest day to fly round-trip from Baton Rouge to Ontario?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Ontario. Check prices with Cheapflights to find a great deal for your trip.

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

To save up to 118% on this flight, we recommend booking at least 58 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Baton Rouge to Ontario from $331 1-2 weeks out and tickets from $571 for flights departing within the next 72 hours.

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

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, October can be a great choice for travel to Ontario. Flights to Ontario from Baton Rouge in October are about $406 on average during October, but can be found for as low as $296.

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

One of the essential ways to save on airfare from Baton Rouge to Ontario is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 60% on airfare.

Cheap Baton Rouge to Ontario flights in July & August 2024

Find cheap flight options from Baton Rouge to Ontario specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on julio 25, 2024.
Scroll through some of the best deals on flights from Baton Rouge to Ontario in 2024. Check back regularly for other flight deals.
This United Airlines deal was found by Cheapflights users on 7/24. 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.
mié. 8/215:15 pmBTR - ONT
1 stop6h 16mUnited Airlines
mar. 8/276:00 amONT - BTR
1 stop5h 26mUnited Airlines
Deal found 7/24$298
This Delta deal was found by Cheapflights users on 7/24. 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. 8/153:09 pmBTR - ONT
1 stop9h 48mDelta
mié. 8/216:50 amONT - BTR
1 stop9h 27mDelta
Deal found 7/24$299
This Delta deal was found by Cheapflights users on 7/24. 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.
mié. 8/213:09 pmBTR - ONT
1 stop9h 48mDelta
mar. 8/275:00 pmONT - BTR
2 stops13h 50mDelta
Deal found 7/24$303
This American Airlines deal was found by Cheapflights users on 7/24. 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. 8/2110:21 amBTR - ONT
2 stops10h 06mAmerican Airlines
mar. 8/2712:46 pmONT - BTR
2 stops7h 47mAmerican Airlines
Deal found 7/24$308
This American Airlines deal was found by Cheapflights users on 7/24. 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.
jue. 8/157:56 pmBTR - ONT
1 stop6h 02mAmerican Airlines
mié. 8/219:35 amONT - BTR
2 stops7h 51mAmerican Airlines
Deal found 7/24$394
This United Airlines deal was found by Cheapflights users on 7/24. 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.
dom. 8/115:20 pmBTR - ONT
1 stop5h 51mUnited Airlines
sáb. 8/176:00 amONT - BTR
1 stop7h 53mUnited Airlines
Deal found 7/24$413
This United Airlines deal was found by Cheapflights users on 7/24. 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.
sáb. 8/1012:15 pmBTR - ONT
2 stops12h 30mUnited Airlines
mié. 8/146:00 amONT - BTR
1 stop5h 22mUnited Airlines
Deal found 7/24$418
This Delta deal was found by Cheapflights users on 7/25. 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.
vie. 7/263:08 pmBTR - ONT
1 stop9h 49mDelta
mar. 8/610:00 pmONT - BTR
1 stop8h 50mDelta
Deal found 7/25$463
This Delta deal was found by Cheapflights users on 7/25. 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.
vie. 7/263:08 pmBTR - ONT
2 stops10h 51mDelta
mié. 8/76:50 amONT - BTR
1 stop9h 27mDelta
Deal found 7/25$468

Baton Rouge to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Baton Rouge and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated julio 25, 2024.
Scroll through some of the best deals on flights from Baton Rouge to Ontario in 2024. Check back regularly for other flight deals.
This United Airlines deal was found by Cheapflights users on 7/24. 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.
mié. 8/215:15 pmBTR - ONT
1 stop6h 16mUnited Airlines
mar. 8/276:00 amONT - BTR
1 stop5h 26mUnited Airlines
Deal found 7/24$298
This Delta deal was found by Cheapflights users on 7/24. 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. 8/153:09 pmBTR - ONT
1 stop9h 48mDelta
mié. 8/216:50 amONT - BTR
1 stop9h 27mDelta
Deal found 7/24$299
This Delta deal was found by Cheapflights users on 7/24. 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.
mié. 8/213:09 pmBTR - ONT
1 stop9h 48mDelta
mar. 8/275:00 pmONT - BTR
2 stops13h 50mDelta
Deal found 7/24$303
This American Airlines deal was found by Cheapflights users on 7/24. 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. 8/2110:21 amBTR - ONT
2 stops10h 06mAmerican Airlines
mar. 8/2712:46 pmONT - BTR
2 stops7h 47mAmerican Airlines
Deal found 7/24$308
This American Airlines deal was found by Cheapflights users on 7/24. 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.
jue. 8/157:56 pmBTR - ONT
1 stop6h 02mAmerican Airlines
mié. 8/219:35 amONT - BTR
2 stops7h 51mAmerican Airlines
Deal found 7/24$394
This United Airlines deal was found by Cheapflights users on 7/24. 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.
dom. 8/115:20 pmBTR - ONT
1 stop5h 51mUnited Airlines
sáb. 8/176:00 amONT - BTR
1 stop7h 53mUnited Airlines
Deal found 7/24$413
This United Airlines deal was found by Cheapflights users on 7/24. 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.
sáb. 8/1012:15 pmBTR - ONT
2 stops12h 30mUnited Airlines
mié. 8/146:00 amONT - BTR
1 stop5h 22mUnited Airlines
Deal found 7/24$418
This Delta deal was found by Cheapflights users on 7/25. 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.
vie. 7/263:08 pmBTR - ONT
1 stop9h 49mDelta
mar. 8/610:00 pmONT - BTR
1 stop8h 50mDelta
Deal found 7/25$463
This Delta deal was found by Cheapflights users on 7/25. 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.
vie. 7/263:08 pmBTR - ONT
2 stops10h 51mDelta
mié. 8/76:50 amONT - BTR
1 stop9h 27mDelta
Deal found 7/25$468

One-way flights to Ontario from Baton Rouge

Search for one-way flight options from Baton Rouge to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated julio 25, 2024.
Take a look at some of the one-way flights we've detected from Baton Rouge to Ontario. Users in need of a round-trip flight from Baton Rouge to Ontario instead should update the search form at the top of page.
This KAYAK deal was found by Cheapflights users on 7/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/17:00 pmBTR - ONT
1 stop6h 49mAmerican Airlines
Deal found 7/24$273
This KAYAK deal was found by Cheapflights users on 7/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/13:08 pmBTR - ONT
2 stops10h 51mDelta
Deal found 7/24$301
This United Airlines deal was found by Cheapflights users on 7/23. 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.
vie. 8/95:20 pmBTR - ONT
1 stop6h 06mUnited Airlines
Deal found 7/23$328
This United Airlines deal was found by Cheapflights users on 7/23. 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.
vie. 8/97:30 amBTR - ONT
2 stops11h 58mUnited Airlines
Deal found 7/23$333
This United Airlines deal was found by Cheapflights users on 7/23. 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.
dom. 8/49:45 amBTR - ONT
2 stops9h 43mUnited Airlines
Deal found 7/23$433
This United Airlines deal was found by Cheapflights users on 7/23. 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.
dom. 8/45:20 pmBTR - ONT
1 stop5h 51mUnited Airlines
Deal found 7/23$518

Find flights from Baton Rouge to Ontario within your budget

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 2,752,877 searches. Data last updated julio 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$298 - $767

Route

Depart

Return

Price

Baton Rouge RyanOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

mié. 8/21

1 stop6h 16m

Ontario

mar. 8/27

1 stop5h 26m

$298

Baton Rouge RyanOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

jue. 8/15

1 stop9h 48m

Ontario

mié. 8/21

1 stop9h 27m

$299

Baton Rouge RyanOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

mié. 8/21

1 stop9h 48m

Ontario

mar. 8/27

2 stops13h 50m

$303

Baton Rouge RyanOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

mié. 8/21

2 stops10h 06m

Ontario

mar. 8/27

2 stops7h 47m

$308

Baton Rouge RyanOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

jue. 8/15

1 stop6h 02m

Ontario

mié. 8/21

2 stops7h 51m

$394

Baton Rouge RyanOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

dom. 8/11

1 stop5h 51m

Ontario

sáb. 8/17

1 stop7h 53m

$413

Baton Rouge RyanOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

sáb. 8/10

2 stops12h 30m

Ontario

mié. 8/14

1 stop5h 22m

$418

Baton Rouge RyanOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

jue. 8/29

1 stop5h 57m

Ontario

vie. 8/30

1 stop5h 55m

$493

Baton Rouge RyanOntario

BTR - ONT

BTRONT

Baton Rouge Ryan

sáb. 8/10

2 stops13h 32m

Ontario

mié. 8/14

2 stops15h 27m

$767

Flights are sorted by cheapest first

Deals found on 7/24

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

Use this chart to determine the cheapest time to fly round-trip from Baton Rouge to Ontario. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Baton Rouge to Ontario flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Ontario by month

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

LAX

Temperature

57.2 - 73.4 °F

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 julio 25, 2024.
Peruse reviews from past customers who have flown with United Airlines, Alaska Airlines and Delta from Baton Rouge to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Alaska Airlines
8.1
Very good
9,365 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Delta
8.0
Very good
9,630 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

United Airlines
7.4
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

American Airlines
7.3
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

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.

  • Can I find flights from Baton Rouge to Ontario for under $300 on Cheapflights?

    Yes, there are multiple flights from Baton Rouge to Ontario for under $300. The cheapest flight booked recently is on United Airlines for just $298, but on average you can expect to pay $663.

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

    Flying on United Airlines is currently your cheapest option to Ontario, with prices starting at $298. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $299 and $308, respectively.

  • What are the cheapest airlines to fly from Baton Rouge to Ontario one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $273. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Baton Rouge to Ontario for a low price.

  • What does BTR to ONT mean?

    Great question - BTR to ONT just means Baton Rouge Ryan Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Baton Rouge to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Baton Rouge to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Baton Rouge to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Baton Rouge to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Baton Rouge to Ontario that allow pets onboard?

    Many airlines flying from Baton Rouge to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Baton Rouge to Ontario?

    Yes, you can often find last-minute deals on Baton Rouge to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Baton Rouge to Ontario flight deals updated?

    The Baton Rouge to Ontario flight deals you see on this page were last updated on 7/25.

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

    Currently, October is the cheapest month in which you can book a flight from Baton Rouge to Ontario (average of $237). Flying from Baton Rouge to Ontario in July is currently the most expensive (average of $293). 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
See prices for flight routes from nearby airports that may be better suited for you.

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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 2,752,877 searches. Data last updated julio 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$282Average$368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$365Average$437FlexibilityNo cancel feeOn-time71%
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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.
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